refactor: ottimizzazione caricamento datatables

Author: Pek5892

ajax_dataload.php

@@ -59,7 +59,7 @@
     'draw' => $draw_numer,
 ];
 
-$query = Query::getQuery($structure);
+$query = Query::getQuery($structure, [], [], [], $total);
 if (!empty($query)) {
     // CONTEGGIO TOTALE
     $results['recordsTotal'] = $dbo->fetchNum($query);

src/Util/Query.php

@@ -183,9 +183,11 @@ public static function replacePlaceholder($query)
      *
      * @return mixed|string
      */
-    public static function getQuery($structure, $search = [], $order = [], $limit = [])
+    public static function getQuery($structure, $search = [], $order = [], $limit = [], $total = [])
     {
-        $total = self::readQuery($structure);
+        if (empty($total)) {
+            $total = self::readQuery($structure);
+        }
 
         // Lettura parametri modulo
         $query = $total['query'];