File: /home/salamatk/.trash/woodmart1/inc/widgets/class-widget-price-filter.php
<?php if ( ! defined('WOODMART_THEME_DIR')) exit('No direct script access allowed');
/**
* Price filter step
*
*/
if( ! class_exists( 'WOODMART_Widget_Price_Filter' ) ) {
class WOODMART_Widget_Price_Filter extends WPH_Widget {
private $_check_ranges = false;
function __construct() {
if( ! woodmart_woocommerce_installed() ) return;
// Configure widget array
$args = array(
// Widget Backend label
'label' => esc_html__( 'WOODMART Price filter', 'woodmart' ),
// Widget Backend Description
'description' =>esc_html__( 'Price filter list', 'woodmart' ),
'slug' => 'woodmart-price-filter',
);
// Configure the widget fields
// fields array
$args['fields'] = array(
array(
'id' => 'title',
'type' => 'text',
'std' => esc_html__( 'Price filter', 'woodmart' ),
'name' => esc_html__( 'Title', 'woodmart' )
),
array(
'id' => 'show_ranges',
'type' => 'checkbox',
'name' => esc_html__( 'Show empty price ranges', 'woodmart' ),
'description' => esc_html__( 'May increase this widget performance if you have a lot of products in your store.', 'woodmart' ),
),
);
$this->_check_ranges = apply_filters('woodmart_check_ranges_price_filter', true);
// create widget
$this->create_widget( $args );
}
// Output function
// Based on woo widget @version 2.3.0
function widget( $args, $instance ) {
global $wp, $wp_the_query;
if ( ! is_post_type_archive( 'product' ) && ! is_tax( get_object_taxonomies( 'product' ) ) ) {
return;
}
if ( ! $wp_the_query->post_count ) {
return;
}
$min_price = isset( $_GET['min_price'] ) ? esc_attr( $_GET['min_price'] ) : '';
$max_price = isset( $_GET['max_price'] ) ? esc_attr( $_GET['max_price'] ) : '';
// Find min and max price in current result set
//WC 3.6.0
if ( function_exists( 'WC' ) && version_compare( WC()->version, '3.6.0', '<' ) ) {
$prices = $this->get_filtered_price();
} else {
$prices = $this->get_filtered_price_new();
}
$min = apply_filters( 'woocommerce_price_filter_widget_min_amount', floor( $prices->min_price ) );
$max = apply_filters( 'woocommerce_price_filter_widget_max_amount', ceil( $prices->max_price ) );
if ( $min === $max ) {
return;
}
echo wp_kses_post( $args['before_widget'] );
if ( $title = apply_filters( 'widget_title', empty( $instance['title'] ) ? '' : $instance['title'], $instance ) ) {
echo wp_kses_post( $args['before_title'] ) . $title . wp_kses_post( $args['after_title'] );
}
/**
* Adjust max if the store taxes are not displayed how they are stored.
* Min is left alone because the product may not be taxable.
* Kicks in when prices excluding tax are displayed including tax.
*/
if ( wc_tax_enabled() && 'incl' === get_option( 'woocommerce_tax_display_shop' ) && ! wc_prices_include_tax() ) {
$tax_classes = array_merge( array( '' ), WC_Tax::get_tax_classes() );
$class_max = $max;
foreach ( $tax_classes as $tax_class ) {
if ( $tax_rates = WC_Tax::get_rates( $tax_class ) ) {
$class_max = $max + WC_Tax::get_tax_total( WC_Tax::calc_exclusive_tax( $max, $tax_rates ) );
}
}
$max = $class_max;
}
$show_ranges = isset( $instance['show_ranges'] ) ? $instance['show_ranges'] : true;
$links = $this->generate_price_links( $min, $max, $min_price, $max_price, $show_ranges );
if( ! empty( $links ) ) {
?>
<div class="woodmart-price-filter">
<ul>
<?php foreach ($links as $link) : ?>
<li>
<a rel="nofollow noopener" href="<?php echo esc_url( $link['href'] ); ?>" class="<?php echo esc_attr( $link['class'] ); ?>"><?php echo wp_kses( $link['title'], woodmart_get_allowed_html() ); ?></a>
</li>
<?php endforeach; ?>
</ul>
</div>
<?php
}
echo wp_kses_post( $args['after_widget'] );
}
/**
* Get filtered min price for current products.
