diff options
Diffstat (limited to 'Emby.Server.Implementations/Channels/ChannelManager.cs')
| -rw-r--r-- | Emby.Server.Implementations/Channels/ChannelManager.cs | 71 |
1 files changed, 36 insertions, 35 deletions
diff --git a/Emby.Server.Implementations/Channels/ChannelManager.cs b/Emby.Server.Implementations/Channels/ChannelManager.cs index 26fc1bee4..aa54510a7 100644 --- a/Emby.Server.Implementations/Channels/ChannelManager.cs +++ b/Emby.Server.Implementations/Channels/ChannelManager.cs @@ -1,13 +1,17 @@ +#nullable disable + using System; using System.Collections.Generic; using System.Globalization; using System.IO; using System.Linq; +using System.Text.Json; using System.Threading; using System.Threading.Tasks; using Jellyfin.Data.Entities; using Jellyfin.Data.Enums; using MediaBrowser.Common.Extensions; +using Jellyfin.Extensions.Json; using MediaBrowser.Common.Progress; using MediaBrowser.Controller.Channels; using MediaBrowser.Controller.Configuration; @@ -21,7 +25,6 @@ using MediaBrowser.Model.Dto; using MediaBrowser.Model.Entities; using MediaBrowser.Model.IO; using MediaBrowser.Model.Querying; -using MediaBrowser.Model.Serialization; using Microsoft.Extensions.Caching.Memory; using Microsoft.Extensions.Logging; using Episode = MediaBrowser.Controller.Entities.TV.Episode; @@ -44,10 +47,10 @@ namespace Emby.Server.Implementations.Channels private readonly ILogger<ChannelManager> _logger; private readonly IServerConfigurationManager _config; private readonly IFileSystem _fileSystem; - private readonly IJsonSerializer _jsonSerializer; private readonly IProviderManager _providerManager; private readonly IMemoryCache _memoryCache; private readonly SemaphoreSlim _resourcePool = new SemaphoreSlim(1, 1); + private readonly JsonSerializerOptions _jsonOptions = JsonDefaults.Options; /// <summary> /// Initializes a new instance of the <see cref="ChannelManager"/> class. @@ -59,7 +62,6 @@ namespace Emby.Server.Implementations.Channels /// <param name="config">The server configuration manager.</param> /// <param name="fileSystem">The filesystem.</param> /// <param name="userDataManager">The user data manager.</param> - /// <param name="jsonSerializer">The JSON serializer.</param> /// <param name="providerManager">The provider manager.</param> /// <param name="memoryCache">The memory cache.</param> public ChannelManager( @@ -70,7 +72,6 @@ namespace Emby.Server.Implementations.Channels IServerConfigurationManager config, IFileSystem fileSystem, IUserDataManager userDataManager, - IJsonSerializer jsonSerializer, IProviderManager providerManager, IMemoryCache memoryCache) { @@ -81,7 +82,6 @@ namespace Emby.Server.Implementations.Channels _config = config; _fileSystem = fileSystem; _userDataManager = userDataManager; - _jsonSerializer = jsonSerializer; _providerManager = providerManager; _memoryCache = memoryCache; } @@ -250,21 +250,16 @@ namespace Emby.Server.Implementations.Channels var all = channels; var totalCount = all.Count; - if (query.StartIndex.HasValue) - { - all = all.Skip(query.StartIndex.Value).ToList(); - } - - if (query.Limit.HasValue) + if (query.StartIndex.HasValue || query.Limit.HasValue) { - all = all.Take(query.Limit.Value).ToList(); + int startIndex = query.StartIndex ?? 0; + int count = query.Limit == null ? totalCount - startIndex : Math.Min(query.Limit.Value, totalCount - startIndex); + all = all.GetRange(startIndex, count); } - var returnItems = all.ToArray(); - if (query.RefreshLatestChannelItems) { - foreach (var item in returnItems) + foreach (var item in all) { RefreshLatestChannelItems(GetChannelProvider(item), CancellationToken.None).GetAwaiter().GetResult(); } @@ -272,7 +267,7 @@ namespace Emby.Server.Implementations.Channels return new QueryResult<Channel> { - Items = returnItems, + Items = all, TotalRecordCount = totalCount }; } @@ -342,21 +337,23 @@ namespace Emby.Server.Implementations.Channels return GetChannel(GetInternalChannelId(channel.Name)) ?? GetChannel(channel, CancellationToken.None).Result; } - private List<MediaSourceInfo> GetSavedMediaSources(BaseItem item) + private MediaSourceInfo[] GetSavedMediaSources(BaseItem item) { var path = Path.Combine(item.GetInternalMetadataPath(), "channelmediasourceinfos.json"); try { - return _jsonSerializer.DeserializeFromFile<List<MediaSourceInfo>>(path) ?? new List<MediaSourceInfo>(); + var