228 lines
7.0 KiB
PHP
228 lines
7.0 KiB
PHP
<?php
|
|
/**
|
|
* Contains the query functions for WooCommerce which alter the front-end post queries and loops.
|
|
*
|
|
* @class woocommerce
|
|
* @package WooCommerce
|
|
* @category Class
|
|
* @author WooThemes
|
|
*/
|
|
class woocommerce_query {
|
|
|
|
var $unfiltered_product_ids = array(); // Unfiltered product ids (before layered nav etc)
|
|
var $filtered_product_ids = array(); // Filtered product ids (after layered nav)
|
|
var $post__in = array(); // Product id's that match the layered nav + price filter
|
|
var $meta_query = ''; // The meta query for the page
|
|
var $layered_nav_post__in = array(); // posts matching layered nav only
|
|
var $layered_nav_product_ids = array(); // Stores posts matching layered nav, so price filter can find max price in view
|
|
|
|
/** constructor */
|
|
function __construct() {
|
|
add_filter( 'parse_query', array( &$this, 'parse_query') );
|
|
add_action('wp', array( &$this, 'remove_parse_query') );
|
|
}
|
|
|
|
/**
|
|
* Query the products, applying sorting/ordering etc. This applies to the main wordpress loop
|
|
*/
|
|
function parse_query( $q ) {
|
|
|
|
if (is_admin()) return;
|
|
|
|
// Only apply to product categories, the product post archive, the shop page, and product tags
|
|
if (
|
|
(
|
|
isset( $q->query_vars['suppress_filters'] )
|
|
&& true == $q->query_vars['suppress_filters']
|
|
) || (
|
|
!$q->is_tax( 'product_cat' )
|
|
&& !$q->is_tax( 'product_tag' )
|
|
&& !$q->is_post_type_archive( 'product' )
|
|
// this rule should be covered by the above && !$q->is_page(get_option('woocommerce_shop_page_id'))
|
|
)
|
|
)
|
|
return;
|
|
|
|
// Meta query
|
|
$meta_query = (array) $q->get( 'meta_query' );
|
|
$meta_query[] = $this->visibility_meta_query();
|
|
$meta_query[] = $this->stock_status_meta_query();
|
|
|
|
// Ordering
|
|
$ordering = $this->get_catalog_ordering_args();
|
|
|
|
// Get a list of post id's which match the current filters set (in the layered nav and price filter)
|
|
$post__in = array_unique(apply_filters('loop_shop_post_in', array()));
|
|
|
|
// Ordering query vars
|
|
$q->set( 'orderby', $ordering['orderby'] );
|
|
$q->set( 'order', $ordering['order'] );
|
|
if (isset($ordering['meta_key'])) $q->set( 'meta_key', $ordering['meta_key'] );
|
|
|
|
// Query vars that affect posts shown
|
|
if (!$q->is_tax( 'product_cat' ) && !$q->is_tax( 'product_tag' )) $q->set( 'post_type', 'product' );
|
|
$q->set( 'meta_query', $meta_query );
|
|
$q->set( 'post__in', $post__in );
|
|
$q->set( 'posts_per_page', apply_filters('loop_shop_per_page', get_option('posts_per_page')) );
|
|
|
|
// Store variables
|
|
$this->post__in = $post__in;
|
|
$this->meta_query = $meta_query;
|
|
|
|
// We're on a shop page so queue the woocommerce_get_products_in_view function
|
|
add_action('wp', array( &$this, 'get_products_in_view' ), 2);
|
|
}
|
|
|
|
/**
|
|
* Remove parse_query so it only applies to main loop
|
|
*/
|
|
function remove_parse_query() {
|
|
remove_filter( 'parse_query', array( &$this, 'parse_query') );
|
|
}
|
|
|
|
/**
|
|
* Get an unpaginated list all product ID's (both filtered and unfiltered). Makes use of transients.
|
|
*/
|
|
function get_products_in_view() {
|
|
global $wp_query;
|
|
|
|
$unfiltered_product_ids = array();
|
|
|
|
// Get WP Query for current page (without 'paged')
|
|
$current_wp_query = $wp_query->query;
|
|
unset($current_wp_query['paged']);
|
|
|
|
// Generate a transient name based on current query
|
|
$transient_name = 'woocommerce_unfiltered_product_ids_' . sanitize_key( http_build_query($current_wp_query) );
|
|
$transient_name = (is_search()) ? $transient_name . '_search' : $transient_name;
|
|
|
|
if ( false === ( $unfiltered_product_ids = get_transient( $transient_name ) ) ) {
|
|
|
|
// Get all visible posts, regardless of filters
|
|
$unfiltered_product_ids = get_posts(
|
|
array_merge(
|
|
$current_wp_query,
|
|
array(
|
|
'post_type' => 'product',
|
|
'numberposts' => -1,
|
|
'post_status' => 'publish',
|
|
'meta_query' => $this->meta_query,
|
|
'fields' => 'ids',
|
|
'no_found_rows' => true
|
|
)
|
|
)
|
|
);
|
|
|
|
set_transient( $transient_name, $unfiltered_product_ids );
|
|
}
|
|
|
|
// Store the variable
|
|
$this->unfiltered_product_ids = $unfiltered_product_ids;
|
|
|
|
// Also store filtered posts ids...
