refactor: unify all service error codes

all/internal/server/response.go

@@ -0,0 +1,78 @@
+package server
+
+import (
+	"time"
+
+	"git.apinb.com/bsm-sdk/core/errcode"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
+)
+
+type errorResponse struct {
+	Code    int32  `json:"code"`
+	Message string `json:"message"`
+	Details any    `json:"details"`
+	Timeseq int64  `json:"timeseq"`
+}
+
+func sdkError(err error) error {
+	code := status.Code(err)
+	// SDK business errors already use custom codes and must pass through.
+	if code > codes.Unauthenticated {
+		return err
+	}
+	message := status.Convert(err).Message()
+	var target error
+	switch code {
+	case codes.Canceled:
+		target = errcode.ErrCanceled
+	case codes.InvalidArgument:
+		target = errcode.ErrInvalidArgument
+	case codes.DeadlineExceeded:
+		target = errcode.ErrDeadlineExceeded
+	case codes.NotFound:
+		target = errcode.ErrRecordNotFound
+	case codes.AlreadyExists:
+		target = errcode.ErrAlreadyExists
+	case codes.PermissionDenied:
+		target = errcode.ErrPermissionDenied
+	case codes.ResourceExhausted:
+		target = errcode.ErrResourceExhausted
+	case codes.FailedPrecondition:
+		target = errcode.ErrFailedPrecondition
+	case codes.Aborted:
+		target = errcode.ErrAborted
+	case codes.OutOfRange:
+		target = errcode.ErrOutOfRange
+	case codes.Unimplemented:
+		target = errcode.ErrUnimplemented
+	case codes.Unavailable:
+		target = errcode.ErrUnavailable
+	case codes.DataLoss:
+		target = errcode.ErrDataLoss
+	case codes.Unauthenticated:
+		target = errcode.ErrUnauthenticated
+	case codes.Internal:
+		target = errcode.ErrInternal
+	default:
+		target = errcode.ErrUnknown
+	}
+	if message == "" || message == status.Convert(target).Message() {
+		return target
+	}
+	return errcode.String(target, message)
+}
+
+func newErrorResponse(err error) errorResponse {
+	response := errorResponse{
+		Code:    500,
+		Message: err.Error(),
+		Details: "",
+		Timeseq: time.Now().UnixMilli(),
+	}
+	if grpcStatus, ok := status.FromError(err); ok {
+		response.Code = int32(grpcStatus.Code())
+		response.Message = grpcStatus.Message()
+	}
+	return response
+}