public string Retweet(int id)
{
using (ApplicationDbContext db = new ApplicationDbContext())
{
//find the post
CodePost currPost = db.posts.ToList().Find(x => x.id == id);
if (currPost != null)
{
var manager = new UserManager <ApplicationUser>(new UserStore <ApplicationUser>(new ApplicationDbContext()));
var currentUser = manager.FindById(User.Identity.GetUserId());
//currPost.user_id = currentUser.Id;
currPost.content = "<a href='/Feed/UserPosts?type=" + currPost.user_id + "'> @" + currPost.userName + " </a> has tweeted: " + currPost.content;
currPost.user_id = currentUser.Id;
currPost.userName = currentUser.user;
//add the new post with the new id/name and handle
db.posts.Add(currPost);
db.SaveChanges();
return("success");
}
return("fail");
}
}
public string submitCodePost(string title, string content, string type)
{
using (ApplicationDbContext db = new ApplicationDbContext())
{
CodePost tmp = new CodePost();
content = HttpUtility.JavaScriptStringEncode(content);
var store = new UserStore <ApplicationUser>(db);
var userManager = new UserManager <ApplicationUser>(store);
ApplicationUser user = userManager.FindByNameAsync(User.Identity.Name).Result;
var currentUser = userManager.FindById(User.Identity.GetUserId());
if (title != null && content != null && type != null)
{
tmp.title = title;
tmp.content = content;
tmp.votes = 0;
tmp.user_id = user.Id;
tmp.userName = user.user;
tmp.userImgPath = currentUser.userImgPath;
}
bool result = updateHashTags(tmp);
if (result == false)
{
db.posts.Add(tmp);
}
db.SaveChanges();
return("success");
}
}
public JsonResult Reply(int postId, string commentContent)
{
using (ApplicationDbContext db = new ApplicationDbContext())
{
//find the post
CodePost currPost = db.posts.ToList().Find(x => x.id == postId);
//get current user
var manager = new UserManager <ApplicationUser>(new UserStore <ApplicationUser>(db));
var currentUser = manager.FindById(User.Identity.GetUserId());
if (currPost != null)
{
commentContent = HttpUtility.JavaScriptStringEncode(commentContent);
Comment newComment = new Comment()
{
content = commentContent, user_id = currPost.user_id, userName = currentUser.user, post_id = postId
};
db.postComments.Add(new CommentPost()
{
Post = currPost, Comment = newComment
});
db.SaveChanges();
return(Json(newComment));
}
return(Json("fail"));
}
}
//finds all the hashtags in the post, stores the new ones, updates the existing ones
private bool updateHashTags(CodePost post)
{
bool added = false;
using (ApplicationDbContext db = new ApplicationDbContext())
{
//extracts all the tags
List <string> tags = new List <string>();
var regex = new Regex(@"(?<=#)\w+");
var matches = regex.Matches(post.content);
foreach (Match m in matches)
{
tags.Add(m.ToString());
}
//find and updates, not optimised should try O(1) access for every tag, for now this works
foreach (string postTag in tags)
{
HashTag result = db.tags.ToList().Find(t => t.tag == postTag);
//this is a new tag
if (result == null)
{
HashTag newTag = new HashTag();
newTag.count = 0;
newTag.tag = postTag;
db.posts.Add(post);
db.hashTags.Add(new HashTagPost()
{
Hash = newTag, Post = post
});
added = true;
continue;
}
result.count++;
db.hashTags.Add(new HashTagPost()
{
Hash = result, Post = post
});
db.posts.Add(post);
added = true;
}
db.SaveChanges();
}
return(added);
}
public JsonResult commentsForPost(int postId)
{
using (ApplicationDbContext db = new ApplicationDbContext())
{
CodePost currPost = db.posts.ToList().Find(x => x.id == postId);
if (currPost != null)
{
var comments = db.postComments.Select(comment => comment.CodePostId == postId);
return(Json(comments));
}
return(Json(""));
}
}
public IActionResult VerifyCode([FromBody] CodePost post)
{
CodeResponse response = _sessionManager.VerifySession(post.Token, post.Code);
return(Ok(response));
}
public JsonResult getUserPosts(string orderParam, string type, string count, string hashtag)
{
var manager = new UserManager <ApplicationUser>(new UserStore <ApplicationUser>(new ApplicationDbContext()));
var currentUser = manager.FindById(User.Identity.GetUserId());
if (currentUser.user != null)
{
ViewBag.username = currentUser.user;
}
IEnumerable <CodePost> jsonList = null;
//number of posts for infinite scroll
int cnt = 0;
if (!String.IsNullOrEmpty(count))
{
cnt = Int32.Parse(count);
}
using (ApplicationDbContext db = new ApplicationDbContext())
{
if (!String.IsNullOrEmpty(hashtag)) //all posts with that hashtag
{
jsonList = db.hashTags.
Where(t => t.Hash.tag == (hashtag)).
Select(t => t.Post).
ToList();
}
else if (type != null) //all posts from that user
{
//this means ge the current user profile
if (type == "")
{
type = currentUser.Id;
}
jsonList = from code in db.posts.ToList()
where code.user_id == type
select code;
}
else //all posts of current users
{
jsonList = getFollowedPosts(currentUser);
}
}
var postArr = jsonList.Reverse().ToArray();
//if no post found return empty
if (postArr.Length == 0)
{
return(Json(""));
}
List <ProfilePostsViewModel> profileList = new List <ProfilePostsViewModel>();
int increment = cnt;
if (!String.IsNullOrEmpty(orderParam))
{
cnt = 0;
increment = postArr.Length;
}
for (int i = cnt; i < postArr.Length; ++i)
{
if (i < increment + 5)
{
ProfilePostsViewModel tmp = new ProfilePostsViewModel();
CodePost post = postArr[i];
tmp.id = post.id;
tmp.title = post.title;
tmp.content = post.content;
tmp.like = post.like;
tmp.hate = post.hate;
tmp.userName = post.userName;
tmp.userImgPath = post.userImgPath;
tmp.date = post.date;
//uzmemo iz baze votova da li je korisnik na ovom postu lupio like/hate i saljemo ka klijentu
using (ApplicationDbContext db = new ApplicationDbContext())
{
var liked = (db.votes.ToList().Find(v => v.CodePostId == post.id && v.UserId == currentUser.Id && v.Type == 0));
var hated = (db.votes.ToList().Find(v => v.CodePostId == post.id && v.UserId == currentUser.Id && v.Type == 1));
tmp.liked = (liked != null) ? "You liked this" : "Like";
tmp.hated = (hated != null) ? "You hate this" : "Hate";
//IEnumerable<CommentPost> commentPost
tmp.commentList = from c in db.comments.ToList()
where c.post_id == post.id
select c;
profileList.Add(tmp);
}
}
}
//Post sorting by date and user name
if (!String.IsNullOrEmpty(orderParam))
{
orderPosts(orderParam, ref profileList);
}
return(Json(profileList));
}
