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Use the product attributes lookup table for the filter by attribute widget when enabled.

This commit is contained in:
Nestor Soriano 2021-05-14 17:04:25 +02:00
parent 32cce6032d
commit e085898fc4
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2 changed files with 201 additions and 66 deletions
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69
includes/widgets/class-wc-widget-layered-nav.php
View File

@ -6,6 +6,8 @@
* @version 2.6.0
*/
use Automattic\WooCommerce\Internal\ProductAttributesLookup\Filterer;
defined( 'ABSPATH' ) || exit;
/**
@ -342,72 +344,7 @@ class WC_Widget_Layered_Nav extends WC_Widget {
* @return array
*/
protected function get_filtered_term_product_counts( $term_ids, $taxonomy, $query_type ) {
global $wpdb;
$tax_query = $this->get_main_tax_query();
$meta_query = $this->get_main_meta_query();
if ( 'or' === $query_type ) {
foreach ( $tax_query as $key => $query ) {
if ( is_array( $query ) && $taxonomy === $query['taxonomy'] ) {
unset( $tax_query[ $key ] );
}
}
}
$meta_query = new WP_Meta_Query( $meta_query );
$tax_query = new WP_Tax_Query( $tax_query );
$meta_query_sql = $meta_query->get_sql( 'post', $wpdb->posts, 'ID' );
$tax_query_sql = $tax_query->get_sql( $wpdb->posts, 'ID' );
$term_ids_sql = '(' . implode( ',', array_map( 'absint', $term_ids ) ) . ')';
// Generate query.
$query = array();
$query['select'] = "SELECT COUNT( DISTINCT {$wpdb->posts}.ID ) AS term_count, terms.term_id AS term_count_id";
$query['from'] = "FROM {$wpdb->posts}";
$query['join'] = "
INNER JOIN {$wpdb->term_relationships} AS term_relationships ON {$wpdb->posts}.ID = term_relationships.object_id
INNER JOIN {$wpdb->term_taxonomy} AS term_taxonomy USING( term_taxonomy_id )
INNER JOIN {$wpdb->terms} AS terms USING( term_id )
" . $tax_query_sql['join'] . $meta_query_sql['join'];
$query['where'] = "
WHERE {$wpdb->posts}.post_type IN ( 'product' )
AND {$wpdb->posts}.post_status = 'publish'
{$tax_query_sql['where']} {$meta_query_sql['where']}
AND terms.term_id IN $term_ids_sql";
$search = $this->get_main_search_query_sql();
if ( $search ) {
$query['where'] .= ' AND ' . $search;
}
$query['group_by'] = 'GROUP BY terms.term_id';
$query = apply_filters( 'woocommerce_get_filtered_term_product_counts_query', $query );
$query_sql = implode( ' ', $query );
// We have a query - let's see if cached results of this query already exist.
$query_hash = md5( $query_sql );
// Maybe store a transient of the count values.
$cache = apply_filters( 'woocommerce_layered_nav_count_maybe_cache', true );
if ( true === $cache ) {
$cached_counts = (array) get_transient( 'wc_layered_nav_counts_' . sanitize_title( $taxonomy ) );
} else {
$cached_counts = array();
}
if ( ! isset( $cached_counts[ $query_hash ] ) ) {
// phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared
$results = $wpdb->get_results( $query_sql, ARRAY_A );
$counts = array_map( 'absint', wp_list_pluck( $results, 'term_count', 'term_count_id' ) );
$cached_counts[ $query_hash ] = $counts;
if ( true === $cache ) {
set_transient( 'wc_layered_nav_counts_' . sanitize_title( $taxonomy ), $cached_counts, DAY_IN_SECONDS );
}
}
return array_map( 'absint', (array) $cached_counts[ $query_hash ] );
return wc_get_container()->get( Filterer::class )->get_filtered_term_product_counts( $term_ids, $taxonomy, $query_type );
}
/**

198
src/Internal/ProductAttributesLookup/Filterer.php
View File

@ -116,4 +116,202 @@ class Filterer {
return $args;
}
/**
* Count products within certain terms, taking the main WP query into consideration,
* for the WC_Widget_Layered_Nav widget.
*
* This query allows counts to be generated based on the viewed products, not all products.
