grpc to fiber err (#38)

grpc_utils.go

@@ -0,0 +1,31 @@
+package shared
+
+import (
+ "github.com/gofiber/fiber/v2"
+ "github.com/pkg/errors"
+ "google.golang.org/grpc/codes"
+ "google.golang.org/grpc/status"
+)
+
+// GrpcErrorToFiber useful anywhere calling a grpc underlying service and wanting to augment the error for fiber from grpc status codes
+// meant to play nicely with the ErrorHandler in api.go that this would hand off errors to.
+// msgAppend appends to error string, to eg. help if this gets logged
+func GrpcErrorToFiber(err error, msgAppend string) error {
+ if err == nil {
+ return nil
+ }
+ // pull out grpc error status to then convert to fiber http equivalent
+ errStatus, _ := status.FromError(err)
+
+ switch errStatus.Code() {
+ case codes.InvalidArgument:
+ return fiber.NewError(fiber.StatusBadRequest, errStatus.Message()+". "+msgAppend)
+ case codes.NotFound:
+ return fiber.NewError(fiber.StatusNotFound, errStatus.Message()+". "+msgAppend)
+ case codes.Aborted:
+ return fiber.NewError(fiber.StatusConflict, errStatus.Message()+". "+msgAppend)
+ case codes.Internal:
+ return fiber.NewError(fiber.StatusInternalServerError, errStatus.Message()+". "+msgAppend)
+ }
+ return errors.Wrap(err, msgAppend)
+}