WC_Widget_Layered_Nav::get_instance_query_type() - Code Metrics - Inspection of "Adds filter for product categories displayed by `p..." - woocommerce/woocommerce - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( effa51...64c76e )

by Mike

created 2019-01-31 15:01 UTC

WC_Widget_Layered_Nav::get_instance_query_type() A

↳ Parent: WC_Widget_Layered_Nav

Complexity

Conditions	2
Paths	2

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	2
nc	2
nop	1
dl	0
loc	3
rs	10
c	0
b	0
f	0

<?php
/**
 * Layered nav widget
 *
 * @package WooCommerce/Widgets
 * @version 2.6.0
 */

defined( 'ABSPATH' ) || exit;

/**
 * Widget layered nav class.
 */
class WC_Widget_Layered_Nav extends WC_Widget {

	/**
	 * Constructor.
	 */
	public function __construct() {
		$this->widget_cssclass    = 'woocommerce widget_layered_nav woocommerce-widget-layered-nav';
		$this->widget_description = __( 'Display a list of attributes to filter products in your store.', 'woocommerce' );
		$this->widget_id          = 'woocommerce_layered_nav';
		$this->widget_name        = __( 'Filter Products by Attribute', 'woocommerce' );
		parent::__construct();
	}

	/**
	 * Updates a particular instance of a widget.
	 *
	 * @see WP_Widget->update
	 *
	 * @param array $new_instance New Instance.
	 * @param array $old_instance Old Instance.
	 *
	 * @return array
	 */
	public function update( $new_instance, $old_instance ) {
		$this->init_settings();
		return parent::update( $new_instance, $old_instance );
	}

	/**
	 * Outputs the settings update form.
	 *
	 * @see WP_Widget->form
	 *
	 * @param array $instance Instance.
	 */
	public function form( $instance ) {
		$this->init_settings();
		parent::form( $instance );
	}

	/**
	 * Init settings after post types are registered.
	 */
	public function init_settings() {
		$attribute_array      = array();
		$std_attribute        = '';
		$attribute_taxonomies = wc_get_attribute_taxonomies();

		if ( ! empty( $attribute_taxonomies ) ) {
			foreach ( $attribute_taxonomies as $tax ) {
				if ( taxonomy_exists( wc_attribute_taxonomy_name( $tax->attribute_name ) ) ) {
					$attribute_array[ $tax->attribute_name ] = $tax->attribute_name;
				}
			}
			$std_attribute = current( $attribute_array );
		}

		$this->settings = array(
			'title'        => array(
				'type'  => 'text',
				'std'   => __( 'Filter by', 'woocommerce' ),
				'label' => __( 'Title', 'woocommerce' ),
			),
			'attribute'    => array(
				'type'    => 'select',
				'std'     => $std_attribute,
				'label'   => __( 'Attribute', 'woocommerce' ),
				'options' => $attribute_array,
			),
			'display_type' => array(
				'type'    => 'select',
				'std'     => 'list',
				'label'   => __( 'Display type', 'woocommerce' ),
				'options' => array(
					'list'     => __( 'List', 'woocommerce' ),
					'dropdown' => __( 'Dropdown', 'woocommerce' ),
				),
			),
			'query_type'   => array(
				'type'    => 'select',
				'std'     => 'and',
				'label'   => __( 'Query type', 'woocommerce' ),
				'options' => array(
					'and' => __( 'AND', 'woocommerce' ),
					'or'  => __( 'OR', 'woocommerce' ),
				),
			),
		);
	}

	/**
	 * Get this widgets taxonomy.
	 *
	 * @param array $instance Array of instance options.
	 * @return string
	 */
	protected function get_instance_taxonomy( $instance ) {
		if ( isset( $instance['attribute'] ) ) {
			return wc_attribute_taxonomy_name( $instance['attribute'] );
		}

		$attribute_taxonomies = wc_get_attribute_taxonomies();

		if ( ! empty( $attribute_taxonomies ) ) {
			foreach ( $attribute_taxonomies as $tax ) {
				if ( taxonomy_exists( wc_attribute_taxonomy_name( $tax->attribute_name ) ) ) {
					return wc_attribute_taxonomy_name( $tax->attribute_name );
				}
			}
		}

		return '';
	}

	/**
	 * Get this widgets query type.
	 *
	 * @param array $instance Array of instance options.
	 * @return string
	 */
	protected function get_instance_query_type( $instance ) {
		return isset( $instance['query_type'] ) ? $instance['query_type'] : 'and';
	}

	/**
	 * Get this widgets display type.
	 *
	 * @param array $instance Array of instance options.
	 * @return string
	 */
	protected function get_instance_display_type( $instance ) {
		return isset( $instance['display_type'] ) ? $instance['display_type'] : 'list';
	}

