From 5e44c754f848b90f35c4f80ba2bcdf65956c04ec Mon Sep 17 00:00:00 2001
From: JoryHogeveen <jory.johan.hogeveen@gmail.com>
Date: Mon, 30 Oct 2023 22:17:24 +0100
Subject: [PATCH 1/3] Support Pods fields in REST API as meta query filters

---
 classes/PodsRESTFields.php | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/classes/PodsRESTFields.php b/classes/PodsRESTFields.php
index c2aeab5dff..969fdcc91e 100644
--- a/classes/PodsRESTFields.php
+++ b/classes/PodsRESTFields.php
@@ -40,6 +40,7 @@ public function __construct( $pod ) {
 
 		if ( $this->pod ) {
 			add_action( 'rest_api_init', [ $this, 'add_fields' ] );
+			add_filter( 'rest_' . $this->pod->get_name() . '_query', [ $this, 'query_fields' ], 10, 2 );
 		}
 	}
 
@@ -88,6 +89,35 @@ private function set_pod( $pod ) {
 		$this->pod = $pod;
 	}
 
+	/**
+	 * @since  3.0.9
+	 *
+	 * @param \WP_REST_Request $request ArrayAccess
+	 * @param array $args
+	 *
+	 * @return array
+	 */
+	public function query_fields( $args, $request ) {
+		$fields = $this->pod->get_fields();
+		$meta_query = [];
+		foreach ( $fields as $field ) {
+			$name = $field->get_name();
+			if ( isset( $request[ $name ] ) ) {
+				$value        = $request[ $name ];
+				$meta_query[] = [
+					'key'     => $name,
+					'value'   => $value,
+				];
+			}
+		}
+
+		if ( $meta_query ) {
+			$args['meta_query']['pods'] = $meta_query;
+		}
+
+		return $args;
+	}
+
 	/**
 	 * Add fields, based on options to REST read/write requests
 	 *

From 589d04de33bba723c7f05133437cdefc9bf7ac1e Mon Sep 17 00:00:00 2001
From: JoryHogeveen <jory.johan.hogeveen@gmail.com>
Date: Mon, 30 Oct 2023 22:17:34 +0100
Subject: [PATCH 2/3] Support array format

---
 classes/PodsRESTFields.php | 1 +
 1 file changed, 1 insertion(+)

diff --git a/classes/PodsRESTFields.php b/classes/PodsRESTFields.php
index 969fdcc91e..91ff96e3c6 100644
--- a/classes/PodsRESTFields.php
+++ b/classes/PodsRESTFields.php
@@ -106,6 +106,7 @@ public function query_fields( $args, $request ) {
 				$value        = $request[ $name ];
 				$meta_query[] = [
 					'key'     => $name,
+					'compare' => is_array( $value ) ? 'IN' : '=',
 					'value'   => $value,
 				];
 			}

From 2fdd317750b9e7d975081798cda6ed95df295be9 Mon Sep 17 00:00:00 2001
From: JoryHogeveen <jory.johan.hogeveen@gmail.com>
Date: Mon, 30 Oct 2023 22:17:58 +0100
Subject: [PATCH 3/3] Codestyle

---
 classes/PodsRESTFields.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/classes/PodsRESTFields.php b/classes/PodsRESTFields.php
index 91ff96e3c6..851a524ff6 100644
--- a/classes/PodsRESTFields.php
+++ b/classes/PodsRESTFields.php
@@ -98,8 +98,9 @@ private function set_pod( $pod ) {
 	 * @return array
 	 */
 	public function query_fields( $args, $request ) {
-		$fields = $this->pod->get_fields();
+		$fields     = $this->pod->get_fields();
 		$meta_query = [];
+
 		foreach ( $fields as $field ) {
 			$name = $field->get_name();
 			if ( isset( $request[ $name ] ) ) {