Not tested yet

src/services/user_service.py

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+import logging
+from typing import List, Optional
+from src.models.user import User
+from src.services.mongodb_service import MongoDBService
+
+logger = logging.getLogger(__name__)
+
+class UserService:
+    """Service class for user management operations"""
+    
+    def __init__(self, mongo_service: MongoDBService):
+        self.mongo_service = mongo_service
+    
+    def get_all_users(self) -> List[User]:
+        """Retrieve all users from MongoDB"""
+        return self.mongo_service.get_users()
+    
+    def get_user_by_id(self, user_id: int) -> Optional[User]:
+        """Retrieve a specific user by ID from MongoDB"""
+        return self.mongo_service.get_user_by_id(user_id)
+    
+    def save_user(self, user: User) -> bool:
+        """Save a user to MongoDB"""
+        return self.mongo_service.save_user(user)
+    
+    def delete_user(self, user_id: int) -> bool:
+        """Delete a user from MongoDB"""
+        return self.mongo_service.delete_user(user_id)
+    
+    def update_user(self, user: User) -> bool:
+        """Update an existing user in MongoDB"""
+        return self.mongo_service.save_user(user)
+    
+    def get_users_by_role(self, role: str) -> List[User]:
+        """Retrieve users by role from MongoDB"""
+        try:
+            users = self.get_all_users()
+            return [user for user in users if user.role == role]
+        except Exception as e:
+            logger.error(f"Error retrieving users by role '{role}': {e}")
+            return []
+    
+    def get_active_users(self) -> List[User]:
+        """Retrieve all active users from MongoDB"""
+        try:
+            users = self.get_all_users()
+            return [user for user in users if user.is_active]
+        except Exception as e:
+            logger.error(f"Error retrieving active users: {e}")
+            return []