	/**
	 * Output widget.
	 *
	 * @see WP_Widget
	 *
	 * @param array $args Arguments.
	 * @param array $instance Instance.
	 */
	public function widget( $args, $instance ) {
		if ( ! is_shop() && ! is_product_taxonomy() ) {
			return;
		}

		$_chosen_attributes = WC_Query::get_layered_nav_chosen_attributes();
		$taxonomy           = $this->get_instance_taxonomy( $instance );
		$query_type         = $this->get_instance_query_type( $instance );
		$display_type       = $this->get_instance_display_type( $instance );

		if ( ! taxonomy_exists( $taxonomy ) ) {
			return;
		}

		$get_terms_args = array( 'hide_empty' => '1' );

		$orderby = wc_attribute_orderby( $taxonomy );

		switch ( $orderby ) {
			case 'name':
				$get_terms_args['orderby']    = 'name';
				$get_terms_args['menu_order'] = false;
				break;
			case 'id':
				$get_terms_args['orderby']    = 'id';
				$get_terms_args['order']      = 'ASC';
				$get_terms_args['menu_order'] = false;
				break;
			case 'menu_order':
				$get_terms_args['menu_order'] = 'ASC';
				break;
		}

		$terms = get_terms( $taxonomy, $get_terms_args );

		if ( 0 === count( $terms ) ) {
			return;
		}

		switch ( $orderby ) {
			case 'name_num':
				usort( $terms, '_wc_get_product_terms_name_num_usort_callback' );
				break;
			case 'parent':
				usort( $terms, '_wc_get_product_terms_parent_usort_callback' );
				break;
		}

		ob_start();

		$this->widget_start( $args, $instance );

		if ( 'dropdown' === $display_type ) {
			wp_enqueue_script( 'selectWoo' );
			wp_enqueue_style( 'select2' );
			$found = $this->layered_nav_dropdown( $terms, $taxonomy, $query_type );
		} else {
			$found = $this->layered_nav_list( $terms, $taxonomy, $query_type );
		}

		$this->widget_end( $args );

		// Force found when option is selected - do not force found on taxonomy attributes.
		if ( ! is_tax() && is_array( $_chosen_attributes ) && array_key_exists( $taxonomy, $_chosen_attributes ) ) {
			$found = true;
		}

		if ( ! $found ) {
			ob_end_clean();
		} else {
			echo ob_get_clean(); // @codingStandardsIgnoreLine
		}
	}

	/**
	 * Return the currently viewed taxonomy name.
	 *
	 * @return string
	 */
	protected function get_current_taxonomy() {
		return is_tax() ? get_queried_object()->taxonomy : '';
	}

	/**
	 * Return the currently viewed term ID.
	 *
	 * @return int
	 */
	protected function get_current_term_id() {
		return absint( is_tax() ? get_queried_object()->term_id : 0 );
	}

	/**
	 * Return the currently viewed term slug.
	 *
	 * @return int
	 */
	protected function get_current_term_slug() {
		return absint( is_tax() ? get_queried_object()->slug : 0 );
	}

	/**
	 * Show dropdown layered nav.
	 *
	 * @param  array  $terms Terms.
	 * @param  string $taxonomy Taxonomy.
	 * @param  string $query_type Query Type.
	 * @return bool Will nav display?
	 */
	protected function layered_nav_dropdown( $terms, $taxonomy, $query_type ) {
		global $wp;
		$found = false;

		if ( $taxonomy !== $this->get_current_taxonomy() ) {
			$term_counts          = $this->get_filtered_term_product_counts( wp_list_pluck( $terms, 'term_id' ), $taxonomy, $query_type );
			$_chosen_attributes   = WC_Query::get_layered_nav_chosen_attributes();
			$taxonomy_filter_name = wc_attribute_taxonomy_slug( $taxonomy );
			$taxonomy_label       = wc_attribute_label( $taxonomy );

			/* translators: %s: taxonomy name */
			$any_label      = apply_filters( 'woocommerce_layered_nav_any_label', sprintf( __( 'Any %s', 'woocommerce' ), $taxonomy_label ), $taxonomy_label, $taxonomy );
			$multiple       = 'or' === $query_type;
			$current_values = isset( $_chosen_attributes[ $taxonomy ]['terms'] ) ? $_chosen_attributes[ $taxonomy ]['terms'] : array();

			if ( '' === get_option( 'permalink_structure' ) ) {
				$form_action = remove_query_arg( array( 'page', 'paged' ), add_query_arg( $wp->query_string, '', home_url( $wp->request ) ) );
			} else {
				$form_action = preg_replace( '%\/page/[0-9]+%', '', home_url( trailingslashit( $wp->request ) ) );
			}

			echo '<form method="get" action="' . esc_url( $form_action ) . '" class="woocommerce-widget-layered-nav-dropdown">';
			echo '<select class="woocommerce-widget-layered-nav-dropdown dropdown_layered_nav_' . esc_attr( $taxonomy_filter_name ) . '"' . ( $multiple ? 'multiple="multiple"' : '' ) . '>';
			echo '<option value="">' . esc_html( $any_label ) . '</option>';

			foreach ( $terms as $term ) {

				// If on a term page, skip that term in widget list.
				if ( $term->term_id === $this->get_current_term_id() ) {
					continue;
				}

