public static User FindByUserName(this DBEntities DB, string userName)
{
User user = DB.Users.Where(u => u.UserName == userName).FirstOrDefault();
return(user);
}
public static bool AlreadyLike(this DBEntities DB, int postId, int userId)
{
Like like = DB.Likes.Where(l => (l.UserId == userId) && (l.PostId == postId)).FirstOrDefault();
return(like != null);
}
public static bool UserNameExist(this DBEntities DB, string userName)
{
User user = DB.Users.Where(u => u.UserName == userName).FirstOrDefault();
return(user != null);
}