294 lines
7.7 KiB
PHP
294 lines
7.7 KiB
PHP
<?php
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/**
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* WooCommerce Queries
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*
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* Handles front end queries and loops.
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*
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* @package WooCommerce
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* @category Core
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* @author WooThemes
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*/
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global $woocommerce_query;
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$woocommerce_query['unfiltered_product_ids'] = array(); // Unfilted product ids (before layered nav etc)
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$woocommerce_query['filtered_product_ids'] = array(); // Filted product ids (after layered nav)
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$woocommerce_query['post__in'] = array(); // Product id's that match the layered nav + price filter
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$woocommerce_query['meta_query'] = ''; // The meta query for the page
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/**
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* Front page archive/shop template
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*/
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if (!function_exists('woocommerce_front_page_archive')) {
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function woocommerce_front_page_archive() {
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global $paged;
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if ( is_front_page() && is_page( get_option('woocommerce_shop_page_id') )) :
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if ( get_query_var('paged') ) {
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$paged = get_query_var('paged');
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} else if ( get_query_var('page') ) {
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$paged = get_query_var('page');
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} else {
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$paged = 1;
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}
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query_posts( array( 'page_id' => '', 'post_type' => 'product', 'paged' => $paged ) );
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define('SHOP_IS_ON_FRONT', true);
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endif;
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}
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}
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add_action('wp', 'woocommerce_front_page_archive', 1);
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/**
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* Query the products, applying sorting/ordering etc. This applies to the main wordpress loop
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*/
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add_filter( 'parse_query', 'woocommerce_parse_query' );
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function woocommerce_parse_query( $q ) {
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global $woocommerce_query;
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if (true == $q->query_vars['suppress_filters']) return;
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// Only apply to product categories, the product post archive, the shop page, and product tags
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if (!$q->is_tax( 'product_cat' ) && !$q->is_post_type_archive( 'product' ) && !$q->is_page( get_option('woocommerce_shop_page_id') ) && !$q->is_tax( 'product_tag' )) return;
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$woocommerce_query['meta_query'] = (array) $q->get( 'meta_query' );
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// Visibility
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if ( is_search() ) $in = array( 'visible', 'search' ); else $in = array( 'visible', 'catalog' );
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$woocommerce_query['meta_query'][] = array(
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'key' => 'visibility',
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'value' => $in,
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'compare' => 'IN'
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);
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// In stock
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if (get_option('woocommerce_hide_out_of_stock_items')=='yes') :
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$woocommerce_query['meta_query'][] = array(
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'key' => 'stock_status',
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'value' => 'instock',
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'compare' => '='
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);
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endif;
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// Ordering
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if (isset($_POST['orderby']) && ($_POST['orderby'] != '') ) $_SESSION['orderby'] = $_POST['orderby'];
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if (isset($_SESSION['orderby'])) $current_order = $_SESSION['orderby']; else $current_order = 'title';
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switch ($current_order) :
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case 'date' :
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$orderby = 'date';
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$order = 'desc';
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$meta_key = '';
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break;
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case 'price' :
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$orderby = 'meta_value_num';
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$order = 'asc';
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$meta_key = 'price';
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break;
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default :
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$orderby = 'title';
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$order = 'asc';
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$meta_key = '';
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break;
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endswitch;
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// Get a list of post id's which match the current filters set (in the layered nav and price filter)
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$woocommerce_query['post__in'] = array_unique(apply_filters('loop-shop-posts-in', array()));
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// Ordering query vars
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$q->set( 'orderby', $orderby );
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$q->set( 'order', $order );
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$q->set( 'meta_key', $meta_key );
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// Query vars that affect posts shown
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$q->set( 'meta_query', $woocommerce_query['meta_query'] );
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$q->set( 'post_type', 'product' );
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$q->set( 'post__in', $woocommerce_query['post__in'] );
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// Apply to main loop only
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remove_filter( 'parse_query', 'woocommerce_parse_query' );
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// We're on a shop page so queue the woocommerce_get_products_in_view function
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add_action('wp', 'woocommerce_get_products_in_view', 2);
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}
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/**
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* Get an unpaginated list all product ID's (both filtered and unfiltered)
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*/
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function woocommerce_get_products_in_view() {
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global $woocommerce_query, $wp_query;
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// Get all visible posts, regardless of filters
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$products = get_posts(
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array_merge(
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$wp_query->query,
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array(
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'post_type' => 'product',
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'numberposts' => -1,
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'post_status' => 'publish',
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)
