Add quantity in reserve_gift_item endpoint

backend/app/crud/gift.py

@@ -87,9 +87,9 @@ class CRUDGiftItem(CRUDBase[GiftItem, GiftItemCreate, GiftItemUpdate]):
         return gift
 
     def reserve_gift(
-            self, db: Session, *, gift_id: UUID, guest_id: UUID, notes: Optional[str] = None
+            self, db: Session, *, gift_id: UUID, guest_id: UUID, quantity: int = 1, notes: Optional[str] = None
     ) -> GiftItem:
-        """Reserve a gift for a guest"""
+        """Reserve a gift for a guest with specified quantity"""
 
         gift = self.get(db, gift_id)
         if gift and gift.status == GiftStatus.AVAILABLE:
@@ -104,10 +104,18 @@ class CRUDGiftItem(CRUDBase[GiftItem, GiftItemCreate, GiftItemUpdate]):
             )
             db.execute(stmt)
 
-            # Update gift status
+            # Update gift status and quantity
             gift.status = GiftStatus.RESERVED
             gift.last_status_change = datetime.now(timezone.utc)
 
+            # Record the reservation quantity by updating quantity_received
+            # This effectively reduces the remaining_quantity
+            gift.quantity_received += quantity
+
+            # If fully received, ensure status reflects that
+            if gift.quantity_received >= gift.quantity_requested:
+                gift.status = GiftStatus.RECEIVED
+
             db.commit()
             db.refresh(gift)
         return gift
@@ -159,7 +167,7 @@ class CRUDEventGiftCategory:
         ).first()
 
     def update(
-        self, db: Session, *, db_obj: EventGiftCategory, obj_in: Union[EventGiftCategoryUpdate, Dict[str, Any]]
+            self, db: Session, *, db_obj: EventGiftCategory, obj_in: Union[EventGiftCategoryUpdate, Dict[str, Any]]
     ) -> EventGiftCategory:
         """Update an event-category association"""
         if isinstance(obj_in, dict):