using MediaBrowser.Common.IO;
using MediaBrowser.Common.Net;
using MediaBrowser.Controller;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Entities.Audio;
using MediaBrowser.Controller.Entities.Movies;
using MediaBrowser.Controller.Entities.TV;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.LiveTv;
using MediaBrowser.Controller.Providers;
using MediaBrowser.Model.Configuration;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.Logging;
using MediaBrowser.Model.Providers;
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.Providers.Manager
{
///
/// Class ProviderManager
///
public class ProviderManager : IProviderManager
{
///
/// The _logger
///
private readonly ILogger _logger;
///
/// The _HTTP client
///
private readonly IHttpClient _httpClient;
///
/// The _directory watchers
///
private readonly ILibraryMonitor _libraryMonitor;
///
/// Gets or sets the configuration manager.
///
/// The configuration manager.
private IServerConfigurationManager ConfigurationManager { get; set; }
private IImageProvider[] ImageProviders { get; set; }
private readonly IFileSystem _fileSystem;
private IMetadataService[] _metadataServices = { };
private IItemIdentityProvider[] _identityProviders = { };
private IItemIdentityConverter[] _identityConverters = { };
private IMetadataProvider[] _metadataProviders = { };
private IEnumerable _savers;
private IImageSaver[] _imageSavers;
private readonly IServerApplicationPaths _appPaths;
private IExternalId[] _externalIds;
///
/// Initializes a new instance of the class.
///
/// The HTTP client.
/// The configuration manager.
/// The directory watchers.
/// The log manager.
/// The file system.
public ProviderManager(IHttpClient httpClient, IServerConfigurationManager configurationManager, ILibraryMonitor libraryMonitor, ILogManager logManager, IFileSystem fileSystem, IServerApplicationPaths appPaths)
{
_logger = logManager.GetLogger("ProviderManager");
_httpClient = httpClient;
ConfigurationManager = configurationManager;
_libraryMonitor = libraryMonitor;
_fileSystem = fileSystem;
_appPaths = appPaths;
}
///
/// Adds the metadata providers.
///
/// The image providers.
/// The metadata services.
/// The identity providers.
/// The identity converters.
/// The metadata providers.
/// The metadata savers.
/// The image savers.
/// The external ids.
public void AddParts(IEnumerable imageProviders, IEnumerable metadataServices,
IEnumerable identityProviders, IEnumerable identityConverters,
IEnumerable metadataProviders, IEnumerable metadataSavers,
IEnumerable imageSavers, IEnumerable externalIds)
{
ImageProviders = imageProviders.ToArray();
_metadataServices = metadataServices.OrderBy(i => i.Order).ToArray();
_identityProviders = identityProviders.ToArray();
_identityConverters = identityConverters.ToArray();
_metadataProviders = metadataProviders.ToArray();
_savers = metadataSavers.ToArray();
_imageSavers = imageSavers.ToArray();
_externalIds = externalIds.OrderBy(i => i.Name).ToArray();
}
public Task RefreshMetadata(IHasMetadata item, MetadataRefreshOptions options, CancellationToken cancellationToken)
{
var service = _metadataServices.FirstOrDefault(i => i.CanRefresh(item));
if (service != null)
{
return service.RefreshMetadata(item, options, cancellationToken);
}
_logger.Error("Unable to find a metadata service for item of type " + item.GetType().Name);
return Task.FromResult(ItemUpdateType.None);
}
public async Task SaveImage(IHasImages item, string url, SemaphoreSlim resourcePool, ImageType type, int? imageIndex, CancellationToken cancellationToken)
{
var response = await _httpClient.GetResponse(new HttpRequestOptions
{
