Woocommerce List Products in Same Category as Current Product.

Sam Deering (updated ) Wordpress

“woocommerce query get current category id”

Problem:

The need to create a widget which can show a list of woocommerce products in same category as current product.

Solution:

  1. add this code to the widgets.php
  2. register your widget
  3. drag your widget in sidebar back-end
  4. add a css active item color
  5. done.

woocommerce list products

theme/_includes/widgets.php

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// *****************************************
// ************** Custom widget ************
// *****************************************
 
class Products_in_category extends WP_Widget{
 
  public function __construct() {
    parent::__construct('products_in_category', 'Products in category');
  }
 
  public function widget( $args, $instance )
  {
    echo $args['before_widget'].' <hr class="first"/>'; // start
    $this->_products($instance);
    echo $args['after_widget']; //end
  }
 
  /*----------------------------------------
    update()
    ----------------------------------------
 
    * Function to update the settings from
    * the form() function.
 
    * Params:
    * - Array $new_instance
    * - Array $old_instance
  ----------------------------------------*/
 
  function update ( $new_instance, $old_instance )
  {
    // var_dump($new_instance);
    $instance = $old_instance;
    $instance['title'] =  empty($new_instance['title']) ? '' : $new_instance['title'];
    $instance['product_count'] =  empty($new_instance['product_count'])
                                  ? 0
                                  : (int) $new_instance['product_count'];
    return $instance;
  }
 
  /*----------------------------------------
    form()
    ----------------------------------------
 
    * The form on the widget control in the
    * widget administration area.
 
    * Make use of the get_field_id() and
    * get_field_name() function when creating
    * your form elements. This handles the confusing stuff.
 
    * Params:
    * - Array $instance
  ----------------------------------------*/
 
  function form ( $instance ) {
    $product_count =  isset($instance['product_count']) ? $instance['product_count'] : 0;
    $title =  isset($instance['title']) ? $instance['title'] : '';
  ?>
    <!-- Widget Title: Text Input -->
      <p>
            <label for="<?= $this->get_field_id( 'product_count' ); ?>">
              Title
            </label>
            <input type="text" name="<?= $this->get_field_name( 'title' ); ?>"
                  value="<?= $title; ?>" class="widefat"
                  id="<?= $this->get_field_id( 'title' ); ?>" />
        </p>
 
    <!-- Widget text: Text Input -->
        <p>
            <label for="<?= $this->get_field_id( 'product_count' ); ?>">
              Number of Products To Show
            </label>
            <input type="text" name="<?= $this->get_field_name( 'product_count' ); ?>"
                  value="<?= $product_count; ?>" class="widefat"
                  id="<?= $this->get_field_id( 'product_count' ); ?>" />
        </p>
  <?php
  }
 
  /**
   * Products in category
   *
   * @author    WooThemes
   * @package   WooCommerce/Templates
   * @version     1.6.4
   */
 
  private function _products($instance)
  {
 
    if ( is_singular('product') ) {
      global $post;
      $post_ID = $post->ID;
      // get categories
      $terms = wp_get_post_terms( $post->ID, 'product_cat' );
      foreach ( $terms as $term ) $cats_array[] = $term->term_id;
      $query_args = array(
          // 'post__not_in' => array( $post->ID ),
          'posts_per_page' => 20,
          'no_found_rows' => 1,
          'post_status' => 'publish',
          'orderby' => 'title',
          'order' => 'ASC',
          'post_type' => 'product',
          'tax_query' => array(
            array(
              'taxonomy' => 'product_cat',
              'field' => 'id',
              'terms' => $cats_array
        )));
      $r = new WP_Query($query_args);
 
      if ($r->have_posts()) {
        ?>
        <ul class="product_list_widget">
          <?php while ($r->have_posts()) : $r->the_post(); global $product; ?>
            <li>
              <a href="<?php the_permalink() ?>" title="<?php echo esc_attr(get_the_title() ? get_the_title() : get_the_ID()); ?>" class="<?php if(get_the_ID() == $post_ID) echo "active"; ?>">
                  <?php if ( get_the_title() ) the_title(); else the_ID(); ?>
              </a>
            </li>
          <?php endwhile; ?>
        </ul>
        <?php
        // Reset the global $the_post as this query will have stomped on it
        wp_reset_query();
      }
    }
 
  }
 
} // class end
 
register your widget
 
register_widget( 'Products_in_category' );
 
CSS
 
.product_list_widget a.active {
  color: #f15a29;
}
 

 

Sam Deering

Sam Deering is a web developer from England (currently living in Australia). In his spare time he enjoys coding, playing chess, reading and investing.

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