feat: add summary to completed orders

src/application/abstractions/repositories/i_order_repository.py

@@ -1,4 +1,5 @@
 from abc import ABC,abstractmethod
+from decimal import Decimal
 
 from src.application.domain.entities.order import OrderEntity
 from src.application.domain.enums import OrderStatus
@@ -25,6 +26,11 @@ class IOrderRepository(ABC):
         raise NotImplementedError
     
 
+    @abstractmethod
+    async def sum_by_date(self,*,year: int,month: int) -> Decimal:
+        raise NotImplementedError
+    
+
     @abstractmethod
     async def count_all(self,*,search: str | None = None) -> int:
         raise NotImplementedError

src/application/commands/orders_commands.py

@@ -52,7 +52,7 @@ class ListOrdersByDateCommand:
 
 
     @transactional
-    async def __call__(self, *, limit: int, offset: int, year: int, month: int | None = None) -> tuple[list[OrderEntity], int]:
+    async def __call__(self, *, limit: int, offset: int, year: int, month: int | None = None) -> tuple[list[OrderEntity], int, Decimal]:
         orders = await self._unit_of_work.order_repository.list_by_date(
             year=year,
             month=month,
@@ -61,8 +61,9 @@ class ListOrdersByDateCommand:
         )
 
         total = await self._unit_of_work.order_repository.count_by_date(year=year, month=month)
+        summary = await self._unit_of_work.order_repository.sum_by_date(year=year, month=month)
 
-        return orders, total
+        return orders, total, summary
 
 
 class GetOrderCommand:

src/infrastructure/database/repositories/orders_repository.py

@@ -126,6 +126,19 @@ class OrderRepository(IOrderRepository):
         return [self._to_entity(model) for model in res.scalars().all()]
     
 
+    async def sum_by_date(self, *, year: int, month: int) -> Decimal:
+        stmt = (
+            select(func.coalesce(func.sum(OrderModel.service_fee), 0))
+            .where(
+                extract("year", OrderModel.created_at) == year,
+                extract("month", OrderModel.created_at) == month,
+                OrderModel.status == OrderStatus.COMPLETED.value,
+            )
+        )
+        res = await self._session.execute(stmt)
+        return res.scalar_one()
+    
+
     async def count_all(self,*,search: str | None = None) -> int:
         stmt = select(func.count()).select_from(OrderModel)
         search_filter = self._search_filter(search)

src/presentation/routing/orders.py

@@ -11,6 +11,7 @@ from src.presentation.schemas.mappers import order_to_response
 from src.presentation.schemas.order import (
     OrdersResponse,
     OrderResponse,
+    OrdersByDateResponse,
     OrderDetailResponse,
 )
 from src.application.commands.orders_commands import (
@@ -69,7 +70,7 @@ async def get_order(
     )
 
 
-@orders_router.get('/filter/date', response_model=OrdersResponse)
+@orders_router.get('/filter/date', response_model=OrdersByDateResponse)
 async def list_orders_by_date(
     year: int = Query(..., ge=2000, le=2100),
     month: int = Query(..., ge=1, le=12),
@@ -78,8 +79,9 @@ async def list_orders_by_date(
     auth: AdminAuthContext = Depends(require_admin_access),
     command: ListOrdersByDateCommand = Depends(get_list_orders_by_date_command),
 ):
-    orders, total = await command(year=year, month=month, limit=limit, offset=offset)
-    return OrdersResponse(
+    orders, total, summary = await command(year=year, month=month, limit=limit, offset=offset)
+    return OrdersByDateResponse(
         items=[order_to_response(o) for o in orders],
         total=total,
+        summed_service_fees=summary,
     )

src/presentation/schemas/order.py

@@ -41,3 +41,8 @@ class OrderResponse(BaseModel):
 class OrdersResponse(BaseModel):
     items: list[OrderResponse]
     total: int
+
+class OrdersByDateResponse(BaseModel):
+    items: list[OrderResponse]
+    total: int
+    summed_service_fees: Decimal