547 lines
18 KiB
PHP
547 lines
18 KiB
PHP
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<?php
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/**
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* Backwards Compatibility Handler for Discounts.
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*
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* @package EDD
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* @subpackage Compat
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* @copyright Copyright (c) 2018, Easy Digital Downloads, LLC
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* @license http://opensource.org/licenses/gpl-2.0.php GNU Public License
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* @since 3.0
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*/
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namespace EDD\Compat;
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// Exit if accessed directly
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defined( 'ABSPATH' ) || exit;
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/**
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* Customer Class.
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*
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* @since 3.0
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*/
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class Discount extends Base {
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/**
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* Holds the component for which we are handling back-compat. There is a chance that two methods have the same name
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* and need to be dispatched to completely other methods. When a new instance of Back_Compat is created, a component
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* can be passed to the constructor which will allow __call() to dispatch to the correct methods.
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*
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* @since 3.0
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* @access protected
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* @var string
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*/
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protected $component = 'discount';
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/**
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* Backwards compatibility hooks for discounts.
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*
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* @since 3.0
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* @access protected
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*/
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protected function hooks() {
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/** Actions **********************************************************/
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add_action( 'pre_get_posts', array( $this, 'pre_get_posts' ), 99, 1 );
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/** Filters **********************************************************/
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add_filter( 'query', array( $this, 'wp_count_posts' ), 10, 1 );
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add_filter( 'get_post_metadata', array( $this, 'get_post_metadata' ), 99, 4 );
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add_filter( 'update_post_metadata', array( $this, 'update_post_metadata' ), 99, 5 );
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add_filter( 'add_post_metadata', array( $this, 'update_post_metadata' ), 99, 5 );
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add_filter( 'posts_results', array( $this, 'posts_results' ), 10, 2 );
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add_filter( 'posts_request', array( $this, 'posts_request' ), 10, 2 );
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}
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/**
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* Add a message for anyone to trying to get payments via get_post/get_posts/WP_Query.
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* Force filters to run for all queries that have `edd_discount` as the post type.
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*
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* This is here for backwards compatibility purposes with the migration to custom tables in EDD 3.0.
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*
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* @since 3.0
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*
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* @param \WP_Query $query
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*/
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public function pre_get_posts( $query ) {
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global $wpdb;
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// Bail if not a discount
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if ( 'edd_discount' !== $query->get( 'post_type' ) ) {
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return;
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}
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// Force filters to run
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$query->set( 'suppress_filters', false );
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// Setup doing-it-wrong message
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$message = sprintf(
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__( 'As of Easy Digital Downloads 3.0, discounts no longer exist in the %1$s table. They have been migrated to %2$s. Discounts should be accessed using %3$s, %4$s or instantiating a new instance of %5$s. See %6$s for more information.', 'easy-digital-downloads' ),
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'<code>' . $wpdb->posts . '</code>',
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'<code>' . edd_get_component_interface( 'adjustment', 'table' )->table_name . '</code>',
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'<code>edd_get_discounts()</code>',
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'<code>edd_get_discount()</code>',
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'<code>EDD_Discount</code>',
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'https://easydigitaldownloads.com/development/'
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);
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_doing_it_wrong( 'get_posts()/get_post()', $message, '3.0' );
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}
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/**
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* Backwards compatibility layer for wp_count_posts().
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*
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* @since 3.0
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*
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* @param string $query SQL query.
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* @return string $request Rewritten SQL query.
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*/
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public function wp_count_posts( $query ) {
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global $wpdb;
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$expected = "SELECT post_status, COUNT( * ) AS num_posts FROM {$wpdb->posts} WHERE post_type = 'edd_discount' GROUP BY post_status";
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if ( $expected === $query ) {
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$query = "SELECT status AS post_status, COUNT( * ) AS num_posts FROM {$wpdb->edd_adjustments} WHERE type = 'discount' GROUP BY post_status";
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}
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return $query;
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}
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/**
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* Fill the returned WP_Post objects with the data from the discounts table.
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*
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* @since 3.0
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*
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* @param array $posts Posts returned from the SQL query.
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* @param \WP_Query $query Instance of WP_Query.
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*
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* @return array New WP_Post objects.
