Initial Commit

inc/compat/class-discount-code-compat.php

@@ -0,0 +1,89 @@
+<?php
+/**
+ * Discount Code Compatibility Layer
+ *
+ * Handles discount code compatibility back-ports to WP Ultimo 1.X builds.
+ *
+ * @package WP_Ultimo
+ * @subpackage Compat/Discount_Code_Compat
+ * @since 2.0.0
+ */
+
+namespace WP_Ultimo\Compat;
+
+// Exit if accessed directly
+defined('ABSPATH') || exit;
+
+/**
+ * Handles discount code compatibility back-ports to WP Ultimo 1.X builds.
+ *
+ * @since 2.0.0
+ */
+class Discount_Code_Compat {
+
+	use \WP_Ultimo\Traits\Singleton;
+
+	/**
+	 * Instantiate the necessary hooks.
+	 *
+	 * @since 2.0.0
+	 * @return void
+	 */
+	public function init() {
+
+		add_filter('update_post_metadata', array($this, 'check_update_coupon'), 10, 5);
+
+	} // end init;
+
+	/**
+	 * Saves meta data from old plugins on the new plugin.
+	 *
+	 * @since 2.0.0
+	 *
+	 * @param null   $null Short-circuit control.
+	 * @param int    $object_id Object ID, in this case, of the Post object.
+	 * @param string $meta_key The meta key being saved.
+	 * @param mixed  $meta_value The meta value.
+	 * @param mixed  $prev_value The previous value.
+	 * @return null
+	 */
+	public function check_update_coupon($null, $object_id, $meta_key, $meta_value, $prev_value) {
+		/*
+		 * Check if we are in the main site of the network.
+		 */
+		if (!is_main_site()) {
+
+			return;
+
+		} // end if;
+
+		/*
+		 * Check if we have a new entity with this ID.
+		 */
+		$migrated_discount_code = wu_get_discount_code($object_id);
+
+		if (!$migrated_discount_code) {
+
+			return;
+
+		} // end if;
+
+		/*
+		 * Prevent double prefixing.
+		 */
+		$meta_key = str_replace('wpu_', '', $meta_key);
+
+		/*
+		 * Save using the new meta table.
+		 */
+		$migrated_discount_code->update_meta('wpu_' . $meta_key, maybe_serialize($meta_value));
+
+		/**
+		 * Explicitly returns null so we don't forget that
+		 * returning anything else will prevent meta data from being saved.
+		 */
+		return null;
+
+	} // end check_update_coupon;
+
+} // end class Discount_Code_Compat;