public bool UnFollow(FollowDTO followdto)
{
Follow unfollow = DBContext.Follow.Where(ds => ds.Followed_UserID == followdto.UserToFollowID).FirstOrDefault();
DBContext.Follow.Remove(unfollow);
DBContext.SaveChanges();
return(true);
}
public bool AddTags(List <string> tags, Guid tweetid)
{
foreach (string s in tags)
{
Tag newtag = new Tag();
newtag.ID = Guid.NewGuid();
newtag.TweetID = tweetid;
newtag.TagName = s;
dbcontext.Tag.Add(newtag);
dbcontext.SaveChanges();
}
return(true);
}
/// <summary>
/// function to update search count of a particular tweet when it is being searched..
/// </summary>
/// <param name="item"></param>
/// <returns></returns>
public bool updateSearchCount(Tag item)
{
Tag updateTag = DBContext.Tag.Where(dr => dr.ID == item.ID).FirstOrDefault();
if (updateTag.SearchCount == null)
{
updateTag.SearchCount = 1;
}
else
{
updateTag.SearchCount = updateTag.SearchCount + 1;
}
DBContext.SaveChanges();
return(true);
}
public bool LikeTweet(LikeTweetDTO liketweetdto)
{
LikeTweet liketweet1 = DBContext.LikeTweet.Where(ds => ds.UserID == liketweetdto.LoggedInUserID && ds.TweetID == liketweetdto.TweetID).FirstOrDefault();
if (liketweet1 != null)
{
return(false);
}
else
{
LikeTweet liketweet = new LikeTweet();
liketweet.ID = System.Guid.NewGuid();
liketweet.TweetID = liketweetdto.TweetID;
liketweet.UserID = liketweetdto.LoggedInUserID;
DBContext.LikeTweet.Add(liketweet);
DBContext.SaveChanges();
return(true);
}
}
public Guid UpdateTweet(NewTweetDTO updatedTweet)
{
using (glitterEntities DBContext = new glitterEntities())
{
Tweet tweet = DBContext.Tweet.Where(ds => ds.ID == updatedTweet.TweetID).FirstOrDefault();
tweet.Message = updatedTweet.Message;
tweet.CreatedAt = System.DateTime.Now;
DBContext.SaveChanges();
}
return(updatedTweet.TweetID);
}
public bool DeleteTweet(Guid uid, Guid tid)
{
using (glitterEntities DBContext = new glitterEntities())
{
Tweet tweet = DBContext.Tweet.Where(ds => ds.ID == tid && ds.UserID == uid).FirstOrDefault();
if (tweet != null)
{
tagdb.DeleteTag(tweet.ID);
DBContext.Entry(tweet).State = EntityState.Deleted;
DBContext.SaveChanges();
return(true);
}
else
{
return(false);
}
}
}
/// <summary>
/// Db Context dunction to delete all tags of a particular tweet
/// </summary>
/// <param name="tweetId"></param>
/// <returns></returns>
public bool DeleteTag(Guid tweetId)
{
using (glitterEntities DBContext = new glitterEntities())
{
IList <Tag> taglist = DBContext.Tag.Where(dr => dr.TweetID == tweetId).ToList();
if (taglist.Count > 0)
{
foreach (var item in taglist)
{
DBContext.Entry(item).State = EntityState.Deleted;
DBContext.SaveChanges();
}
return(true);
}
else
{
return(false);
}
}
}
