public List <Entity.Playlist> ShowMy(string performer)
{
List <Entity.Playlist> result = new List <Entity.Playlist>();
FileStream fs = new FileStream(this.filePath, FileMode.OpenOrCreate);
StreamReader sr = new StreamReader(fs);
try
{
while (!sr.EndOfStream)
{
Entity.Playlist playlist = new Entity.Playlist();
playlist.Id = Convert.ToInt32(sr.ReadLine());
playlist.ParentUserId = Convert.ToInt32(sr.ReadLine());
playlist.Name = sr.ReadLine();
playlist.Description = sr.ReadLine();
playlist.Songs = sr.ReadLine();
playlist.IsPublic = Convert.ToBoolean(sr.ReadLine());
if (playlist.performer == performer)
{
result.Add(playlist);
}
}
}
finally
{
sr.Close();
fs.Close();
}
return(result);
}
private int GetNextId()
{
FileStream fs = new FileStream(this.filePath, FileMode.OpenOrCreate);
StreamReader sr = new StreamReader(fs);
int id = 1;
try
{
while (!sr.EndOfStream)
{
Entity.Playlist playlist = new Entity.Playlist();
playlist.Id = Convert.ToInt32(sr.ReadLine());
playlist.ParentUserId = Convert.ToInt32(sr.ReadLine());
playlist.Name = sr.ReadLine();
playlist.Description = sr.ReadLine();
playlist.Songs = sr.ReadLine();
playlist.IsPublic = Convert.ToBoolean(sr.ReadLine());
if (id <= playlist.Id)
{
id = playlist.Id + 1;
}
}
}
finally
{
sr.Close();
fs.Close();
}
return(id);
}
public Entity.Playlist GetById(int Id)
{
FileStream fs = new FileStream(this.filePath, FileMode.OpenOrCreate);
StreamReader sr = new StreamReader(fs);
try
{
while (!sr.EndOfStream)
{
Entity.Playlist playlist = new Entity.Playlist();
playlist.Id = Convert.ToInt32(sr.ReadLine());
playlist.ParentUserId = Convert.ToInt32(sr.ReadLine());
playlist.Name = sr.ReadLine();
playlist.Description = sr.ReadLine();
playlist.Songs = sr.ReadLine();
playlist.IsPublic = Convert.ToBoolean(sr.ReadLine());
if (playlist.Id == Id)
{
return(playlist);
}
}
}
finally
{
sr.Close();
fs.Close();
}
return(null);
}
public void Save(Entity.Playlist item)
{
if (item.Id > 0)
{
Update(item);
}
else
{
Insert(item);
}
}
private void Update(Entity.Playlist item)
{
string tempFilePath = "temp." + filePath;
FileStream ifs = new FileStream(filePath, FileMode.OpenOrCreate);
StreamReader sr = new StreamReader(ifs);
FileStream ofs = new FileStream(tempFilePath, FileMode.OpenOrCreate);
StreamWriter sw = new StreamWriter(ofs);
try
{
while (!sr.EndOfStream)
{
Entity.Playlist playlist = new Entity.Playlist();
playlist.Id = Convert.ToInt32(sr.ReadLine());
playlist.ParentUserId = Convert.ToInt32(sr.ReadLine());
playlist.Name = sr.ReadLine();
playlist.Description = sr.ReadLine();
playlist.Songs = sr.ReadLine();
playlist.IsPublic = Convert.ToBoolean(sr.ReadLine());
if (playlist.Id != item.Id)
{
sw.WriteLine(playlist.Id);
sw.WriteLine(playlist.ParentUserId);
sw.WriteLine(playlist.Name);
sw.WriteLine(playlist.Description);
sw.WriteLine(playlist.Songs);
sw.WriteLine(playlist.IsPublic);
}
else
{
sw.WriteLine(item.Id);
sw.WriteLine(item.ParentUserId);
sw.WriteLine(item.Name);
sw.WriteLine(item.Description);
sw.WriteLine(item.Songs);
sw.WriteLine(item.IsPublic);
}
}
}
finally
{
sw.Close();
ofs.Close();
sr.Close();
ifs.Close();
}
File.Delete(filePath);
File.Move(tempFilePath, filePath);
}
private void Delete()
{
PlaylistRepository playlistRepository = new PlaylistRepository("playlist.txt");
Console.Clear();
Console.WriteLine("Delete Playlist:");
Console.Write("Playlist Id: ");
int playlistId = Convert.ToInt32(Console.ReadLine());
Entity.Playlist playlist = playlistRepository.GetById(playlistId);
if (playlist == null)
{
Console.WriteLine("Plylist not found!");
}
else
{
playlistRepository.Delete(playlist);
Console.WriteLine("Playlist deleted successfully.");
}
Console.ReadKey(true);
}
private void Insert(Entity.Playlist item)
{
item.Id = GetNextId();
FileStream fs = new FileStream(filePath, FileMode.Append);
StreamWriter sw = new StreamWriter(fs);
try
{
sw.WriteLine(item.Id);
sw.WriteLine(item.ParentUserId);
sw.WriteLine(item.Name);
sw.WriteLine(item.Description);
sw.WriteLine(item.Songs);
