File "Search.php"
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MIME-type: text/x-php
Charset: utf-8
<?php
namespace DgoraWcas\Engines\WordPressNative;
use DgoraWcas\Analytics\Recorder;
use DgoraWcas\Multilingual;
use DgoraWcas\Product;
use DgoraWcas\Helpers;
// Exit if accessed directly
if ( !defined( 'ABSPATH' ) ) {
exit;
}
class Search {
/**
* Total autocomplete limit
*/
private $totalLimit;
/**
* Flexible lmits
* bool
*/
private $flexibleLimits = true;
/**
* Show heading in autocomplete
* bool
*/
private $showHeadings = false;
/**
* Autocomplete groups
* array
*/
private $groups = array();
/**
* Buffer for post IDs uses for search results page
* @var null
*/
private $postsIDsBuffer = null;
/**
* List of fields in which the phrase is searched
* @var array
*/
private $searchIn = array();
/**
* @var bool Whether the search results have already been overwritten.
*/
private $hooked = false;
public function __construct() {
$this->searchIn = apply_filters( 'dgwt/wcas/native/search_in', array(
'title',
'content',
'excerpt',
'sku'
) );
add_filter(
'posts_search',
array($this, 'searchFilters'),
501,
2
);
add_filter(
'posts_where',
array($this, 'fixWooExcerptSearch'),
100,
2
);
add_filter(
'posts_distinct',
array($this, 'searchDistinct'),
501,
2
);
add_filter(
'posts_join',
array($this, 'searchFiltersJoin'),
501,
2
);
// Search results page
add_action( 'init', function () {
if ( apply_filters( 'dgwt/wcas/override_search_results_page', true ) ) {
add_filter( 'pre_get_posts', array($this, 'overwriteSearchPage'), 900001 );
add_filter(
'posts_search',
array('DgoraWcas\\Helpers', 'clearSearchQuery'),
1000,
2
);
add_filter(
'the_posts',
array('DgoraWcas\\Helpers', 'rollbackSearchPhrase'),
1000,
2
);
add_filter(
'dgwt/wcas/search_page/result_post_ids',
array($this, 'getProductIds'),
10,
2
);
}
} );
// Search results ajax action
if ( DGWT_WCAS_WC_AJAX_ENDPOINT ) {
add_action( 'wc_ajax_' . DGWT_WCAS_SEARCH_ACTION, array($this, 'getSearchResults') );
} else {
add_action( 'wp_ajax_nopriv_' . DGWT_WCAS_SEARCH_ACTION, array($this, 'getSearchResults') );
add_action( 'wp_ajax_' . DGWT_WCAS_SEARCH_ACTION, array($this, 'getSearchResults') );
}
// Labels
if ( !dgoraAsfwFs()->is_premium() ) {
add_filter( 'dgwt/wcas/labels', array($this, 'setTaxonomiesLabels'), 5 );
add_filter( 'dgwt/wcas/labels', array($this, 'fixTaxonomiesLabels'), PHP_INT_MAX - 5 );
}
// Fixes if "Polylang" is active but without "Polylang for WooCommerce" or "Hyyan WooCommerce Polylang Integration"
if ( Multilingual::isPolylang() && !class_exists( 'Polylang_Woocommerce' ) && !defined( 'Hyyan_WPI_DIR' ) ) {
add_filter(
'woocommerce_ajax_get_endpoint',
array($this, 'fixPolylangWooEndpoint'),
10,
2
);
}
// Add "No results" suggestion if all results have been removed in earlier filters.
add_filter( 'dgwt/wcas/search_results/output', array('DgoraWcas\\Helpers', 'noResultsSuggestion'), PHP_INT_MAX - 10 );
// Init Search Analytics
if ( DGWT_WCAS()->settings->getOption( 'analytics_enabled' ) === 'on' ) {
$stats = new Recorder();
$stats->listen();
}
}
/**
* Get search results via ajax
*
* @param string $phrase Search phrase.
* @param bool $return Whether to return the results.
* @param string $context Search context: 'autocomplete' or 'product-ids'.
