Created
May 27, 2017 16:03
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A way to control MarketPress product prices so they don't get set to <= 0
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<?php | |
/* | |
Plugin Name: MarletPress Control Product Prices | |
Plugin URI: https://premium.wpmudev.org/ | |
Description: A way to control MarketPress product prices so they don't get set to <= 0 | |
Author: Panos Lyrakis @ WPMUDEV | |
Author URI: https://premium.wpmudev.org/ | |
License: GPLv2 or later | |
*/ | |
if( ! class_exists( 'WPMUDEV_MP_Price_Control' ) ){ | |
class WPMUDEV_MP_Price_Control{ | |
private static $_instance = null; | |
public static function get_instance() { | |
if ( is_null( self::$_instance ) ) { | |
self::$_instance = new WPMUDEV_MP_Price_Control(); | |
} | |
return self::$_instance; | |
} | |
private function __construct(){ | |
add_action( "updated_post_meta", array( $this, 'updated_product_meta' ), 999, 4 ); | |
} | |
public function updated_product_meta( $meta_id, $object_id, $meta_key, $_meta_value ){ | |
$post = get_post( $object_id ); | |
if( $post->post_type != MP_Product::get_post_type() || $meta_key != 'regular_price' || $_meta_value == '' ){ | |
return; | |
} | |
if( $_meta_value <= 0 ){ | |
$previous_valid_price = $this->get_previous_valid_price( $object_id ); | |
$this->force_product_price( $meta_id, $object_id, $meta_key, $previous_valid_price ); | |
} | |
else{ | |
$meta_key = '_wpmudev_mp_regular_price_backup'; | |
update_post_meta( $object_id, '_wpmudev_mp_regular_price_backup', $_meta_value ); | |
} | |
} | |
public function force_product_price( $meta_id, $object_id, $meta_key, $_meta_value ){ | |
$meta_type = 'post'; | |
if ( !$meta_key || ! is_numeric( $_meta_value ) ) | |
return false; | |
if ( !$object_id = absint($object_id) ) | |
return false; | |
if ( ! $table = _get_meta_table($meta_type) ) | |
return false; | |
global $wpdb; | |
$column = esc_sql($meta_type . '_id'); | |
$id_column = 'user' == $meta_type ? 'umeta_id' : 'meta_id'; | |
// expected_slashed ($meta_key) | |
$meta_key = stripslashes($meta_key); | |
$data = array( | |
'meta_value' => $_meta_value | |
);//compact( 'meta_value' ); | |
$where = array( $column => $object_id, 'meta_key' => $meta_key ); | |
$wpdb->update( $table, $data, $where ); | |
wp_cache_delete($object_id, $meta_type . '_meta'); | |
} | |
public function get_previous_valid_price( $post_id ){ | |
return get_post_meta( $post_id, '_wpmudev_mp_regular_price_backup', true ); | |
} | |
} | |
add_action( 'plugins_loaded', function(){ | |
$GLOBALS['WPMUDEV_MP_Price_Control'] = WPMUDEV_MP_Price_Control::get_instance(); | |
}, 10 ); | |
} |
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