jigoshop /widgets/recent_products.php

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MD5 Hash 0d750a6e3fb22575c9fb54bb96088fb5
Repository https://github.com/scottpoulin/jigoshop.git View Raw File
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<?php
/**
 * Recent Products Widget
 *
 * DISCLAIMER
 *
 * Do not edit or add directly to this file if you wish to upgrade Jigoshop to newer
 * versions in the future. If you wish to customise Jigoshop core for your needs,
 * please use our GitHub repository to publish essential changes for consideration.
 *
 * @package             Jigoshop
 * @category            Widgets
 * @author              Jigoshop
 * @copyright           Copyright Š 2011-2013 Jigoshop.
 * @license             http://jigoshop.com/license/commercial-edition
 */

class Jigoshop_Widget_Recent_Products extends WP_Widget {

	/**
	 * Constructor
	 *
	 * Setup the widget with the available options
	 * Add actions to clear the cache whenever a post is saved|deleted or a theme is switched
	 */
	public function __construct() {
		$options = array(
			'classname'		=> 'widget_recent_entries',
			'description'	=> __( "The most recent products on your site", 'jigoshop')
		);

		parent::__construct('recent-products', __('Jigoshop: New Products', 'jigoshop'), $options);

		// Flush cache after every save
		add_action( 'save_post', array(&$this, 'flush_widget_cache') );
		add_action( 'deleted_post', array(&$this, 'flush_widget_cache') );
		add_action( 'switch_theme', array(&$this, 'flush_widget_cache') );
	}

	/**
	 * Widget
	 *
	 * Display the widget in the sidebar
	 * Save output to the cache if empty
	 *
	 * @param	array	sidebar arguments
	 * @param	array	instance
	 */
	function widget($args, $instance) {

		// Get the most recent products from the cache
		$cache = wp_cache_get('widget_recent_products', 'widget');

		// If no entry exists use array
		if ( ! is_array($cache) ) {
			$cache = array();
		}

		// If cached get from the cache
		if ( isset($cache[$args['widget_id']]) ) {
			echo $cache[$args['widget_id']];
			return false;
		}

		// Start buffering
		ob_start();
		extract($args);

		// Set the widget title
		$title = ($instance['title']) ? $instance['title'] : __('New Products', 'jigoshop');
		$title = apply_filters('widget_title', $title, $instance, $this->id_base);

		// Set number of products to fetch
		if ( ! $number = $instance['number'] ) {
			$number = 10;
		}
		$number = apply_filters('jigoshop_widget_recent_default_number', $number, $instance, $this->id_base);

		// Set up query
    	$query_args = array(
    		'posts_per_page' => $number,
    		'post_type'      => 'product',
    		'post_status'    => 'publish',
    		'orderby'        => 'date',
    		'order'          => 'desc',
    		'meta_query'     => array(
    			array(
    				'key'       => 'visibility',
    				'value'     => array('catalog', 'visible'),
    				'compare'   => 'IN',
    			),
    		)
    	);

    	// Show variations of products?  TODO: fix this -JAP-
/*
    	if( ! $instance['show_variations']) {
    		$query_args['meta_query'] = array(
    			array(
    				'key'		=> 'visibility',
    				'value'		=> array('catalog', 'visible'),
    				'compare'	=> 'IN',
    			),
    		);

    		$query_args['parent'] = false;
    	}
*/

		// Run the query
		$q = new WP_Query($query_args);

		// If there are products
		if($q->have_posts()) {

			// Print the widget wrapper & title
			echo $before_widget;
			echo $before_title . $title . $after_title;

			// Open the list
			echo '<ul class="product_list_widget">';

			// Print out each product
			while($q->have_posts()) : $q->the_post();

				// Get new jigoshop_product instance
				$_product = new jigoshop_product(get_the_ID());

				echo '<li>';
					// Print the product image & title with a link to the permalink
					echo '<a href="'.get_permalink().'" title="'.esc_attr(get_the_title()).'">';
					echo (has_post_thumbnail()) ? the_post_thumbnail('shop_tiny') : jigoshop_get_image_placeholder('shop_tiny');
					echo '<span class="js_widget_product_title">' . get_the_title() . '</span>';
					echo '</a>';

					// Print the price with html wrappers
					echo '<span class="js_widget_product_price">' . $_product->get_price_html() . '</span>';
				echo '</li>';
			endwhile;

			echo '</ul>'; // Close the list

			// Print closing widget wrapper
			echo $after_widget;

			// Reset the global $the_post as this query will have stomped on it
			wp_reset_postdata();
		}

		// Flush output buffer and save to cache
		$cache[$args['widget_id']] = ob_get_flush();
		wp_cache_set('widget_recent_products', $cache, 'widget');
	}

	/**
	 * Update
	 *
	 * Handles the processing of information entered in the wordpress admin
	 * Flushes the cache & removes entry from options array
	 *
	 * @param	array	new instance
	 * @param	array	old instance
	 * @return	array	instance
	 */
	public function update( $new_instance, $old_instance ) {
		$instance = $old_instance;

		// Save the new values
		$instance['title'] = strip_tags($new_instance['title']);
		$instance['number'] = abs($new_instance['number']);
		$instance['show_variations'] = (bool) isset($new_instance['show_variations']) ? $new_instance['show_variations'] : false;

		// Flush the cache
		$this->flush_widget_cache();

		// Remove the cache entry from the options array
		$alloptions = wp_cache_get( 'alloptions', 'options' );
		if ( isset($alloptions['widget_recent_products']) ) {
			delete_option('widget_recent_products');
		}

		return $instance;
	}

	/**
	 * Flush Widget Cache
	 *
	 * Flushes the cached output
	 */
	public function flush_widget_cache() {
		wp_cache_delete('widget_recent_products', 'widget');
	}

	/**
	 * Form
	 *
	 * Displays the form for the wordpress admin
	 *
	 * @param	array	instance
	 */
	public function form( $instance ) {

		// Get instance data
		$title = isset( $instance['title'] ) ? esc_attr( $instance['title'] ) : null;
		$number = isset( $instance['number'] ) ? absint( $instance['number'] ) : 5;

		$show_variations = (bool) isset($instance['show_variations']) ? $instance['show_variations'] : false;

		// Widget Title
		echo "
		<p>
			<label for='{$this->get_field_id( 'title' )}'>" . __( 'Title:', 'jigoshop' ) . "</label>
			<input class='widefat' id='{$this->get_field_id( 'title' )}' name='{$this->get_field_name( 'title' )}' type='text' value='{$title}' />
		</p>";

		// Number of posts to fetch
		echo "
		<p>
			<label for='{$this->get_field_id( 'number' )}'>" . __( 'Number of products to show:', 'jigoshop' ) . "</label>
			<input id='{$this->get_field_id( 'number' )}' name='{$this->get_field_name( 'number' )}' type='number' value='{$number}' size='3' />
		</p>";

		// Show variations?
		echo '<p>';
		echo '<input type="checkbox" class="checkbox" id="' . esc_attr( $this->get_field_id('show_variations')  ) . '" name="' . esc_attr( $this->get_field_name('show_variations')  ) . '"' . checked( $show_variations ) . '/>';
		echo '<label for="' . esc_attr( $this->get_field_id('show_variations')  ) . '"> ' . __( 'Show hidden product variations', 'jigoshop' ) . '</label>';
		echo '</p>';

	}

} // class Jigoshop_Widget_Recent_Products
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