public static Video GetVideo(int id)
{
using (var db = new YouTubeUMLEntities())
{
Video video = db.Videos.FirstOrDefault(el => el.Id == id) ?? new NullVideo();
return(video);
}
}
public static bool DislikeVideo(int id)
{
using (var db = new YouTubeUMLEntities())
{
Video video = db.Videos.FirstOrDefault(el => el.Id == id);
video.Dislikes = ++video.Dislikes;
db.SaveChanges();
}
return(true);
}
public static int GetVideoDislikes(int id)
{
using (var db = new YouTubeUMLEntities())
{
Video video = db.Videos.FirstOrDefault(el => el.Id == id);
if (video != null)
{
return((int)video.Dislikes);
}
}
return(0);
}
public static bool AddLog(string action, int uid)
{
using (var db = new YouTubeUMLEntities())
{
var log = new Log();
db.Logs.Add(log);
log.Action = action;
log.UserId = uid;
log.Type = 1;
db.SaveChanges();
}
return(true);
}
public static bool CreateUser(string username, string password, int type)
{
using (var db = new YouTubeUMLEntities())
{
var user = new User();
db.Users.Add(user);
user.UserName = username;
user.Password = password;
user.Type = type;
db.SaveChanges();
}
return(true);
}
public static bool DeleteVideo(int id)
{
using (var db = new YouTubeUMLEntities())
{
Video video = db.Videos.FirstOrDefault(el => el.Id == id);
if (video != null)
{
db.Videos.Remove(video);
db.SaveChanges();
}
}
return(true);
}
public static string GetComments(int vid)
{
var list = new List <Comment>();
string result;
using (var db = new YouTubeUMLEntities())
{
db.Configuration.LazyLoadingEnabled = false;
list = db.Comments.Where(el => el.VideoId == vid).OrderByDescending(x => x.Id).ToList();
result = JsonConvert.SerializeObject(list, Formatting.Indented);
}
return(result);
}
public static bool UploadVideo(string name, int userId, string URL)
{
using (var db = new YouTubeUMLEntities())
{
var video = new Video();
db.Videos.Add(video);
video.Title = name;
video.URL = URL;
video.UploaderId = userId;
db.SaveChanges();
}
return(true);
}
public static bool LoginUser(string username, string password)
{
using (var db = new YouTubeUMLEntities())
{
User user = db.Users.FirstOrDefault(el => el.UserName.Equals(username) && el.Password.Equals(password));
if (user == null)
{
return(false);
}
LogedUser = user;
}
return(true);
}
public static bool CommentVideo(int vid, string msg, int uid)
{
using (var db = new YouTubeUMLEntities())
{
if (db.Videos.FirstOrDefault(el => el.Id == vid) != null)
{
Comment comment = new Comment();
comment.Message = msg;
comment.UserId = uid;
comment.VideoId = vid;
db.Comments.Add(comment);
db.SaveChanges();
}
}
return(true);
}