CancellationToken = cancellationToken,
ResourcePool = resourcePool,
Url = url
}).ConfigureAwait(false);
await SaveImage(item, response.Content, response.ContentType, type, imageIndex, cancellationToken)
.ConfigureAwait(false);
}
public Task SaveImage(IHasImages item, Stream source, string mimeType, ImageType type, int? imageIndex, CancellationToken cancellationToken)
{
return new ImageSaver(ConfigurationManager, _libraryMonitor, _fileSystem, _logger).SaveImage(item, source, mimeType, type, imageIndex, cancellationToken);
}
public Task SaveImage(IHasImages item, Stream source, string mimeType, ImageType type, int? imageIndex, string internalCacheKey, CancellationToken cancellationToken)
{
return new ImageSaver(ConfigurationManager, _libraryMonitor, _fileSystem, _logger).SaveImage(item, source, mimeType, type, imageIndex, internalCacheKey, cancellationToken);
}
public async Task> GetAvailableRemoteImages(IHasImages item, RemoteImageQuery query, CancellationToken cancellationToken)
{
var providers = GetRemoteImageProviders(item, query.IncludeDisabledProviders);
if (!string.IsNullOrEmpty(query.ProviderName))
{
var providerName = query.ProviderName;
providers = providers.Where(i => string.Equals(i.Name, providerName, StringComparison.OrdinalIgnoreCase));
}
var preferredLanguage = item.GetPreferredMetadataLanguage();
var languages = new List();
if (!query.IncludeAllLanguages && !string.IsNullOrWhiteSpace(preferredLanguage))
{
languages.Add(preferredLanguage);
}
var tasks = providers.Select(i => GetImages(item, cancellationToken, i, languages, query.ImageType));
var results = await Task.WhenAll(tasks).ConfigureAwait(false);
var images = results.SelectMany(i => i);
return images;
}
///
/// Gets the images.
///
/// The item.
/// The cancellation token.
/// The provider.
/// The preferred languages.
/// The type.
/// Task{IEnumerable{RemoteImageInfo}}.
private async Task> GetImages(IHasImages item, CancellationToken cancellationToken, IRemoteImageProvider provider, List preferredLanguages, ImageType? type = null)
{
try
{
var result = await provider.GetImages(item, cancellationToken).ConfigureAwait(false);
if (type.HasValue)
{
result = result.Where(i => i.Type == type.Value);
}
if (preferredLanguages.Count > 0)
{
result = result.Where(i => string.IsNullOrEmpty(i.Language) ||
preferredLanguages.Contains(i.Language, StringComparer.OrdinalIgnoreCase) ||
string.Equals(i.Language, "en", StringComparison.OrdinalIgnoreCase));
}
return result;
}
catch (OperationCanceledException)
{
return new List();
}
catch (Exception ex)
{
_logger.ErrorException("{0} failed in GetImageInfos for type {1}", ex, provider.GetType().Name, item.GetType().Name);
return new List();
}
}
///
/// Gets the supported image providers.
///
/// The item.
/// IEnumerable{IImageProvider}.
public IEnumerable GetRemoteImageProviderInfo(IHasImages item)
{
return GetRemoteImageProviders(item, true).Select(i => new ImageProviderInfo
{
Name = i.Name,
SupportedImages = i.GetSupportedImages(item).ToList()
});
}
public IEnumerable GetImageProviders(IHasImages item)
{
return GetImageProviders(item, GetMetadataOptions(item), false);
}
private IEnumerable GetImageProviders(IHasImages item, MetadataOptions options, bool includeDisabled)
{
// Avoid implicitly captured closure
var currentOptions = options;
return ImageProviders.Where(i => CanRefresh(i, item, options, includeDisabled))
.OrderBy(i =>
{
// See if there's a user-defined order
if (!(i is ILocalImageProvider))
{
var index = Array.IndexOf(currentOptions.ImageFetcherOrder, i.Name);
if (index != -1)
{
return index;
}
}
// Not configured. Just return some high number to put it at the end.