				// Get count based on current view.
				$option_is_set = in_array( $term->slug, $current_values, true );
				$count         = isset( $term_counts[ $term->term_id ] ) ? $term_counts[ $term->term_id ] : 0;

				// Only show options with count > 0.
				if ( 0 < $count ) {
					$found = true;
				} elseif ( 0 === $count && ! $option_is_set ) {
					continue;
				}

				echo '<option value="' . esc_attr( urldecode( $term->slug ) ) . '" ' . selected( $option_is_set, true, false ) . '>' . esc_html( $term->name ) . '</option>';
			}

			echo '</select>';

			if ( $multiple ) {
				echo '<button class="woocommerce-widget-layered-nav-dropdown__submit" type="submit" value="' . esc_attr__( 'Apply', 'woocommerce' ) . '">' . esc_html__( 'Apply', 'woocommerce' ) . '</button>';
			}

			if ( 'or' === $query_type ) {
				echo '<input type="hidden" name="query_type_' . esc_attr( $taxonomy_filter_name ) . '" value="or" />';
			}

			echo '<input type="hidden" name="filter_' . esc_attr( $taxonomy_filter_name ) . '" value="' . esc_attr( implode( ',', $current_values ) ) . '" />';
			echo wc_query_string_form_fields( null, array( 'filter_' . $taxonomy_filter_name, 'query_type_' . $taxonomy_filter_name ), '', true ); // @codingStandardsIgnoreLine
			echo '</form>';

			wc_enqueue_js(
				"
				// Update value on change.
				jQuery( '.dropdown_layered_nav_" . esc_js( $taxonomy_filter_name ) . "' ).change( function() {
					var slug = jQuery( this ).val();
					jQuery( ':input[name=\"filter_" . esc_js( $taxonomy_filter_name ) . "\"]' ).val( slug );

					// Submit form on change if standard dropdown.
					if ( ! jQuery( this ).attr( 'multiple' ) ) {
						jQuery( this ).closest( 'form' ).submit();
					}
				});

				// Use Select2 enhancement if possible
				if ( jQuery().selectWoo ) {
					var wc_layered_nav_select = function() {
						jQuery( '.dropdown_layered_nav_" . esc_js( $taxonomy_filter_name ) . "' ).selectWoo( {
							placeholder: " . wp_json_encode( (string) wp_specialchars_decode( $any_label ) ) . ",
							minimumResultsForSearch: 5,
							width: '100%',
							allowClear: " . ( $multiple ? 'false' : 'true' ) . ",
							language: {
								noResults: function() {
									return '" . esc_js( _x( 'No matches found', 'enhanced select', 'woocommerce' ) ) . "';
								}
							}
						} );
					};
					wc_layered_nav_select();
				}
			"
			);
		}

		return $found;
	}

	/**
	 * Count products within certain terms, taking the main WP query into consideration.
	 *
	 * 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
	 */
	protected function get_filtered_term_product_counts( $term_ids, $taxonomy, $query_type ) {
		global $wpdb;

		$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 );
		$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'];

		$query['where'] = "
			WHERE {$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 (' . implode( ',', array_map( 'absint', $term_ids ) ) . ')';

		$search = WC_Query::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             = implode( ' ', $query );

		// We have a query - let's see if cached results of this query already exist.
		$query_hash = md5( $query );

		// 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 ] ) ) {
			$results                      = $wpdb->get_results( $query, ARRAY_A ); // @codingStandardsIgnoreLine
			$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 ] );
	}

	/**
	 * Show list based layered nav.
	 *
	 * @param  array  $terms Terms.
	 * @param  string $taxonomy Taxonomy.
	 * @param  string $query_type Query Type.
	 * @return bool   Will nav display?
	 */
	protected function layered_nav_list( $terms, $taxonomy, $query_type ) {
		// List display.
		echo '<ul class="woocommerce-widget-layered-nav-list">';

		$term_counts        = $this->get_filtered_term_product_counts( wp_list_pluck( $terms, 'term_id' ), $taxonomy, $query_type );
		$_chosen_attributes = WC_Query::get_layered_nav_chosen_attributes();
		$found              = false;

		foreach ( $terms as $term ) {
			$current_values = isset( $_chosen_attributes[ $taxonomy ]['terms'] ) ? $_chosen_attributes[ $taxonomy ]['terms'] : array();
			$option_is_set  = in_array( $term->slug, $current_values, true );
			$count          = isset( $term_counts[ $term->term_id ] ) ? $term_counts[ $term->term_id ] : 0;

			// Skip the term for the current archive.
			if ( $this->get_current_term_id() === $term->term_id ) {
				continue;
			}

			// Only show options with count > 0.
			if ( 0 < $count ) {
				$found = true;
			} elseif ( 0 === $count && ! $option_is_set ) {
				continue;
			}

			$filter_name    = 'filter_' . wc_attribute_taxonomy_slug( $taxonomy );
			$current_filter = isset( $_GET[ $filter_name ] ) ? explode( ',', wc_clean( wp_unslash( $_GET[ $filter_name ] ) ) ) : array(); // WPCS: input var ok, CSRF ok.