*
* @return mixed|void
*/
public function getSearchResults( $phrase = '', $return = false, $context = 'autocomplete' ) {
if ( $context === 'all-results' ) {
$context = 'product-ids';
}
$start = microtime( true );
$lang = '';
$hits = 0;
if ( Multilingual::isMultilingual() ) {
$lang = Multilingual::getCurrentLanguage();
}
if ( !defined( 'DGWT_WCAS_AJAX' ) ) {
define( 'DGWT_WCAS_AJAX', true );
}
$this->groups = $this->searchResultsGroups();
$this->flexibleLimits = apply_filters( 'dgwt/wcas/flexible_limits', true );
$this->showHeadings = DGWT_WCAS()->settings->getOption( 'show_grouped_results' ) === 'on';
if ( $this->flexibleLimits ) {
$totalLimit = DGWT_WCAS()->settings->getOption( 'suggestions_limit', 'int', 7 );
$this->totalLimit = ( $totalLimit === -1 ? $this->calcFreeSlots() : $totalLimit );
}
$output = array();
$results = array();
$keyword = '';
if ( $return ) {
$keyword = sanitize_text_field( $phrase );
} else {
// Compatible with v1.1.7
if ( !empty( $_REQUEST['dgwt_wcas_keyword'] ) ) {
$keyword = sanitize_text_field( $_REQUEST['dgwt_wcas_keyword'] );
}
if ( !empty( $_REQUEST['s'] ) ) {
$keyword = sanitize_text_field( $_REQUEST['s'] );
}
}
$keyword = apply_filters( 'dgwt/wcas/phrase', $keyword );
// Break early if keyword contains blacklisted phrase.
if ( Helpers::phraseContainsBlacklistedTerm( $keyword ) ) {
if ( $return ) {
return $this->getEmptyOutput();
} else {
echo json_encode( Helpers::noResultsSuggestion( $this->getEmptyOutput() ) );
die;
}
}
/* SEARCH IN WOO CATEGORIES */
if ( $context === 'autocomplete' && array_key_exists( 'tax_product_cat', $this->groups ) ) {
$limit = ( $this->flexibleLimits ? $this->totalLimit : $this->groups['tax_product_cat']['limit'] );
$categories = $this->getCategories( $keyword, $limit );
$this->groups['tax_product_cat']['results'] = $categories['items'];
$hits += $categories['total'];
}
/* SEARCH IN WOO TAGS */
if ( $context === 'autocomplete' && array_key_exists( 'tax_product_tag', $this->groups ) ) {
$limit = ( $this->flexibleLimits ? $this->totalLimit : $this->groups['tax_product_tag']['limit'] );
$tags = $this->getTags( $keyword, $limit );
$this->groups['tax_product_tag']['results'] = $tags['items'];
$hits += $tags['total'];
}
/* SEARCH IN PRODUCTS */
$totalProducts = 0;
if ( apply_filters( 'dgwt/wcas/search_in_products', true ) ) {
$args = array(
's' => $keyword,
'posts_per_page' => -1,
'post_type' => 'product',
'post_status' => 'publish',
'ignore_sticky_posts' => 1,
'order' => 'DESC',
'suppress_filters' => false,
);
// Backward compatibility WC < 3.0
if ( Helpers::compareWcVersion( '3.0', '<' ) ) {
$args['meta_query'] = $this->getMetaQuery();
} else {
$args['tax_query'] = $this->getTaxQuery();
}
$args = apply_filters( 'dgwt/wcas/search_query/args', $args );
$products = get_posts( $args );
$products = apply_filters( 'dgwt/wcas/search_results/products_raw', $products );
$totalProducts = count( $products );
$hits += $totalProducts;
do_action(
'dgwt/wcas/analytics/after_searching',
$keyword,
$hits,
$lang
);
if ( !empty( $products ) ) {
$orderedProducts = array();
$i = 0;
foreach ( $products as $post ) {
if ( $context === 'product-ids' ) {
$orderedProducts[$i] = new \stdClass();
$orderedProducts[$i]->ID = $post->ID;
} else {
$orderedProducts[$i] = $post;
}
$score = Helpers::calcScore( $keyword, $post->post_title );
$orderedProducts[$i]->score = apply_filters(
'dgwt/wcas/search_results/product/score',
$score,
$keyword,
$post->ID,
$post
);
$i++;
}
// Sort by relevance
usort( $orderedProducts, array('DgoraWcas\\Helpers', 'cmpSimilarity') );
// Response that returns all results.
