42 lines
		
	
	
	
		
			1.4 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			42 lines
		
	
	
	
		
			1.4 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
from models.User.user import User, db
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import logging
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logger = logging.getLogger(__name__)
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class UserService:
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    def create_user(self, username, password):
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        if not username or not password:
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            raise ValueError("Username and password are required")
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        if len(username) < 5 or len(password) < 12:
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            raise ValueError(
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                "Username must be at least 5 characters and password must be at least 12 characters."
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            )
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        existing_user = User.query.filter_by(username=username).first()
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        if existing_user:
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            raise ValueError("User already exists")
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        new_user = User(username=username, password=password)
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        db.session.add(new_user)
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        try:
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            db.session.commit()
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        except Exception as e:
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            db.session.rollback()
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            logger.error(f"Error creating user: {e}")
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            raise ValueError("Could not create user") from e
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        return new_user
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    def verify_user(self, username, password):
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        user = User.query.filter_by(username=username).first()
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        if not user:
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            logger.warning(f"User not found: {username}")
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            raise ValueError("Invalid username or password")
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        if not user.check_password(password):
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            logger.warning(f"Invalid password for user: {username}")
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            raise ValueError("Invalid username or password")
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        logger.info(f"User verified: {username}")
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        return user
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