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wp-content/plugins/mailchimp-for-wp/includes/forms/class-form-manager.php

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+<?php
+
+/**
+ * This class takes care of all form related functionality
+ *
+ * Do not interact with this class directly, use `mc4wp_form` functions tagged with @access public instead.
+ *
+ * @class MC4WP_Form_Manager
+ * @ignore
+ * @access private
+*/
+class MC4WP_Form_Manager {
+
+
+	/**
+	 * @var MC4WP_Form_Output_Manager
+	 */
+	protected $output_manager;
+
+	/**
+	 * @var MC4WP_Form_Listener
+	 */
+	protected $listener;
+
+	/**
+	 * @var MC4WP_Form_Tags
+	 */
+	protected $tags;
+
+	/**
+	* @var MC4WP_Form_Previewer
+	*/
+	protected $previewer;
+
+	/**
+	 * @var MC4WP_Google_Recaptcha
+	 */
+	protected $recaptcha;
+
+	/**
+	 * @var MC4WP_Form_Asset_Manager
+	 */
+	protected $assets;
+
+	/**
+	 * @var MC4WP_Form_AMP
+	 */
+	protected $amp_compatibility;
+
+	/**
+	 * Constructor
+	 */
+	public function __construct() {
+		$this->output_manager    = new MC4WP_Form_Output_Manager();
+		$this->tags              = new MC4WP_Form_Tags();
+		$this->listener          = new MC4WP_Form_Listener();
+		$this->previewer         = new MC4WP_Form_Previewer();
+		$this->recaptcha         = new MC4WP_Google_Recaptcha();
+		$this->assets            = new MC4WP_Form_Asset_Manager();
+		$this->amp_compatibility = new MC4WP_Form_AMP();
+	}
+
+	/**
+	 * Hook!
+	 */
+	public function add_hooks() {
+		add_action( 'init', array( $this, 'initialize' ) );
+		add_action( 'widgets_init', array( $this, 'register_widget' ) );
+		add_action( 'rest_api_init', array( $this, 'register_endpoint' ) );
+
+		$this->listener->add_hooks();
+		$this->output_manager->add_hooks();
+		$this->assets->add_hooks();
+		$this->tags->add_hooks();
+		$this->previewer->add_hooks();
+		$this->recaptcha->add_hooks();
+		$this->amp_compatibility->add_hooks();
+	}
+
+	/**
+	 * Initialize
+	 */
+	public function initialize() {
+		$this->register_post_type();
+		$this->register_block_type();
+	}
+
+	private function register_block_type() {
+		// Bail if register_block_type does not exist (available since WP 5.0)
+		if ( ! function_exists( 'register_block_type' ) ) {
+			return;
+		}
+
+		register_block_type(
+			'mailchimp-for-wp/form',
+			array(
+				'render_callback' => array( $this->output_manager, 'shortcode' ),
+			)
+		);
+	}
+
+	/**
+	 * Register post type "mc4wp-form"
+	 */
+	private function register_post_type() {
+		// register post type
+		register_post_type(
+			'mc4wp-form',
+			array(
+				'labels' => array(
+					'name'          => 'Mailchimp Sign-up Forms',
+					'singular_name' => 'Sign-up Form',
+				),
+				'public' => false,
+			)
+		);
+	}
+
+	/**
+	 * Register our Form widget
+	 */
+	public function register_widget() {
+		register_widget( 'MC4WP_Form_Widget' );
+	}
+
+	/**
+	 * Register an API endpoint for handling a form.
+	 */
+	public function register_endpoint() {
+		register_rest_route(
+			'mc4wp/v1',
+			'/form',
+			array(
+				'methods'  => 'POST',
+				'permission_callback' => '__return_true',
+				'callback' => array( $this, 'handle_endpoint' ),
+			)
+		);
+	}
+
+	/**
+	 * Process requests to the form endpoint.
+	 *
+	 * A listener checks every request for a form submit, so we just need to fetch the listener and get its status.
+	 */
+	public function handle_endpoint() {
+		$form = mc4wp_get_submitted_form();
+		if ( ! $form instanceof MC4WP_Form ) {
+			return new WP_Error(
+				'not_found',
+				esc_html__( 'Resource does not exist.', 'mailchimp-for-wp' ),
+				array(
+					'status' => 404,
+				)
+			);
+		}
+
+		if ( $form->has_errors() ) {
+			$message_key = $form->errors[0];
+			$message     = $form->get_message( $message_key );
+			return new WP_Error(
+				$message_key,
+				$message,
+				array(
+				'status' => 400,
+				)
+			);
+		}
+
+		return new WP_REST_Response( true, 200 );
+	}
+
+	/**
+	 * @param       $form_id
+	 * @param array $config
+	 * @param bool  $echo
+	 *
+	 * @return string
+	 */
+	public function output_form( $form_id, $config = array(), $echo = true ) {
+		return $this->output_manager->output_form( $form_id, $config, $echo );
+	}
+
+	/**
+	 * Gets the currently submitted form
+	 *
+	 * @return MC4WP_Form|null
+	 */
+	public function get_submitted_form() {
+		if ( $this->listener->submitted_form instanceof MC4WP_Form ) {
+			return $this->listener->submitted_form;
+		}
+
+		return null;
+	}
+
+	/**
+	 * Return all tags
+	 *
+	 * @return array
+	 */
+	public function get_tags() {
+		return $this->tags->all();
+	}
+}