public IActionResult ViewTopic([FromRoute] string username, [FromRoute] int id)
{
var user = userService.FindUserUsername(username);
var topic = topicService.FindTopicByID(id);
var modelView = new UserTopicPosts();
modelView.User = user;
modelView.Topic = topic;
modelView.Posts = topicService.GetAllPosts();
return(View(modelView));
}
