first commit

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/bulk-actions/wpml-tf-backend-bulk-actions.php

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+<?php
+
+use WPML\API\Sanitize;
+
+/**
+ * Class WPML_TF_Backend_Bulk_Actions
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_Backend_Bulk_Actions {
+
+	/** @var  WPML_TF_Data_Object_Storage $feedback_storage */
+	private $feedback_storage;
+
+	/** @var WPML_WP_API $wp_api */
+	private $wp_api;
+
+	/** @var  WPML_TF_Backend_Notices $backend_notices */
+	private $backend_notices;
+
+	/**
+	 * WPML_TF_Feedback_List_Bulk_Action_Hooks constructor.
+	 *
+	 * @param WPML_TF_Data_Object_Storage $feedback_storage
+	 * @param WPML_WP_API                 $wp_api
+	 * @param WPML_TF_Backend_Notices     $backend_notices
+	 */
+	public function __construct(
+		WPML_TF_Data_Object_Storage $feedback_storage,
+		WPML_WP_API $wp_api,
+		WPML_TF_Backend_Notices $backend_notices
+	) {
+		$this->feedback_storage = $feedback_storage;
+		$this->wp_api           = $wp_api;
+		$this->backend_notices  = $backend_notices;
+	}
+
+	/**
+	 * Method bulk_action_callback
+	 */
+	public function process() {
+
+		if ( $this->is_valid_request() && current_user_can( 'manage_options' ) ) {
+			$feedback_ids = array_map( 'intval', $_GET['feedback_ids'] );
+			$bulk_action = Sanitize::stringProp( 'bulk_action', $_GET );
+
+			$updated_feedback_ids = $feedback_ids;
+
+			switch ( $bulk_action ) {
+				case 'trash':
+					$this->delete( $feedback_ids );
+					break;
+
+				case 'untrash':
+					$this->untrash( $feedback_ids );
+					break;
+
+				case 'delete':
+					$this->delete( $feedback_ids, true );
+					break;
+
+				default:
+					$updated_feedback_ids = $this->change_status( $feedback_ids, $bulk_action );
+					break;
+			}
+
+			$this->backend_notices->add_bulk_updated_notice( $updated_feedback_ids, $bulk_action );
+			$this->redirect();
+		} else {
+			$this->backend_notices->remove_bulk_updated_notice_after_display();
+		}
+	}
+
+	private function change_status( array $feedback_ids, $new_status ) {
+		$updated_feedback_ids = array();
+
+		foreach ( $feedback_ids as $feedback_id ) {
+			$feedback = $this->feedback_storage->get( $feedback_id );
+
+			if ( $feedback ) {
+				/** @var WPML_TF_Feedback $feedback */
+				$feedback->set_status( $new_status );
+				$updated_feedback_ids[] = $this->feedback_storage->persist( $feedback );
+			}
+		}
+
+		return $updated_feedback_ids;
+	}
+
+	private function delete( array $feedback_ids, $force_delete = false ) {
+		foreach ( $feedback_ids as $feedback_id ) {
+			$this->feedback_storage->delete( $feedback_id, $force_delete );
+		}
+	}
+
+	private function untrash( array $feedback_ids ) {
+		foreach ( $feedback_ids as $feedback_id ) {
+			$this->feedback_storage->untrash( $feedback_id );
+		}
+	}
+
+	/**
+	 * @return bool
+	 */
+	private function is_valid_request() {
+		$is_valid = false;
+
+		if ( isset( $_GET['bulk_action'], $_GET['bulk_action2'] ) ) {
+			if ( '-1' === $_GET['bulk_action'] ) {
+				$_GET['bulk_action'] = $_GET['bulk_action2'];
+			}
+
+			if ( isset( $_GET['nonce'], $_GET['feedback_ids'] ) ) {
+				$is_valid = $this->is_valid_action( $_GET['bulk_action'] )
+							&& wp_verify_nonce( $_GET['nonce'], WPML_TF_Backend_Hooks::PAGE_HOOK );
+			}
+		}
+
+		return $is_valid;
+	}
+
+	private function is_valid_action( $action ) {
+		return in_array( $action, array( 'pending', 'fixed', 'trash', 'untrash', 'delete' ), true );
+	}
+
+	/**
+	 * Redirect after processing the bulk action
+	 */
+	private function redirect() {
+		$args_to_remove = array( 'feedback_ids', 'bulk_action', 'bulk_action2' );
+		$url            = set_url_scheme( 'http://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] );
+		$url            = remove_query_arg( $args_to_remove, $url );
+		$this->wp_api->wp_safe_redirect( $url );
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/cron/actions/wpml-tf-tp-ratings-synchronize.php

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+<?php
+
+/**
+ * Class WPML_TF_TP_Ratings_Synchronize
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_TP_Ratings_Synchronize {
+
+	const MAX_RATINGS_TO_SYNCHRONIZE     = 5;
+	const PENDING_SYNC_RATING_IDS_OPTION = 'wpml_tf_pending_sync_rating_ids';
+	const MAX_ATTEMPTS_TO_SYNC           = 3;
+
+	/** @var WPML_TF_Data_Object_Storage $feedback_storage */
+	private $feedback_storage;
+
+	/** @var WPML_TP_API_TF_Ratings $tp_ratings */
+	private $tp_ratings;
+
+	/** @var array $pending_ids */
+	private $pending_ids;
+
+	/**
+	 * WPML_TF_TP_Ratings_Synchronize constructor.
+	 *
+	 * @param WPML_TF_Data_Object_Storage $feedback_storage
+	 * @param WPML_TP_API_TF_Ratings      $tp_ratings
+	 */
+	public function __construct( WPML_TF_Data_Object_Storage $feedback_storage, WPML_TP_API_TF_Ratings $tp_ratings ) {
+		$this->feedback_storage = $feedback_storage;
+		$this->tp_ratings       = $tp_ratings;
+	}
+
+	/** @param bool $clear_all_pending_ratings */
+	public function run( $clear_all_pending_ratings = false ) {
+		$this->pending_ids = get_option( self::PENDING_SYNC_RATING_IDS_OPTION, array() );
+
+		$filter_args = array(
+			'pending_tp_ratings' => $clear_all_pending_ratings ? -1 : self::MAX_RATINGS_TO_SYNCHRONIZE,
+		);
+
+		$feedback_filter = new WPML_TF_Feedback_Collection_Filter( $filter_args );
+		/** @var WPML_TF_Feedback_Collection $feedback_collection */
+		$feedback_collection = $this->feedback_storage->get_collection( $feedback_filter );
+		$time_threshold      = 5 * MINUTE_IN_SECONDS;
+
+		foreach ( $feedback_collection as $feedback ) {
+			/** @var WPML_TF_Feedback $feedback */
+			$time_since_creation = time() - strtotime( $feedback->get_date_created() );
+
+			if ( ! $clear_all_pending_ratings && $time_since_creation < $time_threshold ) {
+				continue;
+			}
+
+			$tp_rating_id = $this->tp_ratings->send( $feedback );
+
+			if ( $tp_rating_id || $clear_all_pending_ratings ) {
+				$this->set_tp_rating_id( $feedback, $tp_rating_id );
+			} else {
+				$this->handle_pending_rating_sync( $feedback );
+			}
+		}
+
+		if ( $this->pending_ids ) {
+			update_option( self::PENDING_SYNC_RATING_IDS_OPTION, $this->pending_ids, false );
+		} else {
+			delete_option( self::PENDING_SYNC_RATING_IDS_OPTION );
+		}
+	}
+
+	private function set_tp_rating_id( WPML_TF_Feedback $feedback, $tp_rating_id ) {
+		$feedback->get_tp_responses()->set_rating_id( (int) $tp_rating_id );
+		$this->feedback_storage->persist( $feedback );
+	}
+
+	private function handle_pending_rating_sync( WPML_TF_Feedback $feedback ) {
+		$this->increment_attempts( $feedback->get_id() );
+
+		if ( $this->exceeds_max_attempts( $feedback->get_id() ) ) {
+			$this->set_tp_rating_id( $feedback, 0 );
+			unset( $this->pending_ids[ $feedback->get_id() ] );
+		}
+	}
+
+	/**
+	 * @param int $id
+	 *
+	 * @return bool
+	 */
+	private function exceeds_max_attempts( $id ) {
+		return isset( $this->pending_ids[ $id ] ) && $this->pending_ids[ $id ] >= self::MAX_ATTEMPTS_TO_SYNC;
+	}
+
+	/** @param int $id */
+	private function increment_attempts( $id ) {
+		if ( ! isset( $this->pending_ids[ $id ] ) ) {
+			$this->pending_ids[ $id ] = 1;
+		} else {
+			$this->pending_ids[ $id ]++;
+		}
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/cron/wpml-tf-wp-cron-events.php

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+<?php
+
+/**
+ * Class WPML_TF_WP_Cron_Events
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_WP_Cron_Events implements IWPML_Action {
+
+	const SYNCHRONIZE_RATINGS_EVENT = 'wpml_tf_synchronize_ratings_event';
+
+	/** @var WPML_TF_Settings_Read $settings_read */
+	private $settings_read;
+
+	/** @var WPML_TF_Settings $settings */
+	private $settings;
+
+	/** @var WPML_TF_TP_Ratings_Synchronize_Factory $ratings_synchronize_factory */
+	private $ratings_synchronize_factory;
+
+	/**
+	 * WPML_TF_WP_Cron_Events constructor.
+	 *
+	 * @param WPML_TF_Settings_Read                  $settings_read
+	 * @param WPML_TF_TP_Ratings_Synchronize_Factory $ratings_synchronize_factory
+	 */
+	public function __construct(
+		WPML_TF_Settings_Read $settings_read,
+		WPML_TF_TP_Ratings_Synchronize_Factory $ratings_synchronize_factory
+	) {
+		$this->settings_read               = $settings_read;
+		$this->ratings_synchronize_factory = $ratings_synchronize_factory;
+	}
+
+	public function add_hooks() {
+		add_action( 'init', array( $this, 'init_action' ) );
+		add_action( self::SYNCHRONIZE_RATINGS_EVENT, array( $this, 'synchronize_ratings' ) );
+	}
+
+	public function init_action() {
+		if ( $this->get_settings()->is_enabled() ) {
+			$this->add_synchronize_ratings_event();
+		} else {
+			$this->remove_synchronize_ratings_event();
+		}
+	}
+
+	private function add_synchronize_ratings_event() {
+		if ( ! wp_next_scheduled( self::SYNCHRONIZE_RATINGS_EVENT ) ) {
+			wp_schedule_event( time(), 'twicedaily', self::SYNCHRONIZE_RATINGS_EVENT );
+		}
+	}
+
+	private function remove_synchronize_ratings_event() {
+		$timestamp = wp_next_scheduled( self::SYNCHRONIZE_RATINGS_EVENT );
+		wp_unschedule_event( $timestamp, self::SYNCHRONIZE_RATINGS_EVENT );
+	}
+
+	public function synchronize_ratings() {
+		$ratings_synchronize = $this->ratings_synchronize_factory->create();
+		$ratings_synchronize->run();
+	}
+
+	/** @return WPML_TF_Settings */
+	private function get_settings() {
+		if ( ! $this->settings ) {
+			$this->settings = $this->settings_read->get( 'WPML_TF_Settings' );
+		}
+
+		return $this->settings;
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/exceptions/wpml-tf-ajax-exception.php

@@ -0,0 +1,10 @@
+<?php
+
+/**
+ * Class WPML_TF_AJAX_Exception
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_AJAX_Exception extends Exception {
+
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/exceptions/wpml-tf-feedback-update-exception.php

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+<?php
+
+/**
+ * Class WPML_TF_Feedback_Update_Exception
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_Feedback_Update_Exception extends Exception {
+
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/factories/action-loaders/wpml-backend-ajax-feedback-edit-hooks-factory.php

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+<?php
+
+/**
+ * Class WPML_TF_Backend_AJAX_Feedback_Edit_Hooks_Factory
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_Backend_AJAX_Feedback_Edit_Hooks_Factory extends WPML_AJAX_Base_Factory implements IWPML_Backend_Action_Loader {
+
+	const AJAX_ACTION = 'wpml-tf-backend-feedback-edit';
+
+	public function create() {
+		$hooks = null;
+
+		if ( $this->is_valid_action( self::AJAX_ACTION ) ) {
+			$feedback_storage = new WPML_TF_Data_Object_Storage( new WPML_TF_Feedback_Post_Convert() );
+			$message_storage  = new WPML_TF_Data_Object_Storage( new WPML_TF_Message_Post_Convert() );
+
+			$feedback_query = new WPML_TF_Feedback_Query(
+				$feedback_storage,
+				$message_storage,
+				new WPML_TF_Collection_Filter_Factory()
+			);
+
+			$feedback_edit = new WPML_TF_Feedback_Edit(
+				$feedback_query,
+				$feedback_storage,
+				$message_storage,
+				class_exists( 'WPML_TP_Client_Factory' ) ? new WPML_TP_Client_Factory() : null
+			);
+
+			$template_loader = new WPML_Twig_Template_Loader(
+				array( WPML_PLUGIN_PATH . WPML_TF_Backend_Feedback_Row_View::TEMPLATE_FOLDER )
+			);
+			$row_view        = new WPML_TF_Backend_Feedback_Row_View( $template_loader->get_template() );
+
+			$hooks = new WPML_TF_Backend_AJAX_Feedback_Edit_Hooks(
+				$feedback_edit,
+				$row_view,
+				$_POST
+			);
+		}
+
+		return $hooks;
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/factories/action-loaders/wpml-tf-backend-hooks-factory.php

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+<?php
+
+/**
+ * Class WPML_TF_Backend_Hooks_Factory
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_Backend_Hooks_Factory implements IWPML_Backend_Action_Loader {
+
+	/**
+	 * @return WPML_TF_Backend_Hooks
+	 */
+	public function create() {
+		/** @var wpdb $wpdb */
+		global $wpdb;
+
+		return new WPML_TF_Backend_Hooks(
+			new WPML_TF_Backend_Bulk_Actions_Factory(),
+			new WPML_TF_Backend_Feedback_List_View_Factory(),
+			new WPML_TF_Backend_Styles(),
+			new WPML_TF_Backend_Scripts(),
+			$wpdb
+		);
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/factories/action-loaders/wpml-tf-backend-options-ajax-hooks-factory.php

@@ -0,0 +1,35 @@
+<?php
+
+/**
+ * Class WPML_TF_Backend_Options_AJAX_Hooks_Factory
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_Backend_Options_AJAX_Hooks_Factory extends WPML_AJAX_Base_Factory implements IWPML_Backend_Action_Loader {
+
+	const AJAX_ACTION = 'wpml-tf-backend-options';
+
+	/**
+	 * @return IWPML_Action|null
+	 */
+	public function create() {
+		global $sitepress;
+
+		$hooks = null;
+
+		if ( $this->is_valid_action( self::AJAX_ACTION ) ) {
+			$settings_read = new WPML_TF_Settings_Read();
+			/** @var WPML_TF_Settings $tf_settings */
+			$tf_settings = $settings_read->get( 'WPML_TF_Settings' );
+
+			$hooks = new WPML_TF_Backend_Options_AJAX_Hooks(
+				$tf_settings,
+				new WPML_TF_Settings_Write(),
+				new WPML_TF_Promote_Notices( $sitepress ),
+				$_POST
+			);
+		}
+
+		return $hooks;
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/factories/action-loaders/wpml-tf-backend-options-hooks-factory.php

@@ -0,0 +1,49 @@
+<?php
+
+/**
+ * Class WPML_TF_Backend_Options_Hooks_Factory
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_Backend_Options_Hooks_Factory extends WPML_Current_Screen_Loader_Factory {
+
+	/** @return string */
+	protected function get_screen_regex() {
+		return '#' . WPML_PLUGIN_FOLDER . '/menu/languages#';
+	}
+
+	/** @return null|WPML_TF_Backend_Options_Hooks */
+	protected function create_hooks() {
+		/** @var SitePress $sitepress */
+		global $sitepress;
+
+		if ( $sitepress->is_setup_complete() ) {
+			$template_loader = new WPML_Twig_Template_Loader(
+				array( WPML_PLUGIN_PATH . WPML_TF_Backend_Options_View::TEMPLATE_FOLDER )
+			);
+
+			$settings_read = new WPML_TF_Settings_Read();
+			/** @var WPML_TF_Settings $tf_settings */
+			$tf_settings = $settings_read->get( 'WPML_TF_Settings' );
+
+			$options_view = new WPML_TF_Backend_Options_View(
+				$template_loader->get_template(),
+				$tf_settings,
+				$sitepress
+			);
+
+			$translation_service = new WPML_TF_Translation_Service(
+				class_exists( 'WPML_TP_Client_Factory' ) ? new WPML_TP_Client_Factory() : null
+			);
+
+			return new WPML_TF_Backend_Options_Hooks(
+				$options_view,
+				new WPML_TF_Backend_Options_Scripts(),
+				new WPML_TF_Backend_Options_Styles(),
+				$translation_service
+			);
+		}
+
+		return null;
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/factories/action-loaders/wpml-tf-backend-post-list-hooks-factory.php

@@ -0,0 +1,25 @@
+<?php
+
+/**
+ * Class WPML_TF_Backend_Post_List_Hooks_Factory
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_Backend_Post_List_Hooks_Factory extends WPML_Current_Screen_Loader_Factory {
+
+	/** @return string */
+	protected function get_screen_regex() {
+		return '/^edit$/';
+	}
+
+	/** @return WPML_TF_Backend_Post_List_Hooks */
+	protected function create_hooks() {
+		global $wpdb, $sitepress;
+
+		$post_rating_metrics  = new WPML_TF_Post_Rating_Metrics( $wpdb );
+		$document_information = new WPML_TF_Document_Information( $sitepress );
+		$backend_styles       = new WPML_TF_Backend_Styles();
+
+		return new WPML_TF_Backend_Post_List_Hooks( $post_rating_metrics, $document_information, $backend_styles );
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/factories/action-loaders/wpml-tf-backend-promote-hooks-factory.php

@@ -0,0 +1,41 @@
+<?php
+
+/**
+ * Class WPML_TF_Backend_Promote_Hooks_Factory
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_Backend_Promote_Hooks_Factory implements IWPML_Backend_Action_Loader, IWPML_Deferred_Action_Loader {
+
+	/** @return string */
+	public function get_load_action() {
+		return 'wpml_after_tm_loaded';
+	}
+
+	public function create() {
+		/** @var SitePress $sitepress */
+		global $sitepress;
+
+		$hooks = null;
+
+		$settings_read = new WPML_TF_Settings_Read();
+		/** @var WPML_TF_Settings $tf_settings */
+		$tf_settings = $settings_read->get( 'WPML_TF_Settings' );
+
+		if ( ! $tf_settings->is_enabled() ) {
+			$setup_complete = $sitepress->is_setup_complete();
+
+			$translation_service = new WPML_TF_Translation_Service(
+				class_exists( 'WPML_TP_Client_Factory' ) ? new WPML_TP_Client_Factory() : null
+			);
+
+			$hooks = new WPML_TF_Backend_Promote_Hooks(
+				new WPML_TF_Promote_Notices( $sitepress ),
+				$setup_complete,
+				$translation_service
+			);
+		}
+
+		return $hooks;
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/factories/action-loaders/wpml-tf-common-hooks-factory.php

@@ -0,0 +1,17 @@
+<?php
+
+/**
+ * Class WPML_TF_Common_Hooks_Factory
+ * @author OnTheGoSystems
+ */
+class WPML_TF_Common_Hooks_Factory implements IWPML_Backend_Action_Loader, IWPML_Frontend_Action_Loader {
+
+	/**
+	 * @return WPML_TF_Common_Hooks
+	 */
+	public function create() {
+		$feedback_storage = new WPML_TF_Data_Object_Storage( new WPML_TF_Feedback_Post_Convert() );
+
+		return new WPML_TF_Common_Hooks( $feedback_storage );
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/factories/action-loaders/wpml-tf-frontend-ajax-hooks-factory.php

@@ -0,0 +1,32 @@
+<?php
+
+/**
+ * Class WPML_TF_Frontend_AJAX_Hooks_Factory
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_Frontend_AJAX_Hooks_Factory extends WPML_AJAX_Base_Factory {
+
+	const AJAX_ACTION = 'wpml-tf-frontend-feedback';
+
+	/**
+	 * @return IWPML_Action|null
+	 */
+	public function create() {
+		/** @var SitePress $sitepress */
+		/** @var wpdb $wpdb */
+		global $sitepress, $wpdb;
+
+		if ( $this->is_valid_action( self::AJAX_ACTION ) ) {
+			return new WPML_TF_Frontend_AJAX_Hooks(
+				new WPML_TF_Data_Object_Storage( new WPML_TF_Feedback_Post_Convert() ),
+				new WPML_TF_Document_Information( $sitepress ),
+				new WPML_TF_Post_Rating_Metrics( $wpdb ),
+				class_exists( 'WPML_TP_Client_Factory' ) ? new WPML_TP_Client_Factory() : null,
+				$_POST
+			);
+		}
+
+		return null;
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/factories/action-loaders/wpml-tf-frontend-hooks-factory.php

@@ -0,0 +1,102 @@
+<?php
+
+/**
+ * Class WPML_TF_Frontend_Hooks_Factory
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_Frontend_Hooks_Factory implements IWPML_Frontend_Action_Loader, IWPML_Deferred_Action_Loader {
+
+	/** @var  WPML_Queried_Object $queried_object */
+	private $queried_object;
+
+	/** @var WPML_TF_Frontend_Display_Requirements $display_requirements */
+	private $display_requirements;
+
+	/**
+	 * WPML_TF_Frontend_Hooks_Factory constructor.
+	 *
+	 * @param WPML_Queried_Object                   $queried_object
+	 * @param WPML_TF_Frontend_Display_Requirements $display_requirements
+	 */
+	public function __construct(
+		WPML_Queried_Object $queried_object = null,
+		WPML_TF_Frontend_Display_Requirements $display_requirements = null
+	) {
+		$this->queried_object       = $queried_object;
+		$this->display_requirements = $display_requirements;
+	}
+
+	/**
+	 * The frontend hooks must be loaded when the request has been parsed (in "wp")
+	 * to avoid unnecessary instantiation if the current page is not a translation
+	 *
+	 * @return string
+	 */
+	public function get_load_action() {
+		return 'wp';
+	}
+
+	/**
+	 * @return null|WPML_TF_Frontend_Hooks
+	 */
+	public function create() {
+		global $sitepress;
+
+		$hooks = null;
+
+		if ( $this->get_display_requirements()->verify() ) {
+			$template_loader = new WPML_Twig_Template_Loader(
+				array( WPML_PLUGIN_PATH . WPML_TF_Frontend_Feedback_View::TEMPLATE_FOLDER )
+			);
+
+			$template_service = $template_loader->get_template();
+
+			$settings_reader = new WPML_TF_Settings_Read();
+			/** @var WPML_TF_Settings $settings */
+			$settings = $settings_reader->get( 'WPML_TF_Settings' );
+
+			$frontend_feedback_form = new WPML_TF_Frontend_Feedback_View(
+				$template_service,
+				$sitepress,
+				$this->get_queried_object(),
+				$settings
+			);
+
+			$hooks = new WPML_TF_Frontend_Hooks(
+				$frontend_feedback_form,
+				new WPML_TF_Frontend_Scripts(),
+				new WPML_TF_Frontend_Styles()
+			);
+		}
+
+		return $hooks;
+	}
+
+	/**
+	 * @return WPML_Queried_Object
+	 */
+	private function get_queried_object() {
+		global $sitepress;
+
+		if ( ! $this->queried_object ) {
+			$this->queried_object = new WPML_Queried_Object( $sitepress );
+		}
+
+		return $this->queried_object;
+	}
+
+	/**
+	 * @return WPML_TF_Frontend_Display_Requirements
+	 */
+	private function get_display_requirements() {
+		if ( ! $this->display_requirements ) {
+			$settings_read = new WPML_TF_Settings_Read();
+			$settings      = $settings_read->get( 'WPML_TF_Settings' );
+			/** @var WPML_TF_Settings $settings */
+			$this->display_requirements = new WPML_TF_Frontend_Display_Requirements( $this->get_queried_object(), $settings );
+		}
+
+		return $this->display_requirements;
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/factories/action-loaders/wpml-tf-translation-queue-hooks-factory.php

@@ -0,0 +1,20 @@
+<?php
+
+/**
+ * Class WPML_TF_Translation_Queue_Hooks_Factory
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_Translation_Queue_Hooks_Factory extends WPML_Current_Screen_Loader_Factory {
+
+	/** @return string */
+	protected function get_screen_regex() {
+		return '/translations-queue/';
+	}
+
+	/** @return WPML_TF_Translation_Queue_Hooks */
+	protected function create_hooks() {
+		$feedback_storage = new WPML_TF_Data_Object_Storage( new WPML_TF_Feedback_Post_Convert() );
+		return new WPML_TF_Translation_Queue_Hooks( $feedback_storage );
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/factories/action-loaders/wpml-tf-translation-service-change-hooks-factory.php

@@ -0,0 +1,18 @@
+<?php
+
+/**
+ * Class WPML_TF_Translation_Service_Change_Hooks_Factory
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_Translation_Service_Change_Hooks_Factory implements IWPML_Backend_Action_Loader {
+
+	/** @return WPML_TF_Translation_Service_Change_Hooks */
+	public function create() {
+		return new WPML_TF_Translation_Service_Change_Hooks(
+			new WPML_TF_Settings_Read(),
+			new WPML_TF_Settings_Write(),
+			new WPML_TF_TP_Ratings_Synchronize_Factory()
+		);
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/factories/action-loaders/wpml-tf-wp-cron-event-factory.php

