public async Task <ActionResult> AddFriend(string username)
{
var loggedUser = await GetLoggedUser();
var friendToAdd = await UserFacade.GetUserByUsernameAsync(username);
if (loggedUser == null)
{
RedirectToLogin();
}
if (friendToAdd == null)
{
ModelState.AddModelError("User", "User does not exist!");
return(View());
}
if (!await UserFacade.CanSendFriendshipRequest(loggedUser, friendToAdd))
{
ModelState.AddModelError("User", "Cannot send friendship request to this user!");
return(View());
}
try
{
string url = Request.UrlReferrer.AbsoluteUri;
await UserFacade.SendFriendshipRequest(loggedUser, friendToAdd);
return(Redirect(url));
}
catch (Exception)
{
ModelState.AddModelError("User", "Cannot send friendship request to this user!");
return(View());
}
}