life-echo/api/app/features/payment/payment_exceptions.py

"""支付模块异常定义（继承 AppError，由全局 handler 统一映射）。"""

from app.core.errors import AppError

_PAYMENT_CODE_MAP: dict[str, tuple[int, str]] = {
    "PAYMENT_CONFIG_ERROR": (502, "PROVIDER_ERROR"),
    "PAYMENT_CREATE_ERROR": (502, "PROVIDER_ERROR"),
    "PAYMENT_NOTIFY_ERROR": (400, "BAD_REQUEST"),
    "PAYMENT_QUERY_ERROR": (502, "PROVIDER_ERROR"),
    "PAYMENT_ERROR": (400, "BAD_REQUEST"),
}


class PaymentError(AppError):
    def __init__(self, message: str = "支付异常", code: str = "PAYMENT_ERROR"):
        status_code, error_code = _PAYMENT_CODE_MAP.get(code, (400, code))
        super().__init__(message, status_code=status_code, error_code=error_code)
        self.code = code


class PaymentConfigError(PaymentError):
    def __init__(self, message: str = "支付配置错误"):
        super().__init__(message=message, code="PAYMENT_CONFIG_ERROR")


class PaymentCreateError(PaymentError):
    def __init__(self, message: str = "创建支付订单失败"):
        super().__init__(message=message, code="PAYMENT_CREATE_ERROR")


class PaymentNotifyError(PaymentError):
    def __init__(self, message: str = "支付回调处理失败"):
        super().__init__(message=message, code="PAYMENT_NOTIFY_ERROR")


class PaymentQueryError(PaymentError):
    def __init__(self, message: str = "查询支付状态失败"):
        super().__init__(message=message, code="PAYMENT_QUERY_ERROR")