Fix crud query for guests reservations

backend/app/crud/gift.py

@@ -91,7 +91,7 @@ class CRUDGiftItem(CRUDBase[GiftItem, GiftItemCreate, GiftItemUpdate]):
     ) -> GiftItem:
         """Reserve a gift for a guest with specified quantity"""
 
-        gift = self.get(db, gift_id)
+        gift: GiftItem = self.get(db, gift_id)
         if gift and gift.status == GiftStatus.AVAILABLE:
             # Add to the association table using the SQLAlchemy Core Table directly
             from app.models.guest import guest_gifts
@@ -306,18 +306,50 @@ class CRUDGiftPurchase(CRUDBase[GiftPurchase, GiftPurchaseCreate, GiftPurchaseUp
             self, db: Session, *, gift_id: UUID
     ) -> List[GiftPurchase]:
         """Get all purchases for a specific gift"""
-        return db.query(self.model).filter(
+        return db.query(GiftPurchase).filter(
             GiftPurchase.gift_id == gift_id
         ).order_by(desc(GiftPurchase.purchased_at)).all()
 
-    def get_by_guest(
-            self, db: Session, *, guest_id: UUID
+    def get_gift_reservations_by_guest(
+            self, db: Session, *, guest_id: UUID | str
     ) -> List[GiftPurchase]:
-        """Get all purchases made by a specific guest"""
-        return db.query(self.model).filter(
-            GiftPurchase.guest_id == guest_id
-        ).order_by(desc(GiftPurchase.purchased_at)).all()
+        """Convert gift reservations to purchase-like objects for API compatibility"""
+        print(f"Getting all gift reservations of: {guest_id}")
+        guest_id = guest_id if isinstance(guest_id, UUID) else UUID(guest_id)
 
+        # Query the guest object first
+        guest = db.query(Guest).get(guest_id)
+
+        if not guest:
+            return []
+
+        # Create pseudo-purchase objects from reservations
+        result = []
+        for gift in guest.gifts:
+            # Access the association data through the relationship metadata
+            from sqlalchemy import select
+            from app.models.guest import guest_gifts
+
+            # Get the reservation data
+            stmt = select(guest_gifts).where(
+                (guest_gifts.c.guest_id == guest_id) &
+                (guest_gifts.c.gift_id == gift.id)
+            )
+            reservation = db.execute(stmt).first()
+
+            if reservation:
+                # Create a new GiftPurchase object
+                purchase = GiftPurchase(
+                    id=UUID('00000000-0000-0000-0000-000000000000'),  # Placeholder UUID
+                    gift_id=gift.id,
+                    guest_id=guest_id,
+                    quantity=1,  # Default
+                    purchased_at=reservation.reserved_at,  # Use reservation time
+                    notes=reservation.notes
+                )
+                result.append(purchase)
+
+        return result
 
 # Create CRUD instances
 gift_item_crud = CRUDGiftItem(GiftItem)