			$current_filter = array_map( 'sanitize_title', $current_filter );

			if ( ! in_array( $term->slug, $current_filter, true ) ) {
				$current_filter[] = $term->slug;
			}

			$link = remove_query_arg( $filter_name, $this->get_current_page_url() );

			// Add current filters to URL.
			foreach ( $current_filter as $key => $value ) {
				// Exclude query arg for current term archive term.
				if ( $value === $this->get_current_term_slug() ) {
					unset( $current_filter[ $key ] );
				}

				// Exclude self so filter can be unset on click.
				if ( $option_is_set && $value === $term->slug ) {
					unset( $current_filter[ $key ] );
				}
			}

			if ( ! empty( $current_filter ) ) {
				asort( $current_filter );
				$link = add_query_arg( $filter_name, implode( ',', $current_filter ), $link );

				// Add Query type Arg to URL.
				if ( 'or' === $query_type && ! ( 1 === count( $current_filter ) && $option_is_set ) ) {
					$link = add_query_arg( 'query_type_' . wc_attribute_taxonomy_slug( $taxonomy ), 'or', $link );
				}
				$link = str_replace( '%2C', ',', $link );
			}

			if ( $count > 0 || $option_is_set ) {
				$link      = esc_url( apply_filters( 'woocommerce_layered_nav_link', $link, $term, $taxonomy ) );
				$term_html = '<a rel="nofollow" href="' . $link . '">' . esc_html( $term->name ) . '</a>';
			} else {
				$link      = false;
				$term_html = '<span>' . esc_html( $term->name ) . '</span>';
			}

			$term_html .= ' ' . apply_filters( 'woocommerce_layered_nav_count', '<span class="count">(' . absint( $count ) . ')</span>', $count, $term );

			echo '<li class="woocommerce-widget-layered-nav-list__item wc-layered-nav-term ' . ( $option_is_set ? 'woocommerce-widget-layered-nav-list__item--chosen chosen' : '' ) . '">';
			echo wp_kses_post( apply_filters( 'woocommerce_layered_nav_term_html', $term_html, $term, $link, $count ) );
			echo '</li>';
		}

		echo '</ul>';

