730 lines
29 KiB
C#
730 lines
29 KiB
C#
using MediaBrowser.Common.Extensions;
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using MediaBrowser.Controller.Configuration;
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using MediaBrowser.Controller.Entities;
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using MediaBrowser.Controller.Library;
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using MediaBrowser.Controller.Providers;
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using MediaBrowser.Model.Entities;
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using MediaBrowser.Model.Logging;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Threading;
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using System.Threading.Tasks;
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using CommonIO;
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using MediaBrowser.Model.Providers;
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namespace MediaBrowser.Providers.Manager
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{
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public abstract class MetadataService<TItemType, TIdType> : IMetadataService
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where TItemType : IHasMetadata, IHasLookupInfo<TIdType>, new()
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where TIdType : ItemLookupInfo, new()
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{
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protected readonly IServerConfigurationManager ServerConfigurationManager;
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protected readonly ILogger Logger;
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protected readonly IProviderManager ProviderManager;
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protected readonly IFileSystem FileSystem;
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protected readonly IUserDataManager UserDataManager;
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protected readonly ILibraryManager LibraryManager;
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protected MetadataService(IServerConfigurationManager serverConfigurationManager, ILogger logger, IProviderManager providerManager, IFileSystem fileSystem, IUserDataManager userDataManager, ILibraryManager libraryManager)
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{
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ServerConfigurationManager = serverConfigurationManager;
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Logger = logger;
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ProviderManager = providerManager;
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FileSystem = fileSystem;
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UserDataManager = userDataManager;
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LibraryManager = libraryManager;
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}
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public async Task<ItemUpdateType> RefreshMetadata(IHasMetadata item, MetadataRefreshOptions refreshOptions, CancellationToken cancellationToken)
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{
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var itemOfType = (TItemType)item;
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var config = ProviderManager.GetMetadataOptions(item);
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var updateType = ItemUpdateType.None;
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var itemImageProvider = new ItemImageProvider(Logger, ProviderManager, ServerConfigurationManager, FileSystem);
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var localImagesFailed = false;
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var allImageProviders = ((ProviderManager)ProviderManager).GetImageProviders(item, refreshOptions).ToList();
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// Start by validating images
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try
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{
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// Always validate images and check for new locally stored ones.
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if (itemImageProvider.ValidateImages(item, allImageProviders.OfType<ILocalImageProvider>(), refreshOptions.DirectoryService))
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{
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updateType = updateType | ItemUpdateType.ImageUpdate;
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}
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}
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catch (Exception ex)
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{
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localImagesFailed = true;
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Logger.ErrorException("Error validating images for {0}", ex, item.Path ?? item.Name ?? "Unknown name");
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}
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var metadataResult = new MetadataResult<TItemType>
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{
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Item = itemOfType
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};
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bool hasRefreshedMetadata = true;
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bool hasRefreshedImages = true;
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var requiresRefresh = false;
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// Next run metadata providers
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if (refreshOptions.MetadataRefreshMode != MetadataRefreshMode.None)
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{
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// TODO: If this returns true, should we instead just change metadata refresh mode to Full?
