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jellyfin/MediaBrowser.Providers/Manager/MetadataService.cs

912 lines
35 KiB

#pragma warning disable CS1591
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.Providers;
using MediaBrowser.Model.Configuration;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.IO;
using MediaBrowser.Model.Providers;
using Microsoft.Extensions.Logging;
namespace MediaBrowser.Providers.Manager
{
public abstract class MetadataService<TItemType, TIdType> : IMetadataService
where TItemType : BaseItem, IHasLookupInfo<TIdType>, new()
where TIdType : ItemLookupInfo, new()
{
protected MetadataService(IServerConfigurationManager serverConfigurationManager, ILogger<MetadataService<TItemType, TIdType>> logger, IProviderManager providerManager, IFileSystem fileSystem, ILibraryManager libraryManager)
{
ServerConfigurationManager = serverConfigurationManager;
Logger = logger;
ProviderManager = providerManager;
FileSystem = fileSystem;
LibraryManager = libraryManager;
}
protected IServerConfigurationManager ServerConfigurationManager { get; }
protected ILogger<MetadataService<TItemType, TIdType>> Logger { get; }
protected IProviderManager ProviderManager { get; }
protected IFileSystem FileSystem { get; }
protected ILibraryManager LibraryManager { get; }
protected virtual bool EnableUpdatingPremiereDateFromChildren => false;
protected virtual bool EnableUpdatingGenresFromChildren => false;
protected virtual bool EnableUpdatingStudiosFromChildren => false;
protected virtual bool EnableUpdatingOfficialRatingFromChildren => false;
public virtual int Order => 0;
private FileSystemMetadata TryGetFile(string path, IDirectoryService directoryService)
{
try
{
return directoryService.GetFile(path);
}
catch (Exception ex)
{
Logger.LogError(ex, "Error getting file {Path}", path);
return null;
}
}
public async Task<ItemUpdateType> RefreshMetadata(BaseItem item, MetadataRefreshOptions refreshOptions, CancellationToken cancellationToken)
{
var itemOfType = (TItemType)item;
var updateType = ItemUpdateType.None;
var requiresRefresh = false;
var libraryOptions = LibraryManager.GetLibraryOptions(item);
if (!requiresRefresh && libraryOptions.AutomaticRefreshIntervalDays > 0 && (DateTime.UtcNow - item.DateLastRefreshed).TotalDays >= libraryOptions.AutomaticRefreshIntervalDays)
{
requiresRefresh = true;
}
if (!requiresRefresh && refreshOptions.MetadataRefreshMode != MetadataRefreshMode.None)
{
// TODO: If this returns true, should we instead just change metadata refresh mode to Full?
requiresRefresh = item.RequiresRefresh();
if (requiresRefresh)
{
Logger.LogDebug("Refreshing {0} {1} because item.RequiresRefresh() returned true", typeof(TItemType).Name, item.Path ?? item.Name);
}
}
var itemImageProvider = new ItemImageProvider(Logger, ProviderManager, FileSystem);
var localImagesFailed = false;
var allImageProviders = ((ProviderManager)ProviderManager).GetImageProviders(item, refreshOptions).ToList();
// Start by validating images
try
{
// Always validate images and check for new locally stored ones.