if ( $context === 'product-ids' ) {
$output['suggestions'] = $orderedProducts;
$output['time'] = number_format(
microtime( true ) - $start,
2,
'.',
''
) . ' sec';
$result = apply_filters( 'dgwt/wcas/page_search_results/output', $output );
if ( $return ) {
return $result;
} else {
echo json_encode( $result );
die;
}
}
$productsSlots = ( $this->flexibleLimits ? $this->totalLimit : $this->groups['product']['limit'] );
$fields = [];
if ( DGWT_WCAS()->settings->getOption( 'show_product_image' ) === 'on' ) {
$fields[] = 'thumb_html';
}
if ( DGWT_WCAS()->settings->getOption( 'show_product_price' ) === 'on' ) {
$fields[] = 'price';
}
if ( DGWT_WCAS()->settings->getOption( 'show_product_sku' ) === 'on' ) {
$fields[] = 'sku';
}
$relevantProducts = $this->getProductsData( $orderedProducts, $productsSlots, $fields );
}
wp_reset_postdata();
}
/* END SEARCH IN PRODUCTS */
if ( !empty( $relevantProducts ) ) {
$this->groups['product']['results'] = $relevantProducts;
}
if ( $this->hasResults() ) {
if ( $this->flexibleLimits ) {
$this->applyFlexibleLimits();
}
$results = $this->convertGroupsToSuggestions();
// Show more
if ( !empty( $this->groups['product']['results'] ) && count( $this->groups['product']['results'] ) < $totalProducts ) {
$results[] = array(
'value' => '',
'total' => $totalProducts,
'url' => add_query_arg( array(
's' => $keyword,
'post_type' => 'product',
'dgwt_wcas' => '1',
), home_url() ),
'type' => 'more_products',
);
}
} else {
if ( $context === 'product-ids' ) {
$emptyResult = new \stdClass();
$emptyResult->ID = 0;
$results[] = $emptyResult;
} else {
$results[] = array(
'value' => '',
'type' => 'no-results',
);
}
}
$output['suggestions'] = $results;
$output['total'] = $hits;
$output['time'] = number_format(
microtime( true ) - $start,
2,
'.',
''
) . ' sec';
$output['engine'] = 'free';
$output['v'] = DGWT_WCAS_VERSION;
$result = apply_filters( 'dgwt/wcas/search_results/output', $output );
if ( $return ) {
return $result;
} else {
echo json_encode( $result );
die;
}
}
public function getProductsData( $orderedProducts, $limit = -1, $fields = array() ) {
$relevantProducts = array();
foreach ( $orderedProducts as $post ) {
$product = new Product($post);
if ( !$product->isCorrect() ) {
continue;
}
// Strip <script> and <style> tags along with their contents.
$value = preg_replace( '@<(script|style)[^>]*?>.*?</\\1>@si', '', $product->getName() );
// Strip remaining tags except those indicated.
$value = html_entity_decode( wp_kses( $value, array(
'b' => array(
'class' => true,
),
'br' => array(),
'span' => array(
'class' => true,
),
'strong' => array(
'class' => true,
),
'sub' => array(),
'sup' => array(),
) ) );
$r = array(
'post_id' => $product->getID(),
'value' => $value,
'url' => $product->getPermalink(),
'type' => 'product',
);
// Get thumb HTML
if ( in_array( 'thumb_html', $fields, true ) ) {
$r['thumb_html'] = $product->getThumbnail();
}
// Get price
if ( in_array( 'price', $fields, true ) ) {
$r['price'] = $product->getPriceHTML();
}
// Get description
if ( DGWT_WCAS()->settings->getOption( 'show_product_desc' ) === 'on' ) {
$wordsLimit = 0;
if ( DGWT_WCAS()->settings->getOption( 'show_details_box' ) === 'on' ) {
$wordsLimit = 15;
}
$r['desc'] = $product->getDescription( 'suggestions', $wordsLimit );
}
// Get SKU
if ( in_array( 'sku', $fields, true ) ) {
$r['sku'] = $product->getSKU();
}
// Is on sale