		return $found;
	}
}


1		<?php
2		/**
3		* Layered nav widget
4		*
5		* @package WooCommerce/Widgets
6		* @version 2.6.0
7		*/
8
9		defined( 'ABSPATH' ) \|\| exit;
10
11		/**
12		* Widget layered nav class.
13		*/
14		class WC_Widget_Layered_Nav extends WC_Widget {
15
16		/**
17		* Constructor.
18		*/
19		public function __construct() {
20		$this->widget_cssclass = 'woocommerce widget_layered_nav woocommerce-widget-layered-nav';
21		$this->widget_description = __( 'Display a list of attributes to filter products in your store.', 'woocommerce' );
22		$this->widget_id = 'woocommerce_layered_nav';
23		$this->widget_name = __( 'Filter Products by Attribute', 'woocommerce' );
24		parent::__construct();
25		}
26
27		/**
28		* Updates a particular instance of a widget.
29		*
30		* @see WP_Widget->update
31		*
32		* @param array $new_instance New Instance.
33		* @param array $old_instance Old Instance.
34		*
35		* @return array
36		*/
37		public function update( $new_instance, $old_instance ) {
38		$this->init_settings();
39		return parent::update( $new_instance, $old_instance );
40		}
41
42		/**
43		* Outputs the settings update form.
44		*
45		* @see WP_Widget->form
46		*
47		* @param array $instance Instance.
48		*/
49		public function form( $instance ) {
50		$this->init_settings();
51		parent::form( $instance );
52		}
53
54		/**
55		* Init settings after post types are registered.
56		*/
57		public function init_settings() {
58		$attribute_array = array();
59		$std_attribute = '';
60		$attribute_taxonomies = wc_get_attribute_taxonomies();
61
62		if ( ! empty( $attribute_taxonomies ) ) {
63		foreach ( $attribute_taxonomies as $tax ) {
64		if ( taxonomy_exists( wc_attribute_taxonomy_name( $tax->attribute_name ) ) ) {
65		$attribute_array[ $tax->attribute_name ] = $tax->attribute_name;
66		}
67		}
68		$std_attribute = current( $attribute_array );
69		}
70
71		$this->settings = array(
72		'title' => array(
73		'type' => 'text',
74		'std' => __( 'Filter by', 'woocommerce' ),
75		'label' => __( 'Title', 'woocommerce' ),
76		),
77		'attribute' => array(
78		'type' => 'select',
79		'std' => $std_attribute,
80		'label' => __( 'Attribute', 'woocommerce' ),
81		'options' => $attribute_array,
82		),
83		'display_type' => array(
84		'type' => 'select',
85		'std' => 'list',
86		'label' => __( 'Display type', 'woocommerce' ),
87		'options' => array(
88		'list' => __( 'List', 'woocommerce' ),
89		'dropdown' => __( 'Dropdown', 'woocommerce' ),
90		),
91		),
92		'query_type' => array(
93		'type' => 'select',
94		'std' => 'and',
95		'label' => __( 'Query type', 'woocommerce' ),
96		'options' => array(
97		'and' => __( 'AND', 'woocommerce' ),
98		'or' => __( 'OR', 'woocommerce' ),
99		),
100		),
101		);
102		}
103
104		/**
105		* Get this widgets taxonomy.
106		*
107		* @param array $instance Array of instance options.
108		* @return string
109		*/
110		protected function get_instance_taxonomy( $instance ) {
111		if ( isset( $instance['attribute'] ) ) {
112		return wc_attribute_taxonomy_name( $instance['attribute'] );
113		}
114
115		$attribute_taxonomies = wc_get_attribute_taxonomies();
116
117		if ( ! empty( $attribute_taxonomies ) ) {
118		foreach ( $attribute_taxonomies as $tax ) {
119		if ( taxonomy_exists( wc_attribute_taxonomy_name( $tax->attribute_name ) ) ) {
120		return wc_attribute_taxonomy_name( $tax->attribute_name );
121		}
122		}
123		}
124
125		return '';
126		}
127
128		/**
129		* Get this widgets query type.
130		*
131		* @param array $instance Array of instance options.
132		* @return string
133		*/
134		protected function get_instance_query_type( $instance ) {
135		return isset( $instance['query_type'] ) ? $instance['query_type'] : 'and';
136		}
137
138		/**
139		* Get this widgets display type.
140		*
141		* @param array $instance Array of instance options.
142		* @return string
143		*/
144		protected function get_instance_display_type( $instance ) {
145		return isset( $instance['display_type'] ) ? $instance['display_type'] : 'list';
146		}
147
148		/**
149		* Output widget.
150		*
151		* @see WP_Widget
152		*
153		* @param array $args Arguments.
154		* @param array $instance Instance.
155		*/
156		public function widget( $args, $instance ) {
157		if ( ! is_shop() && ! is_product_taxonomy() ) {
158		return;
159		}
160
161		$_chosen_attributes = WC_Query::get_layered_nav_chosen_attributes();
162		$taxonomy = $this->get_instance_taxonomy( $instance );
163		$query_type = $this->get_instance_query_type( $instance );
164		$display_type = $this->get_instance_display_type( $instance );
165
166		if ( ! taxonomy_exists( $taxonomy ) ) {
