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			698 lines
		
	
	
		
			28 KiB
		
	
	
	
		
			C#
		
	
	
	
	
	
			
		
		
	
	
			698 lines
		
	
	
		
			28 KiB
		
	
	
	
		
			C#
		
	
	
	
	
	
| using MediaBrowser.Common.Extensions;
 | |
| using MediaBrowser.Common.IO;
 | |
| using MediaBrowser.Controller.Configuration;
 | |
| using MediaBrowser.Controller.Entities;
 | |
| using MediaBrowser.Controller.Library;
 | |
| using MediaBrowser.Controller.Providers;
 | |
| using MediaBrowser.Model.Entities;
 | |
| using MediaBrowser.Model.Logging;
 | |
| using System;
 | |
| using System.Collections.Generic;
 | |
| using System.Linq;
 | |
| using System.Threading;
 | |
| using System.Threading.Tasks;
 | |
| 
 | |
| namespace MediaBrowser.Providers.Manager
 | |
| {
 | |
|     public abstract class MetadataService<TItemType, TIdType> : IMetadataService
 | |
|         where TItemType : IHasMetadata, IHasLookupInfo<TIdType>, new()
 | |
|         where TIdType : ItemLookupInfo, new()
 | |
|     {
 | |
|         protected readonly IServerConfigurationManager ServerConfigurationManager;
 | |
|         protected readonly ILogger Logger;
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|         protected readonly IProviderManager ProviderManager;
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|         protected readonly IProviderRepository ProviderRepo;
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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, IProviderRepository providerRepo, IFileSystem fileSystem, IUserDataManager userDataManager, ILibraryManager libraryManager)
 | |
|         {
 | |
|             ServerConfigurationManager = serverConfigurationManager;
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|             Logger = logger;
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|             ProviderManager = providerManager;
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|             ProviderRepo = providerRepo;
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|             FileSystem = fileSystem;
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|             UserDataManager = userDataManager;
 | |
|             LibraryManager = libraryManager;
 | |
|         }
 | |
| 
 | |
|         /// <summary>
 | |
|         /// Saves the provider result.
 | |
|         /// </summary>
 | |
|         /// <param name="item">The item.</param>
 | |
|         /// <param name="result">The result.</param>
 | |
|         /// <param name="directoryService">The directory service.</param>
 | |
|         /// <returns>Task.</returns>
 | |
|         protected Task SaveProviderResult(TItemType item, MetadataStatus result, IDirectoryService directoryService)
 | |
|         {
 | |
|             result.ItemId = item.Id;
 | |
|             result.ItemName = item.Name;
 | |
|             result.ItemType = item.GetType().Name;
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| 
 | |
|             var series = item as IHasSeries;
 | |
| 
 | |
|             result.SeriesName = series == null ? null : series.SeriesName;
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| 
 | |
|             //var locationType = item.LocationType;
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| 
 | |
|             //if (locationType == LocationType.FileSystem || locationType == LocationType.Offline)
 | |
|             //{
 | |
|             //    if (!string.IsNullOrWhiteSpace(item.Path))
 | |
|             //    {
 | |
|             //        var file = directoryService.GetFile(item.Path);
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| 
 | |
|             //        if ((file.Attributes & FileAttributes.Directory) != FileAttributes.Directory && file.Exists)
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|             //        {
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|             //            result.ItemDateModified = FileSystem.GetLastWriteTimeUtc(file);
 | |
|             //        }
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|             //    }
 | |
|             //}
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| 
 | |
|             result.ItemDateModified = item.DateModified;
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| 
 | |
|             return ProviderRepo.SaveMetadataStatus(result, CancellationToken.None);
 | |
|         }
 | |
| 
 | |
|         /// <summary>
 | |
|         /// Gets the last result.
 | |
|         /// </summary>
 | |
|         /// <param name="item">The item.</param>
 | |
|         /// <returns>ProviderResult.</returns>
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|         protected MetadataStatus GetLastResult(IHasMetadata item)
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|         {
 | |
|             if (item.DateLastSaved == default(DateTime))
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|             {
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|                 return new MetadataStatus { ItemId = item.Id };
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|             }
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| 
 | |
|             return ProviderRepo.GetMetadataStatus(item.Id) ?? new MetadataStatus { ItemId = item.Id };
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|         }
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| 
 | |
|         public async Task<ItemUpdateType> RefreshMetadata(IHasMetadata item, MetadataRefreshOptions refreshOptions, CancellationToken cancellationToken)
 | |
|         {
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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 refreshResult = GetLastResult(item);
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|             refreshResult.LastErrorMessage = string.Empty;
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|             refreshResult.LastStatus = ProviderRefreshStatus.Success;
