public void dgvload()
{
dgv_Songs.DataSource = null;
dgv_Songs.DataSource = songitems;
dgv_Songs.Columns[1].DataPropertyName = "Title";
dgv_Songs.Columns[1].HeaderText = "⮁ " + dgv_Songs.Columns[1].HeaderText;
dgv_Songs.Columns[2].DataPropertyName = "Length";
dgv_Songs.Columns[2].HeaderText = "⮁ " + dgv_Songs.Columns[2].HeaderText;
dgv_Songs.Columns[3].DataPropertyName = "Album_Name";
dgv_Songs.Columns[3].HeaderText = "⮁" + dgv_Songs.Columns[3].HeaderText;
dgv_Songs.Columns[4].DataPropertyName = "Artist_Name";
dgv_Songs.Columns[4].HeaderText = "⮁" + dgv_Songs.Columns[4].HeaderText;
dgv_Songs.Columns[5].DataPropertyName = "CreatedAt";
dgv_Songs.Columns[5].HeaderText = "⮁ " + dgv_Songs.Columns[5].HeaderText;
dgv_Songs.Columns[6].DataPropertyName = "UpdatedAt";
dgv_Songs.Columns[6].HeaderText = "⮁ " + dgv_Songs.Columns[6].HeaderText;
dgv_Songs.Columns[7].DataPropertyName = "Like";
dgv_Songs.Columns[7].HeaderText = "⮁ " + dgv_Songs.Columns[7].HeaderText;
dgv_Songs.Columns[8].DataPropertyName = "Delete";
for (int i = dgv_Songs.Columns.Count - 1; i > 8; i--)
{
dgv_Songs.Columns.RemoveAt(i);
}
for (int i = 0; i < dgv_Songs.Rows.Count; i++)
{
dgv_Songs.Rows[i].Cells[0].Value = "▶ Play";
dgv_Songs.Rows[i].Cells[7].Value = "👍 Like";
}
using (var ctx = new MusicContext())
{
for (int i = 0; i < dgv_Songs.Rows.Count; i++)
{
SongItem sngitm = (SongItem)dgv_Songs.Rows[i].DataBoundItem;
Interaction inter = ctx.Interactions.FirstOrDefault(c => c.User.UserId == Log_In.user.UserId && c.Song.SongId == sngitm.SongId);
if (inter != null && inter.Liked == true)
{
dgv_Songs.Rows[i].Cells[7].Value = "👎 Unlike";
}
}
}
}
private void dgv_Songs_CellContentClick(object sender, DataGridViewCellEventArgs e)
{
if (e.RowIndex > -1)
{
var senderGrid = (DataGridView)sender;
SongItem sngitm = (SongItem)senderGrid.Rows[e.RowIndex].DataBoundItem;;
Song sng = new Song {
SongId = sngitm.SongId, Title = sngitm.Title, Length = sngitm.Length, CreatedAt = sngitm.CreatedAt, UpdatedAt = sngitm.UpdatedAt, Album = sngitm.Al, Artist = sngitm.Ar
};
if (e.ColumnIndex == 0 || e.ColumnIndex == 7)
{
using (var ctx = new MusicContext())
{
if (senderGrid.CurrentCell.Value == "▶ Play")
{
if (ctx.Interactions.FirstOrDefault(c => c.User.UserId == Log_In.user.UserId && c.Song.SongId == sng.SongId) == null)
{
ctx.Interactions.Add(new Interaction {
User = ctx.Users.FirstOrDefault(c => c.UserId == Log_In.user.UserId), Song = ctx.Songs.FirstOrDefault(c => c.SongId == sng.SongId), Liked = false, PlayCount = 1, CreatedAt = DateTime.Now, UpdatedAt = DateTime.Now
});
}
else
{
ctx.Interactions.FirstOrDefault(c => c.User.UserId == Log_In.user.UserId && c.Song.SongId == sng.SongId).PlayCount += 1;
}
for (int i = 0; i < dgv_Songs.Rows.Count; i++)
{
dgv_Songs.Rows[i].Cells[0].Value = "▶ Play";
}
dgv_Songs.CurrentCell.Value = "⏹ Stop";
}
else if (senderGrid.CurrentCell.Value == "⏹ Stop")
{
senderGrid.CurrentCell.Value = "▶ Play";
}
else if (senderGrid.CurrentCell.Value == "👍 Like")
{
if (ctx.Interactions.FirstOrDefault(c => c.User.UserId == Log_In.user.UserId && c.Song.SongId == sng.SongId) == null)
{
ctx.Interactions.Add(new Interaction {
User = ctx.Users.FirstOrDefault(c => c.UserId == Log_In.user.UserId), Song = ctx.Songs.FirstOrDefault(c => c.SongId == sng.SongId), Liked = true, PlayCount = 0, CreatedAt = DateTime.Now, UpdatedAt = DateTime.Now
});
}
else
{
ctx.Interactions.FirstOrDefault(c => c.User.UserId == Log_In.user.UserId && c.Song.SongId == sng.SongId).Liked = true;
}
senderGrid.CurrentCell.Value = "👎 Unlike";
}
else if (senderGrid.CurrentCell.Value == "👎 Unlike")
{
ctx.Interactions.FirstOrDefault(c => c.User.UserId == Log_In.user.UserId && c.Song.SongId == sng.SongId).Liked = false;
senderGrid.CurrentCell.Value = "👍 Like";
}
ctx.SaveChanges();
