//Удаление плейлиста
private void PlayListDelete_click(object sender, EventArgs e)
{
try
{
using (MusicPlayerEntities db = new MusicPlayerEntities())
{
//Поиск элемента с именем, как выбранное в списке
int plid = 0;
var id = db.DBPlayList.Where(p => p.Name == PlayListList.SelectedItem.ToString());
//получение его id
foreach (var a in id)
{
plid = a.Id;
}
var count = db.DBFiles.Where(p => p.PLId == plid);
DBFiles dbfiles;
foreach (var f in count)
{
dbfiles = db.DBFiles.Where(p => p.PLId == plid).FirstOrDefault();
db.DBFiles.Remove(dbfiles);
}
DBPlayList dbpl = db.DBPlayList.Where(p => p.Name == PlayListList.SelectedItem.ToString()).FirstOrDefault();
db.DBPlayList.Remove(dbpl);
db.SaveChanges();
if (Vars.IsRus)
{
MessageBox.Show("Плейлист успешно удален");
}
else if (!Vars.IsRus)
{
MessageBox.Show("Playlist deleted successfully");
}
}
}
catch { }
GetPlaylists();
}
//Получение плейлистов
private void GetPlaylists()
{
Vars.Playlists.Clear();
PlayListList.Items.Clear();
using (MusicPlayerEntities db = new MusicPlayerEntities())
{
DBPlayList dbplaylist = new DBPlayList();
var songs = db.DBPlayList.Where(p => p.Name != null);
foreach (var a in songs)
{
Vars.Playlists.Add(a.Name);
}
}
foreach (var a in Vars.Playlists)
{
PlayListList.Items.Add(a);
}
}
//Сохранение плейлиста
private void PlayListSave_click(object sender, EventArgs e)
{
using (MusicPlayerEntities db = new MusicPlayerEntities())
{
if (PlayListName.Text.Length <= 55 && PlayListName.Text.Length >= 1)
{
int ii = 0;
var isname = db.DBPlayList.Where(p => p.Name == PlayListName.Text);
foreach (var c in isname)
{
ii++;
}
if (ii != 0)
{
if (Vars.IsRus)
{
MessageBox.Show("Плейлист с таким именем уже есть");
}
else if (!Vars.IsRus)
{
MessageBox.Show("There is already a playlist with the same name");
}
}
else
{
DBPlayList dbplaylist = new DBPlayList();
dbplaylist.Name = PlayListName.Text;
db.DBPlayList.Add(dbplaylist);
db.SaveChanges();
int i = 0;
foreach (string files in Vars.Files)
{
DBFiles dbfiles = new DBFiles();
i++;
var peremennaya = db.DBPlayList.Where(p => p.Name == PlayListName.Text);
foreach (var a in peremennaya)
{
dbfiles.PLId = a.Id;
}
dbfiles.Path = files;
dbfiles.Number = i;
db.DBFiles.Add(dbfiles);
}
db.SaveChanges();
if (Vars.IsRus)
{
MessageBox.Show("Плейлист успешно сохранен");
}
else if (!Vars.IsRus)
{
MessageBox.Show("Playlist saved successfully");
}
}
}
else
{
if (Vars.IsRus)
{
MessageBox.Show("Название плейлиста должно быть от 1 до 55 символов");
}
else if (!Vars.IsRus)
{
MessageBox.Show("Playlist name must be between 1 and 55 characters");
}
}
}
GetPlaylists();
}