* @return int
*/
protected function get_filtered_price() {
global $wpdb, $wp_the_query;
$args = $wp_the_query->query_vars;
$tax_query = isset( $args['tax_query'] ) ? $args['tax_query'] : array();
$meta_query = isset( $args['meta_query'] ) ? $args['meta_query'] : array();
if ( ! empty( $args['taxonomy'] ) && ! empty( $args['term'] ) ) {
$tax_query[] = array(
'taxonomy' => $args['taxonomy'],
'terms' => array( $args['term'] ),
'field' => 'slug',
);
}
foreach ( $meta_query as $key => $query ) {
if ( ! empty( $query['price_filter'] ) || ! empty( $query['rating_filter'] ) ) {
unset( $meta_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' );
$sql = "SELECT min( FLOOR( price_meta.meta_value ) ) as min_price, max( CEILING( price_meta.meta_value ) ) as max_price FROM {$wpdb->posts} ";
$sql .= " LEFT JOIN {$wpdb->postmeta} as price_meta ON {$wpdb->posts}.ID = price_meta.post_id " . $tax_query_sql['join'] . $meta_query_sql['join'];
$sql .= " WHERE {$wpdb->posts}.post_type = 'product'
AND {$wpdb->posts}.post_status = 'publish'
AND price_meta.meta_key IN ('" . implode( "','", array_map( 'esc_sql', apply_filters( 'woocommerce_price_filter_meta_keys', array( '_price' ) ) ) ) . "')
AND price_meta.meta_value > '' ";
$sql .= $tax_query_sql['where'] . $meta_query_sql['where'];
return $wpdb->get_row( $sql );
}
protected function get_filtered_price_new() {
global $wpdb;
$args = WC()->query->get_main_query()->query_vars;
$tax_query = isset( $args['tax_query'] ) ? $args['tax_query'] : array();
$meta_query = isset( $args['meta_query'] ) ? $args['meta_query'] : array();
if ( ! is_post_type_archive( 'product' ) && ! empty( $args['taxonomy'] ) && ! empty( $args['term'] ) ) {
$tax_query[] = array(
'taxonomy' => $args['taxonomy'],
'terms' => array( $args['term'] ),
'field' => 'slug',
);
}
foreach ( $meta_query + $tax_query as $key => $query ) {
if ( ! empty( $query['price_filter'] ) || ! empty( $query['rating_filter'] ) ) {
unset( $meta_query[ $key ] );
}
}
$meta_query = new WP_Meta_Query( $meta_query );
$tax_query = new WP_Tax_Query( $tax_query );
$search = WC_Query::get_main_search_query_sql();
$meta_query_sql = $meta_query->get_sql( 'post', $wpdb->posts, 'ID' );
$tax_query_sql = $tax_query->get_sql( $wpdb->posts, 'ID' );
$search_query_sql = $search ? ' AND ' . $search : '';
$sql = "
SELECT min( min_price ) as min_price, MAX( max_price ) as max_price
FROM {$wpdb->wc_product_meta_lookup}
WHERE product_id IN (
SELECT ID FROM {$wpdb->posts}
" . $tax_query_sql['join'] . $meta_query_sql['join'] . "
WHERE {$wpdb->posts}.post_type IN ('" . implode( "','", array_map( 'esc_sql', apply_filters( 'woocommerce_price_filter_post_type', array( 'product' ) ) ) ) . "')
AND {$wpdb->posts}.post_status = 'publish'
" . $tax_query_sql['where'] . $meta_query_sql['where'] . $search_query_sql . '
)';
$sql = apply_filters( 'woocommerce_price_filter_sql', $sql, $meta_query_sql, $tax_query_sql );
return $wpdb->get_row( $sql ); // WPCS: unprepared SQL ok.
