Add subcription feature 3

shared/exceptions/__init__.py

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+"""
+Exceptions package for the bakery platform
+"""
+
+# Import all exceptions for easy access
+from .payment_exceptions import *
+from .auth_exceptions import *
+from .registration_exceptions import *

shared/exceptions/auth_exceptions.py

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+"""
+Authentication-related exceptions for the auth system
+"""
+
+class AuthServiceError(Exception):
+    """Base exception for authentication service errors"""
+    pass
+
+class UserCreationError(Exception):
+    """Exception for user creation failures"""
+    pass
+
+class RegistrationError(Exception):
+    """Exception for registration failures"""
+    pass
+
+class PaymentOrchestrationError(Exception):
+    """Exception for payment orchestration failures"""
+    pass
+
+class LoginError(Exception):
+    """Exception for login failures"""
+    pass
+
+class TokenError(Exception):
+    """Exception for token-related errors"""
+    pass
+
+class PermissionError(Exception):
+    """Exception for permission-related errors"""
+    pass
+
+class UserNotFoundError(Exception):
+    """Exception for user not found errors"""
+    pass
+
+class EmailVerificationError(Exception):
+    """Exception for email verification failures"""
+    pass
+
+class PasswordResetError(Exception):
+    """Exception for password reset failures"""
+    pass

shared/exceptions/payment_exceptions.py

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+"""
+Payment-related exceptions for the atomic payment architecture
+"""
+
+class PaymentException(Exception):
+    """Base class for payment-related exceptions"""
+    pass
+
+class PaymentVerificationRequired(PaymentException):
+    """Exception raised when payment verification is required before proceeding"""
+    def __init__(self, message: str = "Payment verification required", setup_intent_id: str = None, client_secret: str = None):
+        self.message = message
+        self.setup_intent_id = setup_intent_id
+        self.client_secret = client_secret
+        super().__init__(message)
+
+class ThreeDSAuthenticationRequired(PaymentException):
+    """Exception raised when 3DS authentication is required"""
+    def __init__(self, setup_intent_id: str, client_secret: str, action_type: str, **kwargs):
+        self.setup_intent_id = setup_intent_id
+        self.client_secret = client_secret
+        self.action_type = action_type
+        self.extra_data = kwargs
+        message = f"3DS authentication required (action: {action_type})"
+        super().__init__(message)
+
+class PaymentMethodInvalid(PaymentException):
+    """Exception raised when payment method is invalid"""
+    def __init__(self, message: str = "Payment method is invalid"):
+        super().__init__(message)
+
+class PaymentFailed(PaymentException):
+    """Exception raised when payment fails"""
+    def __init__(self, message: str = "Payment failed"):
+        super().__init__(message)
+
+class SubscriptionCreationFailed(PaymentException):
+    """Exception raised when subscription creation fails"""
+    def __init__(self, message: str = "Subscription creation failed"):
+        super().__init__(message)
+
+class PaymentProviderError(PaymentException):
+    """Exception raised when there's an error with the payment provider"""
+    def __init__(self, message: str = "Payment provider error"):
+        super().__init__(message)
+
+
+class PaymentVerificationError(PaymentException):
+    """Exception raised when payment verification fails"""
+    def __init__(self, message: str = "Payment verification failed"):
+        super().__init__(message)
+
+
+class SetupIntentError(PaymentException):
+    """Exception raised when SetupIntent operations fail"""
+    def __init__(self, message: str = "SetupIntent operation failed"):
+        super().__init__(message)
+
+class SubscriptionUpdateFailed(PaymentException):
+    """Exception raised when subscription update fails"""
+    def __init__(self, message: str = "Subscription update failed"):
+        super().__init__(message)
+
+
+
+
+class PaymentServiceError(PaymentException):
+    """General payment service error"""
+    def __init__(self, message: str = "Payment service error"):
+        super().__init__(message)

shared/exceptions/registration_exceptions.py

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+"""
+Registration-related exceptions for the atomic registration architecture
+"""
+
+class RegistrationException(Exception):
+    """Base class for registration-related exceptions"""
+    pass
+
+class RegistrationPaymentFailed(RegistrationException):
+    """Exception raised when registration payment fails"""
+    def __init__(self, message: str = "Registration payment failed"):
+        super().__init__(message)
+
+class RegistrationValidationFailed(RegistrationException):
+    """Exception raised when registration validation fails"""
+    def __init__(self, message: str = "Registration validation failed", errors: dict = None):
+        self.errors = errors or {}
+        super().__init__(message)
+
+class UserCreationFailed(RegistrationException):
+    """Exception raised when user creation fails"""
+    def __init__(self, message: str = "User creation failed"):
+        super().__init__(message)
+
+class TenantCreationFailed(RegistrationException):
+    """Exception raised when tenant creation fails"""
+    def __init__(self, message: str = "Tenant creation failed"):
+        super().__init__(message)
+
+class RegistrationFlowInterrupted(RegistrationException):
+    """Exception raised when registration flow is interrupted"""
+    def __init__(self, message: str = "Registration flow interrupted"):
+        super().__init__(message)
+
+class EmailAlreadyRegistered(RegistrationException):
+    """Exception raised when email is already registered"""
+    def __init__(self, message: str = "Email already registered"):
+        super().__init__(message)
+
+class RegistrationStateInvalid(RegistrationException):
+    """Exception raised when registration state is invalid"""
+    def __init__(self, message: str = "Registration state is invalid"):
+        super().__init__(message)
+
+
+class RegistrationStateError(RegistrationException):
+    """Exception raised when registration state operations fail"""
+    def __init__(self, message: str = "Registration state error"):
+        super().__init__(message)
+
+
+class InvalidStateTransitionError(RegistrationException):
+    """Exception raised when an invalid state transition is attempted"""
+    def __init__(self, message: str = "Invalid state transition"):
+        super().__init__(message)

shared/exceptions/subscription_exceptions.py

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+"""
+Subscription-related exceptions
+"""
+
+class SubscriptionException(Exception):
+    """Base class for subscription-related exceptions"""
+    pass
+
+class SubscriptionNotFound(SubscriptionException):
+    """Exception raised when subscription is not found"""
+    def __init__(self, message: str = "Subscription not found"):
+        super().__init__(message)
+
+class SubscriptionAlreadyExists(SubscriptionException):
+    """Exception raised when subscription already exists"""
+    def __init__(self, message: str = "Subscription already exists"):
+        super().__init__(message)
+
+class SubscriptionUpdateFailed(SubscriptionException):
+    """Exception raised when subscription update fails"""
+    def __init__(self, message: str = "Subscription update failed"):
+        super().__init__(message)