Enhance orders_o, order_items_o, and InvoicingPeriodRoute: add transaction and calculation methods, implement debug execution timing, refine invoicing period handling, optimize order retrieval, improve caching, and expand database query logic.

services/nginx/app/objects/order_items_o.php

@@ -236,17 +236,22 @@ class order_items_o extends db
         ];
     }
 
-    public function getAllItemsAsArray(int $orderId): array
+    public function getAllItemsAsArray(int $orderId, ?array $onlySpecificColumns = null): array
     {
         global $db;
-        $sql = "SELECT * FROM $this->table WHERE order_id = $orderId AND deleted_at IS NULL";
+        // Get all items for the order
+        if ($onlySpecificColumns) {
+            $columns = implode(', ', $onlySpecificColumns);
+        } else {
+            $columns = '*';
+        }
+        $sql = "SELECT $columns FROM $this->table WHERE order_id = $orderId AND deleted_at IS NULL";
         $result = $db->query($sql);
         // Circumvent the repeated instantiation of the object, by just selecting the fields
         $items = [];
         if ($result->num_rows > 0) {
-            while ($row = $result->fetch_assoc()) {
-                $items[] = $row;
-            }
+            // Fetch all rows
+            return $result->fetch_all(MYSQLI_ASSOC);
         }
         return $items;
     }