Add list-all orders endpoint for the admin orders view

OrderService/OrderService/Controllers/OrdersController.cs

@@ -34,11 +34,14 @@ public async Task<IActionResult> GetOrder(Guid id)
         return order is null ? NotFound() : Ok(order);
     }
 
-    // GET /api/orders?customerId=xxx — returns full order history for a customer
+    // GET /api/orders — returns all orders (admin view, issue #53)
+    // GET /api/orders?customerId=xxx — returns full order history for one customer
     [HttpGet]
-    public async Task<IActionResult> GetOrderHistory([FromQuery] string customerId)
+    public async Task<IActionResult> GetOrders([FromQuery] string? customerId)
     {
-        var orders = await _orderService.GetOrderHistoryAsync(customerId);
+        var orders = string.IsNullOrWhiteSpace(customerId)
+            ? await _orderService.GetAllOrdersAsync()
+            : await _orderService.GetOrderHistoryAsync(customerId);
         return Ok(orders);
     }
 }

OrderService/OrderService/Services/IOrderService.cs

@@ -9,4 +9,5 @@ public interface IOrderService
     Task<OrderResponseDto> PlaceOrderAsync(PlaceOrderDto dto);
     Task<OrderResponseDto?> GetOrderAsync(Guid id);
     Task<IEnumerable<OrderResponseDto>> GetOrderHistoryAsync(string customerId);
+    Task<IEnumerable<OrderResponseDto>> GetAllOrdersAsync();
 }

OrderService/OrderService/Services/OrderService.cs

@@ -88,6 +88,17 @@ public async Task<IEnumerable<OrderResponseDto>> GetOrderHistoryAsync(string cus
         return orders.Select(ToResponseDto);
     }
 
+    // Returns every order, newest first. Backs the admin Orders view (issue #53).
+    public async Task<IEnumerable<OrderResponseDto>> GetAllOrdersAsync()
+    {
+        var orders = await _db.Orders
+            .Include(o => o.Items)
+            .OrderByDescending(o => o.CreatedAt)
+            .ToListAsync();
+
+        return orders.Select(ToResponseDto);
+    }
+
     // Calls OpenStreetMap Nominatim to convert a text address to GPS coordinates.
     // Falls back to downtown Spokane if geocoding fails so orders still go through.
     private async Task<(double Latitude, double Longitude)> GeocodeAddressAsync(string address)