// if ( DGWT_WCAS()->settings->getOption( 'show_sale_badge' ) === 'on' ) {
// $r[ 'on_sale' ] = $product->is_on_sale();
// }
// Is featured
// if ( DGWT_WCAS()->settings->getOption( 'show_featured_badge' ) === 'on' ) {
// $r[ 'featured' ] = $product->is_featured();
// }
$relevantProducts[] = apply_filters( 'dgwt/wcas/search_results/products', $r, $product );
$limit--;
if ( $limit === 0 ) {
break;
}
}
return $relevantProducts;
}
/**
* Get meta query
* For WooCommerce < 3.0
*
* return array
*/
private function getMetaQuery() {
$meta_query = array(
'relation' => 'AND',
1 => array(
'key' => '_visibility',
'value' => array('search', 'visible'),
'compare' => 'IN',
),
2 => array(
'relation' => 'OR',
array(
'key' => '_visibility',
'value' => array('search', 'visible'),
'compare' => 'IN',
),
),
);
// Exclude out of stock products from suggestions
if ( DGWT_WCAS()->settings->getOption( 'exclude_out_of_stock' ) === 'on' ) {
$meta_query[] = array(
'key' => '_stock_status',
'value' => 'outofstock',
'compare' => 'NOT IN',
);
}
return $meta_query;
}
/**
* Get tax query
* For WooCommerce >= 3.0
*
* return array
*/
private function getTaxQuery() {
$product_visibility_term_ids = wc_get_product_visibility_term_ids();
$tax_query = array(
'relation' => 'AND',
);
$tax_query[] = array(
'taxonomy' => 'product_visibility',
'field' => 'term_taxonomy_id',
'terms' => $product_visibility_term_ids['exclude-from-search'],
'operator' => 'NOT IN',
);
// Exclude out of stock products from suggestions
if ( DGWT_WCAS()->settings->getOption( 'exclude_out_of_stock' ) === 'on' ) {
$tax_query[] = array(
'taxonomy' => 'product_visibility',
'field' => 'term_taxonomy_id',
'terms' => $product_visibility_term_ids['outofstock'],
'operator' => 'NOT IN',
);
}
return $tax_query;
}
/**
* Search for matching category
*
* @param string $keyword
* @param int $limit
*
* @return array
*/
public function getCategories( $keyword, $limit = 3 ) {
$results = array(
'total' => 0,
'items' => array(),
);
$args = array(
'taxonomy' => 'product_cat',
);
$productCategories = get_terms( 'product_cat', apply_filters( 'dgwt/wcas/search/product_cat/args', $args ) );
$keywordUnslashed = wp_unslash( $keyword );
// Compare keyword and term name
$i = 0;
foreach ( $productCategories as $cat ) {
if ( $i < $limit ) {
$catName = html_entity_decode( $cat->name );
$pos = strpos( mb_strtolower( remove_accents( Helpers::removeGreekAccents( $catName ) ) ), mb_strtolower( remove_accents( Helpers::removeGreekAccents( $keywordUnslashed ) ) ) );
if ( $pos !== false ) {
$results['total']++;
$termLang = Multilingual::getTermLang( $cat->term_id, 'product_cat' );
$results['items'][$i] = array(
'term_id' => $cat->term_id,
'taxonomy' => 'product_cat',
'value' => $catName,
'url' => get_term_link( $cat, 'product_cat' ),
'breadcrumbs' => Helpers::getTermBreadcrumbs(
$cat->term_id,
'product_cat',
array(),
$termLang,
array($cat->term_id)
),
'type' => 'taxonomy',
);
// Fix: Remove last separator
if ( !empty( $results['items'][$i]['breadcrumbs'] ) ) {
$results['items'][$i]['breadcrumbs'] = mb_substr( $results['items'][$i]['breadcrumbs'], 0, -3 );
}
$i++;
}
}
}
return $results;
}
/**
* Extend research in the Woo tags
*
* @param strong $keyword
* @param int $limit
*
* @return array
*/
public function getTags( $keyword, $limit = 3 ) {
$results = array(
'total' => 0,
'items' => array(),
);
$args = array(
'taxonomy' => 'product_tag',
);