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*/
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public function posts_results( $posts, $query ) {
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if ( 'posts_results' !== current_filter() ) {
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$message = __( 'This function is not meant to be called directly. It is only here for backwards compatibility purposes.', 'easy-digital-downloads' );
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_doing_it_wrong( __FUNCTION__, esc_html( $message ), 'EDD 3.0' );
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}
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if ( 'edd_discount' === $query->get( 'post_type' ) ) {
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$new_posts = array();
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foreach ( $posts as $post ) {
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$discount = edd_get_discount( $post->id );
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$object_vars = array(
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'ID' => $discount->id,
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'post_title' => $discount->name,
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'post_status' => $discount->status,
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'post_type' => 'edd_discount',
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'post_date' => EDD()->utils->date( $discount->date_created, null, true )->toDateTimeString(),
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'post_date_gmt' => $discount->date_created,
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'post_modified' => EDD()->utils->date( $discount->date_modified, null, true )->toDateTimeString(),
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'post_modified_gmt' => $discount->date_created,
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);
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foreach ( $object_vars as $object_var => $value ) {
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$post->{$object_var} = $value;
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}
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$post = new \WP_Post( $post );
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$new_posts[] = $post;
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}
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return $new_posts;
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}
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return $posts;
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}
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/**
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* Hijack the SQL query and rewrite it to fetch data from the discounts table.
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*
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* @since 3.0
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*
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* @param string $request SQL query.
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* @param \WP_Query $query Instance of WP_Query.
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*
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* @return string $request Rewritten SQL query.
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*/
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public function posts_request( $request, $query ) {
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global $wpdb;
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if ( 'posts_request' !== current_filter() ) {
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$message = __( 'This function is not meant to be called directly. It is only here for backwards compatibility purposes.', 'easy-digital-downloads' );
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_doing_it_wrong( __FUNCTION__, esc_html( $message ), '3.0' );
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}
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if ( 'edd_discount' === $query->get( 'post_type' ) ) {
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$defaults = array(
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'number' => 30,
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'status' => array( 'active', 'inactive', 'expired' ),
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'order' => 'DESC',
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'orderby' => 'date_created',
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);
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$args = array(
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'number' => $query->get( 'posts_per_page' ),
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'status' => $query->get( 'post_status', array( 'active', 'inactive' ) ),
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);
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$orderby = $query->get( 'orderby', false );
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if ( $orderby ) {
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switch ( $orderby ) {
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case 'none':
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case 'ID':
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case 'author':
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case 'post__in':
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case 'type':
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case 'post_type':
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$args['orderby'] = 'id';
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break;
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case 'title':
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$args['orderby'] = 'name';
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break;
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case 'date':
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case 'post_date':
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case 'modified':
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case 'post_modified':
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$args['orderby'] = 'date_created';
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break;
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default:
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$args['orderby'] = 'id';
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break;
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}
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}
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$offset = $query->get( 'offset', false );
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if ( $offset ) {
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$args['offset'] = absint( $offset );
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} else {
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$args['offset'] = 0;
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}
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if ( 'any' === $args['status'] ) {
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$args['status'] = $defaults['status'];
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}
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$args = wp_parse_args( $args, $defaults );
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if ( array_key_exists( 'number', $args ) ) {
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$args['number'] = absint( $args['number'] );
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}
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$table_name = edd_get_component_interface( 'adjustment', 'table' )->table_name;
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$meta_query = $query->get( 'meta_query' );
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$clauses = array();
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$sql_where = "WHERE type = 'discount'";
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$meta_key = $query->get( 'meta_key', false );
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$meta_value = $query->get( 'meta_value', false );
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$columns = wp_list_pluck( edd_get_component_interface( 'adjustment', 'schema' )->columns, 'name' );
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// 'meta_key' and 'meta_value' passed as arguments
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if ( $meta_key && $meta_value ) {
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/**
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* Check that the key exists as a column in the table.
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* Note: there is no backwards compatibility support for product requirements and excluded
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* products as these would be serialized under the old schema.
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*/
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if ( in_array( $meta_key, $columns, true ) ) {
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$sql_where .= ' ' . $wpdb->prepare( "{$meta_key} = %s", $meta_value );
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}
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}
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if ( ! empty( $meta_query ) ) {
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foreach ( $meta_query as $key => $query ) {
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$relation = 'AND'; // Default relation
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if ( is_string( $query ) && 'relation' === $key ) {
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$relation = $query;
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}
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if ( is_array( $query ) ) {
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if ( array_key_exists( 'key', $query ) ) {
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$query['key'] = str_replace( '_edd_discount_', '', $query['key'] );
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/**
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* Check that the key exists as a column in the table.