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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).ToList();
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| 
 | |
|             // Start by validating images
 | |
|             try
 | |
|             {
 | |
|                 // 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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|                 refreshResult.AddStatus(ProviderRefreshStatus.Failure, ex.Message);
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|             }
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| 
 | |
|             var metadataResult = new MetadataResult<TItemType>
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|             {
 | |
|                 Item = itemOfType
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|             };
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| 
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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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|                 var providers = GetProviders(item, refreshResult, refreshOptions)
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|                     .ToList();
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| 
 | |
|                 if (providers.Count > 0 || !refreshResult.DateLastMetadataRefresh.HasValue)
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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 = await CreateInitialLookupInfo(itemOfType, cancellationToken).ConfigureAwait(false);
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| 
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|                     var result = await RefreshWithProviders(metadataResult, id, refreshOptions, providers, itemImageProvider, cancellationToken).ConfigureAwait(false);
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| 
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|                     updateType = updateType | result.UpdateType;
 | |
|                     refreshResult.AddStatus(result.Status, result.ErrorMessage);
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|                     refreshResult.SetDateLastMetadataRefresh(DateTime.UtcNow);
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| 
 | |
|                     MergeIdentities(itemOfType, id);
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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, refreshResult, 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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| 
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|                     updateType = updateType | result.UpdateType;
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|                     refreshResult.AddStatus(result.Status, result.ErrorMessage);
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|                     refreshResult.SetDateLastImagesRefresh(DateTime.UtcNow);
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|                 }
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|             }
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| 
 | |
|             var beforeSaveResult = await BeforeSave(itemOfType, item.DateLastSaved == default(DateTime) || refreshOptions.ReplaceAllMetadata || refreshOptions.MetadataRefreshMode == MetadataRefreshMode.FullRefresh, updateType).ConfigureAwait(false);
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|             updateType = updateType | beforeSaveResult;
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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 || item.DateLastSaved == default(DateTime) || refreshOptions.ReplaceAllMetadata)
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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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| 
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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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| 
 | |
|             if (updateType > ItemUpdateType.None || refreshResult.IsDirty)
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|             {
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|                 await SaveProviderResult(itemOfType, refreshResult, refreshOptions.DirectoryService).ConfigureAwait(false);
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|             }
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| 
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|             await AfterMetadataRefresh(itemOfType, refreshOptions, cancellationToken).ConfigureAwait(false);
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| 
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|             return updateType;
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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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|             }
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|             await result.Item.UpdateToRepository(reason, cancellationToken).ConfigureAwait(false);
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|         }
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| 
 | |
|         private readonly Task _cachedTask = Task.FromResult(true);
 | |
|         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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| 
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|         private void MergeIdentities(TItemType item, TIdType id)
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|         {
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|             var hasIdentity = id as IHasIdentities<IItemIdentity>;
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|             if (hasIdentity != null)