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requiresRefresh = item.RequiresRefresh();
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var providers = GetProviders(item, refreshOptions, requiresRefresh)
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.ToList();
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var dateLastRefresh = item.DateLastRefreshed;
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if (providers.Count > 0 || dateLastRefresh == default(DateTime))
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{
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if (item.BeforeMetadataRefresh())
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{
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updateType = updateType | ItemUpdateType.MetadataImport;
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}
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}
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if (providers.Count > 0)
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{
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var id = itemOfType.GetLookupInfo();
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if (refreshOptions.SearchResult != null)
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{
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ApplySearchResult(id, refreshOptions.SearchResult);
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}
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//await FindIdentities(id, cancellationToken).ConfigureAwait(false);
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id.IsAutomated = refreshOptions.IsAutomated;
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var result = await RefreshWithProviders(metadataResult, id, refreshOptions, providers, itemImageProvider, cancellationToken).ConfigureAwait(false);
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updateType = updateType | result.UpdateType;
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if (result.Failures == 0)
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{
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hasRefreshedMetadata = true;
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}
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else
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{
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hasRefreshedMetadata = false;
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}
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}
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}
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// Next run remote image providers, but only if local image providers didn't throw an exception
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if (!localImagesFailed && refreshOptions.ImageRefreshMode != ImageRefreshMode.ValidationOnly)
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{
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var providers = GetNonLocalImageProviders(item, allImageProviders, refreshOptions).ToList();
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if (providers.Count > 0)
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{
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var result = await itemImageProvider.RefreshImages(itemOfType, providers, refreshOptions, config, cancellationToken).ConfigureAwait(false);
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updateType = updateType | result.UpdateType;
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if (result.Failures == 0)
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{
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hasRefreshedImages = true;
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}
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else
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{
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hasRefreshedImages = false;
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}
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}
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}
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var isFirstRefresh = item.DateLastRefreshed == default(DateTime);
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var beforeSaveResult = await BeforeSave(itemOfType, isFirstRefresh || refreshOptions.ReplaceAllMetadata || refreshOptions.MetadataRefreshMode == MetadataRefreshMode.FullRefresh || requiresRefresh, updateType).ConfigureAwait(false);
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updateType = updateType | beforeSaveResult;
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if (item.LocationType == LocationType.FileSystem)
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{
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var file = refreshOptions.DirectoryService.GetFile(item.Path);
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if (file != null)
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{
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var fileLastWriteTime = file.LastWriteTimeUtc;
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if (item.EnableForceSaveOnDateModifiedChange && fileLastWriteTime != item.DateModified)
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{
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Logger.Debug("Date modified for {0}. Old date {1} new date {2} Id {3}", item.Path, item.DateModified, fileLastWriteTime, item.Id);
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requiresRefresh = true;
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}
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item.DateModified = fileLastWriteTime;
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}
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}
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// Save if changes were made, or it's never been saved before
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if (refreshOptions.ForceSave || updateType > ItemUpdateType.None || isFirstRefresh || refreshOptions.ReplaceAllMetadata || requiresRefresh)
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{
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// If any of these properties are set then make sure the updateType is not None, just to force everything to save
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if (refreshOptions.ForceSave || refreshOptions.ReplaceAllMetadata)
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{
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updateType = updateType | ItemUpdateType.MetadataDownload;
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}
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if (hasRefreshedMetadata && hasRefreshedImages)
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{
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item.DateLastRefreshed = DateTime.UtcNow;
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}
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else
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{
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item.DateLastRefreshed = default(DateTime);
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}
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// Save to database
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await SaveItem(metadataResult, updateType, cancellationToken).ConfigureAwait(false);
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}
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await AfterMetadataRefresh(itemOfType, refreshOptions, cancellationToken).ConfigureAwait(false);
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return updateType;
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}
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private void ApplySearchResult(ItemLookupInfo lookupInfo, RemoteSearchResult result)
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{
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lookupInfo.ProviderIds = result.ProviderIds;
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lookupInfo.Name = result.Name;
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lookupInfo.Year = result.ProductionYear;
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}
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protected async Task SaveItem(MetadataResult<TItemType> result, ItemUpdateType reason, CancellationToken cancellationToken)
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{
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if (result.Item.SupportsPeople && result.People != null)
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{
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await LibraryManager.UpdatePeople(result.Item as BaseItem, result.People.ToList());
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await SavePeopleMetadata(result.People, cancellationToken).ConfigureAwait(false);
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}
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await result.Item.UpdateToRepository(reason, cancellationToken).ConfigureAwait(false);
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}
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private async Task SavePeopleMetadata(List<PersonInfo> people, CancellationToken cancellationToken)
