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lang_tools.webapp.services.user_service

User service for user management.

Placeholder for future user persistence and management.

Classes:

UserService 

UserService()

Service for user management.

Currently a placeholder - users are stored only in session. Extend this for persistent user storage with a database.

Initialize user service.

In a real implementation, this would accept a database session.

Methods:

Source code in src/lang_tools/webapp/services/user_service.py 
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def __init__(self) -> None:
    """Initialize user service.

    In a real implementation, this would accept a database session.
    """
    # In-memory user store (placeholder for database)
    self._users: dict[str, UserResponse] = {}

delete_user 

delete_user(user_id: str) -> bool

Delete a user.

Parameters:

  • user_id (str) –

    User identifier.

Returns:

  • bool –

    True if deleted, False if not found.

Source code in src/lang_tools/webapp/services/user_service.py 
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def delete_user(self, user_id: str) -> bool:
    """Delete a user.

    Args:
        user_id: User identifier.

    Returns:
        True if deleted, False if not found.
    """
    if user_id in self._users:
        del self._users[user_id]
        lg.info(f"Deleted user {user_id}")
        return True
    return False

get_or_create_user 

get_or_create_user(
    google_user_info: GoogleUserInfo,
) -> UserResponse

Get existing user or create new one from Google info.

Parameters:

  • google_user_info (GoogleUserInfo) –

    User info from Google OAuth.

Returns:

  • UserResponse –

    UserResponse for the user.

Source code in src/lang_tools/webapp/services/user_service.py 
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def get_or_create_user(self, google_user_info: GoogleUserInfo) -> UserResponse:
    """Get existing user or create new one from Google info.

    Args:
        google_user_info: User info from Google OAuth.

    Returns:
        UserResponse for the user.
    """
    user_id = google_user_info.sub

    if user_id in self._users:
        lg.debug(f"Found existing user: {google_user_info.email}")
        # Update user info from Google (may have changed)
        self._users[user_id] = UserResponse(
            id=user_id,
            email=google_user_info.email,
            name=google_user_info.name,
            picture=google_user_info.picture,
        )
    else:
        lg.info(f"Creating new user: {google_user_info.email}")
        self._users[user_id] = UserResponse(
            id=user_id,
            email=google_user_info.email,
            name=google_user_info.name,
            picture=google_user_info.picture,
        )

    return self._users[user_id]

get_user_by_email 

get_user_by_email(email: str) -> UserResponse | None

Get user by email.

Parameters:

  • email (str) –

    User email address.

Returns:

  • UserResponse | None –

    UserResponse if found, None otherwise.

Source code in src/lang_tools/webapp/services/user_service.py 
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def get_user_by_email(self, email: str) -> UserResponse | None:
    """Get user by email.

    Args:
        email: User email address.

    Returns:
        UserResponse if found, None otherwise.
    """
    for user in self._users.values():
        if user.email == email:
            return user
    return None

get_user_by_id 

get_user_by_id(user_id: str) -> UserResponse | None

Get user by ID.

Parameters:

  • user_id (str) –

    User identifier.

Returns:

  • UserResponse | None –

    UserResponse if found, None otherwise.

Source code in src/lang_tools/webapp/services/user_service.py 
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def get_user_by_id(self, user_id: str) -> UserResponse | None:
    """Get user by ID.

    Args:
        user_id: User identifier.

    Returns:
        UserResponse if found, None otherwise.
    """
    return self._users.get(user_id)