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|             {
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|                 item.Identities = hasIdentity.Identities.ToList();
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|             }
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|         }
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| 
 | |
|         private readonly Task<ItemUpdateType> _cachedResult = Task.FromResult(ItemUpdateType.None);
 | |
|         /// <summary>
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|         /// Befores the save.
 | |
|         /// </summary>
 | |
|         /// <param name="item">The item.</param>
 | |
|         /// <param name="isFullRefresh">if set to <c>true</c> [is full refresh].</param>
 | |
|         /// <param name="currentUpdateType">Type of the current update.</param>
 | |
|         /// <returns>ItemUpdateType.</returns>
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|         protected virtual Task<ItemUpdateType> BeforeSave(TItemType item, bool isFullRefresh, ItemUpdateType currentUpdateType)
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|         {
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|             return _cachedResult;
 | |
|         }
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| 
 | |
|         /// <summary>
 | |
|         /// Gets the providers.
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|         /// </summary>
 | |
|         /// <param name="item">The item.</param>
 | |
|         /// <param name="status">The status.</param>
 | |
|         /// <param name="options">The options.</param>
 | |
|         /// <returns>IEnumerable{`0}.</returns>
 | |
|         protected IEnumerable<IMetadataProvider> GetProviders(IHasMetadata item, MetadataStatus status, MetadataRefreshOptions options)
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|         {
 | |
|             // Get providers to refresh
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|             var providers = ((ProviderManager)ProviderManager).GetMetadataProviders<TItemType>(item).ToList();
 | |
| 
 | |
|             // Run all if either of these flags are true
 | |
|             var runAllProviders = options.ReplaceAllMetadata || options.MetadataRefreshMode == MetadataRefreshMode.FullRefresh || !status.DateLastMetadataRefresh.HasValue;
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| 
 | |
|             if (!runAllProviders)
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|             {
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|                 // Avoid implicitly captured closure
 | |
|                 var currentItem = item;
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| 
 | |
|                 var providersWithChanges = providers
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|                     .Where(i =>
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|                     {
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|                         var hasChangeMonitor = i as IHasChangeMonitor;
 | |
|                         if (hasChangeMonitor != null)
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|                         {
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|                             return HasChanged(item, hasChangeMonitor, currentItem.DateLastSaved, options.DirectoryService);
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|                         }
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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, status, options.DirectoryService);
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|                         }
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| 
 | |
|                         return false;
 | |
|                     })
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|                     .ToList();
 | |
| 
 | |
|                 if (providersWithChanges.Count == 0)
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|                 {
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|                     providers = new List<IMetadataProvider<TItemType>>();
 | |
|                 }
 | |
|                 else
 | |
|                 {
 | |
|                     providers = providers.Where(i =>
 | |
|                     {
 | |
|                         // If any provider reports a change, always run local ones as well
 | |
|                         if (i is ILocalMetadataProvider)
 | |
|                         {
 | |
|                             return true;
 | |
|                         }
 | |
| 
 | |
|                         var anyRemoteProvidersChanged = providersWithChanges.OfType<IRemoteMetadataProvider>()
 | |
|                             .Any();
 | |
| 
 | |
|                         // If any remote providers changed, run them all so that priorities can be honored
 | |
|                         if (i is IRemoteMetadataProvider)
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|                         {
 | |
|                             return anyRemoteProvidersChanged;
 | |
|                         }
 | |
| 
 | |
|                         // Run custom providers if they report a change or any remote providers change
 | |
|                         return anyRemoteProvidersChanged || providersWithChanges.Contains(i);
 | |
| 
 | |
|                     }).ToList();
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|                 }
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|             }
 | |
| 
 | |
|             return providers;
 | |
|         }
 | |
| 
 | |
|         protected virtual IEnumerable<IImageProvider> GetNonLocalImageProviders(IHasMetadata item, IEnumerable<IImageProvider> allImageProviders, MetadataStatus status, ImageRefreshOptions options)
 | |
|         {
 | |
|             // Get providers to refresh