}
private function generate_price_links( $min, $max, $min_price, $max_price, $show_ranges ) {
$links = array();
// Remember current filters/search
$link = woodmart_shop_page_link( true );
$link_no_price = remove_query_arg('min_price', $link);
$link_no_price = remove_query_arg('max_price', $link_no_price);
$need_more = false;
$steps = 4;
//$steps = $max / $step_value;
$step_value = $max / $steps;
if( $step_value < 10) $step_value = 10;
$step_value = round( $step_value, -1 );
$all_link_class = '';
if ( empty( $min_price ) && empty( $max_price ) ) {
$all_link_class = 'current-state';
}
// Link to all prices
$links[] = array(
'href' => $link_no_price,
'title' => esc_html__('All', 'woodmart'),
'class' => $all_link_class
);
for( $i = 0; $i < (int) $steps; $i++ ) {
$step_title = $step_class = $href = '';
$step_min = $step_value * $i;
$step_max = $step_value * ( $i + 1 );
if( $step_max > $max ) {
$need_more = true;
$i++;
break;
}
$href = add_query_arg('min_price', $step_min, $link);
$href = add_query_arg('max_price', $step_max, $href);
$step_title = wc_price( $step_min ) . ' - ' . wc_price( $step_max );
if( ! empty( $min_price ) && ! empty( $max_price ) && ( $min_price >= $step_min && $max_price <= $step_max )
|| ( $i == 0 && ! empty( $max_price ) && $max_price <= $step_max )
) {
$step_class = 'current-state';
}
//WC 3.6.0
if ( function_exists( 'WC' ) && version_compare( WC()->version, '3.6.0', '<' ) ) {
if( $this->check_range($step_min, $step_max, $show_ranges ) ) {
$links[] = array(
'href' => $href,
'title' => $step_title,
'class' => $step_class
);
}
} else {
if( $this->check_range_new($step_min, $step_max, $show_ranges ) ) {
$links[] = array(
'href' => $href,
'title' => $step_title,
'class' => $step_class
);
}
}
}
if( $max > $step_max ) {
$need_more = true;
$step_min = $step_value * $i;
}
if( $need_more ) {
$step_title = $step_class = $href = '';
$href = add_query_arg('min_price', $step_min, $link);
$href = add_query_arg('max_price', $max, $href);
$step_title = wc_price( $step_min ) . ' +';
if( $min_price >= $step_min && $max_price <= $max ) {
$step_class = 'current-state';
}
//WC 3.6.0
if ( function_exists( 'WC' ) && version_compare( WC()->version, '3.6.0', '<' ) ) {
if( $this->check_range($step_min, $step_max, $show_ranges ) ) {
$links[] = array(
'href' => $href,
'title' => $step_title,
'class' => $step_class
);
}
} else {
if( $this->check_range_new($step_min, $step_max, $show_ranges ) ) {
$links[] = array(
'href' => $href,
'title' => $step_title,
'class' => $step_class
);
}
}
}
return $links;
}
private function check_range($min, $max, $show_ranges) {
global $wpdb;
if( ! $this->_check_ranges || $show_ranges ) return true;
$tax_query = WC_Query::get_main_tax_query();
$meta_query = WC_Query::get_main_meta_query();
$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' );
// Generate query
$query = array();
$query['select'] = "SELECT COUNT( DISTINCT {$wpdb->posts}.ID ) as range_count";
$query['from'] = "FROM {$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 {$wpdb->terms} AS terms USING( term_id )
INNER JOIN {$wpdb->postmeta} ON ( {$wpdb->posts}.ID = {$wpdb->postmeta}.post_id )
" . $tax_query_sql['join'];
$query['where'] = "
WHERE {$wpdb->posts}.post_type IN ( 'product' )
AND {$wpdb->posts}.post_status = 'publish'
AND {$wpdb->postmeta}.meta_key = '_price' AND CAST({$wpdb->postmeta}.meta_value AS DECIMAL) BETWEEN '" . $min . "' AND '" . $max . "'
" . $tax_query_sql['where'] . "
";
if ( method_exists('WC_Query', 'get_main_search_query_sql') && $search = WC_Query::get_main_search_query_sql() ) {
$query['where'] .= ' AND ' . $search;
if ( woodmart_get_opt( 'search_by_sku' ) ) {
// search for variations with a matching sku and return the parent.
