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<?php |
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/** |
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* Handle Comment Integration: add a checkbox to the comments area. |
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* |
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* @since 6.0.0 |
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*/ |
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// Prevent direct access to the file. |
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defined( 'ABSPATH' ) || die( esc_html_e( "Whoops, you shouldn't be accessing this file directly. Abort!", 'yikes-inc-easy-mailchimp-extender' ) ); |
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/** |
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* Handle Comment Integration. |
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*/ |
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class Yikes_Easy_MC_Comment_Checkbox_Class extends Yikes_Easy_MC_Checkbox_Integration_Class { |
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/** |
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* The integration type. |
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* |
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* @var string $type |
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*/ |
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protected $type = 'comment_form'; |
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/** |
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* Constructor. |
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*/ |
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public function __construct() { |
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add_action( 'comment_post', array( $this, 'subscribe_from_comment' ), 40, 3 ); |
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add_action( 'init', array( $this, 'init' ) ); |
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} |
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/** |
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* Allows us to filter the filter that we're adding. |
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*/ |
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public function init() { |
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/** |
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* Decide the placement of the subscription checkbox. Default ('comment_form_field_comment') is after the "Comment" box. |
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* |
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* @return string The name of a WP comment field's filter |
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*/ |
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$checkbox_placement = apply_filters( 'yikes-mailchimp-wp-comment-integration-placement', 'comment_form_field_comment' ); |
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add_filter( $checkbox_placement, array( $this, 'output_checkbox' ), 10, 1 ); |
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} |
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/** |
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* Outputs a checkbox, if user is not already subscribed |
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* |
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* @param string $comment_field The content of the comment textarea field. |
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*/ |
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public function output_checkbox( $comment_field ) { |
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if ( $this->is_user_already_subscribed( $this->type ) ) { |
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return $comment_field; |
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} |
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return $comment_field . $this->yikes_get_checkbox(); |
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} |
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/** |
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* Subscribe the user if they so chose. |
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* |
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* @param int $comment_id The comment's ID. |
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* @param string $comment_approved The comment's status. |
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* @param array $comment_data The comment data. |
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*/ |
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public function subscribe_from_comment( $comment_id, $comment_approved, $comment_data ) { |
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if ( false === $this->was_checkbox_checked( $this->type ) ) { |
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return false; |
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} |
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// Is this a spam comment? |
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if ( 'spam' === $comment_approved ) { |
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return false; |
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} |
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// Create merge variables based on comment data. |
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$merge_vars = array( |
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'FNAME' => $comment_data['comment_author'], |
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'OPTIN_IP' => $comment_data['comment_author_IP'], |
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); |
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$addl_vars = apply_filters( 'yikes_mailchimp_checkbox_integration_additional_vars', array( 'comment_data' => $comment_data ), $this->type ); |
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// Subscribe the user. |
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$this->subscribe_user_integration( $comment_data['comment_author_email'], $this->type, $merge_vars, $addl_vars ); |
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} |
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} |
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$yikes_easy_mc_comment_checkbox_class = new Yikes_Easy_MC_Comment_Checkbox_Class(); |
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yikesinc /
yikes-inc-easy-mailchimp-extender
