53 lines
1.7 KiB
Go
53 lines
1.7 KiB
Go
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package errors
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import "fmt"
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// AppError 是应用错误结构
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type AppError struct {
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Code string // OPS_{CATEGORY}_{CODE}
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HTTPStatus int
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Message string
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Detail map[string]any
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}
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func (e *AppError) Error() string {
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return fmt.Sprintf("[%s] %s", e.Code, e.Message)
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}
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// 预定义错误
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var (
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ErrBadRequest = &AppError{Code: "OPS_GEN_4001", HTTPStatus: 400, Message: "请求参数错误"}
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ErrUnauthorized = &AppError{Code: "OPS_GEN_4002", HTTPStatus: 401, Message: "未授权"}
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ErrForbidden = &AppError{Code: "OPS_GEN_4003", HTTPStatus: 403, Message: "权限不足"}
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ErrNotFound = &AppError{Code: "OPS_GEN_4004", HTTPStatus: 404, Message: "资源不存在"}
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ErrConflict = &AppError{Code: "OPS_GEN_4005", HTTPStatus: 409, Message: "资源冲突"}
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ErrPayloadTooLarge = &AppError{Code: "OPS_GEN_4006", HTTPStatus: 413, Message: "请求体过大"}
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ErrInternal = &AppError{Code: "OPS_GEN_5001", HTTPStatus: 500, Message: "内部服务错误"}
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ErrInvalidMetricName = &AppError{Code: "OPS_MET_4001", HTTPStatus: 400, Message: "指标名称无效"}
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ErrInvalidTimeRange = &AppError{Code: "OPS_MET_4002", HTTPStatus: 400, Message: "时间范围不合法"}
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)
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// WithDetail 为错误添加详细信息
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func (e *AppError) WithDetail(detail map[string]any) *AppError {
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return &AppError{
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Code: e.Code,
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HTTPStatus: e.HTTPStatus,
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Message: e.Message,
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Detail: detail,
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}
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}
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// Wrap 包裹原始错误
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func Wrap(err error, appErr *AppError) *AppError {
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if err == nil {
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return nil
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}
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return &AppError{
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Code: appErr.Code,
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HTTPStatus: appErr.HTTPStatus,
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Message: fmt.Sprintf("%s: %v", appErr.Message, err),
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Detail: appErr.Detail,
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}
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}
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