Working on API

src/file-processor/app/api/routes/users.py

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+from fastapi import APIRouter, Depends, HTTPException
+from starlette import status
+
+from app.api.dependencies import get_admin_user, get_user_service
+from app.models.auth import UserResponse, MessageResponse
+from app.models.types import PyObjectId
+from app.models.user import UserInDB, UserCreate, UserUpdate
+from app.services.user_service import UserService
+
+router = APIRouter(tags=["users"])
+
+
+@router.get("", response_model=list[UserInDB])
+def list_users(
+    admin_user: UserInDB = Depends(get_admin_user),
+    user_service: UserService = Depends(get_user_service)
+):
+  """
+  List all users (admin only).
+
+  Args:
+      admin_user: Current admin user
+      user_service: User service instance
+
+  Returns:
+      List[UserResponse]: List of all users without sensitive data
+  """
+  return user_service.list_users()
+
+
+@router.get("/{user_id}", response_model=UserResponse)
+def get_user_by_id(
+    user_id: PyObjectId,
+    admin_user: UserInDB = Depends(get_admin_user),
+    user_service: UserService = Depends(get_user_service)
+):
+  """
+  Get specific user by ID (admin only).
+
+  Args:
+      user_id: User ID to retrieve
+      admin_user: Current admin user
+      user_service: User service instance
+
+  Returns:
+      UserResponse: User information without sensitive data
+
+  Raises:
+      HTTPException: If user not found
+  """
+  user = user_service.get_user_by_id(str(user_id))
+  if not user:
+    raise HTTPException(
+      status_code=status.HTTP_404_NOT_FOUND,
+      detail="User not found"
+    )
+  
+  return user
+
+
+@router.post("", response_model=UserResponse, status_code=status.HTTP_201_CREATED)
+def create_user(
+    user_data: UserCreate,
+    admin_user: UserInDB = Depends(get_admin_user),
+    user_service: UserService = Depends(get_user_service)
+):
+  """
+  Create new user (admin only).
+
+  Args:
+      user_data: User creation data
+      admin_user: Current admin user
+      user_service: User service instance
+
+  Returns:
+      UserResponse: Created user information without sensitive data
+
+  Raises:
+      HTTPException: If user creation fails
+  """
+  try:
+    user = user_service.create_user(user_data)
+    return UserResponse(
+      _id=user.id,
+      username=user.username,
+      email=user.email,
+      role=user.role,
+      is_active=user.is_active,
+      created_at=user.created_at,
+      updated_at=user.updated_at
+    )
+  except ValueError as e:
+    raise HTTPException(
+      status_code=status.HTTP_400_BAD_REQUEST,
+      detail=str(e)
+    )
+
+
+@router.put("/{user_id}", response_model=UserResponse)
+def update_user(
+    user_id: PyObjectId,
+    user_data: UserUpdate,
+    admin_user: UserInDB = Depends(get_admin_user),
+    user_service: UserService = Depends(get_user_service)
+):
+  """
+  Update existing user (admin only).
+
+  Args:
+      user_id: User ID to update
+      user_data: User update data
+      admin_user: Current admin user
+      user_service: User service instance
+
+  Returns:
+      UserResponse: Updated user information without sensitive data
+
+  Raises:
+      HTTPException: If user not found or update fails
+  """
+  try:
+    user = user_service.update_user(str(user_id), user_data)
+    if not user:
+      raise HTTPException(
+        status_code=status.HTTP_404_NOT_FOUND,
+        detail="User not found"
+      )
+    
+    return UserResponse(
+      _id=user.id,
+      username=user.username,
+      email=user.email,
+      role=user.role,
+      is_active=user.is_active,
+      created_at=user.created_at,
+      updated_at=user.updated_at
+    )
+  except ValueError as e:
+    raise HTTPException(
+      status_code=status.HTTP_400_BAD_REQUEST,
+      detail=str(e)
+    )
+
+
+@router.delete("/{user_id}", response_model=MessageResponse)
+def delete_user(
+    user_id: PyObjectId,
+    admin_user: UserInDB = Depends(get_admin_user),
+    user_service: UserService = Depends(get_user_service)
+):
+  """
+  Delete user by ID (admin only).
+
+  Args:
+      user_id: User ID to delete
+      admin_user: Current admin user
+      user_service: User service instance
+
+  Returns:
+      MessageResponse: Success message
+
+  Raises:
+      HTTPException: If user not found or deletion fails
+  """
+  success = user_service.delete_user(str(user_id))
+  if not success:
+    raise HTTPException(
+      status_code=status.HTTP_404_NOT_FOUND,
+      detail="User not found"
+    )
+  
+  return MessageResponse(message="User successfully deleted")