protected void btnSubmit_Click(object sender, EventArgs e)
{
var currentUser = _authenticationService.GetAuthenticatedUser();
var description = Server.HtmlEncode(txtDescription.Text);
description = txtDescription.Text;
var topic = new DiscussionForum.Domain.DomainModel.Topic(currentUser.Id, int.Parse(ddlCategories.SelectedItem.Value), txtTitle.Text, description);
int topicId = _topicService.CreateTopic(topic);
if (topicId == -1)
{
error.InnerText = "A topic with this title already exists, please check it out, and rename your topic if necessary.";
}
else
{
var topicFollower = new TopicFollower(topicId, currentUser.Id);
_topicService.FollowTopic(topicFollower);
var category = _categoryService.GetCategoryById(topic.CategoryID);
string message = $@"<strong>{currentUser.FullName}</strong> created new topic <a href='/topic/{topic.ID}'>{topic.Title}</a> in category <a href='/category/'{category.ID}'>{category.Name}</a>.";
var followers = _categoryService.GetFollowers(category.ID);
foreach (var follower in followers)
{
Notification notification = new Notification(follower.FollowerID, message, DateTime.Now);
_notificationService.CreateNotification(notification);
}
Response.RedirectToRoute("TopicRoute", new { id = topicId });
}
}
public void FollowTopic(TopicFollower topicFollower)
{
string query = @"INSERT INTO TopicFollowers (TopicID, FollowerID)
values(@TopicID, @FollowerID)";
_connection.Execute(query, new { topicFollower.TopicID, topicFollower.FollowerID });
}
public void UnfollowTopic(TopicFollower topicFollower)
{
string query = @"DELETE FROM TopicFollowers
WHERE TopicID = @TopicID
AND FollowerID = @FollowerID";
_connection.Execute(query, new { topicFollower.TopicID, topicFollower.FollowerID });
}
protected void btnUnfollow_Click(object sender, EventArgs e)
{
var currentUser = _authenticationService.GetAuthenticatedUser();
int topicID = Convert.ToInt32(Page.RouteData.Values["id"]);
if (currentUser == null)
{
redirectToLogin(Request.RawUrl);
}
var topicFollower = new TopicFollower(topicID, currentUser.Id);
_topicService.UnfollowTopic(topicFollower);
btnUnfollow.Style.Add("display", "none");
btnFollow.Style.Add("display", "inline-block");
var num = int.Parse(Followers.InnerText);
Followers.InnerText = (num - 1).ToString();
}