@@ -0,0 +1,17 @@
+<?php
+
+/**
+ * Class WPML_TF_Common_Hooks_Factory
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_WP_Cron_Events_Factory implements IWPML_Backend_Action_Loader, IWPML_Frontend_Action_Loader {
+
+	/** @return WPML_TF_WP_Cron_Events */
+	public function create() {
+		return new WPML_TF_WP_Cron_Events(
+			new WPML_TF_Settings_Read(),
+			new WPML_TF_TP_Ratings_Synchronize_Factory()
+		);
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/factories/action-loaders/wpml-tf-xml-rpc-hooks-factory.php

@@ -0,0 +1,17 @@
+<?php
+
+/**
+ * Class WPML_TF_XML_RPC_Hooks_Factory
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_XML_RPC_Hooks_Factory implements IWPML_Frontend_Action_Loader {
+
+	/** @return WPML_TF_XML_RPC_Hooks */
+	public function create() {
+		return new WPML_TF_XML_RPC_Hooks(
+			new WPML_TF_XML_RPC_Feedback_Update_Factory(),
+			new WPML_WP_API()
+		);
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/factories/action-loaders/wpml-tm-tf-ajax-feedback-list-hooks-factory.php

@@ -0,0 +1,14 @@
+<?php
+
+/**
+ * Class WPML_TM_TF_AJAX_Feedback_List_Hooks_Factory
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TM_TF_AJAX_Feedback_List_Hooks_Factory implements IWPML_AJAX_Action_Loader {
+
+	/** @return WPML_TM_TF_Feedback_List_Hooks */
+	public function create() {
+		return new WPML_TM_TF_Feedback_List_Hooks();
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/factories/action-loaders/wpml-tm-tf-feedback-list-hooks-factory.php

@@ -0,0 +1,19 @@
+<?php
+
+/**
+ * Class WPML_TM_TF_Feedback_List_Hooks_Factory
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TM_TF_Feedback_List_Hooks_Factory extends WPML_Current_Screen_Loader_Factory {
+
+	/** @return string */
+	public function get_screen_regex() {
+		return '/wpml-translation-feedback-list/';
+	}
+
+	/** @return WPML_TM_TF_Feedback_List_Hooks */
+	public function create_hooks() {
+		return new WPML_TM_TF_Feedback_List_Hooks();
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/factories/wpml-tf-backend-bulk-actions-factory.php

@@ -0,0 +1,20 @@
+<?php
+
+/**
+ * Class WPML_TF_Backend_Bulk_Actions_Factory
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_Backend_Bulk_Actions_Factory {
+
+	/**
+	 * @return WPML_TF_Backend_Bulk_Actions
+	 */
+	public function create() {
+		return new WPML_TF_Backend_Bulk_Actions(
+			new WPML_TF_Data_Object_Storage( new WPML_TF_Feedback_Post_Convert() ),
+			new WPML_WP_API(),
+			new WPML_TF_Backend_Notices()
+		);
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/factories/wpml-tf-backend-feedback-list-view-factory.php

@@ -0,0 +1,33 @@
+<?php
+
+/**
+ * Class WPML_TF_Backend_Feedback_List_View_Factory
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_Backend_Feedback_List_View_Factory {
+
+	public function create() {
+		/** @var SitePress $sitepress*/
+		global $sitepress;
+
+		$template_loader = new WPML_Twig_Template_Loader(
+			array( WPML_PLUGIN_PATH . WPML_TF_Backend_Feedback_List_View::TEMPLATE_FOLDER )
+		);
+
+		$feedback_query = new WPML_TF_Feedback_Query(
+			new WPML_TF_Data_Object_Storage( new WPML_TF_Feedback_Post_Convert() ),
+			new WPML_TF_Data_Object_Storage( new WPML_TF_Message_Post_Convert() ),
+			new WPML_TF_Collection_Filter_Factory()
+		);
+
+		return new WPML_TF_Backend_Feedback_List_View(
+			$template_loader->get_template(),
+			$feedback_query,
+			new WPML_Admin_Pagination(),
+			new WPML_Admin_Table_Sort(),
+			new WPML_TF_Feedback_Page_Filter( $sitepress, $feedback_query )
+		);
+	}
+
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/factories/wpml-tf-tp-ratings-synchronize-factory.php

@@ -0,0 +1,22 @@
+<?php
+
+/**
+ * Class WPML_TF_TP_Ratings_Synchronize
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_TP_Ratings_Synchronize_Factory {
+
+	/**
+	 * @return WPML_TF_TP_Ratings_Synchronize
+	 */
+	public function create() {
+		$tp_client_factory = new WPML_TP_Client_Factory();
+		$tp_client         = $tp_client_factory->create();
+
+		return new WPML_TF_TP_Ratings_Synchronize(
+			new WPML_TF_Data_Object_Storage( new WPML_TF_Feedback_Post_Convert() ),
+			$tp_client->ratings()
+		);
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/factories/wpml-tf-xml-rpc-feedback-update-factory.php

@@ -0,0 +1,22 @@
+<?php
+
+/**
+ * Class WPML_TF_XML_RPC_Feedback_Update_Factory
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_XML_RPC_Feedback_Update_Factory {
+
+	/** @return WPML_TF_XML_RPC_Feedback_Update */
+	public function create() {
+		global $sitepress;
+
+		$translation_service  = $sitepress->get_setting( 'translation_service' );
+		$translation_projects = $sitepress->get_setting( 'icl_translation_projects' );
+		$tp_project           = new WPML_TP_Project( $translation_service, $translation_projects );
+
+		$feedback_storage = new WPML_TF_Data_Object_Storage( new WPML_TF_Feedback_Post_Convert() );
+
+		return new WPML_TF_XML_RPC_Feedback_Update( $feedback_storage, $tp_project );
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/hooks/wpml-tf-backend-ajax-feedback-edit-hooks.php

@@ -0,0 +1,82 @@
+<?php
+
+/**
+ * Class WPML_TF_Backend_AJAX_Feedback_Edit_Hooks
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_Backend_AJAX_Feedback_Edit_Hooks implements IWPML_Action {
+
+	/** @var WPML_TF_Feedback_Edit $feedback_edit */
+	private $feedback_edit;
+
+	/** @var WPML_TF_Backend_Feedback_Row_View $row_view */
+	private $row_view;
+
+	/** @var array $post_data */
+	private $post_data;
+
+	/**
+	 * WPML_TF_Backend_AJAX_Feedback_Edit_Hooks constructor.
+	 *
+	 * @param WPML_TF_Feedback_Edit             $feedback_edit
+	 * @param WPML_TF_Backend_Feedback_Row_View $row_view
+	 * @param array                             $post_data
+	 */
+	public function __construct(
+		WPML_TF_Feedback_Edit $feedback_edit,
+		WPML_TF_Backend_Feedback_Row_View $row_view,
+		array $post_data
+	) {
+		$this->feedback_edit = $feedback_edit;
+		$this->row_view      = $row_view;
+		$this->post_data     = $post_data;
+	}
+
+	public function add_hooks() {
+		add_action(
+			'wp_ajax_' . WPML_TF_Backend_AJAX_Feedback_Edit_Hooks_Factory::AJAX_ACTION,
+			array( $this, 'edit_feedback_callback' )
+		);
+	}
+
+	public function edit_feedback_callback() {
+		try {
+			$this->check_post_data_key( 'feedback_id' );
+			$feedback_id = filter_var( $this->post_data['feedback_id'], FILTER_SANITIZE_NUMBER_INT );
+			$feedback    = $this->feedback_edit->update( $feedback_id, $this->post_data );
+
+			if ( ! $feedback ) {
+				throw new WPML_TF_AJAX_Exception( esc_html__( 'Failed to update the feedback.', 'sitepress' ) );
+			}
+
+			$response = array(
+				'summary_row' => $this->row_view->render_summary_row( $feedback ),
+				'details_row' => $this->row_view->render_details_row( $feedback ),
+			);
+
+			wp_send_json_success( $response );
+
+		} catch ( WPML_TF_AJAX_Exception $e ) {
+			wp_send_json_error( $e->getMessage() );
+		} catch ( WPML_TF_Feedback_Update_Exception $e ) {
+			wp_send_json_error( $e->getMessage() );
+		}
+	}
+
+	/**
+	 * @param string $key
+	 *
+	 * @throws WPML_TF_AJAX_Exception
+	 */
+	private function check_post_data_key( $key ) {
+		if ( ! isset( $this->post_data[ $key ] ) ) {
+			$message = sprintf(
+				esc_html__( 'Missing key "%s".', 'sitepress' ),
+				$key
+			);
+
+			throw new WPML_TF_AJAX_Exception( $message );
+		}
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/hooks/wpml-tf-backend-hooks.php

@@ -0,0 +1,141 @@
+<?php
+
+/**
+ * Class WPML_TF_Backend_Hooks
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_Backend_Hooks implements IWPML_Action {
+
+	const PAGE_HOOK = 'wpml-translation-feedback-list';
+
+	/** @var WPML_TF_Backend_Bulk_Actions_Factory  */
+	private $bulk_actions_factory;
+
+	/** @var WPML_TF_Backend_Feedback_List_View_Factory feedback_list_view_factory */
+	private $feedback_list_view_factory;
+
+	/** @var  WPML_TF_Backend_Styles $backend_styles */
+	private $backend_styles;
+
+	/** @var WPML_TF_Backend_Scripts */
+	private $backend_scripts;
+
+	/** @var wpdb $wpdb */
+	private $wpdb;
+
+	/**
+	 * WPML_TF_Backend_Hooks constructor.
+	 *
+	 * @param WPML_TF_Backend_Bulk_Actions_Factory       $bulk_actions_factory
+	 * @param WPML_TF_Backend_Feedback_List_View_Factory $feedback_list_view_factory
+	 * @param WPML_TF_Backend_Styles                     $backend_styles
+	 * @param WPML_TF_Backend_Scripts                    $backend_scripts
+	 * @param wpdb                                       $wpdb
+	 */
+	public function __construct(
+		WPML_TF_Backend_Bulk_Actions_Factory $bulk_actions_factory,
+		WPML_TF_Backend_Feedback_List_View_Factory $feedback_list_view_factory,
+		WPML_TF_Backend_Styles $backend_styles,
+		WPML_TF_Backend_Scripts $backend_scripts,
+		wpdb $wpdb
+	) {
+		$this->bulk_actions_factory       = $bulk_actions_factory;
+		$this->feedback_list_view_factory = $feedback_list_view_factory;
+		$this->backend_styles             = $backend_styles;
+		$this->backend_scripts            = $backend_scripts;
+		$this->wpdb                       = $wpdb;
+	}
+
+	/**
+	 * method add_hooks
+	 */
+	public function add_hooks() {
+		add_action( 'wpml_admin_menu_configure', array( $this, 'add_translation_feedback_list_menu' ) );
+		add_action( 'admin_enqueue_scripts', array( $this, 'admin_enqueue_scripts_action' ) );
+		add_action( 'current_screen', array( $this, 'bulk_actions_callback' ) );
+		add_filter( 'posts_where', array( $this, 'maybe_exclude_rating_only_status' ), 10, 2 );
+	}
+
+	/**
+	 * Define translation feedback list menu and callback
+	 *
+	 * @param string $menu_id
+	 */
+	public function add_translation_feedback_list_menu( $menu_id ) {
+		if ( 'WPML' !== $menu_id ) {
+			return;
+		}
+
+		if ( current_user_can( 'manage_options' ) ) {
+			$menu               = array();
+			$menu['order']      = 1200;
+			$menu['page_title'] = __( 'Translation Feedback', 'sitepress' );
+			$menu['menu_title'] = __( 'Translation Feedback', 'sitepress' );
+			$menu['capability'] = 'manage_options';
+			$menu['menu_slug']  = self::PAGE_HOOK;
+			$menu['function']   = array( $this, 'translation_feedback_list_display' );
+
+			do_action( 'wpml_admin_menu_register_item', $menu );
+
+		} else {
+			add_menu_page(
+				__( 'Translation Feedback', 'sitepress' ),
+				__( 'Translation Feedback', 'sitepress' ),
+				'read',
+				self::PAGE_HOOK,
+				array( $this, 'translation_feedback_list_display' )
+			);
+		}
+	}
+
+	/**
+	 * Callback to display the feedback list page
+	 */
+	public function translation_feedback_list_display() {
+		$view = $this->feedback_list_view_factory->create();
+		echo $view->render_page();
+	}
+
+	/**
+	 * @param string $hook
+	 */
+	public function admin_enqueue_scripts_action( $hook ) {
+		if ( $this->is_page_hook( $hook ) ) {
+			$this->backend_styles->enqueue();
+			$this->backend_scripts->enqueue();
+		}
+	}
+
+	public function bulk_actions_callback( $current_screen ) {
+		$hook = isset( $current_screen->id ) ? $current_screen->id : null;
+
+		if ( $this->is_page_hook( $hook ) ) {
+			$bulk_actions = $this->bulk_actions_factory->create();
+			$bulk_actions->process();
+		}
+	}
+
+	/**
+	 * @param string $hook
+	 *
+	 * @return bool
+	 */
+	private function is_page_hook( $hook ) {
+		return strpos( $hook, self::PAGE_HOOK ) !== false;
+	}
+
+	/**
+	 * @param string   $where
+	 * @param WP_Query $query
+	 *
+	 * @return string
+	 */
+	public function maybe_exclude_rating_only_status( $where, $query ) {
+		if ( isset( $query->query_vars['exclude_tf_rating_only'] ) && $query->query_vars['exclude_tf_rating_only'] ) {
+			$where .= " AND {$this->wpdb->posts}.post_status <> 'rating_only'";
+		}
+
+		return $where;
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/hooks/wpml-tf-backend-options-ajax-hooks.php

@@ -0,0 +1,94 @@
+<?php
+
+/**
+ * Class WPML_TF_Backend_Options_AJAX_Hooks
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_Backend_Options_AJAX_Hooks implements IWPML_Action {
+
+	/** @var WPML_TF_Settings $settings */
+	private $settings;
+
+	/** @var WPML_TF_Settings_Write $settings_write */
+	private $settings_write;
+
+	/** @var WPML_TF_Promote_Notices $promote_notices */
+	private $promote_notices;
+
+	/** @var array $post_data */
+	private $post_data;
+
+	/**
+	 * WPML_TF_Frontend_AJAX_Hooks constructor.
+	 *
+	 * @param WPML_TF_Settings        $settings
+	 * @param WPML_TF_Settings_Write  $settings_write
+	 * @param WPML_TF_Promote_Notices $promote_notices
+	 * @param array                   $post_data
+	 */
+	public function __construct(
+		WPML_TF_Settings $settings,
+		WPML_TF_Settings_Write $settings_write,
+		WPML_TF_Promote_Notices $promote_notices,
+		array $post_data
+	) {
+		$this->settings        = $settings;
+		$this->settings_write  = $settings_write;
+		$this->promote_notices = $promote_notices;
+		$this->post_data       = $post_data;
+	}
+
+	public function add_hooks() {
+		add_action( 'wp_ajax_' . WPML_TF_Backend_Options_AJAX_Hooks_Factory::AJAX_ACTION, array( $this, 'save_settings_callback' ) );
+	}
+
+	public function save_settings_callback() {
+		$new_settings = array();
+
+		if ( isset( $this->post_data['settings'] ) ) {
+			parse_str( $this->post_data['settings'], $new_settings );
+		}
+
+		if ( isset( $new_settings['enabled'] ) ) {
+			$this->settings->set_enabled( true );
+			$this->promote_notices->remove();
+		} else {
+			$this->settings->set_enabled( false );
+		}
+
+		if ( isset( $new_settings['button_mode'] ) ) {
+			$this->settings->set_button_mode( $new_settings['button_mode'] );
+		}
+
+		if ( isset( $new_settings['icon_style'] ) ) {
+			$this->settings->set_icon_style( $new_settings['icon_style'] );
+		}
+
+		if ( isset( $new_settings['languages_to'] ) ) {
+			$this->settings->set_languages_to( $new_settings['languages_to'] );
+		} else {
+			$this->settings->set_languages_to( array() );
+		}
+
+		if ( isset( $new_settings['display_mode'] ) ) {
+			$this->settings->set_display_mode( $new_settings['display_mode'] );
+		}
+
+		if ( isset( $new_settings['expiration_mode'] ) ) {
+			$this->settings->set_expiration_mode( $new_settings['expiration_mode'] );
+		}
+
+		if ( isset( $new_settings['expiration_delay_quantity'] ) ) {
+			$this->settings->set_expiration_delay_quantity( $new_settings['expiration_delay_quantity'] );
+		}
+
+		if ( isset( $new_settings['expiration_delay_unit'] ) ) {
+			$this->settings->set_expiration_delay_unit( $new_settings['expiration_delay_unit'] );
+		}
+
+		$this->settings_write->save( $this->settings );
+
+		wp_send_json_success( __( 'Settings saved', 'sitepress' ) );
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/hooks/wpml-tf-backend-options-hooks.php

@@ -0,0 +1,82 @@
+<?php
+
+/**
+ * Class WPML_TF_Backend_Options_Hooks
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_Backend_Options_Hooks implements IWPML_Action {
+
+	const WPML_LOVE_ID = '#lang-sec-10';
+
+	/** @var  WPML_TF_Backend_Options_View $options_view */
+	private $options_view;
+
+	/** @var WPML_TF_Backend_Options_Scripts $scripts */
+	private $scripts;
+
+	/** @var WPML_TF_Backend_Options_Styles $styles */
+	private $styles;
+
+	/** @var WPML_TF_Translation_Service $translation_service */
+	private $translation_service;
+
+	/**
+	 * WPML_TF_Backend_Options_Hooks constructor.
+	 *
+	 * @param WPML_TF_Backend_Options_View    $options_view
+	 * @param WPML_TF_Backend_Options_Scripts $scripts
+	 * @param WPML_TF_Backend_Options_Styles  $styles
+	 * @param WPML_TF_Translation_Service     $translation_service
+	 */
+	public function __construct(
+		WPML_TF_Backend_Options_View $options_view,
+		WPML_TF_Backend_Options_Scripts $scripts,
+		WPML_TF_Backend_Options_Styles $styles,
+		WPML_TF_Translation_Service $translation_service
+	) {
+		$this->options_view        = $options_view;
+		$this->scripts             = $scripts;
+		$this->styles              = $styles;
+		$this->translation_service = $translation_service;
+	}
+
+	/**
+	 * Method add_hooks
+	 */
+	public function add_hooks() {
+		if ( $this->translation_service->allows_translation_feedback() ) {
+			add_action( 'wpml_after_settings', array( $this, 'display_options_ui' ) );
+			add_filter( 'wpml_admin_languages_navigation_items', array( $this, 'insert_navigation_item' ) );
+			add_action( 'admin_enqueue_scripts', array( $this, 'enqueue_scripts_action' ) );
+		}
+	}
+
+	/**
+	 * Method to render the options UI
+	 */
+	public function display_options_ui() {
+		echo $this->options_view->render();
+	}
+
+	/**
+	 * @param array $items
+	 *
+	 * @return mixed
+	 */
+	public function insert_navigation_item( $items ) {
+		$insert_key_index = array_search( self::WPML_LOVE_ID, array_keys( $items ) );
+		$insert_position  = false === $insert_key_index ? count( $items ) : $insert_key_index + 1;
+
+		return array_merge(
+			array_slice( $items, 0, $insert_position ),
+			array( '#wpml-translation-feedback-options' => esc_html__( 'Translation Feedback', 'sitepress' ) ),
+			array_slice( $items, $insert_position )
+		);
+	}
+
+	public function enqueue_scripts_action() {
+		$this->scripts->enqueue();
+		$this->styles->enqueue();
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/hooks/wpml-tf-backend-post-list-hooks.php

@@ -0,0 +1,116 @@
+<?php
+
+/**
+ * Class WPML_TF_Backend_Post_List_Hooks
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_Backend_Post_List_Hooks implements IWPML_Action {
+
+	const RATING_COLUMN_ID = 'translation_rating';
+
+	/** @var WPML_TF_Post_Rating_Metrics $post_rating_metrics*/
+	private $post_rating_metrics;
+
+	/** @var WPML_TF_Document_Information $document_information */
+	private $document_information;
+
+	/** @var WPML_TF_Backend_Styles $styles */
+	private $styles;
+
+	public function __construct(
+		WPML_TF_Post_Rating_Metrics $post_rating_metrics,
+		WPML_TF_Document_Information $document_information,
+		WPML_TF_Backend_Styles $styles
+	) {
+		$this->post_rating_metrics  = $post_rating_metrics;
+		$this->document_information = $document_information;
+		$this->styles               = $styles;
+	}
+
+	/** @return array */
+	private function get_post_types() {
+		return array(
+			'edit-post' => 'posts',
+			'edit-page' => 'pages',
+		);
+	}
+
+	public function add_hooks() {
+		foreach ( $this->get_post_types() as $screen_id => $post_type ) {
+			add_filter( 'manage_' . $post_type . '_columns' , array( $this, 'add_rating_column_header' ) );
+			add_action( 'manage_' . $post_type . '_custom_column', array( $this, 'add_rating_column_content' ), 10, 2 );
+			add_filter( 'manage_' . $screen_id .'_sortable_columns', array( $this, 'add_rating_sortable_column' ) );
+		}
+
+		add_action( 'pre_get_posts', array( $this, 'order_posts_by_rating' ) );
+		add_action( 'admin_enqueue_scripts', array( $this, 'admin_enqueue_scripts_action' ) );
+	}
+
+	/**
+	 * @param array $columns
+	 *
+	 * @return array
+	 */
+	public function add_rating_column_header( array $columns ) {
+		$key_to_insert_before = 'date';
+		$column_name          = __( 'Translation rating', 'sitepress' );
+
+		if ( array_key_exists( $key_to_insert_before, $columns ) ) {
+			$insert_position   = array_search( $key_to_insert_before, array_keys( $columns ) );
+			$columns_before    = array_slice( $columns, 0, $insert_position, true );
+			$columns_to_insert = array( self::RATING_COLUMN_ID => $column_name );
+			$columns_after     = array_slice( $columns, $insert_position, null, true );
+			$columns           = array_merge( $columns_before, $columns_to_insert, $columns_after );
+		} else {
+			$columns[ self::RATING_COLUMN_ID ] = $column_name;
+		}
+
+		return $columns;
+	}
+
+	/**
+	 * @param string $column_name
+	 * @param int    $post_id
+	 */
+	public function add_rating_column_content( $column_name, $post_id ) {
+		if ( self::RATING_COLUMN_ID !== $column_name ) {
+			return;
+		}
+
+		$post_type = get_post_type( $post_id );
+		$this->document_information->init( $post_id, 'post_' . $post_type );
+
+		if ( $this->document_information->get_source_language() ) {
+			echo $this->post_rating_metrics->get_display( $post_id );
+		}
+	}
+
+	/**
+	 * @param array $columns
+	 *
+	 * @return array
+	 */
+	public function add_rating_sortable_column( array $columns ) {
+		$columns[ self::RATING_COLUMN_ID ] = self::RATING_COLUMN_ID;
+		return $columns;
+	}
+
+	public function order_posts_by_rating( WP_Query $query ) {
+		$orderby = $query->get( 'orderby');
+
+		if( self::RATING_COLUMN_ID === $orderby ) {
+			$query->set( 'meta_key', WPML_TF_Post_Rating_Metrics::AVERAGE_KEY );
+			$query->set( 'orderby', 'meta_value_num' );
+			$query->set( 'meta_type', 'NUMERIC' );
+		}
+	}
+
+	public function admin_enqueue_scripts_action() {
+		$current_screen = get_current_screen();
+
+		if ( isset( $current_screen->id ) && array_key_exists( $current_screen->id, $this->get_post_types() ) ) {
+			$this->styles->enqueue();
+		}
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/hooks/wpml-tf-backend-promote-hooks.php

@@ -0,0 +1,59 @@
+<?php
+
+use WPML\FP\Obj;
+
+/**
+ * Class WPML_TF_Backend_Promote_Hooks
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_Backend_Promote_Hooks implements IWPML_Action {
+	/** @var WPML_TF_Promote_Notices $promote_notices */
+	private $promote_notices;
+
+	/** @var WPML_TF_Translation_Service $translation_service */
+	private $translation_service;
+
+	/** @var bool $is_setup_complete */
+	private $is_setup_complete;
+
+	/**
+	 * WPML_TF_Backend_Promote_Hooks constructor.
+	 *
+	 * @param WPML_TF_Promote_Notices          $promote_notices
+	 * @param bool                             $is_setup_complete
+	 * @param WPML_TF_Translation_Service $translation_service
+	 */
+	public function __construct(
+		WPML_TF_Promote_Notices $promote_notices,
+		$is_setup_complete,
+		WPML_TF_Translation_Service $translation_service
+	) {
+		$this->promote_notices     = $promote_notices;
+		$this->is_setup_complete   = $is_setup_complete;
+		$this->translation_service = $translation_service;
+	}
+
+	public function add_hooks() {
+		if ( $this->translation_service->allows_translation_feedback() ) {
+			if ( $this->is_setup_complete && get_option( WPML_Installation::WPML_START_VERSION_KEY )	) {
+				add_action(
+					'wpml_pro_translation_completed',
+					[ $this, 'add_notice_for_manager_on_job_completed' ],
+					10, 3
+				);
+			}
+		}
+	}
+
+	/**
+	 * @param int      $new_post_id
+	 * @param array    $fields
+	 * @param stdClass $job
+	 */
+	public function add_notice_for_manager_on_job_completed( $new_post_id, $fields, $job ) {
+		if ( Obj::prop( 'translation_service', $job ) !== 'local' ) {
+			$this->promote_notices->show_notice_for_new_site( (int) $job->manager_id );
+		}
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/hooks/wpml-tf-common-hooks.php