|
|
if (sizeof($this->post__in)>0) :
|
|
$this->filtered_product_ids = array_intersect($this->unfiltered_product_ids, $this->post__in);
|
|
else :
|
|
$this->filtered_product_ids = $this->unfiltered_product_ids;
|
|
endif;
|
|
|
|
// And filtered post ids which just take layered nav into consideration (to find max price in the price widget)
|
|
if (sizeof($this->layered_nav_post__in)>0) :
|
|
$this->layered_nav_product_ids = array_intersect($this->unfiltered_product_ids, $this->layered_nav_post__in);
|
|
else :
|
|
$this->layered_nav_product_ids = $this->unfiltered_product_ids;
|
|
endif;
|
|
}
|
|
|
|
/**
|
|
* Returns an array of arguments for ordering products based on the selected values
|
|
*/
|
|
function get_catalog_ordering_args() {
|
|
$current_order = (isset($_SESSION['orderby'])) ? $_SESSION['orderby'] : 'title';
|
|
|
|
switch ($current_order) :
|
|
case 'date' :
|
|
$orderby = 'date';
|
|
$order = 'desc';
|
|
$meta_key = '';
|
|
break;
|
|
case 'price' :
|
|
$orderby = 'meta_value_num';
|
|
$order = 'asc';
|
|
$meta_key = 'price';
|
|
break;
|
|
default :
|
|
$orderby = 'title';
|
|
$order = 'asc';
|
|
$meta_key = '';
|
|
break;
|
|
endswitch;
|
|
|
|
$args = array();
|
|
|
|
$args['orderby'] = $orderby;
|
|
$args['order'] = $order;
|
|
if ($meta_key) $args['meta_key'] = $meta_key;
|
|
|
|
return apply_filters('woocommerce_get_catalog_ordering_args', $args);
|
|
}
|
|
|
|
/**
|
|
* Returns a meta query to handle product visibility
|
|
*/
|
|
function visibility_meta_query( $compare = 'IN' ) {
|
|
if ( is_search() ) $in = array( 'visible', 'search' ); else $in = array( 'visible', 'catalog' );
|
|
|
|
$meta_query = array(
|
|
'key' => 'visibility',
|
|
'value' => $in,
|
|
'compare' => $compare
|
|
);
|
|
|
|
return $meta_query;
|
|
}
|
|
|
|
/**
|
|
* Returns a meta query to handle product stock status
|
|
*/
|
|
function stock_status_meta_query( $status = 'instock' ) {
|
|
$meta_query = array();
|
|
if (get_option('woocommerce_hide_out_of_stock_items')=='yes') :
|
|
$meta_query = array(
|
|
'key' => 'stock_status',
|
|
'value' => $status,
|
|
'compare' => '='
|
|
);
|
|
endif;
|
|
return $meta_query;
|
|
}
|
|
|
|
/**
|
|
* Get a list of product id's which should be hidden from the frontend; useful for custom queries and loops. Makes use of transients.
|
|
*/
|
|
function get_hidden_product_ids() {
|
|
|
|
$transient_name = (is_search()) ? 'woocommerce_hidden_from_search_product_ids' : 'woocommerce_hidden_product_ids';
|
|
|
|
if ( false === ( $hidden_product_ids = get_transient( $transient_name ) ) ) {
|
|
|
|
$meta_query = array();
|
|
$meta_query[] = $this->visibility_meta_query( 'NOT IN' );
|
|
$meta_query[] = $this->stock_status_meta_query( 'outofstock' );
|
|
|
|
$hidden_product_ids = get_posts(array(
|
|
'post_type' => 'product',
|
|
'numberposts' => -1,
|
|
'post_status' => 'publish',
|
|
'meta_query' => $meta_query,
|
|
'fields' => 'ids',
|
|
'no_found_rows' => true
|
|
));
|
|
|
|
set_transient( $transient_name, $hidden_product_ids );
|
|
}
|
|
|
|
return (array) $hidden_product_ids;
|
|
}
|
|
|
|
} |