$productTags = get_terms( 'product_tag', apply_filters( 'dgwt/wcas/search/product_tag/args', $args ) );
$keywordUnslashed = wp_unslash( $keyword );
// Compare keyword and term name
$i = 0;
foreach ( $productTags as $tag ) {
if ( $i < $limit ) {
$tagName = html_entity_decode( $tag->name );
$pos = strpos( mb_strtolower( remove_accents( Helpers::removeGreekAccents( $tagName ) ) ), mb_strtolower( remove_accents( Helpers::removeGreekAccents( $keywordUnslashed ) ) ) );
if ( $pos !== false ) {
$results['total']++;
$results['items'][$i] = array(
'term_id' => $tag->term_id,
'taxonomy' => 'product_tag',
'value' => $tagName,
'url' => get_term_link( $tag, 'product_tag' ),
'parents' => '',
'type' => 'taxonomy',
);
$i++;
}
}
}
return $results;
}
/**
* Search in extra fields
*
* @param string $search SQL
*
* @return string prepared SQL
*/
public function searchFilters( $search, $wp_query ) {
global $wpdb;
if ( empty( $search ) ) {
return $search;
// skip processing - there is no keyword
}
if ( $this->isAjaxSearch() ) {
$q = $wp_query->query_vars;
if ( $q['post_type'] !== 'product' ) {
return $search;
// skip processing
}
$n = ( !empty( $q['exact'] ) ? '' : '%' );
$search = $searchand = '';
if ( !empty( $q['search_terms'] ) ) {
foreach ( (array) $q['search_terms'] as $term ) {
$like = $n . $wpdb->esc_like( $term ) . $n;
$search .= "{$searchand} (";
// Search in title
if ( in_array( 'title', $this->searchIn ) ) {
$search .= $wpdb->prepare( "({$wpdb->posts}.post_title LIKE %s)", $like );
} else {
$search .= "(0 = 1)";
}
// Search in content
if ( DGWT_WCAS()->settings->getOption( 'search_in_product_content' ) === 'on' && in_array( 'content', $this->searchIn ) ) {
$search .= $wpdb->prepare( " OR ({$wpdb->posts}.post_content LIKE %s)", $like );
}
// Search in excerpt
if ( DGWT_WCAS()->settings->getOption( 'search_in_product_excerpt' ) === 'on' && in_array( 'excerpt', $this->searchIn ) ) {
$search .= $wpdb->prepare( " OR ({$wpdb->posts}.post_excerpt LIKE %s)", $like );
}
// Search in SKU
if ( DGWT_WCAS()->settings->getOption( 'search_in_product_sku' ) === 'on' && in_array( 'sku', $this->searchIn ) ) {
$search .= $wpdb->prepare( " OR (dgwt_wcasmsku.meta_key='_sku' AND dgwt_wcasmsku.meta_value LIKE %s)", $like );
}
$search = apply_filters(
'dgwt/wcas/native/search_query/search_or',
$search,
$like,
$this
);
$search .= ")";
$searchand = ' AND ';
}
}
if ( !empty( $search ) ) {
$search = " AND ({$search}) ";
if ( !is_user_logged_in() ) {
$search .= " AND ({$wpdb->posts}.post_password = '') ";
}
}
}
return $search;
}
/**
* @param $where
*
* @return string
*/
public function searchDistinct( $where ) {
if ( $this->isAjaxSearch() ) {
return 'DISTINCT';
}
return $where;
}
/**
* Join the postmeta column in the search posts SQL
*/
public function searchFiltersJoin( $join, $query ) {
global $wpdb;
if ( empty( $query->query_vars['post_type'] ) || $query->query_vars['post_type'] !== 'product' ) {
return $join;
// skip processing
}
if ( $this->isAjaxSearch() ) {
if ( DGWT_WCAS()->settings->getOption( 'search_in_product_sku' ) === 'on' && in_array( 'sku', $this->searchIn ) ) {
$join .= " INNER JOIN {$wpdb->postmeta} AS dgwt_wcasmsku ON ( {$wpdb->posts}.ID = dgwt_wcasmsku.post_id )";
}
$join = apply_filters( 'dgwt/wcas/native/search_query/join', $join );
}
return $join;
}
/**
* Corrects the search by excerpt if necessary.
* WooCommerce adds search in excerpt by defaults and this should be corrected.