@@ -0,0 +1,49 @@
+<?php
+
+/**
+ * Class WPML_TF_Common_Hooks
+ * @author OnTheGoSystems
+ */
+class WPML_TF_Common_Hooks implements IWPML_Action {
+
+	/** @var WPML_TF_Data_Object_Storage $feedback_storage */
+	private $feedback_storage;
+
+	public function __construct( WPML_TF_Data_Object_Storage $feedback_storage ) {
+		$this->feedback_storage = $feedback_storage;
+	}
+
+	/**
+	 * method init
+	 */
+	public function add_hooks() {
+		add_action( 'init', array( $this, 'init_action' ) );
+		add_action( 'deleted_post', array( $this, 'cleanup_post_feedback_data' ) );
+	}
+
+	/**
+	 * method init_action
+	 */
+	public function init_action() {
+		register_post_type( WPML_TF_Feedback_Post_Convert::POST_TYPE );
+		register_post_type( WPML_TF_Message_Post_Convert::POST_TYPE );
+	}
+
+	/** @param int $post_id */
+	public function cleanup_post_feedback_data( $post_id ) {
+		if ( WPML_TF_Feedback_Post_Convert::POST_TYPE === get_post_type( $post_id ) ) {
+			return;
+		}
+
+		$args = array(
+			'post_id' => $post_id,
+		);
+
+		$collection_filter   = new WPML_TF_Feedback_Collection_Filter( $args );
+		$feedback_collection = $this->feedback_storage->get_collection( $collection_filter );
+
+		foreach ( $feedback_collection as $feedback ) {
+			$this->feedback_storage->delete( $feedback->get_id(), true );
+		}
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/hooks/wpml-tf-frontend-ajax-hooks.php

@@ -0,0 +1,154 @@
+<?php
+
+/**
+ * Class WPML_TF_Frontend_AJAX_Hooks
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_Frontend_AJAX_Hooks implements IWPML_Action {
+
+	/** @var WPML_TF_Data_Object_Storage $feedback_storage */
+	private $feedback_storage;
+
+	/** @var WPML_TF_Document_Information $document_information */
+	private $document_information;
+
+	/** @var WPML_TF_Post_Rating_Metrics $post_rating_metrics */
+	private $post_rating_metrics;
+
+	/** @var WPML_TP_Client_Factory $tp_client_factory */
+	private $tp_client_factory;
+
+	/** @var WPML_TP_Client $tp_client */
+	private $tp_client;
+
+	private $post_data;
+
+	/**
+	 * WPML_TF_Frontend_AJAX_Hooks constructor.
+	 *
+	 * @param WPML_TF_Data_Object_Storage  $feedback_storage
+	 * @param WPML_TF_Document_Information $document_information
+	 * @param WPML_TF_Post_Rating_Metrics  $post_rating_metrics
+	 * @param WPML_TP_Client_Factory|null  $tp_client_factory
+	 * @param mixed[]|null                 $post_data
+	 */
+	public function __construct(
+		WPML_TF_Data_Object_Storage $feedback_storage,
+		WPML_TF_Document_Information $document_information,
+		WPML_TF_Post_Rating_Metrics $post_rating_metrics,
+		WPML_TP_Client_Factory $tp_client_factory = null,
+		array $post_data = null
+	) {
+		$this->feedback_storage     = $feedback_storage;
+		$this->document_information = $document_information;
+		$this->post_rating_metrics  = $post_rating_metrics;
+		$this->tp_client_factory    = $tp_client_factory;
+		$this->post_data            = $post_data;
+	}
+
+	/**
+	 * method init
+	 */
+	public function add_hooks() {
+		add_action( 'wp_ajax_nopriv_' . WPML_TF_Frontend_AJAX_Hooks_Factory::AJAX_ACTION, array( $this, 'save_feedback_callback' ) );
+		add_action( 'wp_ajax_' . WPML_TF_Frontend_AJAX_Hooks_Factory::AJAX_ACTION, array( $this, 'save_feedback_callback' ) );
+	}
+
+	/**
+	 * Method callback
+	 */
+	public function save_feedback_callback() {
+		$feedback = null;
+
+		if ( isset( $this->post_data['feedback_id'] ) ) {
+			$feedback = $this->update_feedback( $this->post_data['feedback_id'] );
+		} elseif ( isset( $this->post_data['rating'], $this->post_data['document_id'], $this->post_data['document_type'] ) ) {
+			$feedback = $this->create_feedback();
+		}
+
+		if ( $feedback ) {
+			$feedback_id = $this->feedback_storage->persist( $feedback );
+			$this->post_rating_metrics->refresh( $feedback->get_document_id() );
+			wp_send_json_success( array( 'feedback_id' => $feedback_id ) );
+		} else {
+			wp_send_json_error( esc_html__( 'Invalid request!', 'sitepress' ) );
+		}
+	}
+
+	/**
+	 * @param int $feedback_id
+	 *
+	 * @return WPML_TF_Feedback|null|false
+	 */
+	private function update_feedback( $feedback_id ) {
+		$feedback = $this->feedback_storage->get( $feedback_id );
+
+		if ( ! $feedback ) {
+			return false;
+		}
+
+		/** @var WPML_TF_Feedback $feedback */
+		if ( isset( $this->post_data['content'] ) ) {
+			$feedback->set_content( $this->post_data['content'] );
+		}
+
+		if ( isset( $this->post_data['rating'] ) ) {
+			$feedback->set_rating( $this->post_data['rating'] );
+		}
+
+		$feedback->set_status( $this->get_filtered_status() );
+
+		return $feedback;
+	}
+
+	/**
+	 * @return WPML_TF_Feedback
+	 */
+	private function create_feedback() {
+		$this->document_information->init( $this->post_data['document_id'], $this->post_data['document_type'] );
+
+		$args = array(
+			'rating'        => $this->post_data['rating'],
+			'status'        => $this->get_filtered_status(),
+			'document_id'   => $this->post_data['document_id'],
+			'document_type' => $this->post_data['document_type'],
+			'language_from' => $this->document_information->get_source_language(),
+			'language_to'   => $this->document_information->get_language(),
+			'job_id'        => $this->document_information->get_job_id(),
+		);
+
+		if ( $this->document_information->is_local_translation( $args['job_id'] ) ) {
+			$args['tp_rating_id'] = 0;
+		} elseif ( $this->get_tp_client() ) {
+			$active_service = $this->get_tp_client()->services()->get_active();
+
+			if ( isset( $active_service->feedback_forward_method ) ) {
+				$args['feedback_forward_method'] = $active_service->feedback_forward_method;
+			}
+		}
+
+		return new WPML_TF_Feedback( $args );
+	}
+
+	/** @return string */
+	private function get_filtered_status() {
+		$rating = isset( $this->post_data['rating'] ) ? $this->post_data['rating'] : null;
+		$status = 'pending';
+
+		if ( 3 < (int) $rating || empty( $this->post_data['content'] ) ) {
+			$status = 'rating_only';
+		}
+
+		return $status;
+	}
+
+	/** @return null|WPML_TP_Client */
+	private function get_tp_client() {
+		if ( $this->tp_client_factory && ! $this->tp_client ) {
+			$this->tp_client = $this->tp_client_factory->create();
+		}
+
+		return $this->tp_client;
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/hooks/wpml-tf-frontend-hooks.php

@@ -0,0 +1,65 @@
+<?php
+
+/**
+ * Class WPML_TF_Frontend_Hooks
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_Frontend_Hooks implements IWPML_Action {
+
+	/** @var WPML_TF_Frontend_Feedback_View $feedback_view */
+	private $feedback_view;
+
+	/** @var WPML_TF_Frontend_Scripts $scripts */
+	private $scripts;
+
+	/** @var WPML_TF_Frontend_Styles $styles */
+	private $styles;
+
+	/**
+	 * WPML_TF_Frontend_Hooks constructor.
+	 *
+	 * @param WPML_TF_Frontend_Feedback_View $feedback_view
+	 * @param WPML_TF_Frontend_Scripts       $scripts
+	 * @param WPML_TF_Frontend_Styles        $styles
+	 */
+	public function __construct(
+		WPML_TF_Frontend_Feedback_View $feedback_view,
+		WPML_TF_Frontend_Scripts $scripts,
+		WPML_TF_Frontend_Styles $styles
+	) {
+		$this->feedback_view = $feedback_view;
+		$this->scripts       = $scripts;
+		$this->styles        = $styles;
+	}
+
+	/**
+	 * method init
+	 */
+	public function add_hooks() {
+		add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_scripts_action' ) );
+		add_action( 'wp_footer', array( $this, 'render_feedback_form' ) );
+		add_action( 'wpml_tf_feedback_open_link', array( $this, 'render_custom_form_open_link' ) );
+	}
+
+	/**
+	 * method enqueue_scripts_action
+	 */
+	public function enqueue_scripts_action() {
+		$this->scripts->enqueue();
+		$this->styles->enqueue();
+	}
+
+	/**
+	 * method render_feedback_form
+	 */
+	public function render_feedback_form() {
+		echo $this->feedback_view->render_open_button();
+		echo $this->feedback_view->render_form();
+	}
+
+	/** @param string|array $args */
+	public function render_custom_form_open_link( $args ) {
+		echo $this->feedback_view->render_custom_open_link( $args );
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/hooks/wpml-tf-translation-queue-hooks.php

@@ -0,0 +1,49 @@
+<?php
+
+/**
+ * Class WPML_TF_Translation_Queue_Hooks
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_Translation_Queue_Hooks implements IWPML_Action {
+
+	/** @var WPML_TF_Data_Object_Storage $feedback_storage */
+	private $feedback_storage;
+
+	public function __construct( WPML_TF_Data_Object_Storage $feedback_storage ) {
+		$this->feedback_storage = $feedback_storage;
+	}
+
+	public function add_hooks() {
+		add_filter( 'wpml_tm_allowed_translators_for_job', array( $this, 'add_reviewer_to_allowed_translators' ), 10, 2 );
+	}
+
+	public function add_reviewer_to_allowed_translators(
+		array $allowed_translators,
+		WPML_Translation_Job $translation_job
+	) {
+		$current_user_id = get_current_user_id();
+
+		if ( $translation_job->get_translator_id() !== $current_user_id ) {
+
+			$filter_args = array(
+				'reviewer_id' => $current_user_id,
+			);
+
+			$collection_filter   = new WPML_TF_Feedback_Collection_Filter( $filter_args );
+			$feedback_collection = $this->feedback_storage->get_collection( $collection_filter );
+
+			foreach ( $feedback_collection as $feedback ) {
+				/** @var WPML_TF_Feedback $feedback */
+				if ( $feedback->get_job_id() === (int) $translation_job->get_id()
+					 && 'fixed' !== $feedback->get_status()
+				) {
+					$allowed_translators[] = $current_user_id;
+					break;
+				}
+			}
+		}
+
+		return $allowed_translators;
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/hooks/wpml-tf-translation-service-change-hooks.php

@@ -0,0 +1,54 @@
+<?php
+
+/**
+ * Class WPML_TF_Translation_Service_Change_Hooks
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_Translation_Service_Change_Hooks implements IWPML_Action {
+
+	/** @var WPML_TF_Settings_Read $settings_read */
+	private $settings_read;
+
+	/** @var WPML_TF_Settings_Write $settings_write */
+	private $settings_write;
+
+	/** @var WPML_TF_TP_Ratings_Synchronize_Factory $tp_ratings_synchronize_factory */
+	private $tp_ratings_synchronize_factory;
+
+	public function __construct(
+		WPML_TF_Settings_Read $settings_read,
+		WPML_TF_Settings_Write $settings_write,
+		WPML_TF_TP_Ratings_Synchronize_Factory $tp_ratings_synchronize_factory
+	) {
+		$this->settings_read                  = $settings_read;
+		$this->settings_write                 = $settings_write;
+		$this->tp_ratings_synchronize_factory = $tp_ratings_synchronize_factory;
+	}
+
+	public function add_hooks() {
+		add_action(
+			'wpml_tm_before_set_translation_service',
+			array( $this, 'before_set_translation_service_callback' )
+		);
+	}
+
+	public function before_set_translation_service_callback( stdClass $service ) {
+		$this->cleanup_pending_ratings_queue();
+		$this->disable_tf_if_not_allowed_by_ts( $service );
+	}
+
+	private function cleanup_pending_ratings_queue() {
+		$tp_ratings_sync = $this->tp_ratings_synchronize_factory->create();
+		$tp_ratings_sync->run( true );
+	}
+
+	private function disable_tf_if_not_allowed_by_ts( stdClass $service ) {
+		if ( isset( $service->translation_feedback ) && ! $service->translation_feedback ) {
+			/** @var WPML_TF_Settings $settings */
+			$settings = $this->settings_read->get( 'WPML_TF_Settings' );
+			$settings->set_enabled( false );
+			$this->settings_write->save( $settings );
+		}
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/hooks/wpml-tf-xml-rpc-hooks.php

@@ -0,0 +1,45 @@
+<?php
+
+/**
+ * Class WPML_TF_XML_RPC_Hooks
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_XML_RPC_Hooks implements IWPML_Action {
+
+	/** @var WPML_TF_XML_RPC_Feedback_Update_Factory $xml_rpc_feedback_update_factory */
+	private $xml_rpc_feedback_update_factory;
+
+	/** @var WPML_WP_API $wp_api */
+	private $wp_api;
+
+	public function __construct(
+		WPML_TF_XML_RPC_Feedback_Update_Factory $xml_rpc_feedback_update_factory,
+		WPML_WP_API $wp_api
+	) {
+		$this->xml_rpc_feedback_update_factory = $xml_rpc_feedback_update_factory;
+		$this->wp_api                          = $wp_api;
+	}
+
+	public function add_hooks() {
+		if ( $this->wp_api->constant( 'XMLRPC_REQUEST' ) ) {
+			add_filter( 'xmlrpc_methods', array( $this, 'add_tf_xmlrpc_methods' ) );
+		}
+	}
+
+	/**
+	 * @param array $methods
+	 *
+	 * @return array
+	 */
+	public function add_tf_xmlrpc_methods( $methods ) {
+		$methods['translationproxy.update_feedback_status'] = array( $this, 'update_feedback_status' );
+		return $methods;
+	}
+
+	/** @param array $args */
+	public function update_feedback_status( array $args ) {
+		$xml_rpc_feedback_update = $this->xml_rpc_feedback_update_factory->create();
+		$xml_rpc_feedback_update->set_status( $args );
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/hooks/wpml-tm-tf-feedback-list-hooks.php

@@ -0,0 +1,26 @@
+<?php
+
+/**
+ * Class WPML_TM_TF_Feedback_List_Hooks
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TM_TF_Feedback_List_Hooks implements IWPML_Action {
+
+	public function add_hooks() {
+		add_filter( 'wpml_use_tm_editor', array( $this, 'maybe_force_to_use_translation_editor' ) );
+	}
+
+	/**
+	 * @param int|bool $use_translation_editor
+	 *
+	 * @return int|bool
+	 */
+	public function maybe_force_to_use_translation_editor( $use_translation_editor ) {
+		if ( ! current_user_can( 'edit_others_posts' ) ) {
+			$use_translation_editor = true;
+		}
+
+		return $use_translation_editor;
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/model/feedback/wpml-tf-feedback-collection-filter.php

@@ -0,0 +1,183 @@
+<?php
+
+/**
+ * Class WPML_TF_Feedback_Collection_Filter
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_Feedback_Collection_Filter implements IWPML_TF_Collection_Filter {
+
+	/** @var bool $exclude_rating_only */
+	private $exclude_rating_only;
+
+	/** @var array $language_pairs */
+	private $language_pairs;
+
+	/** @var int $pending_tp_ratings */
+	private $pending_tp_ratings;
+
+	/** @var int tp_feedback_id */
+	private $tp_feedback_id;
+
+	/** @var int $post_id */
+	private $post_id;
+
+	/** @var int $reviewer_id */
+	private $reviewer_id;
+
+	/**
+	 * WPML_TF_Feedback_Collection_Filter constructor.
+	 *
+	 * @param array $args
+	 */
+	public function __construct( array $args ) {
+		if ( isset( $args['exclude_rating_only'] ) ) {
+			$this->exclude_rating_only = $args['exclude_rating_only'];
+		}
+
+		if ( isset( $args['language_pairs'] ) ) {
+			$this->language_pairs = $args['language_pairs'];
+		}
+
+		if ( isset( $args['pending_tp_ratings'] ) ) {
+			$this->pending_tp_ratings = (int) $args['pending_tp_ratings'];
+		}
+
+		if ( isset( $args['tp_feedback_id'] ) ) {
+			$this->tp_feedback_id = (int) $args['tp_feedback_id'];
+		}
+
+		if ( isset( $args['post_id'] ) ) {
+			$this->post_id = (int) $args['post_id'];
+		}
+
+		if ( isset( $args['reviewer_id'] ) ) {
+			$this->reviewer_id = (int) $args['reviewer_id'];
+		}
+	}
+
+	/** @return null|bool */
+	private function get_exclude_rating_only() {
+		return $this->exclude_rating_only;
+	}
+
+	/** @return null|array */
+	private function get_language_pairs() {
+		return $this->language_pairs;
+	}
+
+	/** @return null|int */
+	private function get_pending_tp_ratings() {
+		return $this->pending_tp_ratings;
+	}
+
+	/** @return null|int */
+	private function get_tp_feedback_id() {
+		return $this->tp_feedback_id;
+	}
+
+	/** @return null|int */
+	private function get_reviewer_id() {
+		return $this->reviewer_id;
+	}
+
+	/** @return null|int */
+	private function get_post_id() {
+		return $this->post_id;
+	}
+
+	/** @return array */
+	public function get_posts_args() {
+		$args = array(
+			'posts_per_page'   => -1,
+			'post_type'        => WPML_TF_Feedback_Post_Convert::POST_TYPE,
+			'suppress_filters' => false,
+			'post_status'      => array( 'any', 'trash' ),
+		);
+
+		if ( $this->get_exclude_rating_only() ) {
+			$args['exclude_tf_rating_only'] = true;
+		}
+
+		if ( is_array( $this->get_language_pairs() ) ) {
+
+			$meta_query = array(
+				'relation' => 'OR',
+			);
+
+			foreach ( $this->get_language_pairs() as $from => $targets ) {
+
+				foreach ( $targets as $to => $value ) {
+
+					$meta_query[] = array(
+						'relation' => 'AND',
+						array(
+							'key'     => WPML_TF_Data_Object_Storage::META_PREFIX . 'language_from',
+							'value'   => $from,
+							'compare' => '=',
+						),
+						array(
+							'key'     => WPML_TF_Data_Object_Storage::META_PREFIX . 'language_to',
+							'value'   => $to,
+							'compare' => '=',
+						),
+					);
+				}
+			}
+
+			$args['meta_query'] = $meta_query;
+
+		} elseif ( $this->get_pending_tp_ratings() ) {
+			$args['posts_per_page'] = $this->get_pending_tp_ratings();
+			$args['orderby']        = 'ID';
+			$args['order']          = 'ASC';
+			$args['meta_query']     = array(
+				array(
+					'key'     => WPML_TF_Data_Object_Storage::META_PREFIX . 'tp_rating_id',
+					'value'   => '',
+					'compare' => '=',
+					'type'    => 'CHAR',
+				),
+			);
+		} elseif ( $this->get_tp_feedback_id() ) {
+			$args['posts_per_page'] = 1;
+			$args['meta_query']     = array(
+				array(
+					'key'     => WPML_TF_Data_Object_Storage::META_PREFIX . 'tp_feedback_id',
+					'value'   => $this->get_tp_feedback_id(),
+					'compare' => '=',
+				),
+			);
+
+		} elseif ( $this->get_post_id() ) {
+			$args['meta_query'] = array(
+				'relation' => 'AND',
+				array(
+					'key'     => WPML_TF_Data_Object_Storage::META_PREFIX . 'document_id',
+					'value'   => $this->get_post_id(),
+					'compare' => '=',
+				),
+				array(
+					'key'     => WPML_TF_Data_Object_Storage::META_PREFIX . 'document_type',
+					'value'   => 'post_' . get_post_type( $this->get_post_id() ),
+					'compare' => '=',
+				),
+			);
+		} elseif ( $this->get_reviewer_id() ) {
+			$args['meta_query'] = array(
+				array(
+					'key'     => WPML_TF_Data_Object_Storage::META_PREFIX . 'reviewer_id',
+					'value'   => $this->get_reviewer_id(),
+					'compare' => '=',
+				),
+			);
+		}
+
+		return $args;
+	}
+
+	/** @return WPML_TF_Feedback_Collection */
+	public function get_new_collection() {
+		return new WPML_TF_Feedback_Collection();
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/model/feedback/wpml-tf-feedback-collection.php

@@ -0,0 +1,240 @@
+<?php
+
+/**
+ * Class WPML_TF_Feedback_Collection
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_Feedback_Collection extends WPML_TF_Collection {
+
+	private $order;
+	private $filter_value;
+
+	/**
+	 * @param int $offset
+	 * @param int $length
+	 */
+	public function reduce_collection( $offset, $length ) {
+		$this->collection = array_slice( $this->collection, $offset, $length, true );
+	}
+
+	/**
+	 * @param string $property
+	 * @param string $order
+	 */
+	public function sort_collection( $property, $order ) {
+		$this->order = $order;
+		$method      = 'compare_by_' . $property;
+
+		if ( method_exists( $this, $method ) ) {
+			// Use @ to avoid warnings in unit tests => see bug https://bugs.php.net/bug.php?id=50688
+			@uasort( $this->collection, array( $this, $method ) );
+		}
+	}
+
+	/**
+	 * @param WPML_TF_Feedback $a
+	 * @param WPML_TF_Feedback $b
+	 *
+	 * @return mixed
+	 */
+	private function compare_by_pending( WPML_TF_Feedback $a, WPML_TF_Feedback $b ) {
+		if ( $a->is_pending() && ! $b->is_pending() ) {
+			$compare = -1;
+		} elseif ( ! $a->is_pending() && $b->is_pending() ) {
+			$compare = 1;
+		} else {
+			$compare = $this->compare_by_id( $a, $b );
+		}
+
+		return $compare;
+	}
+
+	/**
+	 * @param WPML_TF_Feedback $a
+	 * @param WPML_TF_Feedback $b
+	 *
+	 * @return mixed
+	 */
+	private function compare_by_feedback( WPML_TF_Feedback $a, WPML_TF_Feedback $b ) {
+		if ( 'asc' === $this->order ) {
+			$compare = strcasecmp( $a->get_content(), $b->get_content() );
+		} else {
+			$compare = strcasecmp( $b->get_content(), $a->get_content() );
+		}
+
+		if ( 0 === $compare ) {
+			$compare = $this->compare_by_id( $a, $b );
+		}
+
+		return $compare;
+	}
+
+	/**
+	 * @param WPML_TF_Feedback $a
+	 * @param WPML_TF_Feedback $b
+	 *
+	 * @return mixed
+	 */
+	private function compare_by_rating( WPML_TF_Feedback $a, WPML_TF_Feedback $b ) {
+		if ( 'asc' === $this->order ) {
+			$compare = $a->get_rating() - $b->get_rating();
+		} else {
+			$compare = $b->get_rating() - $a->get_rating();
+		}
+
+		if ( 0 === $compare ) {
+			$compare = $this->compare_by_id( $a, $b );
+		}
+
+		return $compare;
+	}
+
+	/**
+	 * @param WPML_TF_Feedback $a
+	 * @param WPML_TF_Feedback $b
+	 *
+	 * @return mixed
+	 */
+	private function compare_by_status( WPML_TF_Feedback $a, WPML_TF_Feedback $b ) {
+		if ( 'asc' === $this->order ) {
+			$compare = strcmp( $a->get_text_status(), $b->get_text_status() );
+		} else {
+			$compare = strcmp( $b->get_text_status(), $a->get_text_status() );
+		}
+
+		if ( 0 === $compare ) {
+			$compare = $this->compare_by_id( $a, $b );
+		}
+
+		return $compare;
+	}
+
+	/**
+	 * @param WPML_TF_Feedback $a
+	 * @param WPML_TF_Feedback $b
+	 *
+	 * @return mixed
+	 */
+	private function compare_by_document_title( WPML_TF_Feedback $a, WPML_TF_Feedback $b ) {
+		if ( 'asc' === $this->order ) {
+			$compare = strcasecmp( $a->get_document_information()->get_title(), $b->get_document_information()->get_title() );
+		} else {
+			$compare = strcasecmp( $b->get_document_information()->get_title(), $a->get_document_information()->get_title() );
+		}
+
+		if ( 0 === $compare ) {
+			$compare = $this->compare_by_id( $a, $b );
+		}
+
+		return $compare;
+	}
+
+	/**
+	 * @param WPML_TF_Feedback $a
+	 * @param WPML_TF_Feedback $b
+	 *
+	 * @return mixed
+	 */
+	private function compare_by_date( WPML_TF_Feedback $a, WPML_TF_Feedback $b ) {
+		if ( 'asc' === $this->order ) {
+			$compare = strtotime( $a->get_date_created() ) - strtotime( $b->get_date_created() );
+		} else {
+			$compare = strtotime( $b->get_date_created() ) - strtotime( $a->get_date_created() );
+		}
+
+		if ( 0 === $compare ) {
+			$compare = $this->compare_by_id( $a, $b );
+		}
+
+		return $compare;
+	}
+
+	/**
+	 * @param WPML_TF_Feedback $a
+	 * @param WPML_TF_Feedback $b
+	 *
+	 * @return int
+	 */
+	private function compare_by_id( WPML_TF_Feedback $a, WPML_TF_Feedback $b ) {
+		if ( 'asc' === $this->order ) {
+			return $a->get_id() - $b->get_id();
+		} else {
+			return $b->get_id() - $a->get_id();
+		}
+	}
+
+	/**
+	 * @param WPML_TF_Message_Collection $message_collection
+	 */
+	public function link_messages_to_feedback( WPML_TF_Message_Collection $message_collection ) {
+		foreach ( $message_collection as $message ) {
+			if ( array_key_exists( $message->get_feedback_id(), $this->collection ) ) {
+				$this->collection[ $message->get_feedback_id() ]->add_message( $message );
+			}
+		}
+	}
+
+	/**
+	 * @param string $property
+	 * @param string $value
+	 */
+	public function filter_by( $property, $value ) {
+		$this->filter_value = $value;
+		$method             = 'filter_by_' . $property;
+
+		if ( method_exists( $this, $method ) ) {
+			$this->collection = array_filter( $this->collection, array( $this, $method ) );
+		}
+	}
+
+	/**
+	 * @param WPML_TF_Feedback $feedback
+	 *
+	 * @return bool
+	 */
+	private function filter_by_status( WPML_TF_Feedback $feedback ) {
+		if ( $feedback->get_status() === $this->filter_value ) {
+			return true;
+		}
+
+		return false;
+	}
+
+	/**
+	 * @param WPML_TF_Feedback $feedback
+	 *
+	 * @return bool
+	 */
+	private function filter_by_language( WPML_TF_Feedback $feedback ) {
+		if ( $feedback->get_language_to() === $this->filter_value ) {
+			return true;
+		}
+
+		return false;
+	}
+
+	/**
+	 * @param WPML_TF_Feedback $feedback
+	 *
+	 * @return bool
+	 */
+	private function filter_by_post_id( WPML_TF_Feedback $feedback ) {
+		if ( 0 === strpos( $feedback->get_document_type(), 'post_' )
+		     && $feedback->get_document_id() === (int) $this->filter_value
+		) {
+			return true;
+		}
+
+		return false;
+	}
+
+	public function remove_trashed() {
+		foreach ( $this->collection as $id => $feedback ) {
+			/** @var WPML_TF_Feedback $feedback */
+			if ( 'trash' === $feedback->get_status() ) {
+				unset( $this->collection[ $id ] );
+			}
+		}
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/model/feedback/wpml-tf-feedback-factory.php