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{
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foreach (var person in people)
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{
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cancellationToken.ThrowIfCancellationRequested();
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if (person.ProviderIds.Any() || !string.IsNullOrWhiteSpace(person.ImageUrl))
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{
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var updateType = ItemUpdateType.MetadataDownload;
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var saveEntity = false;
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var personEntity = LibraryManager.GetPerson(person.Name);
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foreach (var id in person.ProviderIds)
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{
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if (!string.Equals(personEntity.GetProviderId(id.Key), id.Value, StringComparison.OrdinalIgnoreCase))
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{
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personEntity.SetProviderId(id.Key, id.Value);
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saveEntity = true;
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}
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}
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if (!string.IsNullOrWhiteSpace(person.ImageUrl) && !personEntity.HasImage(ImageType.Primary))
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{
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await AddPersonImage(personEntity, person.ImageUrl, cancellationToken).ConfigureAwait(false);
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saveEntity = true;
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updateType = updateType | ItemUpdateType.ImageUpdate;
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}
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if (saveEntity)
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{
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await personEntity.UpdateToRepository(updateType, cancellationToken).ConfigureAwait(false);
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}
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}
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}
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}
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private async Task AddPersonImage(Person personEntity, string imageUrl, CancellationToken cancellationToken)
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{
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if (ServerConfigurationManager.Configuration.DownloadImagesInAdvance)
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{
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try
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{
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await ProviderManager.SaveImage(personEntity, imageUrl, null, ImageType.Primary, null, cancellationToken).ConfigureAwait(false);
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return;
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}
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catch (Exception ex)
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{
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Logger.ErrorException("Error in AddPersonImage", ex);
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}
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}
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personEntity.SetImage(new ItemImageInfo
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{
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Path = imageUrl,
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Type = ImageType.Primary,
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IsPlaceholder = true
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}, 0);
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}
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private readonly Task _cachedTask = Task.FromResult(true);
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protected virtual Task AfterMetadataRefresh(TItemType item, MetadataRefreshOptions refreshOptions, CancellationToken cancellationToken)
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{
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item.AfterMetadataRefresh();
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return _cachedTask;
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}
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/// <summary>
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/// Befores the save.
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/// </summary>
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/// <param name="item">The item.</param>
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/// <param name="isFullRefresh">if set to <c>true</c> [is full refresh].</param>
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/// <param name="currentUpdateType">Type of the current update.</param>
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/// <returns>ItemUpdateType.</returns>
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protected virtual async Task<ItemUpdateType> BeforeSave(TItemType item, bool isFullRefresh, ItemUpdateType currentUpdateType)
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{
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var updateType = ItemUpdateType.None;
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updateType |= SaveCumulativeRunTimeTicks(item, isFullRefresh, currentUpdateType);
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updateType |= SaveDateLastMediaAdded(item, isFullRefresh, currentUpdateType);
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return updateType;
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}
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private ItemUpdateType SaveCumulativeRunTimeTicks(TItemType item, bool isFullRefresh, ItemUpdateType currentUpdateType)
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{
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var updateType = ItemUpdateType.None;
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if (isFullRefresh || currentUpdateType > ItemUpdateType.None)
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{
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var folder = item as Folder;
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if (folder != null && folder.SupportsCumulativeRunTimeTicks)
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{
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var items = folder.GetRecursiveChildren(i => !i.IsFolder).ToList();
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var ticks = items.Select(i => i.RunTimeTicks ?? 0).Sum();
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if (!folder.RunTimeTicks.HasValue || folder.RunTimeTicks.Value != ticks)
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{
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folder.RunTimeTicks = ticks;
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updateType = ItemUpdateType.MetadataEdit;
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}
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}
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}
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return updateType;
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}
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private ItemUpdateType SaveDateLastMediaAdded(TItemType item, bool isFullRefresh, ItemUpdateType currentUpdateType)
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{
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var updateType = ItemUpdateType.None;
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if (isFullRefresh || currentUpdateType > ItemUpdateType.None)
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{
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var folder = item as Folder;
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if (folder != null && folder.SupportsDateLastMediaAdded)
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{
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var items = folder.GetRecursiveChildren(i => !i.IsFolder).Select(i => i.DateCreated).ToList();
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var date = items.Count == 0 ? (DateTime?)null : items.Max();
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if ((!folder.DateLastMediaAdded.HasValue && date.HasValue) || folder.DateLastMediaAdded != date)
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{
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folder.DateLastMediaAdded = date;
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updateType = ItemUpdateType.MetadataEdit;
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}
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}
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}
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return updateType;
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}
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/// <summary>
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/// Gets the providers.
