Exception handling enhancement

app/api/deps.py

@@ -7,7 +7,7 @@ This module provides classes and functions for:
 - ....
 """
 
-from fastapi import Depends, HTTPException
+from fastapi import Depends
 from fastapi.security import HTTPAuthorizationCredentials, HTTPBearer
 from sqlalchemy.orm import Session
 
@@ -16,6 +16,7 @@ from middleware.auth import AuthManager
 from middleware.rate_limiter import RateLimiter
 from models.database.shop import Shop
 from models.database.user import User
+from app.exceptions import (AdminRequiredException,ShopNotFoundException, UnauthorizedShopAccessException)
 
 # Set auto_error=False to prevent automatic 403 responses
 security = HTTPBearer(auto_error=False)
@@ -30,11 +31,13 @@ def get_current_user(
     """Get current authenticated user."""
     # Check if credentials are provided
     if not credentials:
-        raise HTTPException(status_code=401, detail="Authorization header required")
+        from app.exceptions.auth import InvalidTokenException
+        raise InvalidTokenException("Authorization header required")
 
     return auth_manager.get_current_user(db, credentials)
 
 
+
 def get_current_admin_user(current_user: User = Depends(get_current_user)):
     """Require admin user."""
     return auth_manager.require_admin(current_user)
@@ -48,9 +51,10 @@ def get_user_shop(
     """Get shop and verify user ownership."""
     shop = db.query(Shop).filter(Shop.shop_code == shop_code.upper()).first()
     if not shop:
-        raise HTTPException(status_code=404, detail="Shop not found")
+        raise ShopNotFoundException(shop_code)
 
     if current_user.role != "admin" and shop.owner_id != current_user.id:
-        raise HTTPException(status_code=403, detail="Access denied to this shop")
+        raise UnauthorizedShopAccessException(shop_code, current_user.id)
 
     return shop
+