add client and groups member logic

http.go

@@ -117,15 +117,15 @@ func HttpHandleLogin(response http.ResponseWriter, request *http.Request) {
 
 		err := DbSetClientByName(ctx, client)
 		if err != nil {
-			http.Error(response, "bad login", http.StatusUnauthorized)
+			http.Error(response, "bad login1", http.StatusUnauthorized)
 			return
 		}
-		CacheSetClient(client)
+		CacheSaveClient(client)
 	}
 
 	err = bcrypt.CompareHashAndPassword([]byte(client.PasswordHash), []byte(password))
 	if err != nil {
-		http.Error(response, "bad login", http.StatusUnauthorized)
+		http.Error(response, "bad login2", http.StatusUnauthorized)
 		return
 	}
 
@@ -178,7 +178,7 @@ func HttpHandleGroupCreate(response http.ResponseWriter, request *http.Request)
 	if err == nil {
 		client = *cacheClient
 	} else {
-		err = DbSetClientById(ctx, &client)
+		err = DbSetClientByIdWithoutGroups(ctx, &client)
 		if err != nil {
 			http.Error(response, "internal server error", http.StatusInternalServerError)
 			return
@@ -191,6 +191,7 @@ func HttpHandleGroupCreate(response http.ResponseWriter, request *http.Request)
 		OwnerId:   clientId,
 		CreatorId: clientId,
 		Color:     color,
+		Clients:   map[uint32]struct{}{clientId: {}},
 	}
 
 	enableClientColors := request.FormValue("enableClientColors")
@@ -200,14 +201,14 @@ func HttpHandleGroupCreate(response http.ResponseWriter, request *http.Request)
 
 	err = DbSaveGroupWithoutClients(ctx, &group)
 	if err != nil {
-		http.Error(response, "internal server error", http.StatusInternalServerError)
+		http.Error(response, err.Error(), http.StatusInternalServerError)
 		return
 	}
 	groupIdBytes := make([]byte, 4)
 	binary.BigEndian.PutUint32(groupIdBytes, group.Id)
 
 	response.WriteHeader(http.StatusCreated)
-	response.Write([]byte(groupIdBytes))
+	response.Write(groupIdBytes)
 }
 
 func HttpHandleGroupAddClient(response http.ResponseWriter, request *http.Request) {
@@ -236,7 +237,7 @@ func HttpHandleGroupAddClient(response http.ResponseWriter, request *http.Reques
 	if err == nil {
 		group = *groupPtr
 	} else {
-		err = DbSetGroupById(ctx, &group)
+		err = DbSetGroupByIdWithoutClients(ctx, &group)
 		if err != nil {
 			http.Error(response, "no such group", http.StatusUnauthorized)
 			return