167		return;
168		}
169
170		$get_terms_args = array( 'hide_empty' => '1' );
171
172		$orderby = wc_attribute_orderby( $taxonomy );
173
174		switch ( $orderby ) {
175		case 'name':
176		$get_terms_args['orderby'] = 'name';
177		$get_terms_args['menu_order'] = false;
178		break;
179		case 'id':
180		$get_terms_args['orderby'] = 'id';
181		$get_terms_args['order'] = 'ASC';
182		$get_terms_args['menu_order'] = false;
183		break;
184		case 'menu_order':
185		$get_terms_args['menu_order'] = 'ASC';
186		break;
187		}
188
189		$terms = get_terms( $taxonomy, $get_terms_args );
190
191		if ( 0 === count( $terms ) ) {
192		return;
193		}
194
195	View Code Duplication	switch ( $orderby ) {
196		case 'name_num':
197		usort( $terms, '_wc_get_product_terms_name_num_usort_callback' );
198		break;
199		case 'parent':
200		usort( $terms, '_wc_get_product_terms_parent_usort_callback' );
201		break;
202		}
203
204		ob_start();
205
206		$this->widget_start( $args, $instance );
207
208		if ( 'dropdown' === $display_type ) {
209		wp_enqueue_script( 'selectWoo' );
210		wp_enqueue_style( 'select2' );
211		$found = $this->layered_nav_dropdown( $terms, $taxonomy, $query_type );
212		} else {
213		$found = $this->layered_nav_list( $terms, $taxonomy, $query_type );
214		}
215
216		$this->widget_end( $args );
217
218		// Force found when option is selected - do not force found on taxonomy attributes.
219		if ( ! is_tax() && is_array( $_chosen_attributes ) && array_key_exists( $taxonomy, $_chosen_attributes ) ) {
220		$found = true;
221		}
222
223		if ( ! $found ) {
224		ob_end_clean();
225		} else {
226		echo ob_get_clean(); // @codingStandardsIgnoreLine
227		}
228		}
229
230		/**
231		* Return the currently viewed taxonomy name.
232		*
233		* @return string
234		*/
235		protected function get_current_taxonomy() {
236		return is_tax() ? get_queried_object()->taxonomy : '';
237		}
238
239		/**
240		* Return the currently viewed term ID.
241		*
242		* @return int
243		*/
244		protected function get_current_term_id() {
245		return absint( is_tax() ? get_queried_object()->term_id : 0 );
246		}
247
248		/**
249		* Return the currently viewed term slug.
250		*
251		* @return int
252		*/
253		protected function get_current_term_slug() {
254		return absint( is_tax() ? get_queried_object()->slug : 0 );
255		}
256
257		/**
258		* Show dropdown layered nav.
259		*
260		* @param array $terms Terms.
261		* @param string $taxonomy Taxonomy.
262		* @param string $query_type Query Type.
263		* @return bool Will nav display?
264		*/
265		protected function layered_nav_dropdown( $terms, $taxonomy, $query_type ) {
266		global $wp;
267		$found = false;
268
269		if ( $taxonomy !== $this->get_current_taxonomy() ) {
270		$term_counts = $this->get_filtered_term_product_counts( wp_list_pluck( $terms, 'term_id' ), $taxonomy, $query_type );
271		$_chosen_attributes = WC_Query::get_layered_nav_chosen_attributes();
272		$taxonomy_filter_name = wc_attribute_taxonomy_slug( $taxonomy );
273		$taxonomy_label = wc_attribute_label( $taxonomy );
274
275		/* translators: %s: taxonomy name */
276		$any_label = apply_filters( 'woocommerce_layered_nav_any_label', sprintf( __( 'Any %s', 'woocommerce' ), $taxonomy_label ), $taxonomy_label, $taxonomy );
277		$multiple = 'or' === $query_type;
278		$current_values = isset( $_chosen_attributes[ $taxonomy ]['terms'] ) ? $_chosen_attributes[ $taxonomy ]['terms'] : array();
279
280	View Code Duplication	if ( '' === get_option( 'permalink_structure' ) ) {
281		$form_action = remove_query_arg( array( 'page', 'paged' ), add_query_arg( $wp->query_string, '', home_url( $wp->request ) ) );
282		} else {
283		$form_action = preg_replace( '%\/page/[0-9]+%', '', home_url( trailingslashit( $wp->request ) ) );
284		}
285
286		echo '<form method="get" action="' . esc_url( $form_action ) . '" class="woocommerce-widget-layered-nav-dropdown">';
287		echo '<select class="woocommerce-widget-layered-nav-dropdown dropdown_layered_nav_' . esc_attr( $taxonomy_filter_name ) . '"' . ( $multiple ? 'multiple="multiple"' : '' ) . '>';
288		echo '<option value="">' . esc_html( $any_label ) . '</option>';
289
290		foreach ( $terms as $term ) {
291
292		// If on a term page, skip that term in widget list.
293		if ( $term->term_id === $this->get_current_term_id() ) {
294		continue;
295		}
296
297		// Get count based on current view.
298		$option_is_set = in_array( $term->slug, $current_values, true );
299		$count = isset( $term_counts[ $term->term_id ] ) ? $term_counts[ $term->term_id ] : 0;
300
301		// Only show options with count > 0.
302	View Code Duplication	if ( 0 < $count ) {
