private void button2_Click(object sender, EventArgs e)
{
if (selectedPlaylist != null)
{
int rowIndex = DGVPlaylist.CurrentCell.RowIndex;
if (rowIndex < 0)
{
return;
}
if (DGVPlaylist.Rows[rowIndex].Tag is Playlist playlist)
{
if (MessageBox.Show($"Are you sure want to delete this playlist {playlist.Name}?",
"Message", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
{
DGVPlaylist.Rows.RemoveAt(rowIndex);
if (playlist.PlaylistTracks != null)
{
foreach (var playlistTrack in playlist.PlaylistTracks)
{
Db.Remove(playlistTrack);
}
}
Db.Playlists?.Remove(playlist);
Db.SaveChanges();
txtPlaylistName.Clear();
MessageBox.Show($"{playlist.Name} was deleted successfully!", "Info:",
MessageBoxButtons.OK,
MessageBoxIcon.Information);
}
}
}
}
private void btnAddTracks_Click(object sender, EventArgs e)
{
if (selectedPlaylist != null)
{
var newPlaylistTrack = new PlaylistTrack()
{
PlaylistId = selectedPlaylist.PlaylistId,
TrackId = comboBoxTracklist.SelectedIndex + 1
};
var checkingExistingTracks = db.PlaylistTracks.Where(pt =>
pt.PlaylistId == selectedPlaylist.PlaylistId && pt.TrackId == comboBoxTracklist.SelectedIndex + 1);
if (checkingExistingTracks.ToArray().Length > 0)
{
MessageBox.Show("Track already exists!", "Error:", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
db.PlaylistTracks.Add(newPlaylistTrack);
comboBoxTracklist.SelectedIndex = 0;
db.SaveChanges();
LoadPlaylistTracks();
}
}
private void btnAdd_Click(object sender, EventArgs e)
{
if (selectedPlaylist != null)
{
trackList = db.Tracks.ToList();
var newPlaylistTrack = new PlaylistTrack()
{
PlaylistId = selectedPlaylist.PlaylistId,
TrackId = checkedListBoxTracks.SelectedIndex
};
var result = db.PlaylistTracks.Where(pt =>
pt.PlaylistId == selectedPlaylist.PlaylistId && pt.TrackId == checkedListBoxTracks.SelectedIndex);
if (result.ToArray().Length > 0)
{
MessageBox.Show("Track already exists!");
return;
}
db.PlaylistTracks.Add(newPlaylistTrack);
db.SaveChanges();
}
}
