Leave Tasty recipe ratings with WP-PostRatings

// Disable standard ratings UI

add_filter( 'tasty_recipes_enable_ratings', '__return_false' );

/**

 * Filter template variables to render WP-PostRatings UI

 * within the recipe card.

 *

 * @param array $template_vars Variables to be passed to the template.

 * @param object $recipe       Recipe object.

 * @return array

 */

add_filter( 'tasty_recipes_recipe_template_vars', function( $template_vars, $recipe ){

	if ( function_exists( 'the_ratings' ) ) {

		// Render the WP-PostRatings UI within the recipe card

		$template_vars['recipe_rating_icons'] = the_ratings( 'span', $recipe->get_id(), false );

		// Hide from display, but keep for microdata

		$template_vars['recipe_rating_label'] = str_replace( '<span ', '<span style="display:none;" ', $template_vars['recipe_rating_label'] );

	}

	return $template_vars;

}, 10, 2 );

/**

 * When a rating is saved for a recipe, put the data in

 * the place Tasty Recipe expects.

 *

 * @param integer $user_id User saving the rating.

 * @param integer $post_id Post ID for the rating (should be a recipe post).

 */

add_action( 'rate_post', function( $user_id, $post_id ){

	if ( 'tasty_recipe' !== get_post_type( $post_id ) ) {

		return;

	}

	$average_rating = get_post_meta( $post_id, 'ratings_average', true );

	$total_reviews = get_post_meta( $post_id, 'ratings_users', true );

	update_post_meta( $post_id, 'average_rating', $average_rating );

	update_post_meta( $post_id, 'total_reviews', $total_reviews );

}, 10, 2 );