User service: Generate user id if empty (#160)

go.mod

@@ -23,7 +23,7 @@ require (
 	github.com/lib/pq v1.9.0 // indirect
 	github.com/mattheath/base62 v0.0.0-20150408093626-b80cdc656a7a // indirect
 	github.com/mattheath/kala v0.0.0-20171219141654-d6276794bf0e
-	github.com/micro/dev v0.0.0-20201117163752-d3cfc9788dfa
+	github.com/micro/dev v0.0.0-20201117163752-d3cfc9788dfa // indirect
 	github.com/micro/micro/v3 v3.3.1-0.20210611161948-fd9821dd4f52
 	github.com/miekg/dns v1.1.31 // indirect
 	github.com/onsi/ginkgo v1.15.0 // indirect

user/examples.json

@@ -8,7 +8,6 @@
             "password": "mySecretPass123"
         },
         "response": {
-            "id": "1"
         }
     }],
     "read": [{

user/handler/handler.go

@@ -6,6 +6,7 @@ import (
 	"strings"
 	"time"
 
+	"github.com/google/uuid"
 	"github.com/micro/micro/v3/service/errors"
 	db "github.com/micro/services/db/proto"
 	"github.com/micro/services/user/domain"
@@ -54,7 +55,9 @@ func (s *User) Create(ctx context.Context, req *pb.CreateRequest, rsp *pb.Create
 		return errors.InternalServerError("user.Create", err.Error())
 	}
 	pp := base64.StdEncoding.EncodeToString(h)
-
+	if req.Id == "" {
+		req.Id = uuid.New().String()
+	}
 	return s.domain.Create(ctx, &pb.Account{
 		Id:       req.Id,
 		Username: strings.ToLower(req.Username),