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* Note: there is no backwards compatibility support for product requirements and excluded
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* products as these would be serialized under the old schema.
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*/
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if ( in_array( $query['key'], $columns, true ) && array_key_exists( 'value', $query ) ) {
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$meta_compare = ! empty( $query['compare'] ) ? $query['compare'] : '=';
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$meta_compare = strtoupper( $meta_compare );
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$meta_value = $query['value'];
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$where = null;
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switch ( $meta_compare ) {
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case 'IN':
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case 'NOT IN':
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$meta_compare_string = '(' . substr( str_repeat( ',%s', count( $meta_value ) ), 1 ) . ')';
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$where = $wpdb->prepare( $meta_compare_string, $meta_value );
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break;
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case 'BETWEEN':
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case 'NOT BETWEEN':
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$meta_value = array_slice( $meta_value, 0, 2 );
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$where = $wpdb->prepare( '%1$s AND %1$s', $meta_value );
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break;
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case 'LIKE':
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case 'NOT LIKE':
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$meta_value = '%' . $wpdb->esc_like( $meta_value ) . '%';
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$where = $wpdb->prepare( '%s', $meta_value );
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break;
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// EXISTS with a value is interpreted as '='.
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case 'EXISTS':
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$where = $wpdb->prepare( '%s', $meta_value );
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break;
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// 'value' is ignored for NOT EXISTS.
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case 'NOT EXISTS':
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$where = $query['key'] . ' IS NULL';
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break;
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default:
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$where = $wpdb->prepare( '%s', $meta_value );
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break;
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}
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if ( ! is_null( $where ) ) {
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$clauses['where'][] = $query['key'] . ' ' . $meta_compare . ' ' . $where;
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}
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}
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}
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if ( ! empty( $clauses['where'] ) && is_array( $clauses['where'] ) ) {
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$sql_where .= ' AND ( ' . implode( ' ' . $relation . ' ', $clauses['where'] ) . ' )';
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}
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}
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}
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}
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$request = "SELECT id FROM {$table_name} {$sql_where} ORDER BY {$args['orderby']} {$args['order']} LIMIT {$args['offset']}, {$args['number']};";
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}
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return $request;
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}
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/**
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* Backwards compatibility filters for get_post_meta() calls on discounts.
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*
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* @since 3.0
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*
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* @param mixed $value The value get_post_meta would return if we don't filter.
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* @param int $object_id The object ID post meta was requested for.
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* @param string $meta_key The meta key requested.
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* @param bool $single If a single value or an array of the value is requested.
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*
