public async Task <ActionResult> Playlists(PlaylistSummaryViewModel vm, string id)
{
ServicePointManager.DefaultConnectionLimit = 5;
var userId = id;
var access_token = Session["AccessToken"].ToString();
var sh = new SpotifyHelper();
// Create/Update playlist in Spotify
// like /Playlists/Follow
// Does the playlist exist already for this user?
var url4 = String.Format("https://api.spotify.com/v1/users/{0}/playlists", userId);
string result4;
using (mp.Step("POST - Does the DTM Shuffler playlist exist already for this user")) {
result4 = sh.CallSpotifyAPIPassingToken(access_token, url4);
}
var meReponse = JsonConvert.DeserializeObject <PlaylistSummaryViewModel>(result4);
var currentPlaylistID = "";
var shuffler = meReponse.items.FirstOrDefault(x => x.name == "DTM - Shuffler");
if (shuffler != null)
{
currentPlaylistID = shuffler.id;
}
// If not playlist create one
if (currentPlaylistID == "")
{
var url2 = String.Format("https://api.spotify.com/v1/users/{0}/playlists", userId);
string result2;
using (mp.Step("POST - Creating DTM - Shuffler playlist")) {
result2 = sh.CallSpotifyCreatePlaylistPostAPIPassingToken(access_token, url2, "DTM - Shuffler");
}
var playlistReturn = JsonConvert.DeserializeObject <CreatePlaylistReturn>(result2);
currentPlaylistID = playlistReturn.id;
}
// Go through each Checked playlist and add to Shuffler list
var listOfTrackIDs = new List <String>();
foreach (var playlist in vm.items)
{
var ownerId = playlist.owner.id;
var playlistId = playlist.id;
if (playlist.Checked)
{
// Get the details of the playlist ie the tracks
PlaylistTracks result22;
using (mp.Step("POST - Async.. Get details of the playlist ie the tracks.. 50 at a time")) {
result22 = await sh.CallSpotifyAPIPassingTokenPlaylistsAsync(access_token, ownerId, playlistId);
}
// add tracks to list
foreach (var item in result22.items)
{
// catching a track in a playlist with no id
if (item.track != null)
{
listOfTrackIDs.Add(item.track.id);
}
}
}
}
var result3 = await sh.CallSpotifyPutAPIPassingTokenSendTracksAsync(access_token, userId, currentPlaylistID, listOfTrackIDs);
// Get data again as not saved, including Checked status
var vm2 = await GetPlaylistDetailsViewModel(id);
return(View(vm2));
}