*
* @param string $where
*
* @return string
* @since 1.1.4
*
*/
public function fixWooExcerptSearch( $where ) {
global $wp_the_query;
// If this is not a WC Query, do not modify the query
if ( empty( $wp_the_query->query_vars['wc_query'] ) || empty( $wp_the_query->query_vars['s'] ) ) {
return $where;
}
if ( DGWT_WCAS()->settings->getOption( 'search_in_product_excerpt' ) !== 'on' && in_array( 'excerpt', $this->searchIn ) ) {
$where = preg_replace( "/OR \\(post_excerpt\\s+LIKE\\s*(\\'\\%[^\\%]+\\%\\')\\)/", "", $where );
}
return $where;
}
/**
* Disable cache results and narrowing search results to those from our engine
*
* @param \WP_Query $query
*/
public function overwriteSearchPage( $query ) {
if ( !Helpers::isSearchQuery( $query ) ) {
return;
}
if ( $this->hooked ) {
return;
}
/**
* Allowing hook WP_Query more then once
*
* @since 1.26.0
*/
if ( apply_filters( 'dgwt/wcas/native/hook_query_once', true ) ) {
$this->hooked = true;
}
/**
* Disable cache: `cache_results` defaults to false but can be enabled
*/
$query->set( 'cache_results', false );
if ( !empty( $query->query['cache_results'] ) ) {
$query->set( 'cache_results', true );
}
$query->set( 'dgwt_wcas', $query->query_vars['s'] );
$phrase = $query->query_vars['s'];
// Break early if keyword contains blacklisted phrase.
if ( Helpers::phraseContainsBlacklistedTerm( $phrase ) ) {
header( 'X-Robots-Tag: noindex' );
http_response_code( 400 );
exit;
}
$orderby = 'post__in';
$order = 'desc';
if ( !empty( $query->query_vars['orderby'] ) ) {
$orderby = ( $query->query_vars['orderby'] === 'relevance' ? 'post__in' : $query->query_vars['orderby'] );
}
if ( !empty( $query->query_vars['order'] ) ) {
$order = strtolower( $query->query_vars['order'] );
}
$postIn = array();
$searchResults = $this->getSearchResults( $phrase, true, 'product-ids' );
foreach ( $searchResults['suggestions'] as $suggestion ) {
$postIn[] = $suggestion->ID;
}
// Integration with FiboFilters.
if ( $query->get( 'fibofilters' ) ) {
$postIn = array_intersect( $query->get( 'post__in' ), $postIn );
}
// Save for later use
$this->postsIDsBuffer = $postIn;
$query->set( 'orderby', $orderby );
$query->set( 'order', $order );
$query->set( 'post__in', $postIn );
// Resetting the key 's' to disable the default search logic.
$query->set( 's', '' );
}
/**
* Check if is ajax search processing
*
* @return bool
* @since 1.1.3
*
*/
public function isAjaxSearch() {
if ( defined( 'DGWT_WCAS_AJAX' ) && DGWT_WCAS_AJAX ) {
return true;
}
return false;
}
/**
* Headline output structure
*
* @return array
*/
public function headlineBody( $headline ) {
return array(
'value' => $headline,
'type' => 'headline',
);
}
/**
* Check if the query retuns resutls
*
* @return bool
*/
public function hasResults() {
$hasResults = false;
foreach ( $this->groups as $group ) {
if ( !empty( $group['results'] ) ) {
$hasResults = true;
break;
}
}
return $hasResults;
}
/**
* Calc free slots
*
* @return int
*/
public function calcFreeSlots() {
$slots = 0;
foreach ( $this->groups as $key => $group ) {
if ( !empty( $group['limit'] ) ) {
$slots = $slots + absint( $group['limit'] );
}
}
return $slots;
}
/**
* Apply flexible limits
*
* @return void
*/
public function applyFlexibleLimits() {
$slots = $this->totalLimit;
$total = 0;
$groups = 0;
foreach ( $this->groups as $key => $group ) {
if ( !empty( $this->groups[$key]['results'] ) ) {
$total = $total + count( $this->groups[$key]['results'] );
$groups++;
}
}
$toRemove = ( $total >= $slots ? $total - $slots : 0 );
if ( $toRemove > 0 ) {
for ($i = 0; $i < $toRemove; $i++) {
$largestGroupCount = 0;
$largestGroupKey = 'product';
foreach ( $this->groups as $key => $group ) {
if ( !empty( $this->groups[$key]['results'] ) ) {
$thisGroupTotal = count( $this->groups[$key]['results'] );
if ( $thisGroupTotal > $largestGroupCount ) {
$largestGroupCount = $thisGroupTotal;
