Fix several problems with gift registry api

backend/app/api/routes/events/gifts.py

@@ -926,8 +926,13 @@ def cancel_gift_reservation(
 
     # For admin users, allow direct cancellation
     if current_user:
-        return gift_item_crud.cancel_reservation(db, gift_id=item_id, guest_id=guest_id)
+        try:
+            return gift_item_crud.cancel_reservation(db, gift_id=item_id, guest_id=guest_id)
+        except ValueError as e:
+            raise HTTPException(status_code=400, detail=str(e))
 
+    # Missing the return statement here, which is also a problem
+    return gift_item_crud.cancel_reservation(db, gift_id=item_id, guest_id=guest_id)
 
 # ===== GIFT PURCHASES ===== #
 
@@ -1042,6 +1047,4 @@ def read_gift_purchases_by_guest(
     if not event or not event.is_public:
         raise HTTPException(status_code=403, detail="Not enough permissions")
 
-    gifts = gift_purchase_crud.get_gift_reservations_by_guest(db, guest_id=guest_id)
-    print(gifts)
-    return gifts
+    return gift_purchase_crud.get_gift_reservations_by_guest(db, guest_id=guest_id)

backend/app/api/routes/events/router.py

@@ -271,11 +271,12 @@ def get_event_by_slug(
         db: Session = Depends(get_db),
         slug: str,
         access_code: Optional[str] = Query(None),
-        current_user: Optional[User] = Depends(get_current_user)
+        current_user: Optional[User] = Depends(get_optional_current_user)
 ) -> EventResponse:
     """Get event by slug."""
     try:
         event_obj = event_crud.get_by_slug(db=db, slug=slug)
+        print(f"Event {event_obj}")
         return validate_event_access(
             db=db,
             event_obj=event_obj,

backend/app/crud/base.py

@@ -1,4 +1,6 @@
 from typing import Any, Dict, Generic, List, Optional, Type, TypeVar, Union
+from uuid import UUID
+
 from fastapi.encoders import jsonable_encoder
 from pydantic import BaseModel
 from sqlalchemy.orm import Session
@@ -19,7 +21,7 @@ class CRUDBase(Generic[ModelType, CreateSchemaType, UpdateSchemaType]):
         """
         self.model = model
 
-    def get(self, db: Session, id: str) -> Optional[ModelType]:
+    def get(self, db: Session, id: UUID | str) -> Optional[ModelType]:
         return db.query(self.model).filter(self.model.id == id).first()
 
     def get_multi(

backend/app/crud/gift.py

@@ -121,26 +121,35 @@ class CRUDGiftItem(CRUDBase[GiftItem, GiftItemCreate, GiftItemUpdate]):
         return gift
 
     def cancel_reservation(
-            self, db: Session, *, gift_id: UUID, guest_id: UUID
+            self, db: Session, *, gift_id: UUID | str, guest_id: UUID | str
     ) -> GiftItem:
         """Cancel a gift reservation"""
+        gift_id = UUID(gift_id) if isinstance(gift_id, str) else gift_id
         gift = self.get(db, gift_id)
-        guest = db.query(Guest).get(guest_id)
 
-        if gift and gift.status == GiftStatus.RESERVED:
-            # Using the ORM relationship approach
+        if not gift:
+            raise ValueError(f"Gift with ID {gift_id} not found")
+
+        guest_id = UUID(guest_id) if isinstance(guest_id, str) else guest_id
+        guest = db.query(Guest).get(guest_id)
+        if not guest:
+            raise ValueError(f"Guest with ID {guest_id} not found")
+
+        # Only perform the operation if the gift is reserved
+        if gift.status == GiftStatus.RESERVED:
+            # Check if this guest has actually reserved this gift
             if guest in gift.reserved_by:
                 gift.reserved_by.remove(guest)
 
-            # Update gift status
-            gift.status = GiftStatus.AVAILABLE
-            gift.last_status_change = datetime.now(timezone.utc)
+                # Only change status if no other guests have reserved this gift
+                if not gift.reserved_by:
+                    gift.status = GiftStatus.AVAILABLE
+                    gift.last_status_change = datetime.now(timezone.utc)
 
-            db.commit()
-            db.refresh(gift)
-
-        return gift
+                db.commit()
+                db.refresh(gift)
 
+        return gift  # Always return the gift object, even if no changes were made
 
 class CRUDEventGiftCategory:
     def create(self, db: Session, *, obj_in: EventGiftCategoryCreate) -> EventGiftCategory:
@@ -314,7 +323,6 @@ class CRUDGiftPurchase(CRUDBase[GiftPurchase, GiftPurchaseCreate, GiftPurchaseUp
             self, db: Session, *, guest_id: UUID | str
     ) -> List[GiftPurchase]:
         """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
@@ -351,6 +359,7 @@ class CRUDGiftPurchase(CRUDBase[GiftPurchase, GiftPurchaseCreate, GiftPurchaseUp
 
         return result
 
+
 # Create CRUD instances
 gift_item_crud = CRUDGiftItem(GiftItem)
 gift_category_crud = CRUDGiftCategory(GiftCategory)