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/// </summary>
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/// <returns>IEnumerable{`0}.</returns>
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protected IEnumerable<IMetadataProvider> GetProviders(IHasMetadata item, MetadataRefreshOptions options, bool requiresRefresh)
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{
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// Get providers to refresh
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var providers = ((ProviderManager)ProviderManager).GetMetadataProviders<TItemType>(item).ToList();
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var dateLastRefresh = item.DateLastRefreshed;
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// Run all if either of these flags are true
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var runAllProviders = options.ReplaceAllMetadata || options.MetadataRefreshMode == MetadataRefreshMode.FullRefresh || dateLastRefresh == default(DateTime) || requiresRefresh;
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if (!runAllProviders)
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{
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var providersWithChanges = providers
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.Where(i =>
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{
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var hasFileChangeMonitor = i as IHasItemChangeMonitor;
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if (hasFileChangeMonitor != null)
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{
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return HasChanged(item, hasFileChangeMonitor, options.DirectoryService);
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}
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return false;
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})
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.ToList();
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if (providersWithChanges.Count == 0)
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{
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providers = new List<IMetadataProvider<TItemType>>();
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}
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else
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{
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providers = providers.Where(i =>
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{
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// If any provider reports a change, always run local ones as well
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if (i is ILocalMetadataProvider)
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{
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return true;
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}
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var anyRemoteProvidersChanged = providersWithChanges.OfType<IRemoteMetadataProvider>()
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.Any();
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// If any remote providers changed, run them all so that priorities can be honored
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if (i is IRemoteMetadataProvider)
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{
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return anyRemoteProvidersChanged;
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}
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// Run custom providers if they report a change or any remote providers change
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return anyRemoteProvidersChanged || providersWithChanges.Contains(i);
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}).ToList();
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}
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}
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return providers;
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}
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protected virtual IEnumerable<IImageProvider> GetNonLocalImageProviders(IHasMetadata item, IEnumerable<IImageProvider> allImageProviders, ImageRefreshOptions options)
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{
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// Get providers to refresh
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var providers = allImageProviders.Where(i => !(i is ILocalImageProvider)).ToList();
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var dateLastImageRefresh = item.DateLastRefreshed;
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// Run all if either of these flags are true
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var runAllProviders = options.ImageRefreshMode == ImageRefreshMode.FullRefresh || dateLastImageRefresh == default(DateTime);
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if (!runAllProviders)
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{
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providers = providers
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.Where(i =>
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{
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var hasFileChangeMonitor = i as IHasItemChangeMonitor;
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if (hasFileChangeMonitor != null)
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{
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return HasChanged(item, hasFileChangeMonitor, options.DirectoryService);
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}
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return false;
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})
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.ToList();
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}
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return providers;
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}
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public bool CanRefresh(IHasMetadata item)
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{
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return item is TItemType;
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}
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protected virtual async Task<RefreshResult> RefreshWithProviders(MetadataResult<TItemType> metadata,
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TIdType id,