@@ -0,0 +1,25 @@
+<?php
+
+/**
+ * Class WPML_TF_Feedback_Factory
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_Feedback_Factory {
+
+	/**
+	 * @param array $feedback_data
+	 *
+	 * @return WPML_TF_Feedback
+	 */
+	public function create( array $feedback_data ) {
+		global $sitepress;
+
+		$document_information = new WPML_TF_Backend_Document_Information(
+			$sitepress,
+			class_exists( 'WPML_TP_Client_Factory' ) ? new WPML_TP_Client_Factory() : null
+		);
+
+		return new WPML_TF_Feedback( $feedback_data, $document_information );
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/model/feedback/wpml-tf-feedback-post-convert.php

@@ -0,0 +1,88 @@
+<?php
+
+/**
+ * Class WPML_TF_Feedback_Post_Convert
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_Feedback_Post_Convert extends WPML_TF_Data_Object_Post_Convert {
+
+	const POST_TYPE = 'wpml_tf_feedback';
+
+	/**
+	 * @return array
+	 */
+	public function get_post_fields() {
+		return array(
+			'id'           => 'ID',
+			'date_created' => 'post_date',
+			'content'      => 'post_content',
+			'status'       => 'post_status',
+		);
+	}
+
+	/**
+	 * @return array
+	 */
+	public function get_meta_fields() {
+		return array(
+			'rating',
+			'document_id',
+			'document_type',
+			'language_from',
+			'language_to',
+			'job_id',
+			'reviewer_id',
+			'tp_rating_id',
+			'tp_feedback_id',
+			'feedback_forward_method'
+		);
+	}
+
+	/**
+	 * @param IWPML_TF_Data_Object $feedback
+	 *
+	 * @return array
+	 * @throws Exception
+	 */
+	public function to_post_data( IWPML_TF_Data_Object $feedback ) {
+		if( ! $feedback instanceof WPML_TF_Feedback ) {
+			throw new Exception( 'The $feedback argument must be an instance of WPML_TF_Feedback' );
+		}
+
+		/** @var WPML_TF_Feedback $feedback */
+		$post               = new stdClass();
+		$post->ID           = $feedback->get_id();
+		$post->post_date    = $feedback->get_date_created();
+		$post->post_content = $feedback->get_content();
+		$post->post_status  = $feedback->get_status();
+		$post->post_type    = self::POST_TYPE;
+
+		return array(
+			'post'     => $post,
+			'metadata' => array(
+				'rating'                  => $feedback->get_rating(),
+				'document_id'             => $feedback->get_document_id(),
+				'document_type'           => $feedback->get_document_type(),
+				'language_from'           => $feedback->get_language_from(),
+				'language_to'             => $feedback->get_language_to(),
+				'job_id'                  => $feedback->get_job_id(),
+				'reviewer_id'             => $feedback->get_reviewer()->get_id(),
+				'tp_rating_id'            => $feedback->get_tp_responses()->get_rating_id(),
+				'tp_feedback_id'          => $feedback->get_tp_responses()->get_feedback_id(),
+				'feedback_forward_method' => $feedback->get_tp_responses()->get_feedback_forward_method(),
+			),
+		);
+	}
+
+	/**
+	 * @param array $post_data
+	 *
+	 * @return WPML_TF_Feedback
+	 */
+	public function to_object( array $post_data ) {
+		$feedback_data = $this->build_object_data_for_constructor( $post_data );
+		$feedback_factory = new WPML_TF_Feedback_Factory();
+		return $feedback_factory->create( $feedback_data );
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/model/feedback/wpml-tf-feedback-reviewer.php

@@ -0,0 +1,41 @@
+<?php
+
+/**
+ * @author OnTheGoSystems
+ */
+class WPML_TF_Feedback_Reviewer {
+
+	/** @var int $id WP_User ID */
+	private $id;
+
+	/**
+	 * WPML_TF_Feedback_Reviewer constructor.
+	 *
+	 * @param int $id
+	 */
+	public function __construct( $id ) {
+		$this->id = (int) $id;
+	}
+
+	/**
+	 * @return int|null
+	 */
+	public function get_id() {
+		return $this->id;
+	}
+
+	/**
+	 * @return string
+	 */
+	public function get_reviewer_display_name() {
+		$display_name = __( 'Unknown reviewer', 'sitepress' );
+
+		$reviewer = get_user_by( 'id', $this->get_id() );
+
+		if ( isset( $reviewer->display_name ) ) {
+			$display_name = $reviewer->display_name;
+		}
+
+		return $display_name;
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/model/feedback/wpml-tf-feedback-status.php

@@ -0,0 +1,138 @@
+<?php
+
+/**
+ * Class WPML_TF_Feedback_Status
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_Feedback_Status {
+
+	/** @var string $status */
+	private $status = 'pending';
+
+	/**
+	 * WPML_TF_Feedback_Status constructor.
+	 *
+	 * @param string $status
+	 */
+	public function __construct( $status = null ) {
+		if ( $status ) {
+			$this->set_value( $status );
+		}
+	}
+
+	/** @param string $status*/
+	public function set_value( $status ) {
+		$this->status = sanitize_text_field( $status );
+	}
+
+	/** @return string */
+	public function get_value() {
+		return $this->status;
+	}
+
+	/** @return null|string */
+	public function get_display_text() {
+		switch ( $this->get_value() ) {
+			case 'pending':
+				return __( 'New', 'sitepress' );
+
+			case 'sent_to_translator':
+				if ( $this->is_admin_user() ) {
+					return __( 'Sent to translator', 'sitepress' );
+				}
+
+				return __( 'New', 'sitepress' );
+
+			case 'translator_replied':
+				if ( $this->is_admin_user() ) {
+					return __( 'Translator replied', 'sitepress' );
+				}
+
+				return __( 'Replied', 'sitepress' );
+
+			case 'admin_replied':
+				if ( $this->is_admin_user() ) {
+					return __( 'Sent to translator', 'sitepress' );
+				}
+
+				return __( 'Admin replied', 'sitepress' );
+
+			case 'sent_to_ts_api':
+			case 'sent_to_ts_manual':
+				return __( 'Sent to translation service', 'sitepress' );
+
+			case 'sent_to_ts_email':
+				return __( 'E-mail sent to translation service', 'sitepress' );
+
+			case 'fixed':
+				return __( 'Translation fixed', 'sitepress' );
+
+			case 'publish':
+				return __( 'Approved', 'sitepress' );
+		}
+
+		return null;
+	}
+
+	/** @return bool */
+	private function is_admin_user() {
+		return current_user_can( 'manage_options' );
+	}
+
+	/**
+	 * This is used by the blue button on the feedback list
+	 *
+	 * @return array|null
+	 */
+	public function get_next_status() {
+		if ( $this->is_admin_user() ) {
+			switch ( $this->get_value() ) {
+				case 'pending':
+				case 'sent_to_translator':
+					return array(
+						'value' => 'sent_to_translator',
+						'label' => __( 'Send to translator', 'sitepress' ),
+					);
+
+				case 'translator_replied':
+					return array(
+						'value' => 'admin_replied',
+						'label' => __( 'Reply to translator', 'sitepress' ),
+					);
+
+				case 'admin_replied':
+					return array(
+						'value' => 'admin_replied',
+						'label' => __( 'Send to translator', 'sitepress' ),
+					);
+			}
+		} else {
+			switch ( $this->get_value() ) {
+				case 'sent_to_translator':
+				case 'translator_replied':
+				case 'admin_replied':
+					return array(
+						'value' => 'translator_replied',
+						'label' => __( 'Reply to admin', 'sitepress' ),
+					);
+			}
+		}
+
+		return null;
+	}
+
+	/** @return bool */
+	public function is_pending() {
+		$pending_statuses = array( 'pending' );
+
+		if ( current_user_can( 'manage_options' ) ) {
+			$pending_statuses[] = 'translator_replied';
+		} else {
+			$pending_statuses[] = 'admin_replied';
+			$pending_statuses[] = 'sent_to_translator';
+		}
+
+		return in_array( $this->status, $pending_statuses, true );
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/model/feedback/wpml-tf-feedback.php

@@ -0,0 +1,297 @@
+<?php
+
+/**
+ * Class WPML_TF_Feedback
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_Feedback implements IWPML_TF_Data_Object {
+
+	/** @var int */
+	private $id;
+
+	/** @var  string */
+	private $date_created;
+
+	/** @var WPML_TF_Feedback_Status */
+	private $status;
+
+	/** @var  int */
+	private $rating;
+
+	/** @var  string */
+	private $content;
+
+	/** @var  int */
+	private $document_id;
+
+	/** @var  string */
+	private $document_type;
+
+	/** @var  string */
+	private $language_from;
+
+	/** @var  string */
+	private $language_to;
+
+	/** @var  int|null */
+	private $job_id;
+
+	/** @var WPML_TF_Feedback_Reviewer */
+	private $reviewer;
+
+	/** @var WPML_TF_Collection $messages */
+	private $messages;
+
+	/** @var WPML_TF_Backend_Document_Information $document_information */
+	private $document_information;
+
+	/** @var WPML_TF_TP_Responses $tp_rating_responses */
+	private $tp_responses;
+
+	/**
+	 * WPML_Translation_Feedback constructor.
+	 *
+	 * @param array                                $data
+	 * @param WPML_TF_Backend_Document_Information $document_information
+	 */
+	public function __construct(
+		$data = array(),
+		WPML_TF_Backend_Document_Information $document_information = null
+	) {
+		$this->id            = array_key_exists( 'id', $data ) ? (int) $data['id'] : null;
+		$this->date_created  = array_key_exists( 'date_created', $data )
+			? sanitize_text_field( $data['date_created'] ) : null;
+		$this->rating        = array_key_exists( 'rating', $data ) ? (int) $data['rating'] : null;
+		$this->content       = array_key_exists( 'content', $data )
+			? sanitize_text_field( $data['content'] ) : '';
+		$this->document_id   = array_key_exists( 'document_id', $data ) ? (int) $data['document_id'] : null;
+		$this->document_type = array_key_exists( 'document_type', $data )
+			? sanitize_text_field( $data['document_type'] ) : null;
+		$this->language_from = array_key_exists( 'language_from', $data )
+			? sanitize_text_field( $data['language_from'] ) : null;
+		$this->language_to   = array_key_exists( 'language_to', $data )
+			? sanitize_text_field( $data['language_to'] ) : null;
+		$this->job_id        = array_key_exists( 'job_id', $data ) ? (int) $data['job_id'] : null;
+		$this->messages      = array_key_exists( 'messages', $data ) && $data['messages'] instanceof WPML_TF_Collection
+			? $data['messages'] : new WPML_TF_Message_Collection();
+
+		if ( array_key_exists( 'reviewer_id', $data ) ) {
+			$this->set_reviewer( $data['reviewer_id'] );
+		}
+
+		$this->status = array_key_exists( 'status', $data )
+			? new WPML_TF_Feedback_Status( $data['status'] ) : new WPML_TF_Feedback_Status( 'pending' );
+
+		$this->set_tp_responses( new WPML_TF_TP_Responses( $data ) );
+
+		if ( $document_information ) {
+			$this->set_document_information( $document_information );
+		}
+	}
+
+	/**
+	 * @return int|mixed|null
+	 */
+	public function get_id() {
+		return $this->id;
+	}
+
+	/**
+	 * @return int|null
+	 */
+	public function get_feedback_id() {
+		return $this->id;
+	}
+
+	/**
+	 * @param \WPML_TF_Message $message
+	 */
+	public function add_message( WPML_TF_Message $message ) {
+		$this->messages->add( $message );
+	}
+
+	/**
+	 * @return mixed|null|string
+	 */
+	public function get_date_created() {
+		return $this->date_created;
+	}
+
+	/**
+	 * @return string
+	 */
+	public function get_status() {
+		return $this->status->get_value();
+	}
+
+	/**
+	 * @param string $status
+	 */
+	public function set_status( $status ) {
+		$this->status->set_value( $status );
+	}
+
+	/**
+	 * @return int
+	 */
+	public function get_rating() {
+		return $this->rating;
+	}
+
+	/**
+	 * @param int $rating
+	 */
+	public function set_rating( $rating ) {
+		$this->rating = (int) $rating;
+	}
+
+	/**
+	 * @return mixed|null|string
+	 */
+	public function get_content() {
+		return $this->content;
+	}
+
+	/**
+	 * @param string $content
+	 */
+	public function set_content( $content ) {
+		$this->content = sanitize_text_field( $content );
+	}
+
+	/**
+	 * @return int|null
+	 */
+	public function get_document_id() {
+		return $this->document_id;
+	}
+
+	/**
+	 * @return null|string
+	 */
+	public function get_document_type() {
+		return $this->document_type;
+	}
+
+	/**
+	 * @return null|string
+	 */
+	public function get_language_from() {
+		return $this->language_from;
+	}
+
+	/**
+	 * @return null|string
+	 */
+	public function get_language_to() {
+		return $this->language_to;
+	}
+
+	/**
+	 * @return int|null
+	 */
+	public function get_job_id() {
+		return $this->job_id;
+	}
+
+	/**
+	 * @return WPML_TF_Feedback_Reviewer
+	 */
+	public function get_reviewer() {
+		if ( ! isset( $this->reviewer ) ) {
+			$this->set_reviewer( 0 );
+		}
+
+		return $this->reviewer;
+	}
+
+	/**
+	 * @param int $reviewer_id
+	 */
+	public function set_reviewer( $reviewer_id ) {
+		$this->reviewer = new WPML_TF_Feedback_Reviewer( $reviewer_id );
+	}
+
+	/**
+	 * @return WPML_TF_Collection
+	 */
+	public function get_messages() {
+		return $this->messages;
+	}
+
+	/** @param WPML_TF_TP_Responses $tp_responses */
+	public function set_tp_responses( WPML_TF_TP_Responses $tp_responses ) {
+		$this->tp_responses = $tp_responses;
+	}
+
+	/** @return WPML_TF_TP_Responses */
+	public function get_tp_responses() {
+		return $this->tp_responses;
+	}
+
+	/**
+	 * @return string|null
+	 */
+	public function get_text_status() {
+		return $this->status->get_display_text();
+	}
+
+	/** @return array */
+	public function get_next_status() {
+		return $this->status->get_next_status();
+	}
+
+	/** @return bool */
+	public function is_pending() {
+		return $this->status->is_pending();
+	}
+
+	/**
+	 * @return string
+	 */
+	public function get_document_flag_url() {
+		return $this->document_information->get_flag_url( $this->get_language_to() );
+	}
+
+	/**
+	 * @return string
+	 */
+	public function get_source_document_flag_url() {
+		return $this->document_information->get_flag_url( $this->get_language_from() );
+	}
+
+	/**
+	 * @return bool
+	 */
+	public function is_local_translation() {
+		return $this->document_information->is_local_translation( $this->get_job_id() );
+	}
+
+	/**
+	 * @return string
+	 */
+	public function get_translator_name() {
+		return $this->document_information->get_translator_name( $this->get_job_id() );
+	}
+
+	/**
+	 * @return array
+	 */
+	public function get_available_translators() {
+		return $this->document_information->get_available_translators( $this->language_from, $this->language_to );
+	}
+
+	/**
+	 * @param WPML_TF_Backend_Document_Information $document_information
+	 */
+	public function set_document_information( WPML_TF_Backend_Document_Information $document_information ) {
+		$this->document_information = $document_information;
+		$this->document_information->init( $this->get_document_id(), $this->get_document_type() );
+	}
+
+	/** @return WPML_TF_Backend_Document_Information */
+	public function get_document_information() {
+		return $this->document_information;
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/model/feedback/wpml-tf-tp-responses.php

@@ -0,0 +1,117 @@
+<?php
+
+use WPML\API\Sanitize;
+
+/**
+ * Class WPML_TF_TP_Responses
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_TP_Responses {
+
+	const FEEDBACK_FORWARD_MANUAL  = 'manual';
+	const FEEDBACK_FORWARD_EMAIL   = 'email';
+	const FEEDBACK_FORWARD_API     = 'api';
+	const FEEDBACK_TP_URL_ENDPOINT = '/feedbacks/{feedback_id}/external';
+
+	/**
+	 * @var string|int $tp_rating_id
+	 *
+	 * - empty string for rating never sent (or problems occurred during TP transmission)
+	 * - 0 for local jobs (which does not need to be sent)
+	 * - positive integer for ratings already sent
+	 *
+	 * This will allow to have a shorter DB query to select feedback to be sent
+	 */
+	private $rating_id = '';
+
+	/** @var null|int $feedback_id */
+	private $feedback_id;
+
+	/** @var null|string $feedback_forward_method */
+	private $feedback_forward_method;
+
+	public function __construct( array $args = array() ) {
+		if( isset( $args['tp_rating_id'] ) ) {
+			$this->set_rating_id( $args['tp_rating_id'] );
+		}
+
+		if( isset( $args['tp_feedback_id'] ) ) {
+			$this->set_feedback_id( $args['tp_feedback_id'] );
+		}
+
+		if( isset( $args['feedback_forward_method'] ) ) {
+			$this->set_feedback_forward_method( $args['feedback_forward_method'] );
+		}
+	}
+
+	/** @param string|int $rating_id */
+	public function set_rating_id( $rating_id ) {
+		if ( is_numeric( $rating_id ) ) {
+			$rating_id = (int) $rating_id;
+		}
+
+		$this->rating_id = $rating_id;
+	}
+
+	/** @return string|int */
+	public function get_rating_id() {
+		return $this->rating_id;
+	}
+
+	/** @param int $feedback_id */
+	public function set_feedback_id( $feedback_id ) {
+		$this->feedback_id = (int) $feedback_id;
+	}
+
+	/** @return null|int */
+	public function get_feedback_id() {
+		return $this->feedback_id;
+	}
+
+	/** @param string $method */
+	public function set_feedback_forward_method( $method ) {
+		$this->feedback_forward_method = Sanitize::string( $method );
+	}
+
+	/** @return null|string */
+	public function get_feedback_forward_method() {
+		return $this->feedback_forward_method;
+	}
+
+	/** @return bool */
+	public function is_manual_feedback() {
+		return self::FEEDBACK_FORWARD_MANUAL === $this->feedback_forward_method;
+	}
+
+	/** @return bool */
+	public function is_email_feedback() {
+		return self::FEEDBACK_FORWARD_EMAIL === $this->feedback_forward_method;
+	}
+
+	/** @return bool */
+	public function is_api_feedback() {
+		return self::FEEDBACK_FORWARD_API === $this->feedback_forward_method;
+	}
+
+	/** @return null|string */
+	public function get_feedback_tp_url() {
+		$url = null;
+
+		if ( $this->is_api_feedback() && defined( 'OTG_TRANSLATION_PROXY_URL' ) ) {
+			$url = OTG_TRANSLATION_PROXY_URL . self::FEEDBACK_TP_URL_ENDPOINT;
+			$url = preg_replace( '/{feedback_id}/', $this->get_feedback_id(), $url );
+		}
+
+		return $url;
+	}
+
+	/** @return array */
+	public function get_strings() {
+		return array(
+			'display_for_manual' => __( '%1s cannot receive feedback about the translation automatically. Please log-in to %1s website and report these issues manually.', 'sitepress' ),
+			'display_for_email'  => __( 'An email has been sent to %s to report the issue. Please check your email for a feedback from their part.', 'sitepress' ),
+			'display_for_api'    => __( 'Issue tracking in %s', 'sitepress' ),
+		);
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/model/iwpml-tf-collection-filter.php

@@ -0,0 +1,19 @@
+<?php
+
+/**
+ * Interface IWPML_TF_Collection_Filter
+ *
+ * @author OnTheGoSystems
+ */
+interface IWPML_TF_Collection_Filter {
+
+	/**
+	 * @return array
+	 */
+	public function get_posts_args();
+
+	/**
+	 * @return WPML_TF_Collection
+	 */
+	public function get_new_collection();
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/model/iwpml-tf-data-object.php

@@ -0,0 +1,24 @@
+<?php
+
+/**
+ * Interface IWPML_TF_Data_Object
+ *
+ * @author OnTheGoSystems
+ */
+interface IWPML_TF_Data_Object {
+
+	/**
+	 * @return int
+	 */
+	public function get_id();
+
+	/**
+	 * @return int|null
+	 */
+	public function get_feedback_id();
+
+	/**
+	 * @param \WPML_TF_Message $message
+	 */
+	public function add_message( WPML_TF_Message $message );
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/model/message/wpml-tf-message-collection-filter.php

@@ -0,0 +1,74 @@
+<?php
+
+/**
+ * Class WPML_TF_Message_Collection_Filter
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_Message_Collection_Filter implements IWPML_TF_Collection_Filter {
+
+	/** @var  int $feedback_id */
+	private $feedback_id;
+
+	/** @var  array|null */
+	private $feedback_ids;
+
+	/**
+	 * WPML_TF_Feedback_Collection_Filter constructor.
+	 *
+	 * @param array $args
+	 */
+	public function __construct( array $args = array() ) {
+		if ( isset( $args['feedback_id'] ) ) {
+			$this->feedback_id = (int) $args['feedback_id'];
+		}
+
+		if ( isset( $args['feedback_ids'] ) && is_array( $args['feedback_ids'] ) ) {
+			$this->feedback_ids = $args['feedback_ids'];
+		}
+	}
+
+	/**
+	 * @return int|null
+	 */
+	private function get_feedback_id() {
+		return $this->feedback_id;
+	}
+
+
+	/**
+	 * @return array|null
+	 */
+	private function get_feedback_ids() {
+		return $this->feedback_ids;
+	}
+
+	/**
+	 * @return array
+	 */
+	public function get_posts_args() {
+		$posts_args = array(
+			'posts_per_page'   => -1,
+			'post_type'        => WPML_TF_Message_Post_Convert::POST_TYPE,
+			'suppress_filters' => false,
+			'post_status'      => 'any',
+		);
+
+		if ( $this->get_feedback_id() ) {
+			$posts_args['post_parent'] = $this->get_feedback_id();
+		}
+
+		if ( $this->get_feedback_ids() ) {
+			$posts_args['post_parent__in'] = $this->get_feedback_ids();
+		}
+
+		return $posts_args;
+	}
+
+	/**
+	 * @return WPML_TF_Message_Collection
+	 */
+	public function get_new_collection() {
+		return new WPML_TF_Message_Collection();
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/model/message/wpml-tf-message-collection.php

@@ -0,0 +1,10 @@
+<?php
+
+/**
+ * Class WPML_TF_Message_Collection
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_Message_Collection extends WPML_TF_Collection {
+
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/model/message/wpml-tf-message-post-convert.php

@@ -0,0 +1,69 @@
+<?php
+
+/**
+ * Class WPML_TF_Message_Post_Convert
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_Message_Post_Convert extends WPML_TF_Data_Object_Post_Convert {
+
+	const POST_TYPE = 'wpml_tf_message';
+
+	/**
+	 * @return array
+	 */
+	public function get_post_fields() {
+		return array(
+			'id'           => 'ID',
+			'date_created' => 'post_date',
+			'content'      => 'post_content',
+			'feedback_id'  => 'post_parent',
+		);
+	}
+
+	/**
+	 * @return array
+	 */
+	public function get_meta_fields() {
+		return array(
+			'author_id',
+		);
+	}
+
+	/**
+	 * @param IWPML_TF_Data_Object $message
+	 *
+	 * @return array
+	 * @throws Exception
+	 */
+	public function to_post_data( IWPML_TF_Data_Object $message ) {
+		if( ! $message instanceof WPML_TF_Message ) {
+			throw new Exception( 'The $message argument must be an instance of WPML_TF_Message' );
+		}
+
+		/** @var WPML_TF_Message $message */
+		$post               = new stdClass();
+		$post->ID           = $message->get_id();
+		$post->post_date    = $message->get_date_created();
+		$post->post_content = $message->get_content();
+		$post->post_parent  = $message->get_feedback_id();
+		$post->post_type    = self::POST_TYPE;
+
+		return array(
+			'post'     => $post,
+			'metadata' => array(
+				'author_id' => $message->get_author_id(),
+			),
+		);
+	}
+
+	/**
+	 * @param array $post_data
+	 *
+	 * @return WPML_TF_Message
+	 */
+	public function to_object( array $post_data ) {
+		$message_data = $this->build_object_data_for_constructor( $post_data );
+		return new WPML_TF_Message( $message_data );
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/model/message/wpml-tf-message.php

