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Related Products Filter (7 posts)

  1. mjb709
    Member
    Posted 1 year ago #

    What I'm looking to do is to edit the filter that choose what is considered a Related Product or not.

    From reading the WooCommerce docs, on each single product page, a related product is found by adding similar products in the same product category or tags.

    Now, that's all fine and dandy, but since I have a store that has CDs, DVDs, etc. it's pulling in CDs from totally different genres.

    I'm looking to remove the snippit of code that "pulls in" the related products in the same category and want to use JUST the tags.

    The furthest I've gotten is found the file /woocommerce/templates/single-product/related.php file. Code attached. I believe it pulls it in somewhere here, or pulls in a function from somewhere else that I can't find.

    <?php
    /**
     * Related Products
     *
     * @author 		WooThemes
     * @package 	WooCommerce/Templates
     * @version     1.6.4
     */
    
    global $product, $woocommerce_loop;
    
    $related = $product->get_related();
    
    if ( sizeof($related) == 0 ) return;
    
    $args = apply_filters('woocommerce_related_products_args', array(
    	'post_type'				=> 'product',
    	'ignore_sticky_posts'	=> 1,
    	'no_found_rows' 		=> 1,
    	'posts_per_page' 		=> $posts_per_page,
    	'orderby' 				=> $orderby,
    	'post__in' 				=> $related
    ) );
    
    $products = new WP_Query( $args );
    
    $woocommerce_loop['columns'] 	= $columns;
    
    if ( $products->have_posts() ) : ?>
    
    	<div class="related products">
    
    		<h2><?php _e('Related Products', 'woocommerce'); ?></h2>
    
    		<ul class="products">
    
    			<?php while ( $products->have_posts() ) : $products->the_post(); ?>
    
    				<?php woocommerce_get_template_part( 'content', 'product' ); ?>
    
    			<?php endwhile; // end of the loop. ?>
    
    		</ul>
    
    	</div>
    
    <?php endif;
    
    wp_reset_postdata();

    I did some searching and I couldn't find an answer to my solution.
    I also picked through the code and haven't found a solution either.

    Does anyone have any thoughts on this? I think it would be really helpful for other people since I've seen others looking to modify the code themselves as well.

    Thanks so much,
    M

    http://wordpress.org/extend/plugins/woocommerce/

  2. mjb709
    Member
    Posted 1 year ago #

    Looks like I found a solution for anyone who wants to have JUST the tags be the common link for related products.

    I edited the file /woocommerce/classes/class-wc-products.php

    This is pasted starting at line 1192, I commented out a couple of lines.

    // Related products are found from category and tag
    		$tags_array = array(0);
    		/* $cats_array = array(0); */ /* <-- commented out this line */
    
    		// Get tags
    		$terms = wp_get_post_terms($this->id, 'product_tag');
    		foreach ($terms as $term) $tags_array[] = $term->term_id;
    
    		// Get categories
    		/* $terms = wp_get_post_terms($this->id, 'product_cat');
    		foreach ($terms as $term) $cats_array[] = $term->term_id; */  /* <-- and commented out this line */
    
    		// Don't bother if none are set
    		if ( sizeof($cats_array)==1 && sizeof($tags_array)==1 ) return array();

    If anyone knows how to make what I've done into a line of code to copy to my own theme's functions.php that would be great since now if I upgrade, I'll have to manually edit this out again.

  3. LukeKendall
    Member
    Posted 1 year ago #

    Hi MJB,

    I'm trying to do something very similar (the opposite of what you have done) whereby it only displays products related by category and not tags.

    Did you manage to find a way to add this into functions.php to fully support upgrading?

    Thanks for any help you can offer!

  4. Devin Lee
    Member
    Posted 1 year ago #

    Hi. Great solution bro. thanks for help, but since woocommerce 2.0
    the file to change is

    woocommerce/classes/abstracts/abstract-wc-product.php

  5. IgniteWoo
    Member
    Posted 1 year ago #

    Actually editing the WooCommerce core code is not the best way to handle things since when you update the plugin you lose changes. So do something like this instead, in your theme functions file probably ( or make it into a plugin, which is simple enough to do )

    add_filter( 'woocommerce_product_related_posts', 'my_related_products', 20, 1 ) ;
    
    function my_related_products( $related_products = array() ) {
      global $post, $woocommerce;
    
      $limit = 5;
    
      $terms = wp_get_post_terms( $post->ID, 'product_tag' );
    
      if ( !$terms || is_wp_error( $terms ) )
        return $related_products;
    
      if ( empty( $terms ) )
        return array();
    
      $tags_array = array(); 
    
      foreach ( $terms as $term )
        $tags_array[] = $term->term_id;
    
      $meta_query = array();
    
      $meta_query[] = $woocommerce->query->visibility_meta_query();
    
      $meta_query[] = $woocommerce->query->stock_status_meta_query();
    
      $related_products = get_posts( array(
    	'orderby' 	=> 'rand',
    	'posts_per_page'=> $limit,
    	'post_type' 	=> 'product',
    	'fields' 	=> 'ids',
    	'meta_query' 	=> $meta_query,
    	'tax_query' 	=> array(
    		array(
    			'taxonomy' 	=> 'product_tag',
    			'field' 	=> 'id',
    			'terms' 	=> $tags_array
    		)
    	)
      ));
    
      return $related_products;
    
    }
  6. puchimatto
    Member
    Posted 1 year ago #

  7. masterbip
    Member
    Posted 9 months ago #

    That's a good solution, and really works, but i'm triying to get related products by something else than tags: Custom Fields or a thing called TYPES

    Based on the previous puchimatto link.
    If I reach the nirvana I'll let you know. Thanks.

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