aboutsummaryrefslogtreecommitdiff
path: root/Emby.Server.Implementations/Sync/TargetDataProvider.cs
diff options
context:
space:
mode:
authorLuke Pulverenti <luke.pulverenti@gmail.com>2017-02-23 14:13:07 -0500
committerLuke Pulverenti <luke.pulverenti@gmail.com>2017-02-23 14:13:07 -0500
commite391ee1b1724c44c3a12bca24f3dff9389de4b8b (patch)
treea8174e5dd1adaa876f32b00495becbd1a9246924 /Emby.Server.Implementations/Sync/TargetDataProvider.cs
parent34171a7507d393d2afbe0f4dd2719f9067441e8a (diff)
update components
Diffstat (limited to 'Emby.Server.Implementations/Sync/TargetDataProvider.cs')
-rw-r--r--Emby.Server.Implementations/Sync/TargetDataProvider.cs208
1 files changed, 0 insertions, 208 deletions
diff --git a/Emby.Server.Implementations/Sync/TargetDataProvider.cs b/Emby.Server.Implementations/Sync/TargetDataProvider.cs
deleted file mode 100644
index cac8f0cd8..000000000
--- a/Emby.Server.Implementations/Sync/TargetDataProvider.cs
+++ /dev/null
@@ -1,208 +0,0 @@
-using MediaBrowser.Common.Configuration;
-using MediaBrowser.Controller;
-using MediaBrowser.Controller.Sync;
-using MediaBrowser.Model.Logging;
-using MediaBrowser.Model.Serialization;
-using MediaBrowser.Model.Sync;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Threading;
-using System.Threading.Tasks;
-using MediaBrowser.Model.IO;
-
-namespace Emby.Server.Implementations.Sync
-{
- public class TargetDataProvider : ISyncDataProvider
- {
- private readonly SyncTarget _target;
- private readonly IServerSyncProvider _provider;
-
- private readonly SemaphoreSlim _dataLock = new SemaphoreSlim(1, 1);
- private readonly SemaphoreSlim _remoteDataLock = new SemaphoreSlim(1, 1);
- private List<LocalItem> _items;
-
- private readonly ILogger _logger;
- private readonly IJsonSerializer _json;
- private readonly IFileSystem _fileSystem;
- private readonly IApplicationPaths _appPaths;
- private readonly IServerApplicationHost _appHost;
- private readonly IMemoryStreamFactory _memoryStreamProvider;
-
- public TargetDataProvider(IServerSyncProvider provider, SyncTarget target, IServerApplicationHost appHost, ILogger logger, IJsonSerializer json, IFileSystem fileSystem, IApplicationPaths appPaths, IMemoryStreamFactory memoryStreamProvider)
- {
- _logger = logger;
- _json = json;
- _provider = provider;
- _target = target;
- _fileSystem = fileSystem;
- _appPaths = appPaths;
- _memoryStreamProvider = memoryStreamProvider;
- _appHost = appHost;
- }
-
- private string[] GetRemotePath()
- {
- var parts = new List<string>
- {
- _appHost.FriendlyName,
- "data.json"
- };
-
- parts = parts.Select(i => GetValidFilename(_provider, i)).ToList();
-
- return parts.ToArray();
- }
-
- private string GetValidFilename(IServerSyncProvider provider, string filename)
- {
- // We can always add this method to the sync provider if it's really needed
- return _fileSystem.GetValidFilename(filename);
- }
-
- private async Task<List<LocalItem>> RetrieveItems(CancellationToken cancellationToken)
- {
- _logger.Debug("Getting {0} from {1}", string.Join(MediaSync.PathSeparatorString, GetRemotePath().ToArray()), _provider.Name);
-
- await _remoteDataLock.WaitAsync(cancellationToken).ConfigureAwait(false);
-
- try
- {
- var fileResult = await _provider.GetFiles(GetRemotePath().ToArray(), _target, cancellationToken).ConfigureAwait(false);
-
- if (fileResult.Items.Length > 0)
- {
- using (var stream = await _provider.GetFile(fileResult.Items[0].FullName, _target, new Progress<double>(), cancellationToken))
- {
- return _json.DeserializeFromStream<List<LocalItem>>(stream);
