Add match day to event api rest

includes/api/class-sp-rest-api.php

@@ -502,6 +502,22 @@ class SP_REST_API {
 				),
 			)
 		);
+
+		register_rest_field( 'sp_event',
+            'day',
+            array(
+                'get_callback'    => 'SP_REST_API::get_post_data',
+                'update_callback' => 'SP_REST_API::update_post_meta_arrays',
+                'schema'          => array(
+                    'description'     => __( 'Results', 'sportspress' ),
+                    'type'            => 'array',
+                    'context'         => array( 'view', 'edit' ),
+                    'arg_options'     => array(
+                        'sanitize_callback' => 'rest_sanitize_request_arg',
+                    ),
+                ),
+            )
+        );
 		
 		do_action( 'sportspress_register_rest_fields' );
 	}

includes/class-sp-event.php

@@ -702,4 +702,10 @@ class SP_Event extends SP_Custom_Post{
 	public function sort_timeline( $a, $b ) {
 		return $a['time'] - $b['time'];
 	}
+
+	public function day() {
+        $day = get_post_meta( $this->ID, 'sp_day', true );
+        if ( '' === $day ) $day = 'empty';
+        return $day;
+    }
 }