@@ -0,0 +1,99 @@
+<?php
+
+/**
+ * Class WPML_TF_Message
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_Message implements IWPML_TF_Data_Object {
+
+	/** @var int $id */
+	private $id;
+
+	/** @var  int $feedback_id */
+	private $feedback_id;
+
+	/** @var  string $date_created */
+	private $date_created;
+
+	/** @var  string $content */
+	private $content;
+
+	/** @var  string $author_id */
+	private $author_id;
+
+	/**
+	 * WPML_Translation_Feedback constructor.
+	 *
+	 * @param array $data
+	 */
+	public function __construct( $data = array() ) {
+		$this->id           = array_key_exists( 'id', $data ) ? (int) $data['id'] : null;
+		$this->feedback_id  = array_key_exists( 'feedback_id', $data ) ? (int) $data['feedback_id'] : null;
+		$this->date_created = array_key_exists( 'date_created', $data )
+			? sanitize_text_field( $data['date_created'] ) : null;
+		$this->content      = array_key_exists( 'content', $data )
+			? sanitize_text_field( $data['content'] ) : null;
+		$this->author_id    = array_key_exists( 'author_id', $data )
+			? (int) $data['author_id'] : null;
+	}
+
+	/**
+	 * @return int|mixed|null
+	 */
+	public function get_id() {
+		return $this->id;
+	}
+
+	/**
+	 * @return int|null
+	 */
+	public function get_feedback_id() {
+		return $this->feedback_id;
+	}
+
+	/**
+	 * @param \WPML_TF_Message $message
+	 */
+	public function add_message( WPML_TF_Message $message ) {
+		return;
+	}
+
+	/**
+	 * @return mixed|null|string
+	 */
+	public function get_date_created() {
+		return $this->date_created;
+	}
+
+	/**
+	 * @return mixed|null|string
+	 */
+	public function get_content() {
+		return $this->content;
+	}
+
+	/**
+	 * @return int|null
+	 */
+	public function get_author_id() {
+		return $this->author_id;
+	}
+
+	/** @return string */
+	public function get_author_display_label() {
+		$label = __( 'Translator', 'sitepress' );
+
+		if ( user_can( $this->get_author_id(), 'manage_options' ) ) {
+			$label = __( 'Admin', 'sitepress' );
+		}
+
+		return $label;
+	}
+
+	/** @return bool */
+	public function author_is_current_user() {
+		$current_user = wp_get_current_user();
+		return $current_user->ID === $this->author_id;
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/model/wpml-tf-collection-filter-factory.php

@@ -0,0 +1,26 @@
+<?php
+
+class WPML_TF_Collection_Filter_Factory {
+
+	/**
+	 * @param string $type
+	 * @param array  $args
+	 *
+	 * @return null|IWPML_TF_Collection_Filter
+	 */
+	public function create( $type, array $args = array() ) {
+		$collection_filter = null;
+
+		switch ( $type ) {
+			case 'feedback':
+				$collection_filter = new WPML_TF_Feedback_Collection_Filter( $args );
+				break;
+
+			case 'message':
+				$collection_filter = new WPML_TF_Message_Collection_Filter( $args );
+				break;
+		}
+
+		return $collection_filter;
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/model/wpml-tf-collection.php

@@ -0,0 +1,71 @@
+<?php
+
+/**
+ * Class WPML_TF_Collection
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_Collection implements Iterator, Countable {
+
+	/** @var array<\IWPML_TF_Data_Object> */
+	protected $collection = array();
+
+	/**
+	 * @param \IWPML_TF_Data_Object $data_object
+	 */
+	public function add( IWPML_TF_Data_Object $data_object ) {
+		$this->collection[ $data_object->get_id() ] = $data_object;
+	}
+
+	/**
+	 * @return array
+	 */
+	public function get_ids() {
+		return array_keys( $this->collection );
+	}
+
+	/**
+	 * @param int $id
+	 *
+	 * @return IWPML_TF_Data_Object|null
+	 */
+	public function get( $id ) {
+		return array_key_exists( $id, $this->collection ) ? $this->collection[ $id ] : null;
+	}
+
+	/**
+	 * @return int
+	 */
+	public function count() {
+		return count( $this->collection );
+	}
+
+	public function rewind() {
+		reset( $this->collection );
+	}
+
+	/**
+	 * @return mixed
+	 */
+	public function current() {
+		return current( $this->collection );
+	}
+
+	/**
+	 * @return mixed
+	 */
+	public function key() {
+		return key( $this->collection );
+	}
+
+	public function next() {
+		next( $this->collection );
+	}
+
+	/**
+	 * @return bool
+	 */
+	public function valid() {
+		return key( $this->collection ) !== null;
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/model/wpml-tf-data-object-post-convert.php

@@ -0,0 +1,54 @@
+<?php
+
+/**
+ * Class WPML_TF_Data_Object_Post_Convert
+ *
+ * @author OnTheGoSystems
+ */
+abstract class WPML_TF_Data_Object_Post_Convert {
+
+	/**
+	 * @return array
+	 */
+	abstract public function get_post_fields();
+
+	/**
+	 * @return array
+	 */
+	abstract public function get_meta_fields();
+
+	/**
+	 * @param IWPML_TF_Data_Object $data_object
+	 *
+	 * @return array
+	 */
+	abstract public function to_post_data( IWPML_TF_Data_Object $data_object );
+
+	/**
+	 * @param array $post_data
+	 *
+	 * @return object
+	 */
+	abstract public function to_object( array $post_data );
+
+	/**
+	 * @param array $post_data
+	 *
+	 * @return array
+	 */
+	protected function build_object_data_for_constructor( array $post_data ) {
+		$object_data = array();
+
+		foreach ( $this->get_post_fields() as $feedback_field => $post_field ) {
+			$object_data[ $feedback_field ] = isset( $post_data['post']->{$post_field} )
+				? $post_data['post']->{$post_field} : null;
+		}
+
+		foreach ( $this->get_meta_fields() as $meta_field ) {
+			$object_data[ $meta_field ] = isset( $post_data['metadata'][ $meta_field ] )
+				? $post_data['metadata'][ $meta_field ] : null;
+		}
+
+		return $object_data;
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/model/wpml-tf-data-object-storage.php

@@ -0,0 +1,124 @@
+<?php
+
+/**
+ * Class WPML_TF_Data_Object_Storage
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_Data_Object_Storage {
+
+	const META_PREFIX = 'wpml_tf_';
+
+	/** @var WPML_TF_Data_Object_Post_Convert  */
+	private $post_convert;
+
+	/**
+	 * WPML_TF_Data_Object_Storage constructor.
+	 *
+	 * @param WPML_TF_Data_Object_Post_Convert $post_convert
+	 */
+	public function __construct( WPML_TF_Data_Object_Post_Convert $post_convert ) {
+		$this->post_convert = $post_convert;
+	}
+
+	/**
+	 * @param int $id
+	 *
+	 * @return IWPML_TF_Data_Object|null
+	 */
+	public function get( $id ) {
+		$result    = null;
+		$post_data = array();
+
+		$post_data['post'] = get_post( $id );
+
+		if ( $post_data['post'] ) {
+			foreach ( $this->post_convert->get_meta_fields() as $meta_field ) {
+				$post_data['metadata'][ $meta_field ] = get_post_meta( $id, self::META_PREFIX . $meta_field, true );
+			}
+
+			$result =  $this->post_convert->to_object( $post_data );
+		}
+
+		return $result;
+	}
+
+	/**
+	 * @param IWPML_TF_Data_Object $data_object
+	 *
+	 * @return int|WP_Error
+	 */
+	public function persist( IWPML_TF_Data_Object $data_object ) {
+		$post_data = $this->post_convert->to_post_data( $data_object );
+
+		$updated_id = wp_insert_post( $post_data['post'] );
+
+		if ( $updated_id && ! is_wp_error( $updated_id ) ) {
+			foreach ( $post_data['metadata'] as $key => $value ) {
+				update_post_meta( $updated_id, self::META_PREFIX . $key, $value );
+			}
+		}
+
+		return $updated_id;
+	}
+
+	/**
+	 * @param int  $id
+	 * @param bool $force_delete
+	 */
+	public function delete( $id, $force_delete = false ) {
+		if ( $force_delete ) {
+			wp_delete_post( $id );
+		} else {
+			wp_trash_post( $id );
+		}
+	}
+
+	/** @param int $id */
+	public function untrash( $id ) {
+		wp_untrash_post( $id );
+	}
+
+	/**
+	 * @param IWPML_TF_Collection_Filter $collection_filter
+	 *
+	 * @return WPML_TF_Collection
+	 */
+	public function get_collection( IWPML_TF_Collection_Filter $collection_filter ) {
+		$collection = $collection_filter->get_new_collection();
+		$posts_args = $collection_filter->get_posts_args();
+
+		if ( isset( $posts_args['meta_query']['relation'] ) && 'OR' === $posts_args['meta_query']['relation'] ) {
+			$object_posts = $this->get_posts_from_split_queries( $posts_args );
+		} else {
+			$object_posts = get_posts( $posts_args );
+		}
+
+		foreach ( $object_posts as $object_post ) {
+			$collection->add( $this->get( $object_post->ID ) );
+		}
+
+		return $collection;
+	}
+
+	/**
+	 * For more than 2 meta queries with "OR" relation, the standard WP query has a very bad performance.
+	 * It's much more efficient to make one query for each meta query.
+	 *
+	 * @param array $posts_args
+	 *
+	 * @return array
+	 */
+	private function get_posts_from_split_queries( array $posts_args ) {
+		$object_posts     = array();
+		$meta_query_parts = $posts_args['meta_query'];
+		unset( $meta_query_parts['relation'] );
+
+		foreach ( $meta_query_parts as $meta_query ) {
+			$posts_args['meta_query'] = $meta_query;
+			$object_posts = $object_posts + get_posts( $posts_args );
+		}
+
+		return $object_posts;
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/model/wpml-tf-feedback-edit.php

@@ -0,0 +1,255 @@
+<?php
+
+/**
+ * Class WPML_TF_Feedback_Edit
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_Feedback_Edit {
+
+	/** @var WPML_TF_Feedback_Query */
+	private $feedback_query;
+
+	/** @var WPML_TF_Data_Object_Storage $feedback_storage */
+	private $feedback_storage;
+
+	/** @var WPML_TF_Data_Object_Storage $message_storage */
+	private $message_storage;
+
+	/** @var null|WPML_TP_Client_Factory $tp_client_factory */
+	private $tp_client_factory;
+
+	/** @var null|WPML_TP_Client $tp_client */
+	private $tp_client;
+
+	/**
+	 * WPML_TF_Feedback_Edit constructor.
+	 *
+	 * @param \WPML_TF_Feedback_Query      $feedback_query
+	 * @param \WPML_TF_Data_Object_Storage $feedback_storage
+	 * @param \WPML_TF_Data_Object_Storage $message_storage
+	 * @param \WPML_TP_Client_Factory|null $tp_client_factory
+	 */
+	public function __construct(
+		WPML_TF_Feedback_Query $feedback_query,
+		WPML_TF_Data_Object_Storage $feedback_storage,
+		WPML_TF_Data_Object_Storage $message_storage,
+		WPML_TP_Client_Factory $tp_client_factory = null
+	) {
+		$this->feedback_query    = $feedback_query;
+		$this->feedback_storage  = $feedback_storage;
+		$this->message_storage   = $message_storage;
+		$this->tp_client_factory = $tp_client_factory;
+	}
+
+	/**
+	 * @param int   $feedback_id
+	 * @param array $args
+	 *
+	 * @return null|WPML_TF_Feedback
+	 * @throws \WPML_TF_Feedback_Update_Exception
+	 */
+	public function update( $feedback_id, array $args ) {
+		$feedback = $this->feedback_query->get_one( $feedback_id );
+
+		if ( $feedback ) {
+			$this->update_feedback_content( $feedback, $args );
+			$this->add_message_to_feedback( $feedback, $args );
+			$this->assign_feedback_to_reviewer( $feedback, $args );
+			$this->update_feedback_status( $feedback, $args );
+			$this->feedback_storage->persist( $feedback );
+
+			$feedback = $this->feedback_query->get_one( $feedback_id, true );
+		}
+
+		return $feedback;
+	}
+	/**
+	 * @param WPML_TF_Feedback $feedback
+	 * @param array            $args
+	 */
+	private function update_feedback_content( WPML_TF_Feedback $feedback, array $args ) {
+		if ( isset( $args['feedback_content'] ) && $this->is_admin_user() ) {
+			$feedback->set_content( $args['feedback_content'] );
+		}
+	}
+
+	/**
+	 * @param WPML_TF_Feedback $feedback
+	 * @param array            $args
+	 */
+	private function add_message_to_feedback( WPML_TF_Feedback $feedback, array $args ) {
+		if ( isset( $args['message_content'] ) ) {
+			$message_args = array(
+				'feedback_id' => $feedback->get_id(),
+				'content'     => $args['message_content'],
+				'author_id'   => get_current_user_id(),
+			);
+
+			$message = new WPML_TF_Message( $message_args );
+			$feedback->add_message( $message );
+			$this->message_storage->persist( $message );
+		}
+	}
+
+	/**
+	 * @param WPML_TF_Feedback $feedback
+	 * @param array            $args
+	 */
+	private function assign_feedback_to_reviewer( WPML_TF_Feedback $feedback, array $args ) {
+		if ( isset( $args['feedback_reviewer_id'] ) && $this->is_admin_user() ) {
+			$feedback->set_reviewer( $args['feedback_reviewer_id'] );
+		}
+	}
+
+	/**
+	 * @param WPML_TF_Feedback $feedback
+	 * @param array            $args
+	 *
+	 * @throws \WPML_TF_Feedback_Update_Exception
+	 */
+	private function update_feedback_status( WPML_TF_Feedback $feedback, array $args ) {
+		if ( isset( $args['feedback_status'] )
+		     && in_array( $args['feedback_status'], $this->get_feedback_statuses(), true )
+		) {
+			if ( 'sent_to_translator' === $args['feedback_status'] && ! $feedback->is_local_translation() ) {
+				$this->send_feedback_to_tp( $feedback );
+			} elseif ( 'sent_to_ts_api' === $args['feedback_status'] ) {
+				$this->update_feedback_status_from_tp( $feedback );
+			} else {
+				$feedback->set_status( $args['feedback_status'] );
+			}
+		}
+	}
+
+	/**
+	 * @param int $feedback_id
+	 *
+	 * @return bool
+	 */
+	public function delete( $feedback_id ) {
+		if ( $this->is_admin_user() ) {
+			$this->feedback_storage->delete( $feedback_id );
+			return true;
+		}
+
+		return false;
+	}
+
+	/** @return bool */
+	private function is_admin_user() {
+		return current_user_can( 'manage_options' );
+	}
+
+	/** @return array */
+	private function get_feedback_statuses() {
+		return array(
+			'pending',
+			'sent_to_translator',
+			'translator_replied',
+			'admin_replied',
+			'fixed',
+			'sent_to_ts_api',
+		);
+	}
+
+	/**
+	 * @param WPML_TF_Feedback $feedback
+	 *
+	 * @throws WPML_TF_Feedback_Update_Exception
+	 */
+	private function send_feedback_to_tp( WPML_TF_Feedback $feedback ) {
+		$current_user = wp_get_current_user();
+
+		$args = array(
+			'email' => $current_user->user_email,
+		);
+
+		$tp_feedback_id = $this->get_tp_client()->feedback()->send( $feedback, $args );
+
+		if ( ! $tp_feedback_id ) {
+			throw new WPML_TF_Feedback_Update_Exception( $this->get_communication_error_message( 'send' ) );
+		}
+
+		$feedback->get_tp_responses()->set_feedback_id( $tp_feedback_id );
+		$active_service = $this->get_tp_client()->services()->get_active();
+		$feedback->get_tp_responses()->set_feedback_forward_method( $active_service->get_feedback_forward_method() );
+		$new_status = 'sent_to_ts_' . $active_service->get_feedback_forward_method();
+		$feedback->set_status( $new_status );
+	}
+
+	/**
+	 * @param WPML_TF_Feedback $feedback
+	 *
+	 * @throws WPML_TF_Feedback_Update_Exception
+	 */
+	private function update_feedback_status_from_tp( WPML_TF_Feedback $feedback ) {
+		$tp_feedback_status = $this->get_tp_client()->feedback()->status( $feedback );
+
+		if ( ! $tp_feedback_status ) {
+			throw new WPML_TF_Feedback_Update_Exception( $this->get_communication_error_message( 'status' ) );
+		} elseif ( 'closed' === $tp_feedback_status ) {
+			$feedback->set_status( 'fixed' );
+		}
+	}
+
+	/**
+	 * @param string $endpoint
+	 *
+	 * @return string
+	 * @throws \WPML_TF_Feedback_Update_Exception
+	 */
+	private function get_communication_error_message( $endpoint ) {
+		$active_service = $this->get_tp_client()->services()->get_active();
+		$service_name = isset( $active_service->name ) ? $active_service->name : esc_html__( 'Translation Service', 'sitepress' );
+
+		if ( 'send' === $endpoint ) {
+			$error_message = sprintf(
+				esc_html__( 'Could not send the report to %s.', 'sitepress' ),
+				$service_name
+			);
+
+			$error_message .= ' ' . sprintf(
+					esc_html__( "This means that %s isn't yet aware of the problem in the translation and cannot fix it.", 'sitepress' ),
+					$service_name
+				);
+		} else {
+			$error_message = sprintf(
+				esc_html__( 'Could not fetch the status from %s.', 'sitepress' ),
+				$service_name
+			);
+		}
+
+		$error_message .= ' ' . sprintf(
+			esc_html__( "Let's get it working for you. Please contact %1sWPML support%2s and give them the following error details:", 'sitepress' ),
+			'<a href="https://wpml.org/forums/forum/english-support/" target="_blank">',
+			'</a>'
+		);
+
+		$error_message .= '<br><div class="js-wpml-tf-error-details"><a href="#">' .
+		                  esc_html__( 'Show details', 'sitepress' ) . '</a>' .
+		                  '<pre style="display:none;">' . esc_html( $this->get_tp_client()->feedback()->get_error_message() ) .
+		                  '</pre></div>';
+
+		return $error_message;
+	}
+
+	/**
+	 * @return null|WPML_TP_Client
+	 *
+	 * @throws WPML_TF_Feedback_Update_Exception
+	 */
+	private function get_tp_client() {
+		if ( ! $this->tp_client && $this->tp_client_factory ) {
+			$this->tp_client = $this->tp_client_factory->create();
+
+			if ( ! $this->tp_client ) {
+				throw new WPML_TF_Feedback_Update_Exception(
+					esc_html__( 'WPML cannot communicate with the remote translation service. Please make sure WPML Translation Management is active.', 'sitepress' )
+				);
+			}
+		}
+
+		return $this->tp_client;
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/model/wpml-tf-feedback-query.php

@@ -0,0 +1,225 @@
+<?php
+
+/**
+ * Class WPML_TF_Feedback_Query
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_Feedback_Query {
+
+	/** @var WPML_TF_Data_Object_Storage $feedback_storage */
+	private $feedback_storage;
+
+	/** @var WPML_TF_Data_Object_Storage $message_storage */
+	private $message_storage;
+
+	/** @var WPML_TF_Collection_Filter_Factory $collection_filter_factory */
+	private $collection_filter_factory;
+
+	/** @var  WPML_TF_Feedback_Collection $unfiltered_feedback_collection */
+	private $unfiltered_feedback_collection;
+
+	/** @var int $unfiltered_items_count */
+	private $unfiltered_items_count;
+
+	/** @var int $trashed_items_count */
+	private $trashed_items_count;
+
+	/** @var int $total_items_count */
+	private $total_items_count;
+
+	/** @var int $filtered_items_count */
+	private $filtered_items_count;
+
+	/** @var bool $is_in_trash */
+	private $is_in_trash = false;
+
+	/**
+	 * WPML_TF_Feedback_Collection_Factory constructor.
+	 *
+	 * @param WPML_TF_Data_Object_Storage         $feedback_storage
+	 * @param WPML_TF_Data_Object_Storage         $message_storage
+	 * @param WPML_TF_Collection_Filter_Factory   $collection_filter_factory
+	 */
+	public function __construct(
+		WPML_TF_Data_Object_Storage $feedback_storage,
+		WPML_TF_Data_Object_Storage $message_storage,
+		WPML_TF_Collection_Filter_Factory $collection_filter_factory
+	) {
+		$this->feedback_storage          = $feedback_storage;
+		$this->message_storage           = $message_storage;
+		$this->collection_filter_factory = $collection_filter_factory;
+	}
+
+	/**
+	 * @return WPML_TF_Feedback_Collection
+	 */
+	public function get_unfiltered_collection() {
+		if ( ! $this->unfiltered_feedback_collection ) {
+
+			$storage_filters = array(
+				'exclude_rating_only' => true,
+			);
+
+			if ( ! current_user_can( 'manage_options' ) ) {
+				$storage_filters['reviewer_id'] = get_current_user_id();
+			}
+
+			$feedback_collection_filter           = $this->collection_filter_factory->create( 'feedback', $storage_filters );
+			$this->unfiltered_feedback_collection = $this->feedback_storage->get_collection( $feedback_collection_filter );
+
+			$this->unfiltered_items_count = count( $this->unfiltered_feedback_collection );
+		}
+
+		return $this->unfiltered_feedback_collection;
+	}
+
+	/**
+	 * @param array $args
+	 *
+	 * @return WPML_TF_Feedback_Collection
+	 */
+	public function get( array $args ) {
+		$feedback_collection = clone $this->get_unfiltered_collection();
+		$feedback_collection = $this->trash_filter_collection( $feedback_collection, $args );
+		$feedback_collection = $this->filter_collection( $feedback_collection, $args );
+		$feedback_collection = $this->sort_collection( $feedback_collection, $args );
+		$feedback_collection = $this->apply_pagination( $feedback_collection, $args );
+
+		$message_filter_args       = array( 'feedback_ids' => $feedback_collection->get_ids() );
+		$message_collection_filter = $this->collection_filter_factory->create( 'message', $message_filter_args );
+
+		/** @var WPML_TF_Message_Collection $message_collection */
+		$message_collection = $this->message_storage->get_collection( $message_collection_filter );
+
+		$feedback_collection->link_messages_to_feedback( $message_collection );
+
+		return $feedback_collection;
+	}
+
+	/**
+	 * @param WPML_TF_Feedback_Collection $feedback_collection
+	 * @param array                       $args
+	 *
+	 * @return WPML_TF_Feedback_Collection
+	 */
+	public function trash_filter_collection( WPML_TF_Feedback_Collection $feedback_collection, array $args ) {
+		if ( isset( $args['status'] ) && 'trash' === $args['status'] ) {
+			$this->is_in_trash = true;
+			$feedback_collection->filter_by( 'status', 'trash' );
+			$this->trashed_items_count = count( $feedback_collection );
+			$this->total_items_count   = $this->unfiltered_items_count - $this->trashed_items_count;
+		} else {
+			$feedback_collection->remove_trashed();
+			$this->total_items_count   = count( $feedback_collection );
+			$this->trashed_items_count = $this->unfiltered_items_count - $this->total_items_count;
+		}
+
+		return $feedback_collection;
+	}
+
+	/**
+	 * @param WPML_TF_Feedback_Collection $feedback_collection
+	 * @param array                       $args
+	 *
+	 * @return WPML_TF_Feedback_Collection
+	 */
+	private function filter_collection( WPML_TF_Feedback_Collection $feedback_collection, array $args ) {
+		if ( isset( $args['status'] ) && 'trash' !== $args['status'] ) {
+			$feedback_collection->filter_by( 'status', $args['status'] );
+		} elseif ( isset( $args['language'] ) ) {
+			$feedback_collection->filter_by( 'language', $args['language'] );
+		} elseif ( isset( $args['post_id'] ) ) {
+			$feedback_collection->filter_by( 'post_id', $args['post_id'] );
+		}
+
+		$this->filtered_items_count = count( $feedback_collection );
+
+		return $feedback_collection;
+	}
+
+	/**
+	 * @param WPML_TF_Feedback_Collection $feedback_collection
+	 * @param array                       $args
+	 *
+	 * @return WPML_TF_Feedback_Collection
+	 */
+	private function sort_collection( WPML_TF_Feedback_Collection $feedback_collection, array $args ) {
+		$order_by = 'pending';
+		$order    = 'desc';
+
+		if ( isset( $args['orderby'] ) ) {
+			$order_by = $args['orderby'];
+		}
+
+		if ( isset( $args['order'] ) ) {
+			$order = $args['order'];
+		}
+
+		$feedback_collection->sort_collection( $order_by, $order );
+
+		return $feedback_collection;
+	}
+
+	/**
+	 * @param WPML_TF_Feedback_Collection $feedback_collection
+	 * @param array                       $args
+	 *
+	 * @return WPML_TF_Feedback_Collection
+	 */
+	private function apply_pagination( WPML_TF_Feedback_Collection $feedback_collection, array $args ) {
+		if ( isset( $args['paged'], $args['items_per_page'] ) ) {
+			$offset = $args['items_per_page'] * max( 0,  $args['paged'] - 1 );
+			$feedback_collection->reduce_collection( $offset, $args['items_per_page'] );
+		}
+
+		return $feedback_collection;
+	}
+
+	/**
+	 * @return int
+	 */
+	public function get_total_items_count() {
+		return $this->total_items_count;
+	}
+
+	/** @return int */
+	public function get_total_trashed_items_count() {
+		return $this->trashed_items_count;
+	}
+
+	/** @return int */
+	public function get_filtered_items_count() {
+		return $this->filtered_items_count;
+	}
+
+	/** @return bool */
+	public function is_in_trash() {
+		return $this->is_in_trash;
+	}
+
+	/**
+	 * @param int  $feedback_id
+	 * @param bool $with_messages
+	 *
+	 * @return null|\IWPML_TF_Data_Object
+	 */
+	public function get_one( $feedback_id, $with_messages = true ) {
+		$feedback = $this->feedback_storage->get( $feedback_id );
+
+		if ( $feedback && $with_messages ) {
+			$filter_args = array(
+				'feedback_id' => $feedback_id,
+			);
+
+			$filter   = new WPML_TF_Message_Collection_Filter( $filter_args );
+			$messages = $this->message_storage->get_collection( $filter );
+
+			foreach ( $messages as $message ) {
+				$feedback->add_message( $message );
+			}
+		}
+
+		return $feedback;
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/notices/wpml-tf-backend-notices.php