bytes = File.ReadAllBytes(path); + return JsonSerializer.Deserialize<MediaSourceInfo[]>(bytes, _jsonOptions) + ?? Array.Empty<MediaSourceInfo>(); } catch { - return new List<MediaSourceInfo>(); + return Array.Empty<MediaSourceInfo>(); } } - private void SaveMediaSources(BaseItem item, List<MediaSourceInfo> mediaSources) + private async Task SaveMediaSources(BaseItem item, List<MediaSourceInfo> mediaSources) { var path = Path.Combine(item.GetInternalMetadataPath(), "channelmediasourceinfos.json"); @@ -375,7 +372,8 @@ namespace Emby.Server.Implementations.Channels Directory.CreateDirectory(Path.GetDirectoryName(path)); - _jsonSerializer.SerializeToFile(mediaSources, path); + await using FileStream createStream = File.Create(path); + await JsonSerializer.SerializeAsync(createStream, mediaSources, _jsonOptions).ConfigureAwait(false); } /// <inheritdoc /> @@ -543,20 +541,20 @@ namespace Emby.Server.Implementations.Channels return _libraryManager.GetItemIds( new InternalItemsQuery { - IncludeItemTypes = new[] { typeof(Channel).Name }, + IncludeItemTypes = new[] { nameof(Channel) }, OrderBy = new[] { (ItemSortBy.SortName, SortOrder.Ascending) } - }).Select(i => GetChannelFeatures(i.ToString("N", CultureInfo.InvariantCulture))).ToArray(); + }).Select(i => GetChannelFeatures(i)).ToArray(); } /// <inheritdoc /> - public ChannelFeatures GetChannelFeatures(string id) + public ChannelFeatures GetChannelFeatures(Guid? id) { - if (string.IsNullOrEmpty(id)) + if (!id.HasValue) { throw new ArgumentNullException(nameof(id)); } - var channel = GetChannel(id); + var channel = GetChannel(id.Value); var channelProvider = GetChannelProvider(channel); return GetChannelFeaturesDto(channel, channelProvider, channelProvider.GetChannelFeatures()); @@ -639,7 +637,7 @@ namespace Emby.Server.Implementations.Channels { var channels = GetAllChannels().Where(i => i is ISupportsLatestMedia).ToArray(); - if (query.ChannelIds.Length > 0) + if (query.ChannelIds.Count > 0) { // Avoid implicitly captured closure var ids = query.ChannelIds; @@ -817,7 +815,8 @@ namespace Emby.Server.Implementations.Channels { if (_fileSystem.GetLastWriteTimeUtc(cachePath).Add(cacheLength) > DateTime.UtcNow) { - var cachedResult = _jsonSerializer.DeserializeFromFile<ChannelItemResult>(cachePath); + await using FileStream jsonStream = File.OpenRead(cachePath); + var cachedResult = await JsonSerializer.DeserializeAsync<ChannelItemResult>(jsonStream, _jsonOptions, cancellationToken).ConfigureAwait(false); if (cachedResult != null) { return null; @@ -839,7 +838,8 @@ namespace Emby.Server.Implementations.Channels { if (_fileSystem.GetLastWriteTimeUtc(cachePath).Add(cacheLength) > DateTime.UtcNow) { - var cachedResult = _jsonSerializer.DeserializeFromFile<ChannelItemResult>(cachePath); + await using FileStream jsonStream = File.OpenRead(cachePath); + var cachedResult = await JsonSerializer.DeserializeAsync<ChannelItemResult>(jsonStream, _jsonOptions, cancellationToken).ConfigureAwait(false); if (cachedResult != null) { return null; @@ -870,7 +870,7 @@ namespace Emby.Server.Implementations.Channels throw new InvalidOperationException("Channel returned a null result from GetChannelItems"); } - CacheResponse(result, cachePath); + await CacheResponse(result, cachePath); return result; } @@ -880,17 +880,18 @@ namespace Emby.Server.Implementations.Channels } } - private void CacheResponse(object result, string path) + private async Task CacheResponse(ChannelItemResult result, string path) { try { Directory.CreateDirectory(Path.GetDirectoryName(path)); - _jsonSerializer.SerializeToFile(result, path); + await using FileStream createStream = File.Create(path); + await JsonSerializer.SerializeAsync(createStream, result, _jsonOptions).ConfigureAwait(false); } catch (Exception ex) { - _logger.LogError(ex, "Error writing to channel cache file: {path}", path); + _logger.LogError(ex, "Error writing to channel cache file: {Path}", path); } } @@ -1181,11 +1182,11 @@ namespace Emby.Server.Implementations.Channels { if (enableMediaProbe && !info.IsLiveStream && item.HasPathProtocol) { - SaveMediaSources(item, new List<MediaSourceInfo>()); + await SaveMediaSources(item, new List<MediaSourceInfo>()).ConfigureAwait(false); } else { - SaveMediaSources(item, info.MediaSources); + await SaveMediaSources(item, info.MediaSources).ConfigureAwait(false); } } |