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MetadataRefreshOptions options,
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List<IMetadataProvider> providers,
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ItemImageProvider imageService,
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CancellationToken cancellationToken)
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{
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var refreshResult = new RefreshResult
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{
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UpdateType = ItemUpdateType.None,
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Providers = providers.Select(i => i.GetType().FullName.GetMD5()).ToList()
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};
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var item = metadata.Item;
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var customProviders = providers.OfType<ICustomMetadataProvider<TItemType>>().ToList();
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var logName = item.LocationType == LocationType.Remote ? item.Name ?? item.Path : item.Path ?? item.Name;
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foreach (var provider in customProviders.Where(i => i is IPreRefreshProvider))
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{
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await RunCustomProvider(provider, item, logName, options, refreshResult, cancellationToken).ConfigureAwait(false);
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}
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var temp = new MetadataResult<TItemType>
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{
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Item = CreateNew()
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};
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temp.Item.Path = item.Path;
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var userDataList = new List<UserItemData>();
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// If replacing all metadata, run internet providers first
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if (options.ReplaceAllMetadata)
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{
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var remoteResult = await ExecuteRemoteProviders(temp, logName, id, providers.OfType<IRemoteMetadataProvider<TItemType, TIdType>>(), cancellationToken)
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.ConfigureAwait(false);
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refreshResult.UpdateType = refreshResult.UpdateType | remoteResult.UpdateType;
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refreshResult.ErrorMessage = remoteResult.ErrorMessage;
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refreshResult.Failures += remoteResult.Failures;
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}
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var hasLocalMetadata = false;
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foreach (var provider in providers.OfType<ILocalMetadataProvider<TItemType>>().ToList())
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{
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var providerName = provider.GetType().Name;
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Logger.Debug("Running {0} for {1}", providerName, logName);
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var itemInfo = new ItemInfo(item);
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try
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{
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var localItem = await provider.GetMetadata(itemInfo, options.DirectoryService, cancellationToken).ConfigureAwait(false);
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if (localItem.HasMetadata)
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{
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if (imageService.MergeImages(item, localItem.Images))
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{
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refreshResult.UpdateType = refreshResult.UpdateType | ItemUpdateType.ImageUpdate;
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}
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if (localItem.UserDataList != null)
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{
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userDataList.AddRange(localItem.UserDataList);
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}
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MergeData(localItem, temp, new List<MetadataFields>(), !options.ReplaceAllMetadata, true);
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refreshResult.UpdateType = refreshResult.UpdateType | ItemUpdateType.MetadataImport;
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// Only one local provider allowed per item
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if (IsFullLocalMetadata(localItem.Item))
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{
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hasLocalMetadata = true;
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}
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break;
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}
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Logger.Debug("{0} returned no metadata for {1}", providerName, logName);
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}
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catch (OperationCanceledException)
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{
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throw;
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}
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catch (Exception ex)
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{
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refreshResult.Failures++;
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Logger.ErrorException("Error in {0}", ex, provider.Name);
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// If a local provider fails, consider that a failure
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refreshResult.ErrorMessage = ex.Message;
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}
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}
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// Local metadata is king - if any is found don't run remote providers