@@ -0,0 +1,71 @@
+<?php
+
+/**
+ * Class WPML_TF_Backend_Notices
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_Backend_Notices {
+
+	const GROUP        = 'wpml_tf_backend_notices';
+	const BULK_UPDATED = 'bulk_updated';
+
+	/** @var  WPML_Notices $admin_notices */
+	private $admin_notices;
+
+	/**
+	 * @param array $updated_feedback_ids
+	 * @parem string
+	 */
+	public function add_bulk_updated_notice( array $updated_feedback_ids, $action ) {
+		$count_feedback = count( $updated_feedback_ids );
+
+		$message = _n( '%d feedback was updated.', '%d feedback were updated.', $count_feedback, 'sitepress' );
+
+		if ( 'trash' === $action ) {
+			$permanent_trash_delay = defined( 'EMPTY_TRASH_DAYS' ) ? EMPTY_TRASH_DAYS : 30;
+
+			$message  = _n( '%d feedback was trashed.', '%d feedback were trashed.', $count_feedback, 'sitepress' );
+			$message .= ' ' . sprintf(
+				__( 'The trashed feedback will be permanently deleted after %d days.', 'sitepress' ),
+				$permanent_trash_delay
+			);
+		} elseif ( 'untrash' === $action ) {
+			$message = _n( '%d feedback was restored.', '%d feedback were restored.', $count_feedback, 'sitepress' );
+		} elseif ( 'delete' === $action ) {
+			$message = _n( '%d feedback was permanently deleted.', '%d feedback were permanently deleted.', $count_feedback, 'sitepress' );
+		}
+
+		$text = sprintf( $message, $count_feedback );
+
+		$new_notice = $this->get_admin_notices()->get_new_notice( self::BULK_UPDATED, $text, self::GROUP );
+		$new_notice->set_hideable( true );
+		$new_notice->set_css_class_types( 'notice-success' );
+		$this->get_admin_notices()->add_notice( $new_notice );
+	}
+
+	/**
+	 * Add action to remove updated notice after display
+	 */
+	public function remove_bulk_updated_notice_after_display() {
+		add_action( 'admin_notices', array( $this, 'remove_bulk_updated_notice' ), PHP_INT_MAX );
+	}
+
+	/**
+	 * Remove bulk_updated notice
+	 */
+	public function remove_bulk_updated_notice() {
+		$this->get_admin_notices()->remove_notice( self::GROUP, self::BULK_UPDATED );
+	}
+
+	/**
+	 * @return WPML_Notices
+	 */
+	private function get_admin_notices() {
+		if ( ! $this->admin_notices ) {
+			$this->admin_notices = wpml_get_admin_notices();
+		}
+
+		return $this->admin_notices;
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/notices/wpml-tf-promote-notices.php

@@ -0,0 +1,56 @@
+<?php
+
+/**
+ * Class WPML_TF_Promote_Notices
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_Promote_Notices {
+
+	const NOTICE_GROUP    = 'wpml-tf-promote';
+	const NOTICE_NEW_SITE = 'notice-new-site';
+	const DOC_URL         = 'https://wpml.org/documentation/getting-started-guide/getting-visitor-feedback-about-your-sites-translations/?utm_source=plugin&utm_medium=gui&utm_campaign=wpmlcore';
+
+	/** @var SitePress $sitepress */
+	private $sitepress;
+
+	public function __construct( SitePress $sitepress ) {
+		$this->sitepress = $sitepress;
+	}
+
+	/**
+	 * @param int $user_id
+	 */
+	public function show_notice_for_new_site( $user_id ) {
+		$notices      = wpml_get_admin_notices();
+		$settings_url = admin_url( '?page=' . WPML_PLUGIN_FOLDER . '/menu/languages.php#wpml-translation-feedback-options' );
+
+		$user_lang = $this->sitepress->get_user_admin_language( $user_id );
+		$this->sitepress->switch_lang( $user_lang );
+
+		$text = '<h2>' . __( 'Want to know if recent translations you received have problems?', 'sitepress' ) . '</h2>';
+		$text .= '<p>';
+		$text .= __( 'You got back several jobs from translation and they now appear on your site.', 'sitepress' );
+		$text .= ' ' . __( 'WPML lets you open these pages for feedback, so that visitors can tell you if they notice anything wrong.', 'sitepress' );
+		$text .= '<br><br>';
+		$text .= '<a href="' . $settings_url . '" class="button-secondary">' . __( 'Enable Translation Feedback', 'sitepress' ) . '</a>';
+		$text .= ' <a href="' . self::DOC_URL . '" target="_blank">' . __( 'Learn more about translation feedback', 'sitepress' ) . '</a>';
+		$text .= '</p>';
+
+		$notice  = $notices->get_new_notice( self::NOTICE_NEW_SITE, $text, self::NOTICE_GROUP );
+		$notice->set_dismissible( true );
+		$notice->set_css_class_types( 'notice-info' );
+		$notice->add_user_restriction( $user_id );
+
+		if ( ! $notices->is_notice_dismissed( $notice ) ) {
+			$notices->add_notice( $notice );
+		}
+
+		$this->sitepress->switch_lang( null );
+	}
+
+	public function remove() {
+		$notices = wpml_get_admin_notices();
+		$notices->remove_notice( self::NOTICE_GROUP, self::NOTICE_NEW_SITE );
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/scripts/wpml-tf-backend-options-scripts.php

@@ -0,0 +1,20 @@
+<?php
+
+/**
+ * Class WPML_TF_Backend_Options_Scripts
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_Backend_Options_Scripts {
+
+	const HANDLE = 'wpml-tf-backend-options';
+
+	/**
+	 * method enqueue
+	 */
+	public function enqueue() {
+		$script = ICL_PLUGIN_URL . '/res/js/translation-feedback/wpml-tf-backend-options-script.js';
+		wp_register_script( self::HANDLE, $script, array( 'jquery', 'wp-util' ), ICL_SITEPRESS_VERSION );
+		wp_enqueue_script( self::HANDLE );
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/scripts/wpml-tf-backend-scripts.php

@@ -0,0 +1,20 @@
+<?php
+
+/**
+ * Class WPML_TF_Backend_Scripts
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_Backend_Scripts {
+
+	const HANDLE = 'wpml-tf-backend';
+
+	/**
+	 * method enqueue
+	 */
+	public function enqueue() {
+		$script = ICL_PLUGIN_URL . '/res/js/translation-feedback/wpml-tf-backend-script.js';
+		wp_register_script( self::HANDLE, $script, array( 'jquery', 'wp-util' ), ICL_SITEPRESS_VERSION );
+		wp_enqueue_script( self::HANDLE );
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/scripts/wpml-tf-frontend-scripts.php

@@ -0,0 +1,20 @@
+<?php
+
+/**
+ * Class WPML_TF_Frontend_Scripts
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_Frontend_Scripts {
+
+	const HANDLE = 'wpml-tf-frontend';
+
+	/**
+	 * method enqueue
+	 */
+	public function enqueue() {
+		$script = ICL_PLUGIN_URL . '/res/js/translation-feedback/wpml-tf-frontend-script.js';
+		wp_register_script( self::HANDLE, $script, array( 'jquery', 'jquery-ui-dialog', 'wp-util' ), ICL_SITEPRESS_VERSION );
+		wp_enqueue_script( self::HANDLE );
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/settings/iwpml-tf-settings.php

@@ -0,0 +1,16 @@
+<?php
+
+/**
+ * Interface WPML_Settings_Interface
+ *
+ * @author OnTheGoSystems
+ */
+interface IWPML_TF_Settings {
+
+	/**
+	 * @return array of name/value pairs
+	 *
+	 * Each property should have its own setter "set_{$property_name}"
+	 */
+	public function get_properties();
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/settings/wpml-tf-settings-handler.php

@@ -0,0 +1,18 @@
+<?php
+
+/**
+ * Class WPML_TF_Settings_Handler
+ *
+ * @author OnTheGoSystems
+ */
+abstract class WPML_TF_Settings_Handler {
+
+	/**
+	 * @param string $class_name
+	 *
+	 * @return string
+	 */
+	protected function get_option_name( $class_name ) {
+		return sanitize_title( $class_name );
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/settings/wpml-tf-settings-read.php

@@ -0,0 +1,57 @@
+<?php
+
+/**
+ * Class WPML_TF_Settings_Read
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_Settings_Read extends WPML_TF_Settings_Handler {
+
+	/**
+	 * @param string $settings_class
+	 *
+	 * @return IWPML_TF_Settings
+	 *
+	 * @throws InvalidArgumentException
+	 */
+	public function get( $settings_class ) {
+		if ( ! class_exists( $settings_class ) ) {
+			throw new InvalidArgumentException( $settings_class . ' does not exist.' );
+		}
+
+		if ( ! in_array( 'IWPML_TF_Settings', class_implements( $settings_class ) ) ) {
+			throw new InvalidArgumentException( $settings_class . ' should implement IWPML_TF_Settings.' );
+		}
+
+		$settings_properties = get_option( $this->get_option_name( $settings_class ) );
+
+		/** @var IWPML_TF_Settings $settings */
+		$settings = new $settings_class();
+
+		if ( is_array( $settings_properties ) ) {
+			$this->set_properties( $settings, $settings_properties );
+		}
+
+		return $settings;
+	}
+
+	/**
+	 * @param IWPML_TF_Settings $settings
+	 * @param array             $settings_properties
+	 *
+	 * @throws BadMethodCallException
+	 */
+	private function set_properties( IWPML_TF_Settings $settings, array $settings_properties ) {
+		foreach ( $settings->get_properties() as $property_name => $property_value ) {
+
+			if ( method_exists( $settings, 'set_' . $property_name ) ) {
+
+				if ( isset( $settings_properties[ $property_name ] ) ) {
+					call_user_func( array( $settings, 'set_' . $property_name ), $settings_properties[ $property_name ] );
+				}
+			} else {
+				throw new BadMethodCallException( 'The method set_' . $property_name . ' is required in ' . get_class( $settings ) . '.' );
+			}
+		}
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/settings/wpml-tf-settings-write.php

@@ -0,0 +1,18 @@
+<?php
+
+/**
+ * Class WPML_TF_Settings_Write
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_Settings_Write extends WPML_TF_Settings_Handler {
+
+	/**
+	 * @param IWPML_TF_Settings $settings
+	 *
+	 * @return bool
+	 */
+	public function save( IWPML_TF_Settings $settings ) {
+		return update_option( $this->get_option_name( get_class( $settings ) ), $settings->get_properties() );
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/settings/wpml-tf-settings.php

@@ -0,0 +1,180 @@
+<?php
+
+use WPML\API\Sanitize;
+
+/**
+ * Class WPML_TF_Settings
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_Settings implements IWPML_TF_Settings {
+
+	const BUTTON_MODE_DISABLED = 'disabled';
+	const BUTTON_MODE_LEFT     = 'left';
+	const BUTTON_MODE_RIGHT    = 'right';
+	const BUTTON_MODE_CUSTOM   = 'custom';
+
+	const ICON_STYLE_LEGACY   = 'translation';
+	const ICON_STYLE_STAR     = 'star';
+	const ICON_STYLE_THUMBSUP = 'thumbsup';
+	const ICON_STYLE_BULLHORN = 'bullhorn';
+	const ICON_STYLE_COMMENT  = 'comment';
+	const ICON_STYLE_QUOTE    = 'quote';
+
+	const DISPLAY_ALWAYS = 'always';
+	const DISPLAY_CUSTOM = 'custom';
+
+	const EXPIRATION_ON_PUBLISH_OR_UPDATE = 'publish_or_update';
+	const EXPIRATION_ON_PUBLISH_ONLY      = 'publish_only';
+	const EXPIRATION_ON_UPDATE_ONLY       = 'update_only';
+
+	const DELAY_DAY   = 1;
+	const DELAY_WEEK  = 7;
+	const DELAY_MONTH = 30;
+
+	/** @var bool $enabled */
+	private $enabled = false;
+
+	/** @var string $button_mode */
+	private $button_mode = self::BUTTON_MODE_LEFT;
+
+	/** @var string $icon_style */
+	private $icon_style = self::ICON_STYLE_LEGACY;
+
+	/** @var null|array $languages_to */
+	private $languages_to = null;
+
+	/** @var string $display_mode */
+	private $display_mode = self::DISPLAY_CUSTOM;
+
+	/** @var string $expiration_mode */
+	private $expiration_mode = self::EXPIRATION_ON_PUBLISH_OR_UPDATE;
+
+	/** @var int $expiration_delay_quantity */
+	private $expiration_delay_quantity = 1;
+
+	/** @var int $expiration_delay_unit */
+	private $expiration_delay_unit = self::DELAY_MONTH;
+
+	/**
+	 * @param bool $enabled
+	 */
+	public function set_enabled( $enabled ) {
+		$this->enabled = (bool) $enabled;
+	}
+
+	/**
+	 * @return bool
+	 */
+	public function is_enabled() {
+		return $this->enabled;
+	}
+
+	/**
+	 * @param string $button_mode
+	 */
+	public function set_button_mode( $button_mode ) {
+  		$this->button_mode = Sanitize::string( $button_mode );
+	}
+
+	/**
+	 * @return string
+	 */
+	public function get_button_mode() {
+		return $this->button_mode;
+	}
+
+	/** @param string $style */
+	public function set_icon_style( $style ) {
+		$this->icon_style = Sanitize::string( $style );
+	}
+
+	/** @return string */
+	public function get_icon_style() {
+		return $this->icon_style;
+	}
+
+	/**
+	 * @param array $languages_to
+	 */
+	public function set_languages_to( array $languages_to ) {
+		$this->languages_to = array_map( 'sanitize_title', $languages_to );
+	}
+
+	/**
+	 * @return null|array
+	 */
+	public function get_languages_to() {
+		return $this->languages_to;
+	}
+
+	/**
+	 * @param string $display_mode
+	 */
+	public function set_display_mode( $display_mode ) {
+		$this->display_mode = Sanitize::string( $display_mode );
+	}
+
+	/**
+	 * @return string
+	 */
+	public function get_display_mode() {
+		return $this->display_mode;
+	}
+
+	/**
+	 * @param string $expiration_mode
+	 */
+	public function set_expiration_mode( $expiration_mode ) {
+		$this->expiration_mode = Sanitize::string( $expiration_mode );
+	}
+
+	/**
+	 * @return string
+	 */
+	public function get_expiration_mode() {
+		return $this->expiration_mode;
+	}
+
+	/**
+	 * @param int $expiration_delay_quantity
+	 */
+	public function set_expiration_delay_quantity( $expiration_delay_quantity ) {
+		$this->expiration_delay_quantity = (int) $expiration_delay_quantity;
+	}
+
+	/**
+	 * @return int
+	 */
+	public function get_expiration_delay_quantity() {
+		return $this->expiration_delay_quantity;
+	}
+
+	/**
+	 * @param int $expiration_delay_unit
+	 */
+	public function set_expiration_delay_unit( $expiration_delay_unit ) {
+		$this->expiration_delay_unit = (int) $expiration_delay_unit;
+	}
+
+	/**
+	 * @return int
+	 */
+	public function get_expiration_delay_unit() {
+		return $this->expiration_delay_unit;
+	}
+
+	/**
+	 * @return int delay in days before expiration
+	 */
+	public function get_expiration_delay_in_days() {
+		return $this->expiration_delay_quantity * $this->expiration_delay_unit;
+	}
+
+	/**
+	 * @return array
+	 */
+	public function get_properties() {
+		return get_object_vars( $this );
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/styles/wpml-tf-backend-options-styles.php

@@ -0,0 +1,20 @@
+<?php
+
+/**
+ * Class WPML_TF_Backend_Options_Styles
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_Backend_Options_Styles {
+
+	const HANDLE = 'wpml-tf-backend-options';
+
+	/**
+	 * method enqueue
+	 */
+	public function enqueue() {
+		$style = ICL_PLUGIN_URL . '/res/css/translation-feedback/backend-options.css';
+		wp_register_style( self::HANDLE, $style, array(), ICL_SITEPRESS_VERSION );
+		wp_enqueue_style( self::HANDLE );
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/styles/wpml-tf-backend-styles.php

@@ -0,0 +1,20 @@
+<?php
+
+/**
+ * Class WPML_TF_Backend_Styles
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_Backend_Styles {
+
+	const HANDLE = 'wpml-tf-backend';
+
+	/**
+	 * method enqueue
+	 */
+	public function enqueue() {
+		$style = ICL_PLUGIN_URL . '/res/css/translation-feedback/backend-feedback-list.css';
+		wp_register_style( self::HANDLE, $style, array( 'otgs-ico' ), ICL_SITEPRESS_VERSION );
+		wp_enqueue_style( self::HANDLE );
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/styles/wpml-tf-frontend-styles.php

@@ -0,0 +1,20 @@
+<?php
+
+/**
+ * Class WPML_TF_Frontend_Styles
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_Frontend_Styles {
+
+	const HANDLE = 'wpml-tf-frontend';
+
+	/**
+	 * method enqueue
+	 */
+	public function enqueue() {
+		$style = ICL_PLUGIN_URL . '/res/css/translation-feedback/front-style.css';
+		wp_register_style( self::HANDLE, $style, array( 'otgs-dialogs', 'otgs-icons' ), ICL_SITEPRESS_VERSION );
+		wp_enqueue_style( self::HANDLE );
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/utils/wpml-tf-backend-document-information.php

@@ -0,0 +1,215 @@
+<?php
+
+/**
+ * Class WPML_TF_Backend_Document_Information
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_Backend_Document_Information extends WPML_TF_Document_Information {
+
+	/** @var WPML_TP_Client_Factory|null $tp_client_factory */
+	private $tp_client_factory;
+
+	/** @var WPML_TP_Client|null $tp_client */
+	private $tp_client;
+
+	/**
+	 * WPML_TF_Backend_Document_Information constructor.
+	 *
+	 * @param SitePress              $sitepress
+	 * @param WPML_TP_Client_Factory $tp_client_factory
+	 */
+	public function __construct( SitePress $sitepress, WPML_TP_Client_Factory $tp_client_factory = null ) {
+		parent::__construct( $sitepress );
+		$this->tp_client_factory = $tp_client_factory;
+	}
+
+	/**
+	 * @return false|null|string
+	 */
+	public function get_url() {
+		$url = null;
+
+		if ( $this->is_post_document() ) {
+			$url = get_permalink( $this->id );
+		}
+
+		return $url;
+	}
+
+	/**
+	 * @return null|string
+	 */
+	public function get_title() {
+		$title = null;
+
+		if ( $this->is_post_document() ) {
+			$title = $this->get_post_title( $this->id );
+		}
+
+		return $title;
+	}
+
+	/**
+	 * @return bool
+	 */
+	private function is_post_document() {
+		return 0 === strpos( $this->type, 'post_' );
+	}
+
+	/**
+	 * @param string $language_code
+	 *
+	 * @return string
+	 */
+	public function get_flag_url( $language_code ) {
+		return $this->sitepress->get_flag_url( $language_code );
+	}
+
+	/**
+	 * @return string
+	 */
+	public function get_edit_url() {
+		$this->load_link_to_translation_tm_filters();
+
+		$url = 'post.php?' . http_build_query(
+			array(
+				'lang'      => $this->get_language(),
+				'action'    => 'edit',
+				'post_type' => $this->type,
+				'post'      => $this->id,
+			)
+		);
+
+		return apply_filters( 'wpml_link_to_translation', $url, $this->get_source_id(), $this->get_language(), $this->get_trid() );
+	}
+
+	private function load_link_to_translation_tm_filters() {
+		if ( ! did_action( 'wpml_pre_status_icon_display' ) ) {
+			do_action( 'wpml_pre_status_icon_display' );
+		}
+	}
+
+	/**
+	 * @return null|int
+	 */
+	public function get_source_id() {
+		$source_id    = null;
+		$translations = $this->get_translations();
+
+		if ( isset( $translations[ $this->get_source_language() ]->element_id ) ) {
+			$source_id = (int) $translations[ $this->get_source_language() ]->element_id;
+		}
+
+		return $source_id;
+	}
+
+	/**
+	 * @return null|string
+	 */
+	public function get_source_url() {
+		$url = null;
+
+		if ( $this->get_source_id() ) {
+			$url = get_the_permalink( $this->get_source_id() );
+		}
+
+		return $url;
+	}
+
+	/**
+	 * @return null|string
+	 */
+	public function get_source_title() {
+		$title = null;
+
+		if ( $this->get_source_id() ) {
+			$title = $this->get_post_title( $this->get_source_id() );
+		}
+
+		return $title;
+	}
+
+	/**
+	 * @return array|bool|mixed
+	 */
+	private function get_translations() {
+		return $this->sitepress->get_element_translations( $this->get_trid(), $this->type );
+	}
+
+	/**
+	 * @param int $job_id
+	 *
+	 * @return string
+	 */
+	public function get_translator_name( $job_id ) {
+		$translation_job = $this->get_translation_job( $job_id );
+
+		if ( isset( $translation_job->translation_service ) ) {
+
+			if ( 'local' === $translation_job->translation_service && isset( $translation_job->translator_id ) ) {
+				$translator_name  = get_the_author_meta( 'display_name', $translation_job->translator_id );
+				$translator_name .= ' (' . __( 'local translator', 'sitepress' ) . ')';
+			} else {
+				$translator_name = __( 'Unknown remote translation service', 'sitepress' );
+				$tp_client       = $this->get_tp_client();
+
+				if ( $tp_client ) {
+					$translator_name = $tp_client->services()->get_name( $translation_job->translation_service );
+				}
+			}
+		} else {
+			$post_author_id  = get_post_field( 'post_author', $this->id );
+			$translator_name = get_the_author_meta( 'display_name', $post_author_id );
+		}
+
+		return $translator_name;
+	}
+
+	/**
+	 * @param string $from
+	 * @param string $to
+	 *
+	 * @return array
+	 */
+	public function get_available_translators( $from, $to ) {
+		$translators = array();
+
+		if ( function_exists( 'wpml_tm_load_blog_translators' ) ) {
+			$args = array(
+				'from' => $from,
+				'to'   => $to,
+			);
+
+			$users       = wpml_tm_load_blog_translators()->get_blog_translators( $args );
+			$translators = wp_list_pluck( $users, 'display_name', 'ID' );
+		}
+
+		return $translators;
+	}
+
+	/**
+	 * @param int $post_id
+	 *
+	 * @return null|string
+	 */
+	private function get_post_title( $post_id ) {
+		$title = null;
+		$post  = get_post( $post_id );
+
+		if ( isset( $post->post_title ) ) {
+			$title = $post->post_title;
+		}
+
+		return $title;
+	}
+
+	/** @return null|WPML_TP_Client */
+	private function get_tp_client() {
+		if ( ! $this->tp_client && $this->tp_client_factory ) {
+			$this->tp_client = $this->tp_client_factory->create();
+		}
+
+		return $this->tp_client;
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/utils/wpml-tf-document-information.php

@@ -0,0 +1,117 @@
+<?php
+
+/**
+ * Class WPML_TF_Document_Information
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_Document_Information {
+
+	/** @var  SitePress $sitepress */
+	protected $sitepress;
+
+	/** @var  int $id */
+	protected $id;
+
+	/** @var  string $type */
+	protected $type;
+
+	/** @var  stdClass $language_details */
+	protected $language_details;
+
+	/** @var null|int|stdClass */
+	private $translation_job;
+
+	/**
+	 * WPML_TF_Document_Information constructor.
+	 *
+	 * @param SitePress $sitepress
+	 */
+	public function __construct( SitePress $sitepress ) {
+		$this->sitepress = $sitepress;
+	}
+
+	/**
+	 * @param int    $id
+	 * @param string $type
+	 */
+	public function init( $id, $type ) {
+		$this->id               = $id;
+		$this->type             = $type;
+		$this->language_details = $this->sitepress->get_element_language_details( $this->id, $this->type );
+	}
+
+	/**
+	 * @return string|null
+	 */
+	public function get_source_language() {
+		return isset( $this->language_details->source_language_code )
+			? $this->language_details->source_language_code
+			: null;
+	}
+
+	/**
+	 * @return string
+	 */
+	public function get_language() {
+		return isset( $this->language_details->language_code )
+			? $this->language_details->language_code
+			: null;
+	}
+
+	/**
+	 * @return null|int
+	 */
+	public function get_job_id() {
+		$args = array(
+			'trid'          => $this->get_trid(),
+			'language_code' => $this->get_language(),
+		);
+
+		$job_id = apply_filters( 'wpml_translation_job_id', false, $args );
+
+		return $job_id ? $job_id : null;
+	}
+
+	/**
+	 * @return null|int
+	 */
+	protected function get_trid() {
+		$trid = null;
+
+		if ( isset( $this->language_details->trid ) ) {
+			$trid = $this->language_details->trid;
+		}
+
+		return $trid;
+	}
+
+	/**
+	 * @param int $job_id
+	 *
+	 * @return bool
+	 */
+	public function is_local_translation( $job_id ) {
+		$is_local        = true;
+		$translation_job = $this->get_translation_job( $job_id );
+
+		if ( isset( $translation_job->translation_service ) && 'local' !== $translation_job->translation_service ) {
+			$is_local = false;
+		}
+
+		return $is_local;
+	}
+
+	/**
+	 * @param int $job_id
+	 *
+	 * @return int|stdClass
+	 */
+	protected function get_translation_job( $job_id ) {
+		if ( ! $this->translation_job ) {
+			$this->translation_job = apply_filters( 'wpml_get_translation_job', $job_id );
+		}
+
+		return $this->translation_job;
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/utils/wpml-tf-feedback-page-filter.php

