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woocommerce
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product query action

This commit is contained in:
Mike Jolley 2012-08-02 22:54:26 +01:00
parent 7dda8fcbd3
commit 34691f098c
1 changed files with 64 additions and 62 deletions
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126
classes/class-wc-query.php
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@ -8,14 +8,14 @@
* @author WooThemes
*/
class WC_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 $layered_nav_product_ids = array(); // Stores posts matching layered nav, so price filter can find max price in view
/** constructor */
function __construct() {
add_filter( 'pre_get_posts', array( &$this, 'pre_get_posts') );
@ -28,52 +28,52 @@ class WC_Query {
*/
function pre_get_posts( $q ) {
global $woocommerce;
// We only want to affect the main query
if ( ! $q->is_main_query() )
return;
// Special check for shops with the product archive on front
if ( $q->is_page() && 'page' == get_option( 'show_on_front' ) && $q->get('page_id') == woocommerce_get_page_id('shop') ) {
// This is a front-page shop
// This is a front-page shop
$q->set( 'post_type', 'product' );
$q->set( 'page_id', '' );
if ( isset( $q->query['paged'] ) )
$q->set( 'paged', $q->query['paged'] );
// Define a variable so we know this is the front page shop later on
define( 'SHOP_IS_ON_FRONT', true );
// Get the actual WP page to avoid errors and let us use is_front_page()
// This is hacky but works. Awaiting http://core.trac.wordpress.org/ticket/21096
global $wp_post_types;
$q->is_page = true;
$shop_page = get_post( woocommerce_get_page_id('shop') );
$wp_post_types['product']->ID = $shop_page->ID;
$wp_post_types['product']->post_title = $shop_page->post_title;
$wp_post_types['product']->post_name = $shop_page->post_name;
// Fix conditional Functions like is_front_page
$q->is_singular = false;
$q->is_post_type_archive = true;
$q->is_archive = true;
} else {
// Only apply to product categories, the product post archive, the shop page, product tags, and product attribute taxonomies
if ( ! $q->is_post_type_archive( 'product' ) && ! $q->is_tax( array_merge( array('product_cat', 'product_tag'), $woocommerce->get_attribute_taxonomy_names() ) ) )
if ( ! $q->is_post_type_archive( 'product' ) && ! $q->is_tax( array_merge( array('product_cat', 'product_tag'), $woocommerce->get_attribute_taxonomy_names() ) ) )
return;
}
$this->product_query( $q );
// We're on a shop page so queue the woocommerce_get_products_in_view function
add_action( 'wp', array( &$this, 'get_products_in_view' ), 2);
// And remove the pre_get_posts hook
$this->remove_product_query();
}
@ -83,40 +83,40 @@ class WC_Query {
*/
function the_posts( $posts, $query = false ) {
global $woocommerce;
// Abort if theres no query
if ( ! $query )
return $posts;
// Abort if we're not filtering posts
if ( empty( $this->post__in ) )
return $posts;
// Abort if this query has already been done
if ( ! empty( $query->wc_query ) )
return $posts;
// Abort if this isn't a search query
// Abort if this isn't a search query
if ( empty( $query->query_vars["s"] ) )
return $posts;
// Abort if we're not on a post type archive/product taxonomy
if ( ! $query->is_post_type_archive( 'product' ) && ! $query->is_tax( array_merge( array('product_cat', 'product_tag'), $woocommerce->get_attribute_taxonomy_names() ) ) )
if ( ! $query->is_post_type_archive( 'product' ) && ! $query->is_tax( array_merge( array('product_cat', 'product_tag'), $woocommerce->get_attribute_taxonomy_names() ) ) )
return $posts;
$filtered_posts = array();
$queried_post_ids = array();
foreach ( $posts as $post ) {
if ( in_array( $post->ID, $this->post__in ) ) {
$filtered_posts[] = $post;
$queried_post_ids[] = $post->ID;
}
}
}
$query->posts = $filtered_posts;
$query->post_count = count( $filtered_posts );
// Ensure filters are set
$this->unfiltered_product_ids = $queried_post_ids;
$this->filtered_product_ids = $queried_post_ids;
@ -129,42 +129,44 @@ class WC_Query {
return $filtered_posts;
}
/**
* Query the products, applying sorting/ordering etc. This applies to the main wordpress loop
*/
function product_query( $q ) {
// 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'] ) )
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' ) )
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', $q->get( 'posts_per_page' ) ? $q->get( 'posts_per_page' ) : apply_filters( 'loop_shop_per_page', get_option( 'posts_per_page' ) ) );
// Set a special variable
$q->set( 'wc_query', true );
// Store variables
$this->post__in = $post__in;
$this->meta_query = $meta_query;
do_action( 'woocommerce_product_query', $q, $this );
}
/**
@ -173,30 +175,30 @@ class WC_Query {
function remove_product_query() {
remove_filter( 'pre_get_posts', array( &$this, 'pre_get_posts') );
}
/**
* Get an unpaginated list all product ID's (both filtered and unfiltered). Makes use of transients.
*/
function get_products_in_view() {
global $wp_the_query;
$unfiltered_product_ids = array();
// Get main query
$current_wp_query = $wp_the_query->query;
// Get WP Query for current page (without 'paged')
unset( $current_wp_query['paged'] );
// Generate a transient name based on current query
$transient_name = 'wc_uf_pid_' . md5( http_build_query( $current_wp_query ) );
$transient_name = ( is_search() ) ? $transient_name . '_s' : $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(
array_merge(
$current_wp_query,
array(
'post_type' => 'product',
@ -210,32 +212,32 @@ class WC_Query {
)
)
);
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;
// 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;
}
/**
* 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'] : apply_filters( 'woocommerce_default_catalog_orderby', get_option( 'woocommerce_default_catalog_orderby' ) );
switch ( $current_order ) {
case 'date' :
$orderby = 'date';
@ -255,35 +257,35 @@ class WC_Query {
default :
$orderby = 'menu_order title';
$order = 'asc';
$meta_key = '';
$meta_key = '';
break;
}
$args = array();
$args['orderby'] = $orderby;
$args['order'] = $order;
if ($meta_key)
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
*/
@ -298,5 +300,5 @@ class WC_Query {
}
return $meta_query;
}
}