private static async Task <List <LegacyLocalMylist> > LoadLegacyLocalMylistGroups()
{
try
{
var folder = await GetPlaylistsSaveFolder();
if (folder == null)
{
return(new List <LegacyLocalMylist>());
}
var files = await folder.GetFilesAsync();
// 読み込み
List <LegacyLocalMylist> loadedItem = new List <LegacyLocalMylist>();
foreach (var file in files)
{
var playlistFileAccessor = new FolderBasedFileAccessor <LegacyLocalMylist>(folder, file.Name);
var playlist = await playlistFileAccessor.Load();
if (playlist != null)
{
loadedItem.Add(playlist);
}
}
loadedItem.Sort((x, y) => x.SortIndex - y.SortIndex);
return(loadedItem);
}
catch
{
return(new List <LegacyLocalMylist>());
}
}
protected override Task OnInitializeAsync(CancellationToken token)
{
Debug.Write($"キャッシュ情報のリストアを開始");
return(HohoemaApp.UIDispatcher.RunIdleAsync(async(_) =>
{
using (var releaser = await _CacheRequestProcessingLock.LockAsync())
{
// ダウンロード中のアイテムをリストア
await RestoreBackgroundDownloadTask();
// キャッシュ完了したアイテムをキャッシュフォルダから検索
await RetrieveCacheCompletedVideos();
// キャッシュリクエストファイルのアクセサーを初期化
var videoSaveFolder = await _HohoemaApp.GetApplicationLocalDataFolder();
_CacheRequestedItemsFileAccessor = new FolderBasedFileAccessor <IList <NicoVideoCacheRequest> >(videoSaveFolder, CACHE_REQUESTED_FILENAME);
}
// ダウンロード待機中のアイテムを復元
await RestoreCacheRequestedItems();
State = CacheManagerState.Running;
})
.AsTask());
}
/// <summary>
/// 0.11.x以前のフィード情報をLiteDbへと移行します
/// </summary>
/// <param name="files"></param>
/// <returns></returns>
public async Task MigrateBefore_0_11()
{
var feedGroupFolder = await GetFeedGroupFolder();
if (feedGroupFolder == null)
{
return;
}
var files = await feedGroupFolder.GetFilesAsync();
foreach (var file in files)
{
if (file.FileType == ".json")
{
var fileName = file.Name;
try
{
var fileAccessor = new FolderBasedFileAccessor <FeedGroup2>(feedGroupFolder, fileName);
var item = await fileAccessor.Load(FeedGroupSerializerSettings);
if (item != null)
{
var newDbFeedGroup = new Database.Feed(item.Label);
if (item.FeedSourceList != null)
{
foreach (var source in item.FeedSourceList)
{
newDbFeedGroup.AddSource(new Database.Bookmark()
{
Label = source.Name,
Content = source.Id,
BookmarkType = FollowItemTypeConvertToFeedSourceType(source.FollowItemType)
});
}
}
Database.FeedDb.AddOrUpdate(newDbFeedGroup);
Debug.WriteLine($"FeedManager: [Sucesss] load {item.Label}");
continue;
}
else
{
Debug.WriteLine($"FeedManager: [?] .json but not FeedGroup file < {fileName}");
}
}
catch
{
Debug.WriteLine($"FeedManager: [Failed] load {file.Path}");
}
}
}
await feedGroupFolder.DeleteAsync(StorageDeleteOption.PermanentDelete);
}
public LocalMylist CreatePlaylist(string id, string name)
{
var sortIndex = _Playlists.Count > 0 ? _Playlists.Max(x => x.SortIndex) + 1 : 0;
var playlist = new LocalMylist(id, name)
{
HohoemaPlaylist = this,
SortIndex = sortIndex
};
var playlistFileAccessor = new FolderBasedFileAccessor <LocalMylist>(PlaylistsSaveFolder, playlist.Label + ".json");
_PlaylistFileAccessorMap.Add(playlist.Id, playlistFileAccessor);
_Playlists.Add(playlist);
Save(playlist).ConfigureAwait(false);
return(playlist);
}
public async Task Load()
{
var files = await HohoemaApp.GetSyncRoamingData(PlaylistsSaveFolder);
// 古いデータを解放
foreach (var playlist in _Playlists)
{
playlist.Dispose();
}
_PlaylistFileAccessorMap.Clear();
_Playlists.Clear();
// 読み込み
List <LocalMylist> loadedItem = new List <LocalMylist>();
foreach (var file in files)
{
var playlistFileAccessor = new FolderBasedFileAccessor <LocalMylist>(PlaylistsSaveFolder, file.Name);
var playlist = await playlistFileAccessor.Load();
if (playlist == null || playlist.Id == WatchAfterPlaylistId)
{
await playlistFileAccessor.Delete();
continue;
}
if (playlist != null)
{
playlist.HohoemaPlaylist = this;
// 重複登録されている場合、ファイルの日付が古いほうを削除
// （本来はリネームのミスがないようにするべき）
if (_PlaylistFileAccessorMap.ContainsKey(playlist.Id))
{
var prevFileAccessor = _PlaylistFileAccessorMap[playlist.Id];
var prevFile = await prevFileAccessor.TryGetFile();
var prevFileProp = await prevFile.GetBasicPropertiesAsync();
var fileProp = await file.GetBasicPropertiesAsync();
if (prevFileProp.DateModified < fileProp.DateModified)
{
await prevFileAccessor.Delete(StorageDeleteOption.PermanentDelete);
_PlaylistFileAccessorMap.Remove(playlist.Id);
_PlaylistFileAccessorMap.Add(playlist.Id, playlistFileAccessor);
loadedItem.Add(playlist);
}
else
{
await HohoemaApp.RoamingDataRemoved(file);
await file.DeleteAsync();
}
}
else
{
_PlaylistFileAccessorMap.Add(playlist.Id, playlistFileAccessor);
loadedItem.Add(playlist);
}
}
}
loadedItem.Sort((x, y) => x.SortIndex - y.SortIndex);
foreach (var sortedPlaylist in loadedItem)
{
_Playlists.Add(sortedPlaylist);
}
}