- }
- }
- }
- finally
- {
- _remoteDataLock.Release();
- }
-
- return new List<LocalItem>();
- }
-
- private async Task EnsureData(CancellationToken cancellationToken)
- {
- if (_items == null)
- {
- _items = await RetrieveItems(cancellationToken).ConfigureAwait(false);
- }
- }
-
- private async Task SaveData(List<LocalItem> items, CancellationToken cancellationToken)
- {
- using (var stream = _memoryStreamProvider.CreateNew())
- {
- _json.SerializeToStream(items, stream);
-
- // Save to sync provider
- stream.Position = 0;
- var remotePath = GetRemotePath();
-
- await _remoteDataLock.WaitAsync(cancellationToken).ConfigureAwait(false);
-
- try
- {
- _logger.Debug("Saving data.json to {0}. Remote path: {1}", _provider.Name, string.Join("/", remotePath));
-
- await _provider.SendFile(stream, remotePath, _target, new Progress<double>(), cancellationToken).ConfigureAwait(false);
- }
- finally
- {
- _remoteDataLock.Release();
- }
- }
- }
-
- private async Task<T> GetData<T>(bool enableCache, Func<List<LocalItem>, T> dataFactory)
- {
- if (!enableCache)
- {
- var items = await RetrieveItems(CancellationToken.None).ConfigureAwait(false);
- var newCache = items.ToList();
- var result = dataFactory(items);
- await UpdateCache(newCache).ConfigureAwait(false);
- return result;
- }
-
- await _dataLock.WaitAsync().ConfigureAwait(false);
-
- try
- {
- await EnsureData(CancellationToken.None).ConfigureAwait(false);
-
- return dataFactory(_items);
- }
- finally
- {
- _dataLock.Release();
- }
- }
-
- private async Task UpdateData(Func<List<LocalItem>, List<LocalItem>> action)
- {
- var items = await RetrieveItems(CancellationToken.None).ConfigureAwait(false);
- items = action(items);
- await SaveData(items.ToList(), CancellationToken.None).ConfigureAwait(false);
-
- await UpdateCache(null).ConfigureAwait(false);
- }
-
- private async Task UpdateCache(List<LocalItem> list)
- {
- await _dataLock.WaitAsync().ConfigureAwait(false);
-
- try
- {
- _items = list;
- }
- finally
- {
- _dataLock.Release();
- }
- }
-
- public Task<List<LocalItem>> GetLocalItems(SyncTarget target, string serverId)
- {
- return GetData(false, items => items.Where(i => string.Equals(i.ServerId, serverId, StringComparison.OrdinalIgnoreCase)).ToList());
- }
-
- public Task AddOrUpdate(SyncTarget target, LocalItem item)
- {
- return UpdateData(items =>
- {
- var list = items.Where(i => !string.Equals(i.Id, item.Id, StringComparison.OrdinalIgnoreCase))
- .ToList();
-
- list.Add(item);
-
- return list;
- });
- }
-
- public Task Delete(SyncTarget target, string id)
- {
- return UpdateData(items => items.Where(i => !string.Equals(i.Id, id, StringComparison.OrdinalIgnoreCase)).ToList());
- }
-
- public Task<LocalItem> Get(SyncTarget target, string id)
- {
- return GetData(true, items => items.FirstOrDefault(i => string.Equals(i.Id, id, StringComparison.OrdinalIgnoreCase)));
- }
-
- public Task<List<LocalItem>> GetItems(SyncTarget target, string serverId, string itemId)
- {
- return GetData(true, items => items.Where(i => string.Equals(i.ServerId, serverId, StringComparison.OrdinalIgnoreCase) && string.Equals(i.ItemId, itemId, StringComparison.OrdinalIgnoreCase)).ToList());
- }
-
- public Task<List<LocalItem>> GetItemsBySyncJobItemId(SyncTarget target, string serverId, string syncJobItemId)
- {
- return GetData(false, items => items.Where(i => string.Equals(i.ServerId, serverId, StringComparison.OrdinalIgnoreCase) && string.Equals(i.SyncJobItemId, syncJobItemId, StringComparison.OrdinalIgnoreCase)).ToList());
- }
- }
-}