}
}
else if (e.ColumnIndex == 8)
{
Delete d = new Delete();
switch (d.ShowDialog())
{
case DialogResult.Yes:
SongItem snit = (SongItem)dgv_Songs.Rows[e.RowIndex].DataBoundItem;
using (var ctx = new MusicContext())
{
ctx.Songs.Remove(ctx.Songs.FirstOrDefault(s => s.SongId == snit.SongId));
ctx.SaveChanges();
songs = ctx.Songs.ToList();
songitems = ctx.Songs.Join(ctx.PlaylistSongs, c => c.SongId, x => x.SongId, (c, x) => new { PlaylistId = x.PlaylistId, sngitm = new SongItem {
Like = "", Title = c.Title, Length = c.Length, Album_Name = c.Album.Name, Artist_Name = c.Artist.Name, CreatedAt = c.CreatedAt, UpdatedAt = c.UpdatedAt, Delete = "🗑 Delete", AlbumId = c.Album.AlbumId, SongId = c.SongId, Al = c.Album, Ar = c.Artist, ArtistId = c.Artist.ArtistId
} })
.Join(ctx.Playlists.Where(u => u.User.UserId == Log_In.user.UserId && u.PlaylistId == ((Playlist)cmb_playlists.SelectedItem).PlaylistId), cx => cx.PlaylistId, p => p.PlaylistId, (cx, p) => cx.sngitm).ToList();
}
dgvload();
cmb_Songs.DataSource = null;
cmb_Songs.DataSource = songs;
cmb_Songs.DisplayMember = "Title";
cmb_Songs.ValueMember = "SongId";
break;
case DialogResult.OK:
SongItem snit1 = (SongItem)dgv_Songs.Rows[e.RowIndex].DataBoundItem;
Playlist pl = (Playlist)cmb_playlists.SelectedItem;
using (var ctx = new MusicContext())
{
ctx.PlaylistSongs.Remove(ctx.PlaylistSongs.FirstOrDefault(s => s.SongId == snit1.SongId && s.PlaylistId == pl.PlaylistId));
ctx.SaveChanges();
songitems = ctx.Songs.Join(ctx.PlaylistSongs, c => c.SongId, x => x.SongId, (c, x) => new { PlaylistId = x.PlaylistId, sngitm = new SongItem {
Like = "", Title = c.Title, Length = c.Length, Album_Name = c.Album.Name, Artist_Name = c.Artist.Name, CreatedAt = c.CreatedAt, UpdatedAt = c.UpdatedAt, Delete = "🗑 Delete", AlbumId = c.Album.AlbumId, SongId = c.SongId, Al = c.Album, Ar = c.Artist, ArtistId = c.Artist.ArtistId
} })
.Join(ctx.Playlists.Where(u => u.User.UserId == Log_In.user.UserId && u.PlaylistId == ((Playlist)cmb_playlists.SelectedItem).PlaylistId), cx => cx.PlaylistId, p => p.PlaylistId, (cx, p) => cx.sngitm).ToList();
}
dgvload();
break;
}
}
dgv_Songs.Update();
}
else
{
if (lastcolumn != e.ColumnIndex)
{
ascending = true;
}
switch (e.ColumnIndex)
{
case 7:
if (ascending)
{
songitems.Sort((x, y) => x.Like.CompareTo(y.Like));
ascending = false;
lastcolumn = 7;
}
else
{
songitems.Sort((x, y) => y.Like.CompareTo(x.Like));
ascending = true;
}
break;
case 1:
if (ascending)
{
songitems.Sort((x, y) => x.Title.CompareTo(y.Title));
ascending = false;
lastcolumn = 1;
}
else
{
songitems.Sort((x, y) => y.Title.CompareTo(x.Title));
ascending = true;
}
break;
case 2:
if (ascending)
{
songitems.Sort((x, y) => x.Length.CompareTo(y.Length));
ascending = false;
lastcolumn = 2;
}
else
{
songitems.Sort((x, y) => y.Length.CompareTo(x.Length));
ascending = true;
}
break;
case 3:
if (ascending)
{
songitems.Sort((x, y) => x.Album_Name.CompareTo(y.Album_Name));
ascending = false;
lastcolumn = 3;
}
else
{
songitems.Sort((x, y) => y.Album_Name.CompareTo(x.Album_Name));
ascending = true;
}
break;
case 4:
if (ascending)
{
songitems.Sort((x, y) => x.Artist_Name.CompareTo(y.Artist_Name));
ascending = false;
lastcolumn = 4;
}
else
{
songitems.Sort((x, y) => y.Artist_Name.CompareTo(x.Artist_Name));
ascending = true;
}
break;
case 5:
if (ascending)
{
songitems.Sort((x, y) => x.CreatedAt.CompareTo(y.CreatedAt));
ascending = false;
lastcolumn = 5;
}
else
{
songitems.Sort((x, y) => y.CreatedAt.CompareTo(x.CreatedAt));
ascending = true;
}
break;
case 6:
if (ascending)
{
songitems.Sort((x, y) => x.UpdatedAt.CompareTo(y.UpdatedAt));
ascending = false;
lastcolumn = 6;
}
else
{
songitems.Sort((x, y) => y.UpdatedAt.CompareTo(x.UpdatedAt));
ascending = true;
}
break;
}
dgvload();
}
}
