Implemented default pipeline

src/file-processor/app/services/user_service.py

@@ -6,11 +6,11 @@ retrieval, updates, and authentication operations with proper error handling.
 """
 
 from typing import Optional, List
+
 from pymongo.errors import DuplicateKeyError
 
-from app.models.user import UserCreate, UserInDB, UserUpdate, UserResponse, UserCreateNoValidation
-from app.models.auth import UserRole
 from app.database.repositories.user_repository import UserRepository
+from app.models.user import UserCreate, UserInDB, UserUpdate, UserCreateNoValidation
 from app.services.auth_service import AuthService
 
 
@@ -22,16 +22,21 @@ class UserService:
   authentication, and data management with proper validation.
   """
   
-  def __init__(self, user_repository: UserRepository):
+  def __init__(self, database):
     """
     Initialize user service with repository dependency.
 
     Args:
         user_repository (UserRepository): Repository for user data operations
     """
-    self.user_repository = user_repository
+    self.db = database
+    self.user_repository = UserRepository(self.db)
     self.auth_service = AuthService()
   
+  def initialize(self):
+    self.user_repository.initialize()
+    return self
+  
   def create_user(self, user_data: UserCreate | UserCreateNoValidation) -> UserInDB:
     """
     Create a new user with business logic validation.