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* @return mixed The value to return.
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*/
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public function get_post_metadata( $value, $object_id, $meta_key, $single ) {
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$meta_keys = apply_filters( 'edd_post_meta_discount_backwards_compat_keys', array(
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'_edd_discount_status',
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'_edd_discount_amount',
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'_edd_discount_uses',
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'_edd_discount_name',
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'_edd_discount_code',
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'_edd_discount_expiration',
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'_edd_discount_start',
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'_edd_discount_is_single_use',
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'_edd_discount_is_not_global',
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'_edd_discount_product_condition',
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'_edd_discount_min_price',
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'_edd_discount_max_uses'
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) );
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// Bail early of not a back-compat key
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if ( ! in_array( $meta_key, $meta_keys, true ) ) {
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return $value;
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}
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|
// Bail if discount does not exist
|
||
|
|
$discount = edd_get_discount( $object_id );
|
||
|
|
if ( empty( $discount->id ) ) {
|
||
|
|
return $value;
|
||
|
|
}
|
||
|
|
|
||
|
|
switch ( $meta_key ) {
|
||
|
|
case '_edd_discount_name':
|
||
|
|
case '_edd_discount_status':
|
||
|
|
case '_edd_discount_amount':
|
||
|
|
case '_edd_discount_uses':
|
||
|
|
case '_edd_discount_code':
|
||
|
|
case '_edd_discount_expiration':
|
||
|
|
case '_edd_discount_start':
|
||
|
|
case '_edd_discount_product_condition':
|
||
|
|
case '_edd_discount_min_price':
|
||
|
|
case '_edd_discount_max_uses':
|
||
|
|
$key = str_replace( '_edd_discount_', '', $meta_key );
|
||
|
|
|
||
|
|
$value = $discount->{$key};
|
||
|
|
|
||
|
|
if ( $this->show_notices ) {
|
||
|
|
_doing_it_wrong( 'get_post_meta()', 'All discount postmeta has been <strong>deprecated</strong> since Easy Digital Downloads 3.0! Use <code>edd_get_adjustment_meta()</code> instead.', 'EDD 3.0' );
|
||
|
|
|
||
|
|
if ( $this->show_backtrace ) {
|
||
|
|
$backtrace = debug_backtrace();
|
||
|
|
trigger_error( print_r( $backtrace, 1 ) );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
break;
|
||
|
|
|
||
|
|
case '_edd_discount_is_single_use':
|
||
|
|
$value = $discount->get_once_per_customer();
|
||
|
|
|
||
|
|
if ( $this->show_notices ) {
|
||
|
|
_doing_it_wrong( 'get_post_meta()', 'All discount postmeta has been <strong>deprecated</strong> since Easy Digital Downloads 3.0! Use <code>edd_get_adjustment_meta()</code> instead.', 'EDD 3.0' );
|
||
|
|
|
||
|
|
if ( $this->show_backtrace ) {
|
||
|
|
$backtrace = debug_backtrace();
|
||
|
|
trigger_error( print_r( $backtrace, 1 ) );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
break;
|
||
|
|
|
||
|
|
case '_edd_discount_is_not_global':
|
||
|
|
$value = $discount->get_scope();
|
||
|
|
|
||
|
|
if ( $this->show_notices ) {
|
||
|
|
_doing_it_wrong( 'get_post_meta()', 'All discount postmeta has been <strong>deprecated</strong> since Easy Digital Downloads 3.0! Use <code>edd_get_adjustment_meta()</code> instead.', 'EDD 3.0' );
|
||
|
|
|
||
|
|
if ( $this->show_backtrace ) {
|
||
|
|
$backtrace = debug_backtrace();
|
||
|
|
trigger_error( print_r( $backtrace, 1 ) );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
/*
|
||
|
|
* Developers can hook in here with add_filter( 'edd_get_post_meta_discount_backwards_compat-meta_key... in order to
|
||
|
|
* Filter their own meta values for backwards compatibility calls to get_post_meta instead of EDD_Discount::get_meta
|
||
|
|
*/
|
||
|
|
$value = apply_filters( 'edd_get_post_meta_discount_backwards_compat-' . $meta_key, $value, $object_id );
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
return $value;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Backwards compatibility filters for add/update_post_meta() calls on discounts.
|
||
|
|
*
|
||
|
|
* @since 3.0
|
||
|
|
*
|
||
|
|
* @param mixed $check Comes in 'null' but if returned not null, WordPress Core will not interact with the postmeta table.
|
||
|
|
* @param int $object_id The object ID post meta was requested for.
|
||
|
|
* @param string $meta_key The meta key requested.
|
||
|
|
* @param mixed $meta_value The value get_post_meta would return if we don't filter.
|
||
|
|
* @param mixed $prev_value The previous value of the meta
|
||
|
|
*
|
||
|
|
* @return mixed Returns 'null' if no action should be taken and WordPress core can continue, or non-null to avoid postmeta.
