public ActionResult LeaveGroup(int Id)
{
var userService = new UserService(myDbContext);
var groupListService = new GroupListService(myDbContext);
var userId = User.Identity.GetUserId();
var user = userService.GetUser(userId);
var groupList = groupListService.getGroupList(Id, user);
groupListService.LeaveGroup(groupList);
return(RedirectToAction("Index"));
}
