pixeldevsio · February 22, 2020 01:30
diff --git a/woocommerce-related-posts.php b/woocommerce-related-posts.php
 <?php
 /**
 * Change related products output
 */ 
 add_filter( 'woocommerce_related_products', 'pd_related_products_by_series_and_brand', 9999, 3 ); 
 function pd_related_products_by_series_and_brand( $related_posts, $product_id, $args ) {
 	// set up query args
 	$argsarray = array(
 	   'post_type' 		=> 'product',
 	   'post_status' 	=> 'publish',
 	   'posts_per_page'	=> 4,
 	   'exclude' 		=> $product_id
 	);
 	
 	
 	// Get series terms
 	$series_terms = get_the_terms( $product_id, 'series' );
 	if ( !empty( $series_terms ) ){
 	    // get the first term
 	    $term = array_shift( $series_terms );
 	    $series = $term->slug;
 	}
 	
 	// Get brands terms
 	$brands = get_the_terms( $product_id, 'brand' );
 	if ( !empty( $brands ) ){
 	    // get the first term
 	    $term = array_shift( $brands );
 	    $brand = $term->slug;
 	}
 	
 	$terms = wp_get_post_terms($product_id, 'product_cat');
    foreach ( $terms as $term ) $cats_array[] = $term->term_id;
 	
 	// Check if there are series or brands taxonomies. If not, default to tags and categories
   if($series || $brand){
 	   
 		$series_query = array(
 			'relation' => 'OR',
            'series_query' => array(
                'taxonomy'     => 'series',
                'field'        => 'slug',
                'terms'        => $series
            ),
            'brand_query' => array(
                'taxonomy'     => 'brand',
                'field'        => 'slug',
                'terms'        => $brand
            )
        );   
   	 	$argsarray['tax_query'] = $series_query;
   } else {
 	    
 	    // Get Categories
 	    $terms = wp_get_post_terms($product_id, "product_cat");
 	    foreach ( $terms as $term ) $cats_array[] = $term->term_id;
 	    
 	    // Set the default query
 		$cat_query = array(
            array(
                'taxonomy'     => 'product_cat',
                'field'        => 'id',
                'terms'        => $cats_array
            )
        );
 		$argsarray['tax_query'] = $cat_query;
   }
   
   // Modify the standard Related Post Query
   $related_posts = get_posts( $argsarray );
   
   // If returned amount is less than desired 4, query category as well and merge arrays
   if( $related_posts->found_posts < 4 ){
 	   
 	   // set the new limit to 4 minus the amount of already returned posts
 	    $newLimit = 4 - count($related_posts);
 		
 		$argsarray['posts_per_page'] = $newLimit;
 		
 		// get the categories
 	    $terms = wp_get_post_terms($product_id, "product_cat");
 		foreach ( $terms as $term ) $cats_array[] = $term->term_id;
 		
 		$cat_query = array(
 			array(
 				'taxonomy'     => 'product_cat',
 				'field'        => 'id',
 				'terms'        => $cats_array
 			)
 		);
 		
 		// set the args up
 		$argsarray['tax_query'] = $cat_query;
 		// query the posts
 	   $newquery = get_posts( $argsarray );
 	   
 	   // merge the array
 	   $related_posts = array_merge( $newquery, $related_posts );
 	}
   
   // return the array of posts
   return $related_posts;
 }
 ?>
	<?php
	/**
	* Change related products output
	*/
	add_filter( 'woocommerce_related_products', 'pd_related_products_by_series_and_brand', 9999, 3 );
	function pd_related_products_by_series_and_brand( $related_posts, $product_id, $args ) {
	// set up query args
	$argsarray = array(
	'post_type' => 'product',
	'post_status' => 'publish',
	'posts_per_page' => 4,
	'exclude' => $product_id
	);


	// Get series terms
	$series_terms = get_the_terms( $product_id, 'series' );
	if ( !empty( $series_terms ) ){
	// get the first term
	$term = array_shift( $series_terms );
	$series = $term->slug;
	}

	// Get brands terms
	$brands = get_the_terms( $product_id, 'brand' );
	if ( !empty( $brands ) ){
	// get the first term
	$term = array_shift( $brands );
	$brand = $term->slug;
	}

	$terms = wp_get_post_terms($product_id, 'product_cat');
	foreach ( $terms as $term ) $cats_array[] = $term->term_id;

	// Check if there are series or brands taxonomies. If not, default to tags and categories
	if($series \|\| $brand){

	$series_query = array(
	'relation' => 'OR',
	'series_query' => array(
	'taxonomy' => 'series',
	'field' => 'slug',
	'terms' => $series
	),
	'brand_query' => array(
	'taxonomy' => 'brand',
	'field' => 'slug',
	'terms' => $brand
	)
	);
	$argsarray['tax_query'] = $series_query;
	} else {

	// Get Categories
	$terms = wp_get_post_terms($product_id, "product_cat");
	foreach ( $terms as $term ) $cats_array[] = $term->term_id;

	// Set the default query
	$cat_query = array(
	array(
	'taxonomy' => 'product_cat',
	'field' => 'id',
	'terms' => $cats_array
	)
	);
	$argsarray['tax_query'] = $cat_query;
	}

	// Modify the standard Related Post Query
	$related_posts = get_posts( $argsarray );

	// If returned amount is less than desired 4, query category as well and merge arrays
	if( $related_posts->found_posts < 4 ){

	// set the new limit to 4 minus the amount of already returned posts
	$newLimit = 4 - count($related_posts);

	$argsarray['posts_per_page'] = $newLimit;

	// get the categories
	$terms = wp_get_post_terms($product_id, "product_cat");
	foreach ( $terms as $term ) $cats_array[] = $term->term_id;

	$cat_query = array(
	array(
	'taxonomy' => 'product_cat',
	'field' => 'id',
	'terms' => $cats_array
	)
	);

	// set the args up
	$argsarray['tax_query'] = $cat_query;
	// query the posts
	$newquery = get_posts( $argsarray );

	// merge the array
	$related_posts = array_merge( $newquery, $related_posts );
	}

	// return the array of posts
	return $related_posts;
	}
	?>