brands-in-shops feature implemented

backend/schemas.py

@@ -20,6 +20,28 @@ class Brand(BrandBase):
     class Config:
         from_attributes = True
 
+# BrandInShop schemas
+class BrandInShopBase(BaseModel):
+    shop_id: int
+    brand_id: int
+
+class BrandInShopCreate(BrandInShopBase):
+    pass
+
+class BrandInShopUpdate(BaseModel):
+    shop_id: Optional[int] = None
+    brand_id: Optional[int] = None
+
+class BrandInShop(BrandInShopBase):
+    id: int
+    created_at: datetime
+    updated_at: Optional[datetime] = None
+    shop: "Shop"
+    brand: "Brand"
+    
+    class Config:
+        from_attributes = True
+
 # Grocery Category schemas
 class GroceryCategoryBase(BaseModel):
     name: str
@@ -168,4 +190,7 @@ class ShopStats(BaseModel):
     shop_name: str
     total_spent: float
     visit_count: int
-    avg_per_visit: float 
+    avg_per_visit: float
+
+# Update forward references
+BrandInShop.model_rebuild()