GH#1252: feat: add wu_pre_* filters to 6 model methods

inc/models/class-customer.php

@@ -813,6 +813,12 @@ public function set_type($type) {
 	 */
 	public function get_total_grossed() {
 
+		$pre = apply_filters( 'wu_pre_customer_get_total_grossed', null, $this );
+
+		if ( null !== $pre ) {
+			return $pre;
+		}
+
 		global $wpdb;
 
 		static $sum;

inc/models/class-domain.php

@@ -610,6 +610,12 @@ public function delete() {
 	 */
 	public static function get_by_site($site) {
 
+		$pre = apply_filters( 'wu_pre_domain_get_by_site', null, $site );
+
+		if ( null !== $pre ) {
+			return $pre;
+		}
+
 		global $wpdb;
 
 		// Allow passing a site object in

inc/models/class-membership.php

@@ -2320,6 +2320,12 @@ public function set_recurring($recurring): void {
 	 */
 	public function get_total_grossed() {
 
+		$pre = apply_filters( 'wu_pre_membership_get_total_grossed', null, $this );
+
+		if ( null !== $pre ) {
+			return $pre;
+		}
+
 		global $wpdb;
 
 		static $sum;

inc/models/class-site.php

@@ -1158,6 +1158,12 @@ public function get_membership() {
 			return $this->membership;
 		}
 
+		$pre = apply_filters( 'wu_pre_site_get_membership', null, $this );
+
+		if ( null !== $pre ) {
+			return $pre;
+		}
+
 		global $wpdb;
 
 		$table_name = "{$wpdb->base_prefix}wu_memberships";
@@ -2226,6 +2232,12 @@ public function to_search_results() {
 	 */
 	public static function get_all_by_type($type = 'customer_owned', $query_args = []) {
 
+		$pre = apply_filters( 'wu_pre_site_get_all_by_type', null, $type, $query_args );
+
+		if ( null !== $pre ) {
+			return $pre;
+		}
+
 		global $wpdb;
 
 		if ('pending' === $type) {
@@ -2318,6 +2330,12 @@ public static function get_all_by_categories($categories = [], $query_args = [])
 	 */
 	public static function get_all_categories($sites = []) {
 
+		$pre = apply_filters( 'wu_pre_site_get_all_categories', null, $sites );
+
+		if ( null !== $pre ) {
+			return $pre;
+		}
+
 		global $wpdb;
 
 		$site_ids = [];