Implement POST /users/ids endpoint for APIv4 (#5274)

api4/user.go

@@ -16,6 +16,8 @@ func InitUser() {
 	l4g.Debug(utils.T("api.user.init.debug"))
 
 	BaseRoutes.Users.Handle("", ApiHandler(createUser)).Methods("POST")
+	BaseRoutes.Users.Handle("/ids", ApiSessionRequired(getUsersByIds)).Methods("POST")
+
 	BaseRoutes.User.Handle("", ApiSessionRequired(getUser)).Methods("GET")
 	BaseRoutes.User.Handle("", ApiSessionRequired(updateUser)).Methods("PUT")
 	BaseRoutes.User.Handle("/roles", ApiSessionRequired(updateUserRoles)).Methods("PUT")
@@ -84,6 +86,24 @@ func getUser(c *Context, w http.ResponseWriter, r *http.Request) {
 	}
 }
 
+func getUsersByIds(c *Context, w http.ResponseWriter, r *http.Request) {
+	userIds := model.ArrayFromJson(r.Body)
+
+	if len(userIds) == 0 {
+		c.SetInvalidParam("user_ids")
+		return
+	}
+
+	// No permission check required
+
+	if users, err := app.GetUsersByIds(userIds, c.IsSystemAdmin()); err != nil {
+		c.Err = err
+		return
+	} else {
+		w.Write([]byte(model.UserListToJson(users)))
+	}
+}
+
 func updateUser(c *Context, w http.ResponseWriter, r *http.Request) {
 	c.RequireUserId()
 	if c.Err != nil {

api4/user_test.go

@@ -131,6 +131,38 @@ func TestGetUser(t *testing.T) {
 	}
 }
 
+func TestGetUsersByIds(t *testing.T) {
+	th := Setup().InitBasic()
+	Client := th.Client
+
+	users, resp := Client.GetUsersByIds([]string{th.BasicUser.Id})
+	CheckNoError(t, resp)
+
+	if users[0].Id != th.BasicUser.Id {
+		t.Fatal("returned wrong user")
+	}
+	CheckUserSanitization(t, users[0])
+
+	_, resp = Client.GetUsersByIds([]string{})
+	CheckBadRequestStatus(t, resp)
+
+	users, resp = Client.GetUsersByIds([]string{"junk"})
+	CheckNoError(t, resp)
+	if len(users) > 0 {
+		t.Fatal("no users should be returned")
+	}
+
+	users, resp = Client.GetUsersByIds([]string{"junk", th.BasicUser.Id})
+	CheckNoError(t, resp)
+	if len(users) != 1 {
+		t.Fatal("1 user should be returned")
+	}
+
+	Client.Logout()
+	_, resp = Client.GetUsersByIds([]string{th.BasicUser.Id})
+	CheckUnauthorizedStatus(t, resp)
+}
+
 func TestUpdateUser(t *testing.T) {
 	th := Setup().InitBasic().InitSystemAdmin()
 	defer TearDown()