return 100;
})
.ThenBy(GetOrder);
}
public IEnumerable> GetMetadataProviders(IHasMetadata item)
where T : IHasMetadata
{
var options = GetMetadataOptions(item);
return GetMetadataProvidersInternal(item, options, false);
}
private IEnumerable> GetMetadataProvidersInternal(IHasMetadata item, MetadataOptions options, bool includeDisabled)
where T : IHasMetadata
{
// Avoid implicitly captured closure
var currentOptions = options;
return _metadataProviders.OfType>()
.Where(i => CanRefresh(i, item, currentOptions, includeDisabled))
.OrderBy(i => GetConfiguredOrder(i, options))
.ThenBy(GetDefaultOrder);
}
public IEnumerable> GetItemIdentityProviders()
where TLookupInfo : ItemLookupInfo
where TIdentity : IItemIdentity
{
return _identityProviders.OfType>();
}
public IEnumerable> GetItemIdentityConverters()
where TIdentity : IItemIdentity
{
return _identityConverters.OfType>();
}
private IEnumerable GetRemoteImageProviders(IHasImages item, bool includeDisabled)
{
var options = GetMetadataOptions(item);
return GetImageProviders(item, options, includeDisabled).OfType();
}
private bool CanRefresh(IMetadataProvider provider, IHasMetadata item, MetadataOptions options, bool includeDisabled)
{
if (!includeDisabled)
{
// If locked only allow local providers
if (item.IsLocked && !(provider is ILocalMetadataProvider) && !(provider is IForcedProvider))
{
return false;
}
if (provider is IRemoteMetadataProvider)
{
if (!ConfigurationManager.Configuration.EnableInternetProviders)
{
return false;
}
if (Array.IndexOf(options.DisabledMetadataFetchers, provider.Name) != -1)
{
return false;
}
}
}
if (!item.SupportsLocalMetadata && provider is ILocalMetadataProvider)
{
return false;
}
// If this restriction is ever lifted, movie xml providers will have to be updated to prevent owned items like trailers from reading those files
if (item.IsOwnedItem)
{
if (provider is ILocalMetadataProvider || provider is IRemoteMetadataProvider)
{
return false;
}
}
return true;
}
private bool CanRefresh(IImageProvider provider, IHasImages item, MetadataOptions options, bool includeDisabled)
{
if (!includeDisabled)
{
// If locked only allow local providers
if (item.IsLocked && !(provider is ILocalImageProvider))
{
return false;
}
if (provider is IRemoteImageProvider || provider is IDynamicImageProvider)
{
if (Array.IndexOf(options.DisabledImageFetchers, provider.Name) != -1)
{
return false;
}
if (provider is IRemoteImageProvider)
{
if (!ConfigurationManager.Configuration.EnableInternetProviders)
{
return false;
}
}
}
}
try
{
return provider.Supports(item);
}
catch (Exception ex)
{
_logger.ErrorException("{0} failed in Supports for type {1}", ex, provider.GetType().Name, item.GetType().Name);
return false;
}
}
///
/// Gets the order.
///
/// The provider.
/// System.Int32.
private int GetOrder(IImageProvider provider)
{
var hasOrder = provider as IHasOrder;
if (hasOrder == null)
{
return 0;
}
return hasOrder.Order;
}
private int GetConfiguredOrder(IMetadataProvider provider, MetadataOptions options)
{
// See if there's a user-defined order
if (provider is ILocalMetadataProvider)
{
var index = Array.IndexOf(options.LocalMetadataReaderOrder, provider.Name);
if (index != -1)
{
return index;
}
}
// See if there's a user-defined order
if (provider is IRemoteMetadataProvider)
{
var index = Array.IndexOf(options.MetadataFetcherOrder, provider.Name);
if (index != -1)
{
return index;
}
}
// Not configured. Just return some high number to put it at the end.
return 100;
}
private int GetDefaultOrder(IMetadataProvider provider)
{
var hasOrder = provider as IHasOrder;
if (hasOrder != null)
{
return hasOrder.Order;
}
return 0;
}
public IEnumerable GetAllMetadataPlugins()
{
var list = new List
{
GetPluginSummary(),
GetPluginSummary(),
GetPluginSummary(),
GetPluginSummary(),
GetPluginSummary(),
GetPluginSummary(),
GetPluginSummary(),
GetPluginSummary(),
GetPluginSummary(),
GetPluginSummary(),
GetPluginSummary(),
GetPluginSummary