303		$found = true;
304		} elseif ( 0 === $count && ! $option_is_set ) {
305		continue;
306		}
307
308		echo '<option value="' . esc_attr( urldecode( $term->slug ) ) . '" ' . selected( $option_is_set, true, false ) . '>' . esc_html( $term->name ) . '</option>';
309		}
310
311		echo '</select>';
312
313		if ( $multiple ) {
314		echo '<button class="woocommerce-widget-layered-nav-dropdown__submit" type="submit" value="' . esc_attr__( 'Apply', 'woocommerce' ) . '">' . esc_html__( 'Apply', 'woocommerce' ) . '</button>';
315		}
316
317		if ( 'or' === $query_type ) {
318		echo '<input type="hidden" name="query_type_' . esc_attr( $taxonomy_filter_name ) . '" value="or" />';
319		}
320
321		echo '<input type="hidden" name="filter_' . esc_attr( $taxonomy_filter_name ) . '" value="' . esc_attr( implode( ',', $current_values ) ) . '" />';
322		echo wc_query_string_form_fields( null, array( 'filter_' . $taxonomy_filter_name, 'query_type_' . $taxonomy_filter_name ), '', true ); // @codingStandardsIgnoreLine
323		echo '</form>';
324
325		wc_enqueue_js(
326		"
327		// Update value on change.
328		jQuery( '.dropdown_layered_nav_" . esc_js( $taxonomy_filter_name ) . "' ).change( function() {
329		var slug = jQuery( this ).val();
330		jQuery( ':input[name=\"filter_" . esc_js( $taxonomy_filter_name ) . "\"]' ).val( slug );
331
332		// Submit form on change if standard dropdown.
333		if ( ! jQuery( this ).attr( 'multiple' ) ) {
334		jQuery( this ).closest( 'form' ).submit();
335		}
336		});
337
338		// Use Select2 enhancement if possible
339		if ( jQuery().selectWoo ) {
340		var wc_layered_nav_select = function() {
341		jQuery( '.dropdown_layered_nav_" . esc_js( $taxonomy_filter_name ) . "' ).selectWoo( {
342		placeholder: " . wp_json_encode( (string) wp_specialchars_decode( $any_label ) ) . ",
343		minimumResultsForSearch: 5,
344		width: '100%',
345		allowClear: " . ( $multiple ? 'false' : 'true' ) . ",
346		language: {
347		noResults: function() {
348		return '" . esc_js( _x( 'No matches found', 'enhanced select', 'woocommerce' ) ) . "';
349		}
350		}
351		} );
352		};
353		wc_layered_nav_select();
354		}
355		"
356		);
357		}
358
359		return $found;
360		}
361
362		/**
363		* Count products within certain terms, taking the main WP query into consideration.
364		*
365		* This query allows counts to be generated based on the viewed products, not all products.
366		*
367		* @param array $term_ids Term IDs.
368		* @param string $taxonomy Taxonomy.
369		* @param string $query_type Query Type.
370		* @return array
371		*/
372		protected function get_filtered_term_product_counts( $term_ids, $taxonomy, $query_type ) {
373		global $wpdb;
374
375		$tax_query = WC_Query::get_main_tax_query();
376		$meta_query = WC_Query::get_main_meta_query();
377
378		if ( 'or' === $query_type ) {
379		foreach ( $tax_query as $key => $query ) {
380		if ( is_array( $query ) && $taxonomy === $query['taxonomy'] ) {
381		unset( $tax_query[ $key ] );
382		}
383		}
384		}
385
386		$meta_query = new WP_Meta_Query( $meta_query );
387		$tax_query = new WP_Tax_Query( $tax_query );
388		$meta_query_sql = $meta_query->get_sql( 'post', $wpdb->posts, 'ID' );
389		$tax_query_sql = $tax_query->get_sql( $wpdb->posts, 'ID' );
390
391		// Generate query.
392		$query = array();
393		$query['select'] = "SELECT COUNT( DISTINCT {$wpdb->posts}.ID ) as term_count, terms.term_id as term_count_id";
394		$query['from'] = "FROM {$wpdb->posts}";
395		$query['join'] = "
396		INNER JOIN {$wpdb->term_relationships} AS term_relationships ON {$wpdb->posts}.ID = term_relationships.object_id
397		INNER JOIN {$wpdb->term_taxonomy} AS term_taxonomy USING( term_taxonomy_id )
398		INNER JOIN {$wpdb->terms} AS terms USING( term_id )
399		" . $tax_query_sql['join'] . $meta_query_sql['join'];
400
401		$query['where'] = "
402		WHERE {$wpdb->posts}.post_type IN ( 'product' )
403		AND {$wpdb->posts}.post_status = 'publish'"
404		. $tax_query_sql['where'] . $meta_query_sql['where'] .
405		'AND terms.term_id IN (' . implode( ',', array_map( 'absint', $term_ids ) ) . ')';
406
407		$search = WC_Query::get_main_search_query_sql();
408		if ( $search ) {
409		$query['where'] .= ' AND ' . $search;
410		}
411
412		$query['group_by'] = 'GROUP BY terms.term_id';
413		$query = apply_filters( 'woocommerce_get_filtered_term_product_counts_query', $query );
414		$query = implode( ' ', $query );
415
416		// We have a query - let's see if cached results of this query already exist.
417		$query_hash = md5( $query );
418
419		// Maybe store a transient of the count values.
420		$cache = apply_filters( 'woocommerce_layered_nav_count_maybe_cache', true );