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if (!options.ReplaceAllMetadata && (!hasLocalMetadata || options.MetadataRefreshMode == MetadataRefreshMode.FullRefresh))
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{
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var remoteResult = await ExecuteRemoteProviders(temp, logName, id, providers.OfType<IRemoteMetadataProvider<TItemType, TIdType>>(), cancellationToken)
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.ConfigureAwait(false);
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refreshResult.UpdateType = refreshResult.UpdateType | remoteResult.UpdateType;
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refreshResult.ErrorMessage = remoteResult.ErrorMessage;
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refreshResult.Failures += remoteResult.Failures;
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}
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if (providers.Any(i => !(i is ICustomMetadataProvider)))
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{
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if (refreshResult.UpdateType > ItemUpdateType.None)
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{
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// If no local metadata, take data from item itself
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|
if (!hasLocalMetadata)
|
|
{
|
|
// TODO: If the new metadata from above has some blank data, this can cause old data to get filled into those empty fields
|
|
MergeData(metadata, temp, new List<MetadataFields>(), false, true);
|
|
}
|
|
|
|
MergeData(temp, metadata, item.LockedFields, true, true);
|
|
}
|
|
}
|
|
|
|
//var isUnidentified = failedProviderCount > 0 && successfulProviderCount == 0;
|
|
|
|
foreach (var provider in customProviders.Where(i => !(i is IPreRefreshProvider)))
|
|
{
|
|
await RunCustomProvider(provider, item, logName, options, refreshResult, cancellationToken).ConfigureAwait(false);
|
|
}
|
|
|
|
await ImportUserData(item, userDataList, cancellationToken).ConfigureAwait(false);
|
|
|
|
return refreshResult;
|
|
}
|
|
|
|
protected virtual bool IsFullLocalMetadata(TItemType item)
|
|
{
|
|
if (string.IsNullOrWhiteSpace(item.Name))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
private async Task ImportUserData(TItemType item, List<UserItemData> userDataList, CancellationToken cancellationToken)
|
|
{
|
|
var hasUserData = item as IHasUserData;
|
|
|
|
if (hasUserData != null)
|
|
{
|
|
foreach (var userData in userDataList)
|
|
{
|
|
await UserDataManager.SaveUserData(userData.UserId, hasUserData, userData, UserDataSaveReason.Import, cancellationToken)
|
|
.ConfigureAwait(false);
|
|
}
|
|
}
|
|
}
|
|
|
|
private async Task RunCustomProvider(ICustomMetadataProvider<TItemType> provider, TItemType item, string logName, MetadataRefreshOptions options, RefreshResult refreshResult, CancellationToken cancellationToken)
|
|
{
|
|
Logger.Debug("Running {0} for {1}", provider.GetType().Name, logName);
|
|
|
|
try
|
|
{
|
|
refreshResult.UpdateType = refreshResult.UpdateType | await provider.FetchAsync(item, options, cancellationToken).ConfigureAwait(false);
|
|
}
|
|
catch (OperationCanceledException)
|
|
{
|
|
throw;
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
refreshResult.ErrorMessage = ex.Message;
|
|
Logger.ErrorException("Error in {0}", ex, provider.Name);
|
|
}
|
|
}
|
|
|
|
protected virtual TItemType CreateNew()
|
|
{
|
|
return new TItemType();
|
|
}
|
|
|
|
private async Task<RefreshResult> ExecuteRemoteProviders(MetadataResult<TItemType> temp, string logName, TIdType id, IEnumerable<IRemoteMetadataProvider<TItemType, TIdType>> providers, CancellationToken cancellationToken)
|
|
{
|
|
var refreshResult = new RefreshResult();
|
|
|
|
foreach (var provider in providers)
|
|
{
|
|
var providerName = provider.GetType().Name;
|
|
Logger.Debug("Running {0} for {1}", providerName, logName);
|
|
|
|
if (id != null)
|
|
{
|
|
MergeNewData(temp.Item, id);
|
|
}
|
|
|
|
try
|
|
{
|
|
var result = await provider.GetMetadata(id, cancellationToken).ConfigureAwait(false);
|
|
|
|
if (result.HasMetadata)
|
|
{
|
|
NormalizeRemoteResult(result.Item);
|
|
|
|
MergeData(result, temp, new List<MetadataFields>(), false, false);
|
|
|
|
refreshResult.UpdateType = refreshResult.UpdateType | ItemUpdateType.MetadataDownload;
|
|
}
|
|
else
|
|
{
|
|
Logger.Debug("{0} returned no metadata for {1}", providerName, logName);
|
|
}
|
|
}
|
|
catch (OperationCanceledException)
|
|
{
|
|
throw;
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
refreshResult.Failures++;
|
|
refreshResult.ErrorMessage = ex.Message;
|
|
Logger.ErrorException("Error in {0}", ex, provider.Name);
|
|
}
|
|
}
|
|
|
|
return refreshResult;
|
|
}
|
|
|
|
private void NormalizeRemoteResult(TItemType item)
|
|
{
|
|
if (!ServerConfigurationManager.Configuration.FindInternetTrailers)
|
|
{
|
|
var hasTrailers = item as IHasTrailers;
|
|
|
|
if (hasTrailers != null)
|
|
{
|
|
hasTrailers.RemoteTrailers.Clear();
|
|
}
|
|
}
|
|
}
|
|
|
|
private void MergeNewData(TItemType source, TIdType lookupInfo)
|
|
{
|
|
// Copy new provider id's that may have been obtained
|
|
foreach (var providerId in source.ProviderIds)
|
|
{
|
|
var key = providerId.Key;
|
|
|
|
// Don't replace existing Id's.
|
|
if (!lookupInfo.ProviderIds.ContainsKey(key))
|
|
{
|
|
lookupInfo.ProviderIds[key] = providerId.Value;
|
|
}
|
|
}
|
|
}
|
|
|
|
protected abstract void MergeData(MetadataResult<TItemType> source,
|
|
MetadataResult<TItemType> target,
|
|
List<MetadataFields> lockedFields,
|
|
bool replaceData,
|
|
bool mergeMetadataSettings);
|
|
|
|
public virtual int Order
|
|
{
|
|
get
|
|
{
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
private bool HasChanged(IHasMetadata item, IHasItemChangeMonitor changeMonitor, IDirectoryService directoryService)
|
|
{
|
|
try
|
|
{
|
|
var hasChanged = changeMonitor.HasChanged(item, directoryService);
|
|
|
|
//if (hasChanged)
|
|
//{
|
|
// Logger.Debug("{0} reports change to {1}", changeMonitor.GetType().Name, item.Path ?? item.Name);
|
|
//}
|
|
|
|
return hasChanged;
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
Logger.ErrorException("Error in {0}.HasChanged", ex, changeMonitor.GetType().Name);
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
|
|
public class RefreshResult
|
|
{
|
|
public ItemUpdateType UpdateType { get; set; }
|
|
public string ErrorMessage { get; set; }
|
|
public List<Guid> Providers { get; set; }
|
|
public int Failures { get; set; }
|
|
}
|
|
}
|