2026-05-19 11:00:28 +00:00
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package errs
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import (
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"fmt"
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"gateway/internal/library/errors/code"
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2026-05-19 13:15:18 +00:00
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2026-05-19 11:00:28 +00:00
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"google.golang.org/grpc/codes"
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"google.golang.org/grpc/status"
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)
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// GRPCCode maps the business category to a standard gRPC status code.
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func (e *Error) GRPCCode() codes.Code {
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if e == nil || e.SubCode() == code.OK {
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return codes.OK
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}
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return grpcCodeForCategory(e.Category())
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}
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// GRPCStatus converts the error to a gRPC status.
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// The business code is embedded in the message as [SSCCCDDD].
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func (e *Error) GRPCStatus() *status.Status {
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if e == nil {
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return status.New(codes.OK, "")
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}
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msg := fmt.Sprintf("[%s] %s", e.DisplayCode(), e.Error())
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if cause := e.Unwrap(); cause != nil {
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msg = fmt.Sprintf("%s: %v", msg, cause)
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}
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return status.New(e.GRPCCode(), msg)
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}
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func grpcCodeForCategory(cat code.Category) codes.Code {
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switch cat {
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case code.InputInvalidFormat, code.InputNotValidImplementation, code.InputInvalidRange,
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code.InputMissingRequired, code.InputUnsupportedMedia,
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code.ResInsufficient, code.ResInvalidMeasureID, code.ResInvalidFormat,
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code.DBDataConvert, code.SvcHTTP400:
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return codes.InvalidArgument
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case code.InputPayloadTooLarge, code.PSuTooLarge:
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return codes.InvalidArgument
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case code.ResNotFound:
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return codes.NotFound
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case code.DBDuplicate, code.ResAlreadyExist, code.ResInvalidState, code.ResMultiOwner:
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return codes.AlreadyExists
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case code.ResPreconditionFailed, code.ResLocked:
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return codes.FailedPrecondition
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case code.AuthUnauthorized, code.AuthExpired, code.AuthInvalidPosixTime, code.AuthSigPayloadMismatch:
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return codes.Unauthenticated
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case code.AuthForbidden, code.ResInsufficientPerm:
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return codes.PermissionDenied
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case code.ResExpired, code.ResMigrated:
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return codes.FailedPrecondition
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case code.SysTooManyRequest, code.ResInsufficientQuota, code.SvcRateLimited:
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return codes.ResourceExhausted
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case code.SysTimeout:
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return codes.DeadlineExceeded
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case code.SysClientTimeout:
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return codes.Canceled
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case code.SysMaintain, code.SvcMaintenance, code.DBUnavailable:
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return codes.Unavailable
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case code.SvcThirdParty, code.PSuPublish, code.PSuConsume:
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return codes.Unavailable
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case code.SysNotImplemented, code.AuthMethodNotAllowed:
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return codes.Unimplemented
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case code.DBError, code.SysInternal, code.SvcInternal:
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return codes.Internal
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case code.CatGRPC:
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return codes.Unknown
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default:
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return codes.Unknown
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}
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}
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