wordpress FAQ plugin

htdocs/wp-content/themes/lawcarta/functions.php

@@ -65,6 +65,7 @@ add_action('wp_enqueue_scripts', function () {
 
     wp_enqueue_style('jquery-ui', '//code.jquery.com/ui/1.12.1/themes/smoothness/jquery-ui.css', ['bootstrap'], null);
     wp_enqueue_script('jquery-ui', '//code.jquery.com/ui/1.12.1/jquery-ui.min.js', ['custom-jquery'], null, true);
+    wp_enqueue_script('lawcarta-js', get_theme_file_uri('/assets/js/faqSearch.js'), ['custom-jquery'], null, true);
 
     wp_enqueue_style('lawcarta-external-style', get_theme_file_uri('/assets/css/style.min.css'), ['jquery-ui']);
     wp_enqueue_style('lawcarta-newcss', get_theme_file_uri('/assets/css/newcss.min.css'), ['lawcarta-external-style']);
@@ -122,3 +123,62 @@ add_filter('tiny_mce_before_init', function ($settings) {
     $settings['valid_children']="+a[div|p|ul|ol|li|h1|h2|h3|h4|h5|h5|h6]";
     return $settings;
 });
+
+function enableSearchQuery()
+{
+    return !empty($_POST['search_text']);
+}
+
+function getFaqPosts($args) {
+    if (enableSearchQuery()) {
+        // WP magic
+        add_filter( 'posts_where', 'my_filter_post_where' );
+    }
+    $posts = get_posts($args);
+    if (enableSearchQuery()) {
+        remove_filter( 'posts_where', 'my_filter_post_where' );
+    }
+    return $posts;
+}
+
+function getFaaTaxonomyIds()
+{
+    if (!enableSearchQuery())
+    {
+        return false;
+    }
+
+    $posts = getFaqPosts([
+        'post_type' => 'fac_category_answer',
+        'suppress_filters' => false,
+        'numberposts' => -1,
+    ]);
+    if (count($posts) == 0) {
+        return [];
+    }
+    $tIds = [];
+    foreach ($posts as $post) {
+        $taxonomies = get_the_terms($post, 'fac_category_type');
+        if (count($taxonomies) > 0) {
+            foreach ($taxonomies as $taxonomy) {
+                if (!in_array($taxonomy->term_id, $tIds)) {
+                    $tIds[] = $taxonomy->term_id;
+                }
+            }
+        }
+    }
+    return $tIds;
+}
+
+function my_filter_post_where( $where) {
+    global $wpdb;
+    if (!enableSearchQuery()) {
+        return $where;
+    }
+    $where .= ' AND (
+                      ' . $wpdb->posts . '.post_title LIKE \'%' . esc_sql( $_POST['search_text'] ) . '%\' OR
+                      ' . $wpdb->posts . '.post_content LIKE \'%' . esc_sql( $_POST['search_text'] ) . '%\' 
+                    )';
+
+    return $where;
+}