sw.WriteLine(item.IsPublic);
}
finally
{
sw.Close();
fs.Close();
}
}
private void Add()
{
Console.Clear();
Entity.Playlist playlist = new Entity.Playlist();
playlist.ParentUserId = AuthenticationService.LoggedUser.Id;
PlaylistRepository playlistRepository = new PlaylistRepository("playlist.txt");
Console.WriteLine("Add new Playlist:");
Console.Write("Name: ");
playlist.Name = Console.ReadLine();
Console.Write("Description: ");
playlist.Description = Console.ReadLine();
Console.Write("Add Song by Song ID :");
int songId = Convert.ToInt32(Console.ReadLine());
SongsRepository songsRepository = new SongsRepository("songs.txt");
Entity.Song song = songsRepository.GetById(songId);
if (song == null)
{
Console.Clear();
Console.WriteLine("Song not found.");
Console.ReadKey(true);
return;
}
playlist.Songs = song.Title + ", " + song.ArtistName + ", " + song.Year + " y.";
Console.Write("IsPublic: ");
playlist.IsPublic = Convert.ToBoolean(Console.ReadLine());
playlistRepository.Save(playlist);
Console.WriteLine("Playlist saved successfully.");
Console.ReadKey(true);
Console.WriteLine("-------------------------------------------");
}
private void View()
{
Console.Clear();
Console.Write("Playlist ID: ");
int playlistId = Convert.ToInt32(Console.ReadLine());
PlaylistRepository playlistRepository = new PlaylistRepository("playlist.txt");
Entity.Playlist playlist = playlistRepository.GetById(playlistId);
int lognat = AuthenticationService.LoggedUser.Id;
if (playlist == null)
{
Console.Clear();
Console.WriteLine("Playlist not found.");
Console.ReadKey(true);
return;
}
if (playlist.IsPublic == true || playlist.ParentUserId == lognat)
{
Console.WriteLine("ID:" + playlist.Id);
Console.WriteLine("Name :" + playlist.Name);
Console.WriteLine("Description :" + playlist.Description);
Console.WriteLine("Songs :" + playlist.Songs);
Console.WriteLine("IsPublic :" + playlist.IsPublic);
Console.WriteLine("------------------------------------");
Console.WriteLine();
}
else
{
Console.WriteLine("This playlist is not public!");
}
Console.ReadKey(true);
}
private void Update()
{
Console.Clear();
Console.Write("Playlist ID: ");
int playlistId = Convert.ToInt32(Console.ReadLine());
PlaylistRepository playlistRepository = new PlaylistRepository("playlist.txt");
Entity.Playlist playlist = playlistRepository.GetById(playlistId);
if (playlist == null)
{
Console.Clear();
Console.WriteLine("Playlist not found.");
Console.ReadKey(true);
return;
}
Console.WriteLine("Editing Playlist (" + playlist.Name + ")");
Console.WriteLine("ID:" + playlist.Id);
Console.WriteLine("Name :" + playlist.Name);
Console.Write("New Name:");
string Name = Console.ReadLine();
Console.WriteLine("Description :" + playlist.Description);
Console.Write("New Description :");
string Description = Console.ReadLine();
Console.WriteLine("IsPublic :" + playlist.IsPublic);
Console.Write("New IsPublic :");
string IsPublic = Console.ReadLine();
Console.WriteLine("Add or Remove songs ?");
string answer = Console.ReadLine();
if (answer.ToLower() == "add")
{
Console.Write("Add Song by Song ID :");
int songId = Convert.ToInt32(Console.ReadLine());
SongsRepository songsRepository = new SongsRepository("songs.txt");
Entity.Song song = songsRepository.GetById(songId);
if (song == null)
{
Console.Clear();
Console.WriteLine("Song not found.");
Console.ReadKey(true);
return;
}
playlist.Songs += " / " + song.Title + ", " + song.ArtistName + ", " + song.Year + " y.";
Console.WriteLine("You add the song : " + song.Title + ", " + song.ArtistName + ", " + song.Year + " y. to your playlist!");
}
else if (answer.ToLower() == "remove")
{
Console.Write("Remove Song by Song Index in Playlist :");
int songId = Convert.ToInt32(Console.ReadLine());
//playlist.Songs;
}
if (!string.IsNullOrEmpty(Name))
{
playlist.Name = Name;
}
if (!string.IsNullOrEmpty(Description))
{
playlist.Description = Description;
}
playlistRepository.Save(playlist);
Console.WriteLine("Playlist saved successfully.");
Console.ReadKey(true);
}
