/// <summary>
/// ビデオをプレイリストに追加する
/// </summary>
/// <param name="id">ID</param>
/// <returns></returns>
public async Task AddVideoToPlaylist(string id)
{
// 入力の検証
var playlistVm = this;
var videoId = id;
if (playlistVm == null || string.IsNullOrEmpty(videoId))
{
return;
}
// 以下を参考にプレイリストに指定の動画を追加
// https://github.com/youtube/api-samples/blob/master/dotnet/Google.Apis.YouTube.Samples.Playlists/PlaylistUpdates.cs#L94
var factory = new YoutubeServiceFactory();
var service = await factory.Create();
var playlistItem = new PlaylistItem();
playlistItem.Snippet = new PlaylistItemSnippet();
playlistItem.Snippet.PlaylistId = playlistVm.Id;
playlistItem.Snippet.ResourceId = new ResourceId();
playlistItem.Snippet.ResourceId.Kind = "youtube#video";
playlistItem.Snippet.ResourceId.VideoId = videoId;
playlistItem = await service.PlaylistItems.Insert(playlistItem, "snippet").ExecuteAsync();
PlaylistItemViewModels.Add(new PlaylistItemViewModel(playlistItem, this));
}
/// <summary>
/// プレイリストを取得する
/// </summary>
/// <returns></returns>
public async Task GetPlaylist()
{
// Playlistをクリアする
PlaylistViewModels.Clear();
var factory = new YoutubeServiceFactory();
var service = await factory.Create();
var newPlaylist = service.Playlists.List("snippet");
var newPlaylistItem = service.PlaylistItems.List("snippet");
// 100件まで編集可能とする
newPlaylistItem.MaxResults = 100;
// チャンネルIDを指定することでも取得可能
// newPlaylist.ChannelId = "UCpkkP5J-16g3zgfuIihCTrA";
newPlaylist.Mine = true;
var list = await newPlaylist.ExecuteAsync();
foreach (var playlist in list.Items)
{
var playlistVm = new PlaylistViewModel(playlist, this);
PlaylistViewModels.Add(playlistVm);
newPlaylistItem.PlaylistId = playlist.Id;
var item = await newPlaylistItem.ExecuteAsync();
foreach (var playlistItem in item.Items)
{
playlistVm.PlaylistItemViewModels.Add(new PlaylistItemViewModel(playlistItem, playlistVm));
}
}
}
/// <summary>
/// プレイリストを追加する
/// </summary>
/// <returns></returns>
public async Task AddPlaylist()
{
// 入力の検証
if (string.IsNullOrEmpty(AddPlaylistTitle.Value))
{
return;
}
// 入力結果からプレイリストを追加する
var factory = new YoutubeServiceFactory();
var service = await factory.Create();
var newPlaylist = new Playlist();
newPlaylist.Snippet = new PlaylistSnippet();
newPlaylist.Snippet.Title = AddPlaylistTitle.Value;
newPlaylist.Snippet.Description = AddPlaylistDescription.Value;
newPlaylist.Status = new PlaylistStatus();
newPlaylist.Status.PrivacyStatus = "private";
newPlaylist = await service.Playlists.Insert(newPlaylist, "snippet,status").ExecuteAsync();
// 追加後にフォームの値をクリアする
AddPlaylistTitle.Value = string.Empty;
AddPlaylistDescription.Value = string.Empty;
// プレイリスト一覧を更新
await GetPlaylist();
}
/// <summary>
/// プレイリストのアイテムを削除します
/// </summary>
/// <param name="id">ID</param>
internal async void RemovePlaylistItem(string id)
{
var factory = new YoutubeServiceFactory();
var service = await factory.Create();
await service.PlaylistItems.Delete(id).ExecuteAsync();
// VMからも一致するアイテムを削除する
PlaylistItemViewModels.Remove(PlaylistItemViewModels.First(item => item.Id == id));
}
/// <summary>
/// プレイリストを削除する
/// </summary>
/// <param name="id">プレイリストのID</param>
/// <returns></returns>
public async Task DeletePlaylist(string id)
{
// 指定のIDと一致するプレイリストを削除する
var factory = new YoutubeServiceFactory();
var service = await factory.Create();
await service.Playlists.Delete(id).ExecuteAsync();
// プレイリスト一覧を更新
await GetPlaylist();
}
/// <summary>
/// プレイリストのアイテムを追加します
/// </summary>
/// <param name="vm">ViewModel</param>
/// <returns></returns>
internal async void AddPlaylistItem(PlaylistItemViewModel vm)
{
// 以下を参考にプレイリストに指定の動画を追加
// https://github.com/youtube/api-samples/blob/master/dotnet/Google.Apis.YouTube.Samples.Playlists/PlaylistUpdates.cs#L94
var factory = new YoutubeServiceFactory();
var service = await factory.Create();
var playlistItem = new PlaylistItem();
playlistItem.Snippet = new PlaylistItemSnippet();
playlistItem.Snippet.PlaylistId = Playlist.Id;
playlistItem.Snippet.ResourceId = vm.PlaylistItem.Snippet.ResourceId;
playlistItem = await service.PlaylistItems.Insert(playlistItem, "snippet").ExecuteAsync();
PlaylistItemViewModels.Add(new PlaylistItemViewModel(playlistItem, this));
}
/// <summary>
/// 動画を検索する
/// </summary>
/// <returns></returns>
public async Task Search(string param)
{
// 事前にクリアする
MainWindowViewModel.SearchResultViewModel.SearchResultList.Clear();
var factory = new YoutubeServiceFactory();
var service = await factory.Create();
var searchListRequest = service.Search.List("snippet");
searchListRequest.Q = param;
searchListRequest.MaxResults = 50;
var searchListResponse = await searchListRequest.ExecuteAsync();
foreach (var searchResult in searchListResponse.Items)
{
switch (searchResult.Id.Kind)
{
case "youtube#video":
MainWindowViewModel.SearchResultViewModel.SearchResultList.Add(new SearchResultItemViewModel(searchResult.Id.VideoId, searchResult.Snippet.Title, searchResult.Snippet.Description, searchResult.Snippet.Thumbnails.Default__.Url));
break;
}
}
}