[backend] Optimisation requête statistiques (chiffre d'affaire)

backend/controllers/StatsController.php

@@ -96,22 +96,27 @@ class StatsController extends BackendController
         foreach ($period as $date) {
             $month = date('m/Y', $date->getTimestamp());
             $dataLabels[] = $month;
-            $data[$month] = 0;
-        }
 
-        // commandes
-        $ordersArray = Order::searchAll([],[
-            'conditions' => 'distribution.date > :date',
-            'params' => [':date' => $dateStart]
-        ]) ;
-
-        if($ordersArray) {
-            foreach ($ordersArray as $order) {
-                $month = date('m/Y', strtotime($order->distribution->date));
-                if (isset($data[$month])) {
-                    $data[$month] += $order->amount;
-                }
+            $res = Yii::$app->db->createCommand("SELECT SUM(product_order.price * product_order.quantity) AS total
+                    FROM `order`, product_order, distribution
+                    WHERE distribution.id_producer = :id_producer
+                    AND `order`.id_distribution = distribution.id
+                    AND `order`.id = product_order.id_order
+                    AND distribution.date >= :date_start
+                    AND distribution.date <= :date_end
+                ")
+                ->bindValue(':id_producer', Producer::getId())
+                ->bindValue(':date_start', date('Y-m-', $date->getTimestamp()).'01')
+                ->bindValue(':date_end', date('Y-m-', $date->getTimestamp()).'31' )
+                ->queryOne();
+
+            if($res['total']) {
+                $data[$month] = $res['total'];
             }
+            else {
+                $data[$month] = 0;
+            }
+
         }
 
         // création d'un tableau sans index car chart.js n'accepte pas les index