74 lines
2.2 KiB
Python
74 lines
2.2 KiB
Python
# app/exceptions/order.py
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"""
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Order management specific exceptions.
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"""
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from typing import Optional
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from .base import (
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ResourceNotFoundException,
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ValidationException,
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BusinessLogicException
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)
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class OrderNotFoundException(ResourceNotFoundException):
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"""Raised when an order is not found."""
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def __init__(self, order_identifier: str):
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super().__init__(
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resource_type="Order",
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identifier=order_identifier,
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message=f"Order '{order_identifier}' not found",
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error_code="ORDER_NOT_FOUND"
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)
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class OrderAlreadyExistsException(ValidationException):
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"""Raised when trying to create a duplicate order."""
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def __init__(self, order_number: str):
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super().__init__(
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message=f"Order with number '{order_number}' already exists",
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error_code="ORDER_ALREADY_EXISTS",
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details={"order_number": order_number}
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)
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class OrderValidationException(ValidationException):
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"""Raised when order data validation fails."""
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def __init__(self, message: str, details: Optional[dict] = None):
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super().__init__(
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message=message,
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error_code="ORDER_VALIDATION_FAILED",
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details=details
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)
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class InvalidOrderStatusException(BusinessLogicException):
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"""Raised when trying to set an invalid order status."""
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def __init__(self, current_status: str, new_status: str):
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super().__init__(
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message=f"Cannot change order status from '{current_status}' to '{new_status}'",
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error_code="INVALID_ORDER_STATUS_CHANGE",
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details={
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"current_status": current_status,
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"new_status": new_status
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}
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)
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class OrderCannotBeCancelledException(BusinessLogicException):
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"""Raised when order cannot be cancelled."""
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def __init__(self, order_number: str, reason: str):
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super().__init__(
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message=f"Order '{order_number}' cannot be cancelled: {reason}",
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error_code="ORDER_CANNOT_BE_CANCELLED",
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details={
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"order_number": order_number,
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"reason": reason
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}
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)
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