first commit

wp-content/plugins/mailchimp-for-wp/integrations/wp-comment-form/class-comment-form.php

@@ -0,0 +1,116 @@
+<?php
+
+defined( 'ABSPATH' ) or exit;
+
+/**
+ * Class MC4WP_Comment_Form_Integration
+ *
+ * @ignore
+ */
+class MC4WP_Comment_Form_Integration extends MC4WP_Integration {
+
+
+	/**
+	 * @var bool
+	 */
+	protected $added_through_filter = false;
+
+	/**
+	 * @var string
+	 */
+	public $name = 'Comment Form';
+
+	/**
+	 * @var string
+	 */
+	public $description = 'Subscribes people from your WordPress comment form.';
+
+	/**
+	 * Add hooks
+	 */
+	public function add_hooks() {
+		if ( ! $this->options['implicit'] ) {
+			// hooks for outputting the checkbox
+			add_filter( 'comment_form_submit_field', array( $this, 'add_checkbox_before_submit_button' ), 90 );
+
+			add_action( 'thesis_hook_after_comment_box', array( $this, 'maybe_output_checkbox' ), 90 );
+			add_action( 'comment_form', array( $this, 'maybe_output_checkbox' ), 90 );
+		}
+
+		// hooks for checking if we should subscribe the commenter
+		add_action( 'comment_post', array( $this, 'subscribe_from_comment' ), 40, 2 );
+	}
+
+	/**
+	 * This adds the checkbox just before the submit button and sets a flag to prevent it from outputting twice
+	 *
+	 * @param $submit_button_html
+	 *
+	 * @return string
+	 */
+	public function add_checkbox_before_submit_button( $submit_button_html ) {
+		$this->added_through_filter = true;
+		return $this->get_checkbox_html() . $submit_button_html;
+	}
+
+	/**
+	 * Output fallback
+	 * Will output the checkbox if comment_form() function does not use `comment_form_submit_field` filter yet.
+	 */
+	public function maybe_output_checkbox() {
+		if ( ! $this->added_through_filter ) {
+			$this->output_checkbox();
+		}
+	}
+
+	/**
+	 * Grabs data from WP Comment Form
+	 *
+	 * @param int    $comment_id
+	 * @param string $comment_approved
+	 *
+	 * @return bool|string
+	 */
+	public function subscribe_from_comment( $comment_id, $comment_approved = '' ) {
+
+		// was sign-up checkbox checked?
+		if ( ! $this->triggered() ) {
+			return false;
+		}
+
+		// is this a spam comment?
+		if ( $comment_approved === 'spam' ) {
+			return false;
+		}
+
+		$comment = get_comment( $comment_id );
+
+		$data = array(
+			'EMAIL'    => $comment->comment_author_email,
+			'NAME'     => $comment->comment_author,
+			'OPTIN_IP' => $comment->comment_author_IP,
+		);
+
+		return $this->subscribe( $data, $comment_id );
+	}
+
+	/**
+	 * @return bool
+	 */
+	public function is_installed() {
+		return true;
+	}
+
+	/**
+	 * {@inheritdoc }
+	 */
+	public function get_object_link( $object_id ) {
+		$comment = get_comment( $object_id );
+
+		if ( ! $comment ) {
+			return '';
+		}
+
+		return sprintf( '<a href="%s">Comment #%d</a>', get_edit_comment_link( $object_id ), $object_id );
+	}
+}