135 lines
4.2 KiB
Python
135 lines
4.2 KiB
Python
# app/services/auth_service.py
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"""Summary description ....
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This module provides classes and functions for:
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- ....
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- ....
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- ....
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"""
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import logging
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from typing import Any, Dict, Optional
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from fastapi import HTTPException
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from sqlalchemy.orm import Session
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from middleware.auth import AuthManager
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from models.api_models import UserLogin, UserRegister
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from models.database_models import User
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logger = logging.getLogger(__name__)
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class AuthService:
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"""Service class for authentication operations following the application's service pattern."""
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def __init__(self):
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"""Class constructor."""
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self.auth_manager = AuthManager()
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def register_user(self, db: Session, user_data: UserRegister) -> User:
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"""
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Register a new user.
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Args:
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db: Database session
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user_data: User registration data
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Returns:
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Created user object
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Raises:
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HTTPException: If email or username already exists
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"""
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# Check if email already exists
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existing_email = db.query(User).filter(User.email == user_data.email).first()
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if existing_email:
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raise HTTPException(status_code=400, detail="Email already registered")
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# Check if username already exists
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existing_username = (
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db.query(User).filter(User.username == user_data.username).first()
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)
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if existing_username:
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raise HTTPException(status_code=400, detail="Username already taken")
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# Hash password and create user
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hashed_password = self.auth_manager.hash_password(user_data.password)
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new_user = User(
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email=user_data.email,
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username=user_data.username,
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hashed_password=hashed_password,
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role="user",
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is_active=True,
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)
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db.add(new_user)
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db.commit()
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db.refresh(new_user)
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logger.info(f"New user registered: {new_user.username}")
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return new_user
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def login_user(self, db: Session, user_credentials: UserLogin) -> Dict[str, Any]:
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"""
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Login user and return JWT token with user data.
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Args:
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db: Database session
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user_credentials: User login credentials
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Returns:
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Dictionary containing access token data and user object
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Raises:
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HTTPException: If authentication fails
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"""
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user = self.auth_manager.authenticate_user(
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db, user_credentials.username, user_credentials.password
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)
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if not user:
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raise HTTPException(
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status_code=401, detail="Incorrect username or password"
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)
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# Create access token
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token_data = self.auth_manager.create_access_token(user)
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logger.info(f"User logged in: {user.username}")
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return {"token_data": token_data, "user": user}
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def get_user_by_email(self, db: Session, email: str) -> Optional[User]:
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"""Get user by email."""
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return db.query(User).filter(User.email == email).first()
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def get_user_by_username(self, db: Session, username: str) -> Optional[User]:
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"""Get user by username."""
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return db.query(User).filter(User.username == username).first()
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def email_exists(self, db: Session, email: str) -> bool:
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"""Check if email already exists."""
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return db.query(User).filter(User.email == email).first() is not None
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def username_exists(self, db: Session, username: str) -> bool:
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"""Check if username already exists."""
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return db.query(User).filter(User.username == username).first() is not None
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def authenticate_user(
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self, db: Session, username: str, password: str
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) -> Optional[User]:
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"""Authenticate user with username/password."""
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return self.auth_manager.authenticate_user(db, username, password)
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def create_access_token(self, user: User) -> Dict[str, Any]:
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"""Create access token for user."""
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return self.auth_manager.create_access_token(user)
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def hash_password(self, password: str) -> str:
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"""Hash password."""
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return self.auth_manager.hash_password(password)
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# Create service instance following the same pattern as admin_service
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auth_service = AuthService()
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