 | |
|             var providers = allImageProviders.Where(i => !(i is ILocalImageProvider)).ToList();
 | |
| 
 | |
|             // Run all if either of these flags are true
 | |
|             var runAllProviders = options.ImageRefreshMode == ImageRefreshMode.FullRefresh || !status.DateLastImagesRefresh.HasValue;
 | |
| 
 | |
|             if (!runAllProviders)
 | |
|             {
 | |
|                 providers = providers
 | |
|                     .Where(i =>
 | |
|                     {
 | |
|                         var hasChangeMonitor = i as IHasChangeMonitor;
 | |
|                         if (hasChangeMonitor != null)
 | |
|                         {
 | |
|                             return HasChanged(item, hasChangeMonitor, status.DateLastImagesRefresh.Value, options.DirectoryService);
 | |
|                         }
 | |
| 
 | |
|                         var hasFileChangeMonitor = i as IHasItemChangeMonitor;
 | |
|                         if (hasFileChangeMonitor != null)
 | |
|                         {
 | |
|                             return HasChanged(item, hasFileChangeMonitor, status, options.DirectoryService);
 | |
|                         }
 | |
| 
 | |
|                         return false;
 | |
|                     })
 | |
|                     .ToList();
 | |
|             }
 | |
| 
 | |
|             return providers;
 | |
|         }
 | |
| 
 | |
|         public bool CanRefresh(IHasMetadata item)
 | |
|         {
 | |
|             return item is TItemType;
 | |
|         }
 | |
| 
 | |
|         protected virtual async Task<RefreshResult> RefreshWithProviders(MetadataResult<TItemType> metadata,
 | |
|             TIdType id,
 | |
|             MetadataRefreshOptions options,
 | |
|             List<IMetadataProvider> providers,
 | |
|             ItemImageProvider imageService,
 | |
|             CancellationToken cancellationToken)
 | |
|         {
 | |
|             var refreshResult = new RefreshResult
 | |
|             {
 | |
|                 UpdateType = ItemUpdateType.None,
 | |
|                 Providers = providers.Select(i => i.GetType().FullName.GetMD5()).ToList()
 | |
|             };
 | |
| 
 | |
|             var item = metadata.Item;
 | |
| 
 | |
|             var customProviders = providers.OfType<ICustomMetadataProvider<TItemType>>().ToList();
 | |
|             var logName = item.LocationType == LocationType.Remote ? item.Name ?? item.Path : item.Path ?? item.Name;
 | |
| 
 | |
|             foreach (var provider in customProviders.Where(i => i is IPreRefreshProvider))
 | |
|             {
 | |
|                 await RunCustomProvider(provider, item, logName, options, refreshResult, cancellationToken).ConfigureAwait(false);
 | |
|             }
 | |
| 
 | |
|             var temp = new MetadataResult<TItemType>
 | |
|             {
 | |
|                 Item = CreateNew()
 | |
|             };
 | |
|             temp.Item.Path = item.Path;
 | |
|             var successfulProviderCount = 0;
 | |
|             var failedProviderCount = 0;
 | |
| 
 | |
|             var userDataList = new List<UserItemData>();
 | |
| 
 | |
|             // If replacing all metadata, run internet providers first
 | |
|             if (options.ReplaceAllMetadata)
 | |
|             {
 | |
|                 var remoteResult = await ExecuteRemoteProviders(temp, logName, id, providers.OfType<IRemoteMetadataProvider<TItemType, TIdType>>(), cancellationToken)
 | |
|                     .ConfigureAwait(false);
 | |
| 
 | |
|                 refreshResult.UpdateType = refreshResult.UpdateType | remoteResult.UpdateType;
 | |
|                 refreshResult.Status = remoteResult.Status;
 | |
|                 refreshResult.ErrorMessage = remoteResult.ErrorMessage;
 | |
|                 successfulProviderCount += remoteResult.Successes;
 | |
|                 failedProviderCount += remoteResult.Failures;
 | |
|             }
 | |
| 
 | |
|             var hasLocalMetadata = false;
 | |
| 
 | |
|             foreach (var provider in providers.OfType<ILocalMetadataProvider<TItemType>>().ToList())
 | |
|             {
 | |
|                 var providerName = provider.GetType().Name;
 | |
|                 Logger.Debug("Running {0} for {1}", providerName, logName);
 | |
| 
 | |
|                 var itemInfo = new ItemInfo(item);
 | |
| 
 | |
|                 try
 | |
|                 {
 | |
|                     var localItem = await provider.GetMetadata(itemInfo, options.DirectoryService, cancellationToken).ConfigureAwait(false);
 | |
| 
 | |
|                     if (localItem.HasMetadata)
 | |
|                     {
 | |
|                         if (imageService.MergeImages(item, localItem.Images))
 | |
|                         {
 | |
|                             refreshResult.UpdateType = refreshResult.UpdateType | ItemUpdateType.ImageUpdate;
 | |
|                         }
 | |
| 
 | |
|                         if (localItem.UserDataList != null)
 | |
|                         {
 | |
|                             userDataList.AddRange(localItem.UserDataList);
 | |
|                         }
 | |
| 
 | |
|                         MergeData(localItem, temp, new List<MetadataFields>(), !options.ReplaceAllMetadata, true);
 | |
|                         refreshResult.UpdateType = refreshResult.UpdateType | ItemUpdateType.MetadataImport;
 | |
| 
 | |
|                         // Only one local provider allowed per item
 | |
|                         if (IsFullLocalMetadata(localItem.Item))
 | |
|                         {
 | |
|                             hasLocalMetadata = true;
 | |
|                         }
 | |
|                         successfulProviderCount++;
 | |
|                         break;
 | |
|                     }
 | |
| 
 | |
|                     Logger.Debug("{0} returned no metadata for {1}", providerName, logName);
 | |
|                 }
 | |