$sku_to_parent_id = $wpdb->get_col( $wpdb->prepare( "SELECT p.post_parent as post_id FROM {$wpdb->posts} as p join {$wpdb->postmeta} pm on p.ID = pm.post_id and pm.meta_key='_sku' and pm.meta_value LIKE '%%%s%%' where p.post_parent <> 0 group by p.post_parent", wc_clean( $_GET['s'] ) ) );
//Search for a regular product that matches the sku.
$sku_to_id = $wpdb->get_col( $wpdb->prepare( "SELECT post_id FROM {$wpdb->postmeta} WHERE meta_key='_sku' AND meta_value LIKE '%%%s%%';", wc_clean( $_GET['s'] ) ) );
$search_ids = array_merge( $sku_to_id, $sku_to_parent_id );
$search_ids = array_filter( array_map( 'absint', $search_ids ) );
if ( sizeof( $search_ids ) > 0 ) {
$query['where'] = str_replace( '))', ") OR ({$wpdb->posts}.ID IN (" . implode( ',', $search_ids ) . ")))", $query['where'] );
}
}
}
$query = implode( ' ', $query );
$results = $wpdb->get_var( $query );
return $results > 0;
}
private function check_range_new($min, $max, $show_ranges) {
global $wpdb;
if( ! $this->_check_ranges || $show_ranges ) return true;
$tax_query = WC_Query::get_main_tax_query();
$meta_query = WC_Query::get_main_meta_query();
$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' );
// Generate query
$query = array();
$query['select'] = "SELECT COUNT( DISTINCT {$wpdb->posts}.ID ) as range_count";
$query['from'] = "FROM {$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 {$wpdb->terms} AS terms USING( term_id )
INNER JOIN {$wpdb->wc_product_meta_lookup} ON ( {$wpdb->posts}.ID = {$wpdb->wc_product_meta_lookup}.product_id )
" . $tax_query_sql['join'];
$query['where'] = "
WHERE {$wpdb->posts}.post_type IN ( 'product' )
AND {$wpdb->posts}.post_status = 'publish'
AND {$wpdb->wc_product_meta_lookup}.min_price >= '" . $min . "' AND {$wpdb->wc_product_meta_lookup}.max_price <= '" . $max . "'
" . $tax_query_sql['where'] . "
";
if ( method_exists('WC_Query', 'get_main_search_query_sql') && $search = WC_Query::get_main_search_query_sql() ) {
$query['where'] .= ' AND ' . $search;
if ( woodmart_get_opt( 'search_by_sku' ) ) {
// search for variations with a matching sku and return the parent.
$sku_to_parent_id = $wpdb->get_col( $wpdb->prepare( "SELECT p.post_parent as post_id FROM {$wpdb->posts} as p join {$wpdb->wc_product_meta_lookup} ml on p.ID = ml.product_id and ml.sku LIKE '%%%s%%' where p.post_parent <> 0 group by p.post_parent", wc_clean( $_GET['s'] ) ) );
//Search for a regular product that matches the sku.
$sku_to_id = $wpdb->get_col( $wpdb->prepare( "SELECT product_id FROM {$wpdb->wc_product_meta_lookup} WHERE sku LIKE '%%%s%%';", wc_clean( $_GET['s'] ) ) );
$search_ids = array_merge( $sku_to_id, $sku_to_parent_id );
$search_ids = array_filter( array_map( 'absint', $search_ids ) );
if ( sizeof( $search_ids ) > 0 ) {
$query['where'] = str_replace( '))', ") OR ({$wpdb->posts}.ID IN (" . implode( ',', $search_ids ) . ")))", $query['where'] );
}
}
}
$query = implode( ' ', $query );
$results = $wpdb->get_var( $query );
return $results > 0;
}
function form( $instance ) {
parent::form( $instance );
}
}
}