diff options
Diffstat (limited to 'MediaBrowser.Server.Implementations/Persistence/JsonItemRepository.cs')
| -rw-r--r-- | MediaBrowser.Server.Implementations/Persistence/JsonItemRepository.cs | 235 |
1 files changed, 0 insertions, 235 deletions
diff --git a/MediaBrowser.Server.Implementations/Persistence/JsonItemRepository.cs b/MediaBrowser.Server.Implementations/Persistence/JsonItemRepository.cs deleted file mode 100644 index d0333e334..000000000 --- a/MediaBrowser.Server.Implementations/Persistence/JsonItemRepository.cs +++ /dev/null @@ -1,235 +0,0 @@ -using MediaBrowser.Common.Configuration; -using MediaBrowser.Common.IO; -using MediaBrowser.Controller.Entities; -using MediaBrowser.Controller.Persistence; -using MediaBrowser.Model.Entities; -using MediaBrowser.Model.Logging; -using MediaBrowser.Model.Serialization; -using System; -using System.Collections.Concurrent; -using System.Collections.Generic; -using System.IO; -using System.Linq; -using System.Threading; -using System.Threading.Tasks; - -namespace MediaBrowser.Server.Implementations.Persistence -{ - public class JsonItemRepository : IItemRepository - { - private readonly ConcurrentDictionary<string, SemaphoreSlim> _fileLocks = new ConcurrentDictionary<string, SemaphoreSlim>(); - - private SemaphoreSlim GetLock(string filename) - { - return _fileLocks.GetOrAdd(filename, key => new SemaphoreSlim(1, 1)); - } - - /// <summary> - /// Gets the name of the repository - /// </summary> - /// <value>The name.</value> - public string Name - { - get - { - return "Json"; - } - } - - /// <summary> - /// Gets the json serializer. - /// </summary> - /// <value>The json serializer.</value> - private readonly IJsonSerializer _jsonSerializer; - - private readonly string _criticReviewsPath; - - private readonly FileSystemRepository _itemRepo; - - /// <summary> - /// Initializes a new instance of the <see cref="JsonUserDataRepository" /> class. - /// </summary> - /// <param name="appPaths">The app paths.</param> - /// <param name="jsonSerializer">The json serializer.</param> - /// <param name="logManager">The log manager.</param> - /// <exception cref="System.ArgumentNullException">appPaths</exception> - public JsonItemRepository(IApplicationPaths appPaths, IJsonSerializer jsonSerializer, ILogManager logManager) - { - if (appPaths == null) - { - throw new ArgumentNullException("appPaths"); - } - if (jsonSerializer == null) - { - throw new ArgumentNullException("jsonSerializer"); - } - - _jsonSerializer = jsonSerializer; - - _criticReviewsPath = Path.Combine(appPaths.DataPath, "critic-reviews"); - - _itemRepo = new FileSystemRepository(Path.Combine(appPaths.DataPath, "library")); - } - - /// <summary> - /// Opens the connection to the database - /// </summary> - /// <returns>Task.</returns> - public Task Initialize() - { - return Task.FromResult(true); - } - - /// <summary> - /// Save a standard item in the repo - /// </summary> - /// <param name="item">The item.</param> - /// <param name="cancellationToken">The cancellation token.</param> - /// <returns>Task.</returns> - /// <exception cref="System.ArgumentNullException">item</exception> - public async Task SaveItem(BaseItem item, CancellationToken cancellationToken) - { - if (item == null) - { - throw new ArgumentNullException("item"); - } - - if (!Directory.Exists(_criticReviewsPath)) - { - Directory.CreateDirectory(_criticReviewsPath); - } - - var path = _itemRepo.GetResourcePath(item.Id + ".json"); - - var parentPath = Path.GetDirectoryName(path); - if (!Directory.Exists(parentPath)) - { - Directory.CreateDirectory(parentPath); - } - - var semaphore = GetLock(path); - - await semaphore.WaitAsync(cancellationToken).ConfigureAwait(false); - - try - { - _jsonSerializer.SerializeToFile(item, path); - } - finally - { - semaphore.Release(); - } - } - - /// <summary> - /// Saves the items. - /// </summary> - /// <param name="items">The items.</param> - /// <param name="cancellationToken">The cancellation token.</param> - /// <returns>Task.</returns> - /// <exception cref="System.ArgumentNullException"> - /// items - /// or - /// cancellationToken - /// </exception> - public Task SaveItems(IEnumerable<BaseItem> items, CancellationToken cancellationToken) - { - if (items == null) - { - throw new ArgumentNullException("items"); - } - - if (cancellationToken == null) - { - throw new ArgumentNullException("cancellationToken"); - } - - var tasks = items.Select(i => SaveItem(i, cancellationToken)); - - return Task.WhenAll(tasks); - } - - /// <summary> - /// Retrieves the item. - /// </summary> - /// <param name="id">The id.</param> - /// <param name="type">The type.</param> - /// <returns>BaseItem.</returns> - /// <exception cref="System.ArgumentNullException">id</exception> - public BaseItem RetrieveItem(Guid id, Type type) - { - if (id == Guid.Empty) - { - throw new ArgumentNullException("id"); - } - - var path = _itemRepo.GetResourcePath(id + ".json"); - - try - { - return (BaseItem)_jsonSerializer.DeserializeFromFile(type, path); - } - catch (IOException) - { - // File doesn't exist or is currently bring written to - return null; - } - } - - /// <summary> - /// Gets the critic reviews. - /// </summary> - /// <param name="itemId">The item id.</param> - /// <returns>Task{IEnumerable{ItemReview}}.</returns> - public Task<IEnumerable<ItemReview>> GetCriticReviews(Guid itemId) - { - return Task.Run<IEnumerable<ItemReview>>(() => - { - var path = Path.Combine(_criticReviewsPath, itemId + ".json"); - - try - { - return _jsonSerializer.DeserializeFromFile<List<ItemReview>>(path); - } - catch (IOException) - { - // File doesn't exist or is currently bring written to - return new List<ItemReview>(); - } - }); - } - - /// <summary> - /// Saves the critic reviews. - /// </summary> - /// <param name="itemId">The item id.</param> - /// <param name="criticReviews">The critic reviews.</param> - /// <returns>Task.</returns> - public Task SaveCriticReviews(Guid itemId, IEnumerable<ItemReview> criticReviews) - { - return Task.Run(() => - { - if (!Directory.Exists(_criticReviewsPath)) - { - Directory.CreateDirectory(_criticReviewsPath); - } - - var path = Path.Combine(_criticReviewsPath, itemId + ".json"); - - _jsonSerializer.SerializeToFile(criticReviews.ToList(), path); - }); - } - - public void Dispose() - { - // Wait up to two seconds for any existing writes to finish - var locks = _fileLocks.Values.ToList() - .Where(i => i.CurrentCount == 1) - .Select(i => i.WaitAsync(2000)); - - var task = Task.WhenAll(locks); - - Task.WaitAll(task); - } - } -} |