@@ -0,0 +1,239 @@
+<?php
+
+/**
+ * Class WPML_TF_Feedback_Page_Filter
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_Feedback_Page_Filter {
+
+	/** @var  SitePress $sitepress */
+	private $sitepress;
+
+	/** @var WPML_TF_Feedback_Query $feedback_query */
+	private $feedback_query;
+
+	/** @var  array $statuses */
+	private $statuses = array();
+
+	/** @var  array $languages */
+	private $languages = array();
+
+	/** @var  array $url_args */
+	private $url_args;
+
+	/** @var  string $current_url */
+	private $current_url;
+
+	/**
+	 * WPML_TF_Feedback_Page_Filter constructor.
+	 *
+	 * @param SitePress              $sitepress
+	 * @param WPML_TF_Feedback_Query $feedback_query
+	 */
+	public function __construct( SitePress $sitepress, WPML_TF_Feedback_Query $feedback_query ) {
+		$this->sitepress      = $sitepress;
+		$this->feedback_query = $feedback_query;
+	}
+
+	/**
+	 * @return array
+	 */
+	public static function get_filter_keys() {
+		return array(
+			'status',
+			'language',
+			'post_id',
+		);
+	}
+
+	/**
+	 * Will not create filters inside the trash
+	 * And will not include the "trash" status in the status row
+	 */
+	public function populate_counters_and_labels() {
+		if ( $this->feedback_query->is_in_trash() ) {
+			return;
+		}
+
+		foreach ( $this->feedback_query->get_unfiltered_collection() as $feedback ) {
+			/** @var WPML_TF_Feedback $feedback */
+			if ( 'trash' === $feedback->get_status() ) {
+				continue;
+			}
+
+			if ( ! array_key_exists( $feedback->get_status(), $this->statuses ) ) {
+				$this->statuses[ $feedback->get_status() ] = array(
+					'count' => 1,
+					'label' => $feedback->get_text_status(),
+				);
+			} else {
+				$this->statuses[ $feedback->get_status() ]['count']++;
+			}
+
+			if ( ! array_key_exists( $feedback->get_language_to(), $this->languages ) ) {
+				$lang_details = $this->sitepress->get_language_details( $feedback->get_language_to() );
+
+				$this->languages[ $feedback->get_language_to() ] = array(
+					'count' => 1,
+					'label' => isset( $lang_details['display_name'] ) ? $lang_details['display_name'] : null,
+				);
+			} else {
+				$this->languages[ $feedback->get_language_to() ]['count']++;
+			}
+		}
+
+		ksort( $this->statuses );
+		ksort( $this->languages );
+	}
+
+	/**
+	 * @return array
+	 */
+	public function get_all_and_trash_data() {
+		$main_data = array(
+			'all' => array(
+				'count'   => $this->feedback_query->get_total_items_count(),
+				'label'   => __( 'All', 'sitepress' ),
+				'url'     => $this->get_reset_filters_url(),
+				'current' => $this->get_current_url() === $this->get_reset_filters_url(),
+			),
+		);
+
+		if ( $this->feedback_query->get_total_trashed_items_count() ) {
+			$main_data['trashed'] = array(
+				'count'   => $this->feedback_query->get_total_trashed_items_count(),
+				'label'   => __( 'Trash', 'sitepress' ),
+				'url'     => $this->get_filter_url( 'status', 'trash' ),
+				'current' => $this->get_current_url() === $this->get_filter_url( 'status', 'trash' ),
+			);
+		}
+
+		if ( $this->is_current_filter( 'post_id' ) ) {
+			$filters = $this->get_current_filters();
+			$post    = get_post( $filters['post_id'] );
+
+			if ( isset( $post->post_title ) ) {
+				$main_data['post_id'] = array(
+					'label'   => sprintf(
+						__( 'For "%s"', 'sitepress' ),
+						mb_strimwidth( $post->post_title, 0, 40, '...' )
+					),
+					'current' => true,
+				);
+
+			}
+		}
+
+		return $main_data;
+	}
+
+	/**
+	 * @return array
+	 */
+	public function get_statuses_data() {
+		foreach ( $this->statuses as $status => $data ) {
+			$this->statuses[ $status ]['url']     = $this->get_filter_url( 'status', $status );
+			$this->statuses[ $status ]['current'] = false;
+
+			if ( $this->is_current_filter( 'status', $status ) ) {
+				$this->statuses[ $status ]['current'] = true;
+			}
+		}
+
+		return $this->statuses;
+	}
+
+	/**
+	 * @return array
+	 */
+	public function get_languages_data() {
+		foreach ( $this->languages as $language_code => $data ) {
+			$this->languages[ $language_code ]['url']     = $this->get_filter_url( 'language', $language_code );
+			$this->languages[ $language_code ]['current'] = false;
+
+			if ( $this->is_current_filter( 'language', $language_code ) ) {
+				$this->languages[ $language_code ]['current'] = true;
+			}
+		}
+
+		return $this->languages;
+	}
+
+	/**
+	 * @param string $filter_name
+	 * @param string $filter_value
+	 *
+	 * @return string
+	 */
+	private function get_filter_url( $filter_name, $filter_value ) {
+		return add_query_arg( $filter_name, $filter_value, $this->get_reset_filters_url() );
+	}
+
+	/**
+	 * @param string $filter_key
+	 * @param string $filter_value
+	 *
+	 * @return bool
+	 */
+	private function is_current_filter( $filter_key, $filter_value = null ) {
+		$is_current_filter = false;
+		$query_args        = $this->get_url_args();
+
+		if ( array_key_exists( $filter_key, $query_args )
+			 && ( ! $filter_value || $query_args[ $filter_key ] === $filter_value )
+		) {
+			$is_current_filter = true;
+		}
+
+		return $is_current_filter;
+	}
+
+	/**
+	 * @return array
+	 */
+	public function get_current_filters() {
+		$filters    = array();
+		$query_args = $this->get_url_args();
+
+		foreach ( self::get_filter_keys() as $filter_key ) {
+			if ( array_key_exists( $filter_key, $query_args ) ) {
+				$filters[ $filter_key ] = $query_args[ $filter_key ];
+			}
+		}
+
+		return $filters;
+	}
+
+	/**
+	 * @return array
+	 */
+	private function get_url_args() {
+		if ( ! $this->url_args ) {
+			$this->url_args = array();
+			$url_query      = wpml_parse_url( $this->get_current_url(), PHP_URL_QUERY );
+			parse_str( $url_query, $this->url_args );
+		}
+
+		return $this->url_args;
+	}
+
+	/**
+	 * @return string
+	 */
+	private function get_current_url() {
+		if ( ! $this->current_url ) {
+			$this->current_url = set_url_scheme( 'http://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] );
+			$this->current_url = remove_query_arg( 'paged', $this->current_url );
+		}
+
+		return $this->current_url;
+	}
+
+	/**
+	 * @return string
+	 */
+	private function get_reset_filters_url() {
+		return remove_query_arg( self::get_filter_keys(), $this->get_current_url() );
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/utils/wpml-tf-frontend-display-requirements.php

@@ -0,0 +1,87 @@
+<?php
+
+/**
+ * Class WPML_TF_Frontend_Display_Requirements
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_Frontend_Display_Requirements {
+
+	/** @var WPML_Queried_Object $queried_object */
+	private $queried_object;
+
+	/** @var WPML_TF_Settings $settings */
+	private $settings;
+
+	/**
+	 * WPML_TF_Frontend_Display_Requirements constructor.
+	 *
+	 * @param WPML_Queried_Object $queried_object
+	 * @param WPML_TF_Settings    $settings
+	 */
+	public function __construct( WPML_Queried_Object $queried_object, WPML_TF_Settings $settings ) {
+		$this->queried_object = $queried_object;
+		$this->settings       = $settings;
+	}
+
+	/**
+	 * @return bool
+	 */
+	public function verify() {
+		return $this->is_enabled_on_frontend()
+			   && $this->is_translation()
+			   && $this->is_allowed_language()
+			   && $this->is_not_expired();
+	}
+
+	/**
+	 * @return bool
+	 */
+	private function is_enabled_on_frontend() {
+		return $this->settings->is_enabled()
+			   && $this->settings->get_button_mode() !== WPML_TF_Settings::BUTTON_MODE_DISABLED;
+	}
+
+	/**
+	 * @return bool
+	 */
+	private function is_translation() {
+		return (bool) $this->queried_object->get_source_language_code();
+	}
+
+	/**
+	 * @return bool
+	 */
+	private function is_allowed_language() {
+		return is_array( $this->settings->get_languages_to() )
+			   && in_array( $this->queried_object->get_language_code(), $this->settings->get_languages_to(), true );
+	}
+
+	/**
+	 * @return bool
+	 */
+	private function is_not_expired() {
+		$is_expired = false;
+
+		if ( $this->settings->get_display_mode() === WPML_TF_Settings::DISPLAY_CUSTOM
+			 && $this->queried_object->is_post()
+		) {
+			$post = get_post( $this->queried_object->get_id() );
+			$now  = strtotime( 'now' );
+
+			if ( $this->settings->get_expiration_mode() === WPML_TF_Settings::EXPIRATION_ON_PUBLISH_ONLY ) {
+				$post_date = strtotime( $post->post_date );
+			} else {
+				$post_date = max( strtotime( $post->post_date ), strtotime( $post->post_modified ) );
+			}
+
+			$post_age_in_days = ( $now - $post_date ) / DAY_IN_SECONDS;
+
+			if ( $post_age_in_days > $this->settings->get_expiration_delay_in_days() ) {
+				$is_expired = true;
+			}
+		}
+
+		return ! $is_expired;
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/utils/wpml-tf-post-rating-metrics.php

@@ -0,0 +1,92 @@
+<?php
+
+/**
+ * Class WPML_TF_Rating_Average
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_Post_Rating_Metrics {
+
+	const QUANTITY_KEY = 'wpml_tf_post_rating_quantity';
+	const AVERAGE_KEY  = 'wpml_tf_post_rating_average';
+
+	/** @var wpdb $wpdb */
+	private $wpdb;
+
+	public function __construct( wpdb $wpdb ) {
+		$this->wpdb = $wpdb;
+	}
+
+	/**
+	 * @param int $post_id
+	 *
+	 * @return string
+	 */
+	public function get_display( $post_id ) {
+		$quantity = (int) get_post_meta( $post_id, self::QUANTITY_KEY, true );
+
+		if ( 0 === $quantity ) {
+			return '';
+		}
+
+		$average = get_post_meta( $post_id, self::AVERAGE_KEY, true );
+		$title   = sprintf( __( 'Average rating - %s', 'sitepress' ), $average );
+		$stars   = round( $average );
+		$url     = admin_url( 'admin.php?page=' . WPML_TF_Backend_Hooks::PAGE_HOOK . '&post_id=' . $post_id );
+
+		$output  = '<div class="wpml-tf-rating" title="' . esc_attr( $title ) . '"><a href="'. esc_url( $url ) . '">';
+
+		for ( $i = 1; $i < 6; $i++ ) {
+			$output .= '<span class="otgs-ico-star';
+
+			if ( $i <= $stars ) {
+				$output .= ' full-star';
+			}
+
+			$output .= '"></span>';
+		}
+
+		$output .= '</a> <span class="rating-quantity">(' . esc_html( $quantity ) . ')</span></div>';
+
+		return $output;
+
+	}
+
+	/** @param int $post_id */
+	public function refresh( $post_id ) {
+		$document_id_key = WPML_TF_Data_Object_Storage::META_PREFIX . 'document_id';
+		$rating_key      = WPML_TF_Data_Object_Storage::META_PREFIX . 'rating';
+
+		$subquery = $this->wpdb->prepare(
+			"SELECT post_id FROM {$this->wpdb->postmeta}
+			 WHERE meta_key = %s AND meta_value = %d",
+			$document_id_key,
+			$post_id
+		);
+
+		$query = $this->wpdb->prepare(
+			"SELECT meta_value FROM {$this->wpdb->postmeta}
+			 WHERE meta_key = %s AND post_id IN( {$subquery} )",
+			$rating_key
+		);
+
+		$ratings = $this->wpdb->get_results( $query );
+
+		if ( $ratings ) {
+
+			$total = 0;
+			foreach ( $ratings as $rating ) {
+				$total += (int) $rating->meta_value;
+			}
+
+			$quantity = count( $ratings );
+			$average  = round( $total / $quantity, 1 );
+
+			update_post_meta( $post_id, self::QUANTITY_KEY, $quantity );
+			update_post_meta( $post_id, self::AVERAGE_KEY, $average );
+		} else {
+			delete_post_meta( $post_id, self::QUANTITY_KEY );
+			delete_post_meta( $post_id, self::AVERAGE_KEY );
+		}
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/utils/wpml-tf-translation-service.php

@@ -0,0 +1,35 @@
+<?php
+
+/**
+ * Class WPML_TF_Translation_Service
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_Translation_Service {
+
+	/** @var WPML_TP_Client_Factory $tp_client_factory */
+	private $tp_client_factory;
+	/**
+	 * WPML_TF_Translation_Service constructor.
+	 *
+	 * @param WPML_TP_Client_Factory $tp_client_factory
+	 */
+	public function __construct( WPML_TP_Client_Factory $tp_client_factory = null ) {
+		$this->tp_client_factory = $tp_client_factory;
+	}
+
+	/** @return bool */
+	public function allows_translation_feedback() {
+		if ( ! $this->tp_client_factory ) {
+			return true;
+		}
+
+		$translation_service = $this->tp_client_factory->create()->services()->get_active();
+
+		if ( isset( $translation_service->translation_feedback ) && ! $translation_service->translation_feedback ) {
+			return false;
+		}
+
+		return true;
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/views/wpml-tf-backend-feedback-list-view.php

@@ -0,0 +1,222 @@
+<?php
+
+use WPML\API\Sanitize;
+
+/**
+ * Class WPML_TF_Backend_Feedback_List_View
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_Backend_Feedback_List_View {
+
+	const TEMPLATE_FOLDER = '/templates/translation-feedback/backend/';
+	const TEMPLATE_NAME   = 'feedback-list-page.twig';
+	const ITEMS_PER_PAGE  = 20;
+
+	/** @var IWPML_Template_Service $template_service */
+	private $template_service;
+
+	/** @var WPML_TF_Feedback_Query $feedback_query */
+	private $feedback_query;
+
+	/** @var WPML_Admin_Pagination $pagination */
+	private $pagination;
+
+	/** @var WPML_Admin_Table_Sort $table_sort */
+	private $table_sort;
+
+	/** @var WPML_TF_Feedback_Page_Filter $page_filter */
+	private $page_filter;
+
+	/**
+	 * WPML_TF_Backend_Feedback_List_View constructor.
+	 *
+	 * @param IWPML_Template_Service       $template_service
+	 * @param WPML_TF_Feedback_Query       $feedback_query
+	 * @param WPML_Admin_Pagination        $pagination
+	 * @param WPML_Admin_Table_Sort        $table_sort
+	 * @param WPML_TF_Feedback_Page_Filter $page_filter
+	 */
+	public function __construct(
+		IWPML_Template_Service $template_service,
+		WPML_TF_Feedback_Query $feedback_query,
+		WPML_Admin_Pagination $pagination,
+		WPML_Admin_Table_Sort $table_sort,
+		WPML_TF_Feedback_Page_Filter $page_filter
+	) {
+		$this->template_service = $template_service;
+		$this->feedback_query   = $feedback_query;
+		$this->pagination       = $pagination;
+		$this->table_sort       = $table_sort;
+		$this->page_filter      = $page_filter;
+	}
+
+	/** @return string */
+	public function render_page() {
+		$args                = $this->parse_request_args();
+		$feedback_collection = $this->feedback_query->get( $args );
+
+		$model = array(
+			'strings'                => $this->get_strings(),
+			'columns'                => $this->get_columns(),
+			'pagination'             => $this->get_pagination( $args ),
+			'page_filters'           => $this->get_page_filters(),
+			'admin_page_hook'        => WPML_TF_Backend_Hooks::PAGE_HOOK,
+			'current_query'          => $this->get_current_query(),
+			'nonce'                  => wp_create_nonce( WPML_TF_Backend_Hooks::PAGE_HOOK ),
+			'ajax_action'            => WPML_TF_Backend_AJAX_Feedback_Edit_Hooks_Factory::AJAX_ACTION,
+			'ajax_nonce'             => wp_create_nonce( WPML_TF_Backend_AJAX_Feedback_Edit_Hooks_Factory::AJAX_ACTION ),
+			'has_admin_capabilities' => current_user_can( 'manage_options' ),
+			'is_in_trash'            => $this->feedback_query->is_in_trash(),
+			'feedback_collection'    => $feedback_collection,
+		);
+
+		return $this->template_service->show( $model, self::TEMPLATE_NAME );
+	}
+
+	/** @return array */
+	private function parse_request_args() {
+		$args = array(
+			'paged'          => 1,
+			'items_per_page' => self::ITEMS_PER_PAGE,
+		);
+
+		if ( isset( $_GET['paged'] ) ) {
+			$args['paged'] = filter_var( $_GET['paged'], FILTER_SANITIZE_NUMBER_INT );
+		}
+
+		if ( isset( $_GET['order'], $_GET['orderby'] ) ) {
+			$args['order']   = Sanitize::stringProp( 'order', $_GET );
+			$args['orderby'] = Sanitize::stringProp( 'orderby', $_GET );
+		}
+
+		if ( isset( $_GET['status'] ) ) {
+			$args['status'] = Sanitize::stringProp( 'status', $_GET );
+		} elseif ( isset( $_GET['language'] ) ) {
+			$args['language'] = Sanitize::stringProp( 'language', $_GET );
+		}
+
+		if ( isset( $_GET['post_id'] ) ) {
+			$args['post_id'] = filter_var( $_GET['post_id'], FILTER_SANITIZE_NUMBER_INT );
+		}
+
+		return $args;
+	}
+
+	/** @return array */
+	private function get_strings() {
+		$strings = array(
+			'page_title'    => __( 'Translation Feedback', 'sitepress' ),
+			'page_subtitle' => __( 'Issues with translations', 'sitepress' ),
+			'table_header'  => WPML_TF_Backend_Feedback_Row_View::get_columns_strings(),
+			'screen_reader' => array(
+				'select_all' => __( 'Select All', 'sitepress' ),
+			),
+			'pagination'    => array(
+				'list_navigation' => __( 'Feedback list navigation', 'sitepress' ),
+				'first_page'      => __( 'First page', 'sitepress' ),
+				'previous_page'   => __( 'Previous page', 'sitepress' ),
+				'next_page'       => __( 'Next page', 'sitepress' ),
+				'last_page'       => __( 'Last page', 'sitepress' ),
+				'current_page'    => __( 'Current page', 'sitepress' ),
+				'of'              => __( 'of', 'sitepress' ),
+			),
+			'bulk_actions'  => array(
+				'select'       => __( 'Select bulk action', 'sitepress' ),
+				'apply_button' => __( 'Apply', 'sitepress' ),
+				'options'      => array(
+					'-1'      => __( 'Bulk Actions', 'sitepress' ),
+					'fixed'   => __( 'Mark as fixed', 'sitepress' ),
+					'pending' => __( 'Mark as new', 'sitepress' ),
+					'trash'   => __( 'Move to trash', 'sitepress' ),
+
+				),
+			),
+			'row_summary'   => WPML_TF_Backend_Feedback_Row_View::get_summary_strings(),
+			'row_details'   => WPML_TF_Backend_Feedback_Row_View::get_details_strings(),
+			'no_feedback'   => __( 'No feedback found.', 'sitepress' ),
+		);
+
+		if ( $this->feedback_query->is_in_trash() ) {
+			$strings['bulk_actions']['options'] = array(
+				'-1'      => __( 'Bulk Actions', 'sitepress' ),
+				'untrash' => __( 'Restore', 'sitepress' ),
+				'delete'  => __( 'Delete permanently', 'sitepress' ),
+
+			);
+		}
+
+		return $strings;
+	}
+
+	/** @return array */
+	private function get_columns() {
+		$this->table_sort->set_primary_column( 'feedback' );
+
+		return array(
+			'feedback'     => array(
+				'url'     => $this->table_sort->get_column_url( 'feedback' ),
+				'classes' => $this->table_sort->get_column_classes( 'feedback' ),
+			),
+			'rating'       => array(
+				'url'     => $this->table_sort->get_column_url( 'rating' ),
+				'classes' => $this->table_sort->get_column_classes( 'rating' ),
+			),
+			'status'       => array(
+				'url'     => $this->table_sort->get_column_url( 'status' ),
+				'classes' => $this->table_sort->get_column_classes( 'status' ),
+			),
+			'document_url' => array(
+				'url'     => $this->table_sort->get_column_url( 'document_title' ),
+				'classes' => $this->table_sort->get_column_classes( 'document_title' ),
+			),
+			'date'         => array(
+				'url'     => $this->table_sort->get_column_url( 'date' ),
+				'classes' => $this->table_sort->get_column_classes( 'date' ),
+			),
+		);
+	}
+
+	/**
+	 * @param array $args
+	 *
+	 * @return array
+	 */
+	private function get_pagination( array $args ) {
+		$this->pagination->set_total_items( $this->feedback_query->get_filtered_items_count() );
+		$this->pagination->set_items_per_page( $args['items_per_page'] );
+		$this->pagination->set_current_page( $args['paged'] );
+
+		return array(
+			'first_page'    => $this->pagination->get_first_page_url(),
+			'previous_page' => $this->pagination->get_previous_page_url(),
+			'next_page'     => $this->pagination->get_next_page_url(),
+			'last_page'     => $this->pagination->get_last_page_url(),
+			'current_page'  => $this->pagination->get_current_page(),
+			'total_pages'   => $this->pagination->get_total_pages(),
+			'total_items'   => sprintf(
+				_n( '%s item', '%s items', $this->pagination->get_total_items() ),
+				$this->pagination->get_total_items()
+			),
+		);
+	}
+
+	/** @return array */
+	private function get_page_filters() {
+		$this->page_filter->populate_counters_and_labels();
+
+		return array(
+			'all_and_trash' => $this->page_filter->get_all_and_trash_data(),
+			'statuses'      => $this->page_filter->get_statuses_data(),
+			'languages'     => $this->page_filter->get_languages_data(),
+		);
+	}
+
+	/** @return array */
+	private function get_current_query() {
+		return array(
+			'filters' => $this->page_filter->get_current_filters(),
+			'sorters' => $this->table_sort->get_current_sorters(),
+		);
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/views/wpml-tf-backend-feedback-row-view.php

@@ -0,0 +1,98 @@
+<?php
+
+/**
+ * Class WPML_TF_Backend_Feedback_Row_View
+ */
+class WPML_TF_Backend_Feedback_Row_View {
+
+	const TEMPLATE_FOLDER  = '/templates/translation-feedback/backend/';
+	const SUMMARY_TEMPLATE = 'feedback-list-page-table-row.twig';
+	const DETAILS_TEMPLATE = 'feedback-list-page-table-row-details.twig';
+
+	/** @var IWPML_Template_Service $template_service */
+	private $template_service;
+
+	/**
+	 * WPML_TF_Backend_Feedback_Row_View constructor.
+	 *
+	 * @param IWPML_Template_Service $template_service
+	 */
+	public function __construct( IWPML_Template_Service $template_service ) {
+		$this->template_service = $template_service;
+	}
+
+	/** @param WPML_TF_Feedback $feedback */
+	public function render_summary_row( WPML_TF_Feedback $feedback ) {
+		$model = array(
+			'strings'                => self::get_summary_strings(),
+			'has_admin_capabilities' => current_user_can( 'manage_options' ),
+			'feedback'               => $feedback,
+		);
+
+		return $this->template_service->show( $model, self::SUMMARY_TEMPLATE );
+	}
+
+	/** @param WPML_TF_Feedback $feedback */
+	public function render_details_row( WPML_TF_Feedback $feedback ) {
+		$model = array(
+			'strings'                => self::get_details_strings(),
+			'has_admin_capabilities' => current_user_can( 'manage_options' ),
+			'feedback'               => $feedback,
+		);
+
+		return $this->template_service->show( $model, self::DETAILS_TEMPLATE );
+	}
+
+	/** @return array */
+	public static function get_columns_strings() {
+		return array(
+			'feedback' => __( 'Feedback', 'sitepress' ),
+			'rating'   => __( 'Rating', 'sitepress' ),
+			'status'   => __( 'Status', 'sitepress' ),
+			'document' => __( 'Translated post', 'sitepress' ),
+			'date'     => __( 'Date', 'sitepress' ),
+		);
+	}
+
+	/** @return array */
+	public static function get_summary_strings() {
+		return array(
+			'select_validation' => __( 'Select Validation', 'sitepress' ),
+			'inline_actions'    => array(
+				'review'    => __( 'Review', 'sitepress' ),
+				'trash'     => __( 'Trash', 'sitepress' ),
+				'view_post' => __( 'View post', 'sitepress' ),
+				'untrash'   => __( 'Restore', 'sitepress' ),
+				'delete'    => __( 'Delete permanently', 'sitepress' ),
+			),
+			'columns'           => self::get_columns_strings(),
+		);
+	}
+
+	/** @return array */
+	public static function get_details_strings() {
+		return array(
+			'title'                     => __( 'Translation Feedback', 'sitepress' ),
+			'translation'               => __( 'Translation:', 'sitepress' ),
+			'edit_translation'          => __( 'Edit translation', 'sitepress' ),
+			'original_post'             => __( 'Original post:', 'sitepress' ),
+			'rating'                    => __( 'Rating:', 'sitepress' ),
+			'feedback'                  => __( 'Feedback:', 'sitepress' ),
+			'edit_feedback'             => __( 'Edit feedback', 'sitepress' ),
+			'status'                    => __( 'Status:', 'sitepress' ),
+			'refresh_status'            => __( 'Check for updates', 'sitepress' ),
+			'translated_by'             => __( 'Translated by:', 'sitepress' ),
+			'corrected_by'              => __( 'Corrected by:', 'sitepress' ),
+			'reviewed_by'               => __( 'Reviewed by:', 'sitepress' ),
+			'add_note_to_translator'    => __( 'Add a note to the translator', 'sitepress' ),
+			'add_note_to_admin'         => __( 'Add a note to the administrator', 'sitepress' ),
+			'communication'             => __( 'Communication:', 'sitepress' ),
+			'reply_to_translator_label' => __( 'Reply to translator:', 'sitepress' ),
+			'reply_to_admin_label'      => __( 'Reply to admin:', 'sitepress' ),
+			'cancel_button'             => __( 'Cancel', 'sitepress' ),
+			'trash_button'              => __( 'Trash', 'sitepress' ),
+			'translation_fixed_button'  => __( 'Mark as fixed', 'sitepress' ),
+			'no_translator_available'   => __( 'No translator available for this language pair.', 'sitepress' ),
+		);
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/views/wpml-tf-backend-options-view.php