|
||
|
|
*/
|
||
|
|
public function update_post_metadata( $check, $object_id, $meta_key, $meta_value, $prev_value ) {
|
||
|
|
|
||
|
|
$meta_keys = apply_filters( 'edd_update_post_meta_discount_backwards_compat_keys', array(
|
||
|
|
'_edd_discount_status',
|
||
|
|
'_edd_discount_amount',
|
||
|
|
'_edd_discount_uses',
|
||
|
|
'_edd_discount_name',
|
||
|
|
'_edd_discount_code',
|
||
|
|
'_edd_discount_expiration',
|
||
|
|
'_edd_discount_start',
|
||
|
|
'_edd_discount_is_single_use',
|
||
|
|
'_edd_discount_is_not_global',
|
||
|
|
'_edd_discount_product_condition',
|
||
|
|
'_edd_discount_min_price',
|
||
|
|
'_edd_discount_max_uses'
|
||
|
|
) );
|
||
|
|
|
||
|
|
// Bail early of not a back-compat key
|
||
|
|
if ( ! in_array( $meta_key, $meta_keys, true ) ) {
|
||
|
|
return $check;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Bail if discount does not exist
|
||
|
|
$discount = edd_get_discount( $object_id );
|
||
|
|
if ( empty( $discount->id ) ) {
|
||
|
|
return $check;
|
||
|
|
}
|
||
|
|
|
||
|
|
switch ( $meta_key ) {
|
||
|
|
case '_edd_discount_name':
|
||
|
|
case '_edd_discount_status':
|
||
|
|
case '_edd_discount_amount':
|
||
|
|
case '_edd_discount_uses':
|
||
|
|
case '_edd_discount_code':
|
||
|
|
case '_edd_discount_expiration':
|
||
|
|
case '_edd_discount_start':
|
||
|
|
case '_edd_discount_product_condition':
|
||
|
|
case '_edd_discount_min_price':
|
||
|
|
case '_edd_discount_max_uses':
|
||
|
|
$key = str_replace( '_edd_discount_', '', $meta_key );
|
||
|
|
$discount->{$key} = $meta_value;
|
||
|
|
$check = $discount->save();
|
||
|
|
|
||
|
|
if ( $this->show_notices ) {
|
||
|
|
_doing_it_wrong( 'add_post_meta()/update_post_meta()', 'All discount postmeta has been <strong>deprecated</strong> since Easy Digital Downloads 3.0! Use <code>edd_add_adjustment_meta()/edd_update_adjustment_meta()</code> instead.', 'EDD 3.0' );
|
||
|
|
|
||
|
|
if ( $this->show_backtrace ) {
|
||
|
|
$backtrace = debug_backtrace();
|
||
|
|
trigger_error( print_r( $backtrace, 1 ) );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
break;
|
||
|
|
case '_edd_discount_is_single_use':
|
||
|
|
$discount->once_per_customer = $meta_value;
|
||
|
|
$check = $discount->save();
|
||
|
|
|
||
|
|
// Since the old discounts data was simply stored in a single post meta entry, just don't let it be added.
|
||
|
|
if ( $this->show_notices ) {
|
||
|
|
_doing_it_wrong( 'add_post_meta()/update_post_meta()', 'All discount postmeta has been <strong>deprecated</strong> since Easy Digital Downloads 3.0! Use <code>edd_add_adjustment_meta()/edd_update_adjustment_meta()</code> instead.', 'EDD 3.0' );
|
||
|
|
|
||
|
|
if ( $this->show_backtrace ) {
|
||
|
|
$backtrace = debug_backtrace();
|
||
|
|
trigger_error( print_r( $backtrace, 1 ) );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
break;
|
||
|
|
case '_edd_discount_is_not_global':
|
||
|
|
$discount->scope = $meta_value;
|
||
|
|
$check = $discount->save();
|
||
|
|
|
||
|
|
// Since the old discounts data was simply stored in a single post meta entry, just don't let it be added.
|
||
|
|
if ( $this->show_notices ) {
|
||
|
|
_doing_it_wrong( 'add_post_meta()/update_post_meta()', 'All discount postmeta has been <strong>deprecated</strong> since Easy Digital Downloads 3.0! Use <code>edd_add_adjustment_meta()/edd_update_adjustment_meta()</code> instead.', 'EDD 3.0' );
|
||
|
|
|
||
|
|
if ( $this->show_backtrace ) {
|
||
|
|
$backtrace = debug_backtrace();
|
||
|
|
trigger_error( print_r( $backtrace, 1 ) );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
/*
|
||
|
|
* Developers can hook in here with add_filter( 'edd_get_post_meta_discount_backwards_compat-meta_key... in order to
|
||
|
|
* Filter their own meta values for backwards compatibility calls to get_post_meta instead of EDD_Discount::get_meta
|
||
|
|
*/
|
||
|
|
$check = apply_filters( 'edd_update_post_meta_discount_backwards_compat-' . $meta_key, $check, $object_id, $meta_value, $prev_value );
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
return $check;
|
||
|
|
|
||
|
|
}
|
||
|
|
}
|