Big refactor of gift categories model

backend/app/schemas/gifts.py

@@ -123,7 +123,6 @@ class GiftCategoryBase(BaseModel):
 
 # Schema for creating a category
 class GiftCategoryCreate(GiftCategoryBase):
-    event_id: UUID
     created_by: UUID
 
 
@@ -133,15 +132,12 @@ class GiftCategoryUpdate(BaseModel):
     description: Optional[str] = None
     icon: Optional[str] = None
     color: Optional[str] = None
-    display_order: Optional[int] = None
-    is_visible: Optional[bool] = None
     custom_fields: Optional[Dict[str, Any]] = None
 
 
 # Schema for reading a category
 class GiftCategoryInDB(GiftCategoryBase):
     id: UUID
-    event_id: UUID
     created_by: UUID
     created_at: datetime
     updated_at: datetime
@@ -150,11 +146,42 @@ class GiftCategoryInDB(GiftCategoryBase):
         from_attributes = True
 
 
+# Event-Category association schemas
+class EventGiftCategoryBase(BaseModel):
+    event_id: UUID
+    category_id: UUID
+    display_order: int = 0
+    is_visible: bool = True
+
+
+# Schema for creating an event-category association
+class EventGiftCategoryCreate(EventGiftCategoryBase):
+    pass
+
+
+# Schema for updating an event-category association
+class EventGiftCategoryUpdate(BaseModel):
+    display_order: Optional[int] = None
+    is_visible: Optional[bool] = None
+
+
+# Schema for reading an event-category association
+class EventGiftCategoryInDB(EventGiftCategoryBase):
+    created_at: datetime
+
+    class Config:
+        from_attributes = True
+
+
 # Public category response with statistics
 class GiftCategory(GiftCategoryInDB):
-    total_gifts: int
-    available_gifts: int
+    # These properties will be calculated for a specific event in the API
+    total_gifts: Optional[int] = None
+    available_gifts: Optional[int] = None
     gifts: Optional[List[GiftItem]] = None
+    # For display in a specific event context
+    display_order: Optional[int] = None
+    is_visible: Optional[bool] = None
 
     class Config:
         from_attributes = True
@@ -195,4 +222,4 @@ class GiftPurchaseInDB(GiftPurchaseBase):
 # Public gift purchase response
 class GiftPurchase(GiftPurchaseInDB):
     class Config:
-        from_attributes = True
+        from_attributes = True