$largestGroupKey = $key;
}
}
}
$last = count( $this->groups[$largestGroupKey]['results'] ) - 1;
if ( isset( $this->groups[$largestGroupKey]['results'][$last] ) ) {
unset($this->groups[$largestGroupKey]['results'][$last]);
}
}
}
}
/**
* Prepare suggestions based on groups
*
* @return array
*/
public function convertGroupsToSuggestions() {
$suggestions = array();
$totalHeadlines = 0;
foreach ( $this->groups as $key => $group ) {
if ( !empty( $group['results'] ) ) {
if ( $this->showHeadings ) {
$suggestions[] = $this->headlineBody( $key );
$totalHeadlines++;
}
foreach ( $group['results'] as $result ) {
$suggestions[] = $result;
}
}
}
// Remove products headline when there are only product type suggestion
if ( $totalHeadlines === 1 ) {
$i = 0;
$unset = false;
foreach ( $suggestions as $key => $suggestion ) {
if ( !empty( $suggestion['type'] ) && $suggestion['type'] === 'headline' && $suggestion['value'] === 'product' ) {
unset($suggestions[$i]);
$unset = true;
break;
}
$i++;
}
if ( $unset ) {
$suggestions = array_values( $suggestions );
}
}
return $suggestions;
}
/**
* Order of the search resutls groups
*
* @return array
*/
public function searchResultsGroups() {
$groups = array();
if ( DGWT_WCAS()->settings->getOption( 'show_product_tax_product_cat' ) === 'on' ) {
$groups['tax_product_cat'] = array(
'limit' => 3,
);
}
if ( DGWT_WCAS()->settings->getOption( 'show_product_tax_product_tag' ) === 'on' ) {
$groups['tax_product_tag'] = array(
'limit' => 3,
);
}
$groups['product'] = array(
'limit' => 7,
);
return apply_filters( 'dgwt/wcas/search_groups', $groups );
}
/**
* Allow to get the ID of products that have been found
*
* @param integer[] $postsIDs
*
* @return mixed
*/
public function getProductIds( $postsIDs ) {
if ( $this->postsIDsBuffer !== null ) {
return $this->postsIDsBuffer;
}
return $postsIDs;
}
/**
* Add taxonomies labels
*
* @param array $labels Labels used at frontend
*
* @return array
*/
public function setTaxonomiesLabels( $labels ) {
$labels['tax_product_cat_plu'] = __( 'Categories', 'woocommerce' );
$labels['tax_product_cat'] = __( 'Category', 'woocommerce' );
$labels['tax_product_tag_plu'] = __( 'Tags' );
$labels['tax_product_tag'] = __( 'Tag' );
return $labels;
}
/**
* Backward compatibility for labels
*
* Full taxonomy names for categories and tags. All with prefix 'tax_'.
*
* @param array $labels Labels used at frontend
*
* @return array
*/
public function fixTaxonomiesLabels( $labels ) {
// Product category. Old: 'category', 'product_cat_plu'.
if ( isset( $labels['category'] ) ) {
$labels['tax_product_cat'] = $labels['category'];
unset($labels['category']);
}
if ( isset( $labels['product_cat_plu'] ) ) {
$labels['tax_product_cat_plu'] = $labels['product_cat_plu'];
unset($labels['product_cat_plu']);
}
// Product tag. Old: 'tag', 'product_tag_plu'.
if ( isset( $labels['tag'] ) ) {
$labels['tax_product_tag'] = $labels['tag'];
unset($labels['tag']);
}
if ( isset( $labels['product_tag_plu'] ) ) {
$labels['tax_product_tag_plu'] = $labels['product_tag_plu'];
unset($labels['product_tag_plu']);
}
return $labels;
}
/**
* Add language to WC endpoint if Polylang is active
*
* @param $url
* @param $request
*
* @return string
* @see polylang-wc/frontend/frontend.php:306
*/
public function fixPolylangWooEndpoint( $url, $request ) {
if ( PLL() instanceof \PLL_Frontend ) {
// Remove wc-ajax to avoid the value %%endpoint%% to be encoded by add_query_arg (used in plain permalinks).
$url = remove_query_arg( 'wc-ajax', $url );
$url = PLL()->links_model->switch_language_in_link( $url, PLL()->curlang );
return add_query_arg( 'wc-ajax', $request, $url );
}
return $url;
}
/**
* Get empty search output
*
* @return array
*/
private function getEmptyOutput() {
$output = array(
'engine' => 'free',
'suggestions' => array(),
'time' => '0 sec',
'total' => 0,
'v' => DGWT_WCAS_VERSION,
);
return $output;
}
}