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)
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);
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foreach ($products as $p) $woocommerce_query['unfiltered_product_ids'][] = $p->ID;
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if (sizeof($woocommerce_query['post__in'])>0)
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$woocommerce_query['filtered_product_ids'] = array_intersect($woocommerce_query['unfiltered_product_ids'], $woocommerce_query['post__in']);
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else
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$woocommerce_query['filtered_product_ids'] = $woocommerce_query['unfiltered_product_ids'];
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}
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/**
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* Layered Nav Init
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*/
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function woocommerce_layered_nav_init() {
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global $_chosen_attributes, $wpdb;
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$attribute_taxonomies = woocommerce::$attribute_taxonomies;
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if ( $attribute_taxonomies ) :
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foreach ($attribute_taxonomies as $tax) :
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$attribute = strtolower(sanitize_title($tax->attribute_name));
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$taxonomy = 'product_attribute_' . $attribute;
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$name = 'filter_' . $attribute;
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if (isset($_GET[$name]) && taxonomy_exists($taxonomy)) $_chosen_attributes[$taxonomy] = explode(',', $_GET[$name] );
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endforeach;
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endif;
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}
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add_action('init', 'woocommerce_layered_nav_init', 1);
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/**
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* Layered Nav
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*/
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add_filter('loop-shop-posts-in', 'woocommerce_layered_nav_query');
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function woocommerce_layered_nav_query( $filtered_posts ) {
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global $_chosen_attributes, $wpdb;
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if (sizeof($_chosen_attributes)>0) :
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$matched_products = array();
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$filtered = false;
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foreach ($_chosen_attributes as $attribute => $values) :
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if (sizeof($values)>0) :
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foreach ($values as $value) :
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$posts = get_objects_in_term( $value, $attribute );
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if (!is_wp_error($posts) && (sizeof($matched_products)>0 || $filtered)) :
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$matched_products = array_intersect($posts, $matched_products);
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elseif (!is_wp_error($posts)) :
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$matched_products = $posts;
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endif;
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$filtered = true;
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endforeach;
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endif;
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endforeach;
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if ($filtered) :
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if (sizeof($filtered_posts)==0) :
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$filtered_posts = $matched_products;
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$filtered_posts[] = 0;
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else :
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$filtered_posts = array_intersect($filtered_posts, $matched_products);
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$filtered_posts[] = 0;
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endif;
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endif;
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endif;
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return (array) $filtered_posts;
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}
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/**
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* Price Filtering
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*/
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add_filter('loop-shop-posts-in', 'woocommerce_price_filter');
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function woocommerce_price_filter( $filtered_posts ) {
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if (isset($_GET['max_price']) && isset($_GET['min_price'])) :
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$matched_products = array();
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$matched_products_query = get_posts(array(
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'post_type' => 'product',
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'post_status' => 'publish',
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'posts_per_page' => -1,
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'meta_query' => array(
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array(
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'key' => 'price',
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'value' => array( $_GET['min_price'], $_GET['max_price'] ),
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'type' => 'NUMERIC',
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'compare' => 'BETWEEN'
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)
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),
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'tax_query' => array(
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array(
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'taxonomy' => 'product_type',
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'field' => 'slug',
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'terms' => 'grouped',
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'operator' => 'NOT IN'
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)
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)
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));
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if ($matched_products_query) :
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foreach ($matched_products_query as $product) :
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$matched_products[] = $product->ID;
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endforeach;
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endif;
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// Get grouped product ids
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$grouped_products = get_objects_in_term( get_term_by('slug', 'grouped', 'product_type')->term_id, 'product_type' );
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if ($grouped_products) foreach ($grouped_products as $grouped_product) :
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$children = get_children( 'post_parent='.$grouped_product.'&post_type=product' );
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if ($children) foreach ($children as $product) :
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$price = get_post_meta( $product->ID, 'price', true);
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if ($price<=$_GET['max_price'] && $price>=$_GET['min_price']) :
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$matched_products[] = $grouped_product;
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break;
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endif;
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endforeach;
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endforeach;
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// Filter the id's
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if (sizeof($filtered_posts)==0) :
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$filtered_posts = $matched_products;
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$filtered_posts[] = 0;
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else :
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$filtered_posts = array_intersect($filtered_posts, $matched_products);
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$filtered_posts[] = 0;
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endif;
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endif;
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return (array) $filtered_posts;
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} |