|                 catch (OperationCanceledException)
 | |
|                 {
 | |
|                     throw;
 | |
|                 }
 | |
|                 catch (Exception ex)
 | |
|                 {
 | |
|                     failedProviderCount++;
 | |
| 
 | |
|                     Logger.ErrorException("Error in {0}", ex, provider.Name);
 | |
| 
 | |
|                     // If a local provider fails, consider that a failure
 | |
|                     refreshResult.Status = ProviderRefreshStatus.Failure;
 | |
|                     refreshResult.ErrorMessage = ex.Message;
 | |
| 
 | |
|                     if (options.MetadataRefreshMode != MetadataRefreshMode.FullRefresh)
 | |
|                     {
 | |
|                         // If the local provider fails don't continue with remote providers because the user's saved metadata could be lost
 | |
|                         return refreshResult;
 | |
|                     }
 | |
|                 }
 | |
|             }
 | |
| 
 | |
|             // Local metadata is king - if any is found don't run remote providers
 | |
|             if (!options.ReplaceAllMetadata && (!hasLocalMetadata || options.MetadataRefreshMode == MetadataRefreshMode.FullRefresh))
 | |
|             {
 | |
|                 var remoteResult = await ExecuteRemoteProviders(temp, logName, id, providers.OfType<IRemoteMetadataProvider<TItemType, TIdType>>(), cancellationToken)
 | |
|                     .ConfigureAwait(false);
 | |
| 
 | |
|                 refreshResult.UpdateType = refreshResult.UpdateType | remoteResult.UpdateType;
 | |
|                 if (remoteResult.Status != ProviderRefreshStatus.Success)
 | |
|                 {
 | |
|                     refreshResult.Status = remoteResult.Status;
 | |
|                     refreshResult.ErrorMessage = remoteResult.ErrorMessage;
 | |
|                 }
 | |
|                 successfulProviderCount += remoteResult.Successes;
 | |
|             }
 | |
| 
 | |
|             if (providers.Any(i => !(i is ICustomMetadataProvider)))
 | |
|             {
 | |
|                 if (refreshResult.UpdateType > ItemUpdateType.None)
 | |
|                 {
 | |
|                     // If no local metadata, take data from item itself
 | |
|                     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;
 | |
| 
 | |
|             if (item.IsUnidentified != isUnidentified)
 | |
|             {
 | |
|                 item.IsUnidentified = isUnidentified;
 | |
|                 refreshResult.UpdateType = refreshResult.UpdateType | ItemUpdateType.MetadataImport;
 | |
|             }
 | |
| 
 | |
|             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.Status = ProviderRefreshStatus.Failure;
 | |
|                 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;
 | |
| 
 | |
|                         refreshResult.Successes++;
 | |
|                     }
 | |
|                     else
 | |
|                     {
 | |
|                         refreshResult.Failures++;
 | |
|                         Logger.Debug("{0} returned no metadata for {1}", providerName, logName);
 | |
|                     }
 | |
|                 }
 | |
|                 catch (OperationCanceledException)
 | |
|                 {
 | |
|                     throw;
 | |
|                 }
 | |
|                 catch (Exception ex)
 | |
|                 {
 | |
|                     refreshResult.Failures++;
 | |
|                     refreshResult.Status = ProviderRefreshStatus.CompletedWithErrors;
 | |
|                     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 async Task<TIdType> CreateInitialLookupInfo(TItemType item, CancellationToken cancellationToken)
 | |
|         {
 | |
|             var info = item.GetLookupInfo();
 | |
| 
 | |
|             var hasIdentity = info as IHasIdentities<IItemIdentity>;
 | |
|             if (hasIdentity != null)
 | |
|             {
 | |
|                 try
 | |
|                 {
 | |
|                     await hasIdentity.FindIdentities(ProviderManager, cancellationToken).ConfigureAwait(false);
 | |
|                 }
 | |
|                 catch (Exception ex)
 | |
|                 {
 | |
|                     Logger.ErrorException("Error in identity providers", ex);
 | |
|                 }
 | |
|             }
 | |
| 
 | |
|             return info;
 | |
|         }
 | |
| 
 | |
|         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, MetadataStatus status, IDirectoryService directoryService)
 | |
|         {
 | |
|             try
 | |
|             {
 | |
|                 return changeMonitor.HasChanged(item, status, directoryService);
 | |
|             }
 | |
|             catch (Exception ex)
 | |
|             {
 | |
|                 Logger.ErrorException("Error in {0}.HasChanged", ex, changeMonitor.GetType().Name);
 | |
|                 return false;
 | |
|             }
 | |
|         }
 | |
| 
 | |
|         private bool HasChanged(IHasMetadata item, IHasChangeMonitor changeMonitor, DateTime date, IDirectoryService directoryService)
 | |
|         {
 | |
|             try
 | |
|             {
 | |
|                 return changeMonitor.HasChanged(item, directoryService, date);
 | |
|             }
 | |
|             catch (Exception ex)
 | |
|             {
 | |
|                 Logger.ErrorException("Error in {0}.HasChanged", ex, changeMonitor.GetType().Name);
 | |
|                 return false;
 | |
|             }
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     public class RefreshResult
 | |
|     {
 | |
|         public ItemUpdateType UpdateType { get; set; }
 | |
|         public ProviderRefreshStatus Status { get; set; }
 | |
|         public string ErrorMessage { get; set; }
 | |
|         public List<Guid> Providers { get; set; }
 | |
|         public int Successes { get; set; }
 | |
|         public int Failures { get; set; }
 | |
|     }
 | |
| }
 |