public async Task <IActionResult> AddTweet(string tweetContent)
{
if (tweetContent == null)
{
return(RedirectToAction("Index"));
}
string userId = User.FindFirstValue(ClaimTypes.NameIdentifier); // will give the user's userId
ApplicationUser user = await _userManager.Users.Include(u => u.TweetLikes).Include(u => u.Followers).Include(u => u.Following).SingleAsync(u => u.Id == userId);
Tweet newTweet = new Tweet()
{
User = user,
Content = tweetContent
};
_tweetRepository.PostTweet(newTweet);
return(RedirectToAction("Index"));
}