*
* @param array $term_ids Term IDs.
* @param string $taxonomy Taxonomy.
* @param string $query_type Query Type.
* @return array
*/
public function get_filtered_term_product_counts( $term_ids, $taxonomy, $query_type ) {
global $wpdb;
$use_lookup_table = $this->filtering_via_lookup_table_is_active();
$tax_query = \WC_Query::get_main_tax_query();
$meta_query = \WC_Query::get_main_meta_query();
if ( 'or' === $query_type ) {
foreach ( $tax_query as $key => $query ) {
if ( is_array( $query ) && $taxonomy === $query['taxonomy'] ) {
unset( $tax_query[ $key ] );
}
}
}
$meta_query = new \WP_Meta_Query( $meta_query );
$tax_query = new \WP_Tax_Query( $tax_query );
if ( $use_lookup_table ) {
$query = $this->get_product_counts_query_using_lookup_table( $tax_query, $meta_query, $taxonomy, $term_ids );
} else {
$query = $this->get_product_counts_query_not_using_lookup_table( $tax_query, $meta_query, $term_ids );
}
$query = apply_filters( 'woocommerce_get_filtered_term_product_counts_query', $query );
$query_sql = implode( ' ', $query );
// We have a query - let's see if cached results of this query already exist.
$query_hash = md5( $query_sql );
// Maybe store a transient of the count values.
$cache = apply_filters( 'woocommerce_layered_nav_count_maybe_cache', true );
if ( true === $cache ) {
$cached_counts = (array) get_transient( 'wc_layered_nav_counts_' . sanitize_title( $taxonomy ) );
} else {
$cached_counts = array();
}
if ( ! isset( $cached_counts[ $query_hash ] ) ) {
// phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared
$results = $wpdb->get_results( $query_sql, ARRAY_A );
$counts = array_map( 'absint', wp_list_pluck( $results, 'term_count', 'term_count_id' ) );
$cached_counts[ $query_hash ] = $counts;
if ( true === $cache ) {
set_transient( 'wc_layered_nav_counts_' . sanitize_title( $taxonomy ), $cached_counts, DAY_IN_SECONDS );
}
}
return array_map( 'absint', (array) $cached_counts[ $query_hash ] );
}
/**
* Get the query for counting products by terms using the product attributes lookup table.
*
* @param \WP_Tax_Query $tax_query The current main tax query.
* @param \WP_Meta_Query $meta_query The current main meta query.
* @param string $taxonomy The attribute name to get the term counts for.
* @param string $term_ids The term ids to include in the search.
* @return array An array of SQL query parts.
*/
private function get_product_counts_query_using_lookup_table( $tax_query, $meta_query, $taxonomy, $term_ids ) {
global $wpdb;
$meta_query_sql = $meta_query->get_sql( 'post', $this->lookup_table_name, 'product_or_parent_id' );
$tax_query_sql = $tax_query->get_sql( $this->lookup_table_name, 'product_or_parent_id' );
$hide_out_of_stock = 'yes' === get_option( 'woocommerce_hide_out_of_stock_items' );
$in_stock_clause = $hide_out_of_stock ? ' AND in_stock = 1' : '';
$query['select'] = 'SELECT COUNT(DISTINCT product_or_parent_id) as term_count, term_id as term_count_id';
$query['from'] = "FROM {$this->lookup_table_name}";
$query['join'] = "INNER JOIN {$wpdb->posts} ON {$wpdb->posts}.ID = {$this->lookup_table_name}.product_or_parent_id";
$term_ids_sql = $this->get_term_ids_sql( $term_ids );
$query['where'] = "
WHERE {$wpdb->posts}.post_type IN ( 'product' )
AND {$wpdb->posts}.post_status = 'publish'
{$tax_query_sql['where']} {$meta_query_sql['where']}
AND {$this->lookup_table_name}.taxonomy='{$taxonomy}'
AND {$this->lookup_table_name}.term_id IN $term_ids_sql
{$in_stock_clause}";
if ( ! empty( $term_ids ) ) {
$attributes_to_filter_by = \WC_Query::get_layered_nav_chosen_attributes();
