separated clients handlers, cart->checkout ppline

services/orders.py

@@ -156,7 +156,7 @@ class OrderService:
 
         return await self.order_items_repo.get_items_count(session, order_id=order.id)
 
-    async def build_cart_dto(
+    async def build_pagination_cart_dto(
         self,
         session: AsyncSession,
         *,
@@ -190,4 +190,30 @@ class OrderService:
             cart_items.append(cart_item)
             total += cart_item.total
 
-        return CartDTO(items=cart_items, total=total)
+        return CartDTO(items=cart_items, total=total, order_id=order.id)
+
+    async def build_full_cart_dto(self, session: AsyncSession, customer: int):
+        order = await self.order_repo.get_draft_order_by_user(session, customer)
+
+        cart_items = []
+        total = 0
+
+        if not order:
+            return CartDTO(items=cart_items, total=total)
+
+        for cart_item in order.items:
+            if cart_item.quantity <= 0:
+                await self.order_items_repo.delete_item(session, item_id=cart_item.id)
+                continue
+
+            dto = CartItemDTO(
+                product_id=cart_item.product.id,
+                name=cart_item.product.name,
+                quantity=cart_item.quantity,
+                price=cart_item.product.price,
+            )
+
+            cart_items.append(dto)
+            total += dto.total
+
+        return CartDTO(cart_items, total=total, order_id=order.id)