@@ -0,0 +1,292 @@
+<?php
+
+/**
+ * Class WPML_TF_Backend_Options_View
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_Backend_Options_View {
+
+	const TEMPLATE_FOLDER         = '/templates/translation-feedback/backend/';
+	const TEMPLATE                = 'options-ui.twig';
+	const MAX_EXPIRATION_QUANTITY = 10;
+
+	/** @var  IWPML_Template_Service $template_service */
+	private $template_service;
+
+	/** @var WPML_TF_Settings $settings */
+	private $settings;
+
+	/** @var SitePress $sitepress */
+	private $sitepress;
+
+	/**
+	 * WPML_TF_Frontend_Hooks constructor.
+	 *
+	 * @param IWPML_Template_Service $template_service
+	 * @param WPML_TF_Settings       $settings
+	 * @param SitePress              $sitepress
+	 */
+	public function __construct(
+		IWPML_Template_Service $template_service,
+		WPML_TF_Settings $settings,
+		SitePress $sitepress
+	) {
+		$this->template_service = $template_service;
+		$this->settings         = $settings;
+		$this->sitepress        = $sitepress;
+	}
+
+	/**
+	 * @return string
+	 */
+	public function render() {
+		$model = array(
+			'strings'               => self::get_strings(),
+			'action'                => WPML_TF_Backend_Options_AJAX_Hooks_Factory::AJAX_ACTION,
+			'nonce'                 => wp_create_nonce( WPML_TF_Backend_Options_AJAX_Hooks_Factory::AJAX_ACTION ),
+			'module_toggle'         => $this->get_module_toggle(),
+			'button_modes'          => $this->get_button_modes(),
+			'icon_styles'           => $this->get_icon_styles(),
+			'languages_to'          => $this->get_languages_to(),
+			'display_modes'         => $this->get_display_modes(),
+			'expiration_modes'      => $this->get_expiration_modes(),
+			'expiration_quantities' => $this->get_expiration_quantities(),
+			'expiration_units'      => $this->get_expiration_units(),
+		);
+
+		return $this->template_service->show( $model, self::TEMPLATE );
+	}
+
+	/**
+	 * @return array
+	 */
+	public static function get_strings() {
+		return array(
+			'section_title'              => __( 'Translation Feedback', 'sitepress' ),
+			'button_mode_section_title'  => __( 'Translation Feedback button on front-end:', 'sitepress' ),
+			'icon_style_section_title'   => __( 'Icon style:', 'sitepress' ),
+			'languages_to_section_title' => __( 'Show Translation Feedback module for these languages:', 'sitepress' ),
+			'expiration_section_title'   => __( 'Expiration date for Translation Feedback module:', 'sitepress' ),
+		);
+	}
+
+	/**
+	 * @return array
+	 */
+	private function get_module_toggle() {
+		return array(
+			'value'    => 1,
+			'label'    => __( 'Enable Translation Feedback module', 'sitepress' ),
+			'selected' => $this->settings->is_enabled(),
+		);
+	}
+
+	/**
+	 * @return array
+	 */
+	private function get_button_modes() {
+		$modes = array(
+			WPML_TF_Settings::BUTTON_MODE_LEFT     => array(
+				'value'    => WPML_TF_Settings::BUTTON_MODE_LEFT,
+				'label'    => __( 'Show on the left side of the screen', 'sitepress' ),
+				'selected' => false,
+			),
+			WPML_TF_Settings::BUTTON_MODE_RIGHT    => array(
+				'value'    => WPML_TF_Settings::BUTTON_MODE_RIGHT,
+				'label'    => __( 'Show on the right side of the screen', 'sitepress' ),
+				'selected' => false,
+			),
+			WPML_TF_Settings::BUTTON_MODE_CUSTOM   => array(
+				'value'    => WPML_TF_Settings::BUTTON_MODE_CUSTOM,
+				'label'    => __( 'I will add it manually (%1$sinstructions%2$s)', 'sitepress' ),
+				'link'     => 'https://wpml.org/wpml-hook/wpml_tf_feedback_open_link/?utm_source=plugin&utm_medium=gui&utm_campaign=wpmlcore',
+				'selected' => false,
+			),
+			WPML_TF_Settings::BUTTON_MODE_DISABLED => array(
+				'value'    => WPML_TF_Settings::BUTTON_MODE_DISABLED,
+				'label'    => __( 'Do not show it', 'sitepress' ),
+				'selected' => false,
+			),
+		);
+
+		if ( isset( $modes[ $this->settings->get_button_mode() ] ) ) {
+			$modes[ $this->settings->get_button_mode() ]['selected'] = true;
+		}
+
+		return $modes;
+	}
+
+	private function get_icon_styles() {
+		$css_classes = WPML_TF_Frontend_Feedback_View::get_icon_css_classes();
+
+		$styles = array(
+			WPML_TF_Settings::ICON_STYLE_LEGACY   => array(
+				'value'       => WPML_TF_Settings::ICON_STYLE_LEGACY,
+				'image_class' => $css_classes[ WPML_TF_Settings::ICON_STYLE_LEGACY ],
+				'selected'    => false,
+			),
+			WPML_TF_Settings::ICON_STYLE_STAR     => array(
+				'value'       => WPML_TF_Settings::ICON_STYLE_STAR,
+				'image_class' => $css_classes[ WPML_TF_Settings::ICON_STYLE_STAR ],
+				'selected'    => false,
+			),
+			WPML_TF_Settings::ICON_STYLE_THUMBSUP => array(
+				'value'       => WPML_TF_Settings::ICON_STYLE_THUMBSUP,
+				'image_class' => $css_classes[ WPML_TF_Settings::ICON_STYLE_THUMBSUP ],
+				'selected'    => false,
+			),
+			WPML_TF_Settings::ICON_STYLE_BULLHORN => array(
+				'value'       => WPML_TF_Settings::ICON_STYLE_BULLHORN,
+				'image_class' => $css_classes[ WPML_TF_Settings::ICON_STYLE_BULLHORN ],
+				'selected'    => false,
+			),
+			WPML_TF_Settings::ICON_STYLE_COMMENT  => array(
+				'value'       => WPML_TF_Settings::ICON_STYLE_COMMENT,
+				'image_class' => $css_classes[ WPML_TF_Settings::ICON_STYLE_COMMENT ],
+				'selected'    => false,
+			),
+			WPML_TF_Settings::ICON_STYLE_QUOTE    => array(
+				'value'       => WPML_TF_Settings::ICON_STYLE_QUOTE,
+				'image_class' => $css_classes[ WPML_TF_Settings::ICON_STYLE_QUOTE ],
+				'selected'    => false,
+			),
+		);
+
+		if ( isset( $styles[ $this->settings->get_icon_style() ] ) ) {
+			$styles[ $this->settings->get_icon_style() ]['selected'] = true;
+		}
+
+		return $styles;
+	}
+
+	/**
+	 * @return array
+	 */
+	private function get_languages_to() {
+		$languages_to      = array();
+		$active_languages  = $this->sitepress->get_active_languages();
+		$allowed_languages = $this->settings->get_languages_to();
+
+		if ( null === $allowed_languages ) {
+			$allowed_languages = array_keys( $active_languages );
+		}
+
+		foreach ( $active_languages as $code => $language ) {
+			$languages_to[ $code ] = array(
+				'value'    => $code,
+				'label'    => $language['display_name'],
+				'flag_url' => $this->sitepress->get_flag_url( $code ),
+				'selected' => false,
+			);
+
+			if ( in_array( $code, $allowed_languages ) ) {
+				$languages_to[ $code ]['selected'] = true;
+			}
+		}
+
+		return $languages_to;
+	}
+
+	/**
+	 * @return array
+	 */
+	private function get_display_modes() {
+		$modes = array(
+			WPML_TF_Settings::DISPLAY_CUSTOM => array(
+				'value'    => WPML_TF_Settings::DISPLAY_CUSTOM,
+				'label'    => esc_html__( 'Ask for feedback about translated content that was %1$s in the last %2$s %3$s', 'sitepress' ),
+				'selected' => false,
+			),
+			WPML_TF_Settings::DISPLAY_ALWAYS => array(
+				'value'    => WPML_TF_Settings::DISPLAY_ALWAYS,
+				'label'    => __( 'Always ask for feedback (no time limit for feedback)', 'sitepress' ),
+				'selected' => false,
+			),
+		);
+
+		if ( isset( $modes[ $this->settings->get_display_mode() ] ) ) {
+			$modes[ $this->settings->get_display_mode() ]['selected'] = true;
+		}
+
+		return $modes;
+	}
+
+	/**
+	 * @return array
+	 */
+	private function get_expiration_modes() {
+		$modes = array(
+			WPML_TF_Settings::EXPIRATION_ON_PUBLISH_OR_UPDATE => array(
+				'value'    => WPML_TF_Settings::EXPIRATION_ON_PUBLISH_OR_UPDATE,
+				'label'    => __( 'published or updated', 'sitepress' ),
+				'selected' => false,
+			),
+			WPML_TF_Settings::EXPIRATION_ON_PUBLISH_ONLY => array(
+				'value'    => WPML_TF_Settings::EXPIRATION_ON_PUBLISH_ONLY,
+				'label'    => __( 'published', 'sitepress' ),
+				'selected' => false,
+			),
+			WPML_TF_Settings::EXPIRATION_ON_UPDATE_ONLY  => array(
+				'value'    => WPML_TF_Settings::EXPIRATION_ON_UPDATE_ONLY,
+				'label'    => __( 'updated', 'sitepress' ),
+				'selected' => false,
+			),
+		);
+
+		if ( isset( $modes[ $this->settings->get_expiration_mode() ] ) ) {
+			$modes[ $this->settings->get_expiration_mode() ]['selected'] = true;
+		}
+
+		return $modes;
+	}
+
+	/**
+	 * @return array
+	 */
+	private function get_expiration_quantities() {
+		$quantities = array();
+
+		for ( $i = 1; $i < self::MAX_EXPIRATION_QUANTITY + 1; $i++ ) {
+			$quantities[ $i ] = array(
+				'value'    => $i,
+				'selected' => false,
+			);
+		}
+
+		if ( isset( $quantities[ $this->settings->get_expiration_delay_quantity() ] ) ) {
+			$quantities[ $this->settings->get_expiration_delay_quantity() ]['selected'] = true;
+		}
+
+		return $quantities;
+	}
+
+	/**
+	 * @return array
+	 */
+	private function get_expiration_units() {
+		$units = array(
+			WPML_TF_Settings::DELAY_DAY   => array(
+				'value'    => WPML_TF_Settings::DELAY_DAY,
+				'label'    => __( 'day(s)', 'sitepress' ),
+				'selected' => false,
+			),
+			WPML_TF_Settings::DELAY_WEEK  => array(
+				'value'    => WPML_TF_Settings::DELAY_WEEK,
+				'label'    => __( 'week(s)', 'sitepress' ),
+				'selected' => false,
+			),
+			WPML_TF_Settings::DELAY_MONTH => array(
+				'value'    => WPML_TF_Settings::DELAY_MONTH,
+				'label'    => __( 'month(s)', 'sitepress' ),
+				'selected' => false,
+			),
+		);
+
+		if ( isset( $units[ $this->settings->get_expiration_delay_unit() ] ) ) {
+			$units[ $this->settings->get_expiration_delay_unit() ]['selected'] = true;
+		}
+
+		return $units;
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/views/wpml-tf-frontend-feedback-view.php

@@ -0,0 +1,159 @@
+<?php
+
+/**
+ * Class WPML_TF_Frontend_Feedback_View
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_Frontend_Feedback_View {
+
+	const TEMPLATE_FOLDER           = '/templates/translation-feedback/frontend/';
+	const FORM_TEMPLATE             = 'feedback-form.twig';
+	const OPEN_TEMPLATE             = 'feedback-open-button.twig';
+	const CUSTOM_OPEN_LINK_TEMPLATE = 'feedback-custom-open-link.twig';
+	const JS_OPEN_NODE_CLASS        = 'js-wpml-tf-feedback-icon';
+
+	/** @var  IWPML_Template_Service $template_service */
+	private $template_service;
+
+	/** @var SitePress $sitepress */
+	private $sitepress;
+
+	/** @var WPML_Queried_Object $queried_object */
+	private $queried_object;
+
+	/** @var WPML_TF_Settings $settings */
+	private $settings;
+
+	/**
+	 * WPML_TF_Frontend_Hooks constructor.
+	 *
+	 * @param IWPML_Template_Service $template_service
+	 * @param SitePress              $sitepress
+	 * @param WPML_Queried_Object    $queried_object
+	 * @param WPML_TF_Settings       $settings
+	 */
+	public function __construct(
+		IWPML_Template_Service $template_service,
+		SitePress $sitepress,
+		WPML_Queried_Object $queried_object,
+		WPML_TF_Settings $settings
+	) {
+		$this->template_service = $template_service;
+		$this->sitepress        = $sitepress;
+		$this->queried_object   = $queried_object;
+		$this->settings         = $settings;
+	}
+
+	/**
+	 * @return string
+	 */
+	public function render_form() {
+		$model = array(
+			'strings'       => array(
+				'dialog_title'      => __( 'Rate translation', 'sitepress' ),
+				'thank_you_rating'  => __( 'Thank you for your rating!', 'sitepress' ),
+				'thank_you_comment' => __( 'Thank you for your rating and comment!', 'sitepress' ),
+				'translated_from'   => __( 'This page was translated from:', 'sitepress' ),
+				'please_rate'       => __( 'Please rate this translation:', 'sitepress' ),
+				'your_rating'       => __( 'Your rating:', 'sitepress' ),
+				'star5_title'       => __( 'It is perfect!', 'sitepress' ),
+				'star4_title'       => __( 'It is OK', 'sitepress' ),
+				'star3_title'       => __( 'It could be improved', 'sitepress' ),
+				'star2_title'       => __( 'I can see a lot of language errors', 'sitepress' ),
+				'star1_title'       => __( "I can't understand anything", 'sitepress' ),
+				'change_rating'     => __( 'Change', 'sitepress' ),
+				'error_examples'    => __( 'Please give some examples of errors and how would you improve them:', 'sitepress' ),
+				'send_button'       => __( 'Send', 'sitepress' ),
+				'honeypot_label'    => __( 'If you are a human, do not fill in this field.', 'sitepress' ),
+			),
+			'flag_url'      => $this->sitepress->get_flag_url( $this->queried_object->get_source_language_code() ),
+			'language_name' => $this->sitepress->get_display_language_name( $this->queried_object->get_source_language_code() ),
+			'document_id'   => $this->queried_object->get_id(),
+			'document_type' => $this->queried_object->get_element_type(),
+			'action'        => WPML_TF_Frontend_AJAX_Hooks_Factory::AJAX_ACTION,
+			'nonce'         => wp_create_nonce( WPML_TF_Frontend_AJAX_Hooks_Factory::AJAX_ACTION ),
+			'source_url'    => $this->queried_object->get_source_url(),
+		);
+
+		return $this->template_service->show( $model, self::FORM_TEMPLATE );
+	}
+
+	/**
+	 * @return string
+	 */
+	public function render_open_button() {
+		$rendering = '';
+
+		if ( WPML_TF_Settings::BUTTON_MODE_CUSTOM !== $this->settings->get_button_mode() ) {
+			$model = array(
+				'strings'             => array(
+					'form_open_title' => __( 'Rate translation of this page', 'sitepress' ),
+				),
+				'wrapper_css_classes' => $this->get_wrapper_css_classes(),
+				'icon_css_class'      => $this->get_icon_css_class(),
+			);
+
+			$rendering = $this->template_service->show( $model, self::OPEN_TEMPLATE );
+		}
+
+		return $rendering;
+	}
+
+	/** @return string */
+	private function get_wrapper_css_classes() {
+		$base_classes = self::JS_OPEN_NODE_CLASS . ' wpml-tf-feedback-icon ';
+		$class        = $base_classes . 'wpml-tf-feedback-icon-left';
+
+		if ( WPML_TF_Settings::BUTTON_MODE_RIGHT === $this->settings->get_button_mode() ) {
+			$class = $base_classes . 'wpml-tf-feedback-icon-right';
+		}
+
+		return $class;
+	}
+
+	/** @return string */
+	private function get_icon_css_class() {
+		$icon_style  = $this->settings->get_icon_style();
+		$css_classes = self::get_icon_css_classes();
+
+		if ( array_key_exists( $icon_style, $css_classes ) ) {
+			return $css_classes[ $icon_style ];
+		}
+
+		return $css_classes[ WPML_TF_Settings::ICON_STYLE_LEGACY ];
+	}
+
+	/**
+	 * @param string|array $args
+	 *
+	 * @return string
+	 */
+	public function render_custom_open_link( $args ) {
+		$model = wp_parse_args( $args, self::get_default_arguments_for_open_link() );
+
+		$model['classes'] = self::JS_OPEN_NODE_CLASS . ' ' . $model['classes'];
+
+		return $this->template_service->show( $model, self::CUSTOM_OPEN_LINK_TEMPLATE );
+	}
+
+	/** @return array */
+	public static function get_default_arguments_for_open_link() {
+		return array(
+			'title'   => __( 'Rate translation of this page', 'sitepress' ),
+			'classes' => 'wpml-tf-feedback-custom-link',
+		);
+	}
+
+	/** @return array */
+	public static function get_icon_css_classes() {
+		return array(
+			WPML_TF_Settings::ICON_STYLE_LEGACY   => 'otgs-ico-translation',
+			WPML_TF_Settings::ICON_STYLE_STAR     => 'otgs-ico-star',
+			WPML_TF_Settings::ICON_STYLE_THUMBSUP => 'otgs-ico-thumbsup',
+			WPML_TF_Settings::ICON_STYLE_BULLHORN => 'otgs-ico-bullhorn',
+			WPML_TF_Settings::ICON_STYLE_COMMENT  => 'otgs-ico-comment',
+			WPML_TF_Settings::ICON_STYLE_QUOTE    => 'otgs-ico-quote',
+		);
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/wpml-tf-module.php

@@ -0,0 +1,59 @@
+<?php
+
+/**
+ * Class WPML_TF_Module
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_Module {
+
+	/** @var WPML_Action_Filter_Loader $action_filter_loader */
+	private $action_filter_loader;
+
+	/** @var WPML_TF_Settings $settings */
+	private $settings;
+
+	/**
+	 * WPML_TF_Module constructor.
+	 *
+	 * @param WPML_Action_Filter_Loader $action_filter_loader
+	 * @param IWPML_TF_Settings         $settings
+	 */
+	public function __construct( WPML_Action_Filter_Loader $action_filter_loader, IWPML_TF_Settings $settings ) {
+		$this->action_filter_loader = $action_filter_loader;
+		$this->settings             = $settings;
+	}
+
+	public function run() {
+		$this->action_filter_loader->load( $this->get_actions_to_load_always() );
+
+		if ( $this->settings->is_enabled() ) {
+			$this->action_filter_loader->load( $this->get_actions_to_load_when_module_enabled() );
+		}
+	}
+
+	/**
+	 * @return array
+	 */
+	private function get_actions_to_load_always() {
+		return array(
+			'WPML_TF_Backend_Options_Hooks_Factory',
+			'WPML_TF_Backend_Options_AJAX_Hooks_Factory',
+			'WPML_TF_Backend_Promote_Hooks_Factory',
+		);
+	}
+
+	/**
+	 * @return array
+	 */
+	private function get_actions_to_load_when_module_enabled() {
+		return array(
+			'WPML_TF_Common_Hooks_Factory',
+			'WPML_TF_Backend_Hooks_Factory',
+			'WPML_TF_Frontend_Hooks_Factory',
+			'WPML_TF_Frontend_AJAX_Hooks_Factory',
+			'WPML_TF_Backend_AJAX_Feedback_Edit_Hooks_Factory',
+			'WPML_TF_Backend_Post_List_Hooks_Factory',
+		);
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/wpml-tm-tf-module.php

@@ -0,0 +1,56 @@
+<?php
+
+/**
+ * Class WPML_TM_TF_Module
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TM_TF_Module {
+
+	/** @var WPML_Action_Filter_Loader $action_filter_loader */
+	private $action_filter_loader;
+
+	/** @var WPML_TF_Settings $settings */
+	private $settings;
+
+	/**
+	 * WPML_TF_Module constructor.
+	 *
+	 * @param WPML_Action_Filter_Loader $action_filter_loader
+	 * @param WPML_TF_Settings          $settings
+	 */
+	public function __construct( WPML_Action_Filter_Loader $action_filter_loader, WPML_TF_Settings $settings ) {
+		$this->action_filter_loader = $action_filter_loader;
+		$this->settings             = $settings;
+	}
+
+	public function run() {
+		$this->action_filter_loader->load( $this->get_actions_to_load_always() );
+
+		if ( $this->settings->is_enabled() ) {
+			$this->action_filter_loader->load( $this->get_actions_to_load_when_module_enabled() );
+		}
+	}
+
+	/**
+	 * @return array
+	 */
+	private function get_actions_to_load_always() {
+		return array(
+			'WPML_TF_WP_Cron_Events_Factory',
+		);
+	}
+
+	/**
+	 * @return array
+	 */
+	private function get_actions_to_load_when_module_enabled() {
+		return array(
+			'WPML_TF_XML_RPC_Hooks_Factory',
+			'WPML_TF_Translation_Service_Change_Hooks_Factory',
+			'WPML_TF_Translation_Queue_Hooks_Factory',
+			'WPML_TM_TF_Feedback_List_Hooks_Factory',
+			'WPML_TM_TF_AJAX_Feedback_List_Hooks_Factory',
+		);
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-feedback/xml-rpc/wpml-tf-xml-rpc-feedback-update.php

@@ -0,0 +1,72 @@
+<?php
+
+/**
+ * Class WPML_TF_XML_RPC_Feedback_Update
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_TF_XML_RPC_Feedback_Update {
+
+	/** @var WPML_TF_Data_Object_Storage $feedback_storage */
+	private $feedback_storage;
+
+	/** @var WPML_TP_Project $tp_project */
+	private $tp_project;
+
+	public function __construct( WPML_TF_Data_Object_Storage $feedback_storage, WPML_TP_Project $tp_project ) {
+		$this->feedback_storage = $feedback_storage;
+		$this->tp_project       = $tp_project;
+	}
+
+	public function set_status( array $args ) {
+		if ( $this->valid_arguments( $args ) ) {
+			$feedback = $this->get_feedback( $args['feedback']['id'] );
+
+			if ( $feedback ) {
+				/** @var WPML_TF_Feedback $feedback */
+				$feedback->set_status( $args['feedback']['status'] );
+				$this->feedback_storage->persist( $feedback );
+			}
+		}
+	}
+
+	/**
+	 * @param array $args
+	 *
+	 * @return bool
+	 */
+	private function valid_arguments( array $args ) {
+		$valid = false;
+
+		if ( isset( $args['feedback']['id'], $args['feedback']['status'], $args['authorization_hash'] ) ) {
+			$expected_hash = sha1( $this->tp_project->get_id() . $this->tp_project->get_access_key() . $args['feedback']['id'] );
+
+			if ( $expected_hash === $args['authorization_hash'] ) {
+				$valid = true;
+			}
+		}
+
+		return $valid;
+	}
+
+	/**
+	 * @param int $tp_feedback_id
+	 *
+	 * @return null|WPML_TF_Feedback
+	 */
+	private function get_feedback( $tp_feedback_id ) {
+		$feedback    = null;
+		$filter_args = array(
+			'tp_feedback_id' => $tp_feedback_id,
+		);
+
+		$collection_filter = new WPML_TF_Feedback_Collection_Filter( $filter_args );
+		$collection        = $this->feedback_storage->get_collection( $collection_filter );
+
+		if ( $collection->count() ) {
+			$feedback = $collection->current();
+		}
+
+		return $feedback;
+	}
+}