first commit

wp-content/plugins/ajax-search-for-woocommerce/includes/Integrations/Plugins/FacetWP/FacetWP.php

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+<?php
+
+namespace DgoraWcas\Integrations\Plugins\FacetWP;
+
+use  DgoraWcas\Helpers ;
+// Exit if accessed directly
+if ( !defined( 'ABSPATH' ) ) {
+    exit;
+}
+/**
+ * Integration with FacetWP
+ *
+ * Plugin URL: https://facetwp.com/
+ * Author: FacetWP, LLC
+ */
+class FacetWP
+{
+    private static  $engine = 'dgwt_wcas' ;
+    public  $search_terms ;
+    public function init()
+    {
+        if ( !defined( 'FACETWP_VERSION' ) ) {
+            return;
+        }
+        if ( version_compare( FACETWP_VERSION, '3.5.5' ) < 0 ) {
+            return;
+        }
+        // Search page
+        add_filter(
+            'facetwp_query_args',
+            array( $this, 'query_args' ),
+            10,
+            2
+        );
+        add_filter(
+            'dgwt/wcas/search_bar/value',
+            array( $this, 'restore_search_phrase' ),
+            10,
+            2
+        );
+        // Search facet
+        add_filter( 'facetwp_facet_search_engines', array( $this, 'search_engines' ) );
+        add_filter(
+            'facetwp_facet_filter_posts',
+            array( $this, 'search_facet' ),
+            10,
+            2
+        );
+    }
+    
+    /**
+     * Prevent the default WP search from running when our plugin is enabled
+     */
+    function query_args( $args, $class )
+    {
+        
+        if ( $class->is_search && isset( $class->http_params['get']['dgwt_wcas'] ) ) {
+            $this->search_terms = $args['s'];
+            if ( !dgoraAsfwFs()->is_premium() ) {
+                $products_ids = Helpers::searchProducts( $this->search_terms );
+            }
+            // Set "post__in" based on our plugin results
+            
+            if ( empty($args['post__in']) ) {
+                $post_ids = $products_ids;
+            } else {
+                $post_ids = [];
+                $haystack = array_flip( $args['post__in'] );
+                foreach ( $products_ids as $post_id ) {
+                    if ( isset( $haystack[$post_id] ) ) {
+                        $post_ids[] = $post_id;
+                    }
+                }
+            }
+            
+            $args['post__in'] = ( empty($post_ids) ? [ 0 ] : $post_ids );
+            $args['orderby'] = 'post__in';
+            $args['dgwt_wcas'] = $args['s'];
+            unset( $args['s'] );
+        }
+        
+        return $args;
+    }
+    
+    /**
+     * Restore search phrase in search input
+     *
+     * @return string
+     */
+    public function restore_search_phrase( $phrase, $searchInstances )
+    {
+        if ( !empty($this->search_terms) ) {
+            $phrase = esc_attr( $this->search_terms );
+        }
+        return $phrase;
+    }
+    
+    /**
+     * Add our engine to the search facet
+     */
+    public function search_engines( $engines )
+    {
+        $engines[self::$engine] = DGWT_WCAS_FULL_NAME;
+        return $engines;
+    }
+    
+    /**
+     * Intercept search facets using our engine
+     */
+    public function search_facet( $return, $params )
+    {
+        $facet = $params['facet'];
+        $selected_values = $params['selected_values'];
+        $selected_values = ( is_array( $selected_values ) ? $selected_values[0] : $selected_values );
+        $search_engine = ( isset( $facet['search_engine'] ) ? $facet['search_engine'] : '' );
+        
+        if ( 'search' == $facet['type'] && $search_engine === self::$engine ) {
+            if ( empty($selected_values) ) {
+                return 'continue';
+            }
+            if ( !dgoraAsfwFs()->is_premium() ) {
+                $return = Helpers::searchProducts( $selected_values );
+            }
+        }
+        
+        return $return;
+    }
+
+}