421		if ( true === $cache ) {
422		$cached_counts = (array) get_transient( 'wc_layered_nav_counts_' . sanitize_title( $taxonomy ) );
423		} else {
424		$cached_counts = array();
425		}
426
427		if ( ! isset( $cached_counts[ $query_hash ] ) ) {
428		$results = $wpdb->get_results( $query, ARRAY_A ); // @codingStandardsIgnoreLine
429		$counts = array_map( 'absint', wp_list_pluck( $results, 'term_count', 'term_count_id' ) );
430		$cached_counts[ $query_hash ] = $counts;
431		if ( true === $cache ) {
432		set_transient( 'wc_layered_nav_counts_' . sanitize_title( $taxonomy ), $cached_counts, DAY_IN_SECONDS );
433		}
434		}
435
436		return array_map( 'absint', (array) $cached_counts[ $query_hash ] );
437		}
438
439		/**
440		* Show list based layered nav.
441		*
442		* @param array $terms Terms.
443		* @param string $taxonomy Taxonomy.
444		* @param string $query_type Query Type.
445		* @return bool Will nav display?
446		*/
447		protected function layered_nav_list( $terms, $taxonomy, $query_type ) {
448		// List display.
449		echo '<ul class="woocommerce-widget-layered-nav-list">';
450
451		$term_counts = $this->get_filtered_term_product_counts( wp_list_pluck( $terms, 'term_id' ), $taxonomy, $query_type );
452		$_chosen_attributes = WC_Query::get_layered_nav_chosen_attributes();
453		$found = false;
454
455		foreach ( $terms as $term ) {
456		$current_values = isset( $_chosen_attributes[ $taxonomy ]['terms'] ) ? $_chosen_attributes[ $taxonomy ]['terms'] : array();
457		$option_is_set = in_array( $term->slug, $current_values, true );
458		$count = isset( $term_counts[ $term->term_id ] ) ? $term_counts[ $term->term_id ] : 0;
459
460		// Skip the term for the current archive.
461		if ( $this->get_current_term_id() === $term->term_id ) {
462		continue;
463		}
464
465		// Only show options with count > 0.
466	View Code Duplication	if ( 0 < $count ) {
467		$found = true;
468		} elseif ( 0 === $count && ! $option_is_set ) {
469		continue;
470		}
471
472		$filter_name = 'filter_' . wc_attribute_taxonomy_slug( $taxonomy );
473		$current_filter = isset( $_GET[ $filter_name ] ) ? explode( ',', wc_clean( wp_unslash( $_GET[ $filter_name ] ) ) ) : array(); // WPCS: input var ok, CSRF ok.
		0 ignored issues – show introduced 2018-03-09 22:01 UTC by Report Bug Copy Issue Report Detected usage of a non-sanitized input variable: $_GET Loading history...
474		$current_filter = array_map( 'sanitize_title', $current_filter );
475
476		if ( ! in_array( $term->slug, $current_filter, true ) ) {
477		$current_filter[] = $term->slug;
478		}
479
480		$link = remove_query_arg( $filter_name, $this->get_current_page_url() );
481
482		// Add current filters to URL.
483		foreach ( $current_filter as $key => $value ) {
484		// Exclude query arg for current term archive term.
485		if ( $value === $this->get_current_term_slug() ) {
486		unset( $current_filter[ $key ] );
487		}
488
489		// Exclude self so filter can be unset on click.
490		if ( $option_is_set && $value === $term->slug ) {
491		unset( $current_filter[ $key ] );
492		}
493		}
494
495		if ( ! empty( $current_filter ) ) {
496		asort( $current_filter );
497		$link = add_query_arg( $filter_name, implode( ',', $current_filter ), $link );
498
499		// Add Query type Arg to URL.
500		if ( 'or' === $query_type && ! ( 1 === count( $current_filter ) && $option_is_set ) ) {
501		$link = add_query_arg( 'query_type_' . wc_attribute_taxonomy_slug( $taxonomy ), 'or', $link );
502		}
503		$link = str_replace( '%2C', ',', $link );
504		}
505
506		if ( $count > 0 \|\| $option_is_set ) {
507		$link = esc_url( apply_filters( 'woocommerce_layered_nav_link', $link, $term, $taxonomy ) );
508		$term_html = '<a rel="nofollow" href="' . $link . '">' . esc_html( $term->name ) . '</a>';
509		} else {
510		$link = false;
511		$term_html = '<span>' . esc_html( $term->name ) . '</span>';
512		}
513
514		$term_html .= ' ' . apply_filters( 'woocommerce_layered_nav_count', '<span class="count">(' . absint( $count ) . ')</span>', $count, $term );
515
516		echo '<li class="woocommerce-widget-layered-nav-list__item wc-layered-nav-term ' . ( $option_is_set ? 'woocommerce-widget-layered-nav-list__item--chosen chosen' : '' ) . '">';
517		echo wp_kses_post( apply_filters( 'woocommerce_layered_nav_term_html', $term_html, $term, $link, $count ) );
518		echo '</li>';
519		}
520
521		echo '</ul>';
522
523		return $found;
524		}
525		}
526

woocommerce / woocommerce

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WC_Widget_Layered_Nav::get_instance_query_type() A

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