61 lines
1.4 KiB
Go
61 lines
1.4 KiB
Go
package kernel
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// AppError 是业务层对外公开的结构化错误。
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// Message 必须可安全展示给用户，Cause 仅用于保留内部诊断链路，不得直接写入 HTTP 响应。
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type AppError struct {
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Status int
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Code int
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Reason ErrorReason
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Message string
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Retryable bool
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Cause error
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}
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func (e *AppError) Error() string {
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if e == nil {
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return ""
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}
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return e.Message
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}
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func (e *AppError) Unwrap() error {
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if e == nil {
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return nil
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}
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return e.Cause
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}
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func NewAppError(status int, message string) *AppError {
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return &AppError{Status: status, Code: status, Reason: ReasonForStatus(status), Message: message}
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}
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func WrapAppError(status int, message string, cause error) *AppError {
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err := NewAppError(status, message)
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err.Cause = cause
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return err
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}
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func RateLimited(message string) *AppError {
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return &AppError{Status: CodeTooManyRequests, Code: CodeRateLimited, Reason: ReasonRateLimited, Message: message, Retryable: true}
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}
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func QuotaExceeded(message string) *AppError {
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return &AppError{Status: CodeForbidden, Code: CodeQuotaExceeded, Reason: ReasonQuotaExceeded, Message: message}
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}
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func BadAuthRequest(message string) *AppError {
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return NewAppError(400, message)
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}
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func NotFound(message string) *AppError {
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return NewAppError(404, message)
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}
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func Unauthorized(message string) *AppError {
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return NewAppError(401, message)
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}
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func Forbidden(message string) *AppError {
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return NewAppError(403, message)
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}
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