if ( ! empty( $attributes_to_filter_by ) ) {
$all_terms_to_filter_by = array();
foreach ( $attributes_to_filter_by as $taxonomy => $data ) {
$all_terms = get_terms( $taxonomy, array( 'hide_empty' => false ) );
$term_ids_by_slug = wp_list_pluck( $all_terms, 'term_id', 'slug' );
$term_ids_to_filter_by = array_values( array_intersect_key( $term_ids_by_slug, array_flip( $data['terms'] ) ) );
$all_terms_to_filter_by = array_merge( $all_terms_to_filter_by, $term_ids_to_filter_by );
$term_ids_to_filter_by_list = '(' . join( ',', $term_ids_to_filter_by ) . ')';
$count = count( $term_ids_to_filter_by );
if ( 0 !== $count ) {
$query['where'] .= ' AND product_or_parent_id IN (';
if ( 'and' === $attributes_to_filter_by[ $taxonomy ]['query_type'] ) {
$query['where'] .= "
SELECT product_or_parent_id
FROM {$this->lookup_table_name} lt
WHERE is_variation_attribute=0
{$in_stock_clause}
AND term_id in {$term_ids_to_filter_by_list}
GROUP BY product_id
HAVING COUNT(product_id)={$count}
UNION
SELECT product_or_parent_id
FROM {$this->lookup_table_name} lt
WHERE is_variation_attribute=1
{$in_stock_clause}
AND term_id in {$term_ids_to_filter_by_list}
)";
} else {
$query['where'] .= "
SELECT product_or_parent_id FROM {$this->lookup_table_name}
WHERE term_id in {$term_ids_to_filter_by_list}
{$in_stock_clause}
)";
}
}
}
} else {
$query['where'] .= $in_stock_clause;
}
} elseif ( $hide_out_of_stock ) {
$query['where'] .= " AND {$this->lookup_table_name}.in_stock=1";
}
$search_query_sql = \WC_Query::get_main_search_query_sql();
if ( $search_query_sql ) {
$query['where'] .= ' AND ' . $search_query_sql;
}
$query['group_by'] = 'GROUP BY terms.term_id';
$query['group_by'] = "GROUP BY {$this->lookup_table_name}.term_id";
return $query;
}
/**
* Get the query for counting products by terms NOT using the product attributes lookup table.
*
* @param \WP_Tax_Query $tax_query The current main tax query.
* @param \WP_Meta_Query $meta_query The current main meta query.
* @param string $term_ids The term ids to include in the search.
* @return array An array of SQL query parts.
*/
private function get_product_counts_query_not_using_lookup_table( $tax_query, $meta_query, $term_ids ) {
global $wpdb;
$meta_query_sql = $meta_query->get_sql( 'post', $wpdb->posts, 'ID' );
$tax_query_sql = $tax_query->get_sql( $wpdb->posts, 'ID' );
// Generate query.
$query = array();
$query['select'] = "SELECT COUNT( DISTINCT {$wpdb->posts}.ID ) AS term_count, terms.term_id AS term_count_id";
$query['from'] = "FROM {$wpdb->posts}";
$query['join'] = "
INNER JOIN {$wpdb->term_relationships} AS term_relationships ON {$wpdb->posts}.ID = term_relationships.object_id
INNER JOIN {$wpdb->term_taxonomy} AS term_taxonomy USING( term_taxonomy_id )
INNER JOIN {$wpdb->terms} AS terms USING( term_id )
" . $tax_query_sql['join'] . $meta_query_sql['join'];
$term_ids_sql = $this->get_term_ids_sql( $term_ids );
$query['where'] = "
WHERE {$wpdb->posts}.post_type IN ( 'product' )
AND {$wpdb->posts}.post_status = 'publish'
{$tax_query_sql['where']} {$meta_query_sql['where']}
AND terms.term_id IN $term_ids_sql";
$search_query_sql = \WC_Query::get_main_search_query_sql();
if ( $search_query_sql ) {
$query['where'] .= ' AND ' . $search_query_sql;
}
$query['group_by'] = 'GROUP BY terms.term_id';
return $query;
}
/**
* Formats a list of term ids as "(id,id,id)".
*
* @param array $term_ids The list of terms to format.
* @return string The formatted list.
*/
private function get_term_ids_sql( $term_ids ) {
return '(' . implode( ',', array_map( 'absint', $term_ids ) ) . ')';
}
}