Add getLaneProducts method to department_selfserve_tasks_o and implement lane product retrieval in related objects and routes; enhance object validation with requireSelected method

services/nginx/app/classes/object_property.php

@@ -28,12 +28,22 @@ class object_property
         return $this->value();
     }
 
+    public function requireSelected(): void
+    {
+        // Check if the object is selected
+        // This is a placeholder function. In a real implementation, this would check if the object
+        if (!isset($this->id)) {
+            throw new \RuntimeException("Object not selected");
+        }
+    }
+
     /**
      * Get the value of the field in the database table
      * @return mixed The value of the field in the database table
      */
     public function value(): mixed
     {
+        self::requireSelected();
         if ($this->id < 0) {
             // If the object id is less than 0, return the fake value
             return $this->fake_value ?? $this->default;

services/nginx/app/objects/department_lanes_o.php

@@ -29,6 +29,7 @@ class department_lanes_o extends db
 
     public function getLaneStatus(): \modules\selfserve\helpers\selfserve_lane_status
     {
+        self::requireSelected();
         $selfserve = new selfserve();
         $lane = $selfserve->lane((int)$this->id);
         return $lane->getLaneStatus();
@@ -108,6 +109,17 @@ class department_lanes_o extends db
         ];
     }
 
+    /**
+     * Get the self-serve lane products available for this lane
+     * @return array An array of product ids available for this lane
+     * @throws Exception
+     */
+    public function getSelfServeLaneProducts(): array
+    {
+        self::requireSelected();
+        return department_selfserve_tasks_o::getLaneProducts((int)$this->id);
+    }
+
     /**
      * @throws Exception
      * @return department_lanes_o[] An array of department lane objects for the specified department

services/nginx/app/objects/department_selfserve_tasks_o.php

@@ -22,6 +22,22 @@ class department_selfserve_tasks_o extends db
     public object_property $updated_at;
     public object_property $deleted_at;
 
+    public static function getLaneProducts(int $lane_id): array
+    {
+        global /** @var db $db */
+        $db;
+        // Sanitize the input
+        $lane_id = (int)$lane_id;
+        // Get the products for the lane
+        $sql = "SELECT DISTINCT product FROM department_selfserve_tasks WHERE lane = $lane_id AND deleted_at IS NULL ORDER BY product DESC";
+        $result = $db->query($sql);
+        $products = [];
+        while ($row = $db->fetch_assoc($result)) {
+            $products[] = (int)$row['product'];
+        }
+        return $products;
+    }
+
 
     public function structure(): void
     {

services/nginx/app/routes/guestRoute.php

@@ -73,6 +73,7 @@ class guestRoute
                             'id' => (int)$lane->id,
                             'name' => (string)$lane->name->value(),
                             'status' => (string)$lane->getLaneStatus()->name,
+                            'products' => $lane->getSelfServeLaneProducts(),
                         ];
                     }, $department->getLanes());
                 }