private Person GetUser()
{
var context = new TweetCloneDB();
String userId = Session["userid"] as String;
return(context.People.FirstOrDefault(p => p.UserId.Equals(userId, StringComparison.OrdinalIgnoreCase)));
}
private Person GetUser(TweetCloneDB context)
{
if (context == null)
{
return(null);
}
String userId = Session["userid"] as String;
return(context.People.FirstOrDefault(p => p.UserId.Equals(userId, StringComparison.OrdinalIgnoreCase)));
}
// GET: Tweet Stream home page
public ActionResult Stream()
{
var context = new TweetCloneDB();
var user = GetUser();
var streamModel = new Stream
{
User = user,
Tweets = GetTweets(user)
};
return(View(streamModel));
}
public ActionResult Login(Person login)
{
var context = new TweetCloneDB();
var user = context.People.FirstOrDefault(p => p.UserId.Equals(login.UserId, StringComparison.OrdinalIgnoreCase) && p.Password.Equals(login.Password));
Session["userid"] = string.Empty;
Session["fullname"] = "Not logged in";
if (user != null)
{
Session["userid"] = user.UserId;
Session["fullname"] = user.FullName;
}
return(Json(user != null));
}
public ActionResult Update(string message)
{
if (!string.IsNullOrEmpty(message))
{
var context = new TweetCloneDB();
var user = GetUser(context);
user.Tweets.Add(new Tweet
{
Created = DateTime.Now,
Message = message
});
context.SaveChanges();
}
return(RedirectToAction("RefreshBoard"));
}
public ActionResult Save(Person modifiedProfile)
{
var context = new TweetCloneDB();
try
{
var existingProfile = context.People.FirstOrDefault(p => p.UserId.Equals(modifiedProfile.UserId, StringComparison.OrdinalIgnoreCase));
existingProfile.FullName = modifiedProfile.FullName;
existingProfile.Email = modifiedProfile.Email;
existingProfile.Password = modifiedProfile.Password;
context.SaveChanges();
return(Json(string.Empty));
}
catch (Exception ex)
{
return(Json(ex.Message));
}
}
public ActionResult Delete()
{
try
{
var context = new TweetCloneDB();
String userId = Session["userid"] as String;
var user = context.People.FirstOrDefault(p => p.UserId.Equals(userId, StringComparison.OrdinalIgnoreCase));
context.Tweets.RemoveRange(user.Tweets);
context.Followings.RemoveRange(user.Followers);
context.Followings.RemoveRange(user.Followings);
context.People.Remove(user);
context.SaveChanges();
return(PartialView("RemoveProfileResult"));
}
catch (Exception ex)
{
return(Json(false));
}
}
public ActionResult Follow(string followId)
{
if (!string.IsNullOrEmpty(followId))
{
var context = new TweetCloneDB();
var user = GetUser(context);
var followUser = context.People.FirstOrDefault(p => p.UserId.Equals(followId, StringComparison.OrdinalIgnoreCase));
if (followUser != null)
{
context.Followings.Add(new Following
{
UserId = followId,
FollowingId = user.UserId
});
}
context.SaveChanges();
}
return(RedirectToAction("RefreshInfo"));
}
private List <Tweet> GetTweets(Person user)
{
var context = new TweetCloneDB();
List <Tweet> tweets = new List <Tweet>();
if (user == null)
{
return(tweets);
}
tweets.AddRange(user.Tweets);
foreach (var follow in user.Followings)
{
tweets.AddRange(from tweet in context.Tweets
where tweet.UserId.Equals(follow.UserId, StringComparison.InvariantCultureIgnoreCase)
select tweet
);
}
return(tweets.OrderByDescending(t => t.Created).ToList());
}
public ActionResult Signup(Person signup)
{
var context = new TweetCloneDB();
try
{
var foundUser = context.People.FirstOrDefault(p => p.UserId.Equals(signup.UserId, StringComparison.OrdinalIgnoreCase));
if (foundUser != null)
{
return(Json("User already exist!"));
}
signup.Joined = DateTime.Now;
signup.Active = true;
context.People.Add(signup);
context.SaveChanges();
Session["userid"] = signup.UserId;
Session["fullname"] = signup.FullName;
return(Json(string.Empty));
}
catch (DbEntityValidationException ex)
{
var errors = new StringBuilder();
foreach (var e in ex.EntityValidationErrors)
{
foreach (var err in e.ValidationErrors)
{
errors.AppendFormat("{0}<br>", err.ErrorMessage);
}
}
return(Json(errors.ToString()));
}
catch (Exception ex)
{
return(Json(ex.Message));
}
}