if (itemImageProvider.ValidateImages(item, allImageProviders.OfType<ILocalImageProvider>(), refreshOptions.DirectoryService))
{
updateType |= ItemUpdateType.ImageUpdate;
}
}
catch (Exception ex)
{
localImagesFailed = true;
Logger.LogError(ex, "Error validating images for {0}", item.Path ?? item.Name ?? "Unknown name");
}
var metadataResult = new MetadataResult<TItemType>
{
Item = itemOfType
};
bool hasRefreshedMetadata = true;
bool hasRefreshedImages = true;
var isFirstRefresh = item.DateLastRefreshed == default;
// Next run metadata providers
if (refreshOptions.MetadataRefreshMode != MetadataRefreshMode.None)
{
var providers = GetProviders(item, libraryOptions, refreshOptions, isFirstRefresh, requiresRefresh)
.ToList();
if (providers.Count > 0 || isFirstRefresh || requiresRefresh)
{
if (item.BeforeMetadataRefresh(refreshOptions.ReplaceAllMetadata))
{
updateType |= ItemUpdateType.MetadataImport;
}
}
if (providers.Count > 0)
{
var id = itemOfType.GetLookupInfo();
if (refreshOptions.SearchResult != null)
{
ApplySearchResult(id, refreshOptions.SearchResult);
}
// await FindIdentities(id, cancellationToken).ConfigureAwait(false);
id.IsAutomated = refreshOptions.IsAutomated;
var result = await RefreshWithProviders(metadataResult, id, refreshOptions, providers, itemImageProvider, cancellationToken).ConfigureAwait(false);
updateType |= result.UpdateType;
if (result.Failures > 0)
{
hasRefreshedMetadata = false;
}
}
}
// Next run remote image providers, but only if local image providers didn't throw an exception
if (!localImagesFailed && refreshOptions.ImageRefreshMode != MetadataRefreshMode.ValidationOnly)
{
var providers = GetNonLocalImageProviders(item, allImageProviders, refreshOptions).ToList();
if (providers.Count > 0)
{
var result = await itemImageProvider.RefreshImages(itemOfType, libraryOptions, providers, refreshOptions, cancellationToken).ConfigureAwait(false);
updateType |= result.UpdateType;
if (result.Failures > 0)
{
hasRefreshedImages = false;
}
}
}
var beforeSaveResult = BeforeSave(itemOfType, isFirstRefresh || refreshOptions.ReplaceAllMetadata || refreshOptions.MetadataRefreshMode == MetadataRefreshMode.FullRefresh || requiresRefresh || refreshOptions.ForceSave, updateType);
updateType |= beforeSaveResult;
// Save if changes were made, or it's never been saved before
if (refreshOptions.ForceSave || updateType > ItemUpdateType.None || isFirstRefresh || refreshOptions.ReplaceAllMetadata || requiresRefresh)
{
if (item.IsFileProtocol)
{
var file = TryGetFile(item.Path, refreshOptions.DirectoryService);
if (file != null)
{
item.DateModified = file.LastWriteTimeUtc;
}
}
// If any of these properties are set then make sure the updateType is not None, just to force everything to save
if (refreshOptions.ForceSave || refreshOptions.ReplaceAllMetadata)
{
updateType |= ItemUpdateType.MetadataDownload;
}
if (hasRefreshedMetadata && hasRefreshedImages)
{
item.DateLastRefreshed = DateTime.UtcNow;
}
else
{
item.DateLastRefreshed = default;
}
// Save to database
await SaveItemAsync(metadataResult, libraryOptions, updateType, cancellationToken).ConfigureAwait(false);
}
await AfterMetadataRefresh(itemOfType, refreshOptions, cancellationToken).ConfigureAwait(false);
return updateType;
}
private void ApplySearchResult(ItemLookupInfo lookupInfo, RemoteSearchResult result)
{
lookupInfo.ProviderIds = result.ProviderIds;
lookupInfo.Name = result.Name;
lookupInfo.Year = result.ProductionYear;
}
protected async Task SaveItemAsync(MetadataResult<TItemType> result, LibraryOptions libraryOptions, ItemUpdateType reason, CancellationToken cancellationToken)
{
if (result.Item.SupportsPeople && result.People != null)
{
var baseItem = result.Item;
LibraryManager.UpdatePeople(baseItem, result.People);
await SavePeopleMetadataAsync(result.People, libraryOptions, cancellationToken).ConfigureAwait(false);
}
await result.Item.UpdateToRepositoryAsync(reason, cancellationToken).ConfigureAwait(false);
}
private Task SavePeopleMetadataAsync(List<PersonInfo> people, LibraryOptions libraryOptions, CancellationToken cancellationToken)
{
var personsToSave = new List<BaseItem>();
foreach (var person in people)
{
cancellationToken.ThrowIfCancellationRequested();
if (person.ProviderIds.Count > 0 || !string.IsNullOrWhiteSpace(person.ImageUrl))
{
var saveEntity = false;
var personEntity = LibraryManager.GetPerson(person.Name);
foreach (var id in person.ProviderIds)
{
if (!string.Equals(personEntity.GetProviderId(id.Key), id.Value, StringComparison.OrdinalIgnoreCase))
{
personEntity.SetProviderId(id.Key, id.Value);
saveEntity = true;
}
}
if (!string.IsNullOrWhiteSpace(person.ImageUrl) && !personEntity.HasImage(ImageType.Primary))
{
personEntity.SetImage(
new ItemImageInfo
{
Path = person.ImageUrl,
Type = ImageType.Primary
},
0);
saveEntity = true;
}
if (saveEntity)
{
personsToSave.Add(personEntity);
}
}
}
LibraryManager.RunMetadataSavers(personsToSave, ItemUpdateType.MetadataDownload);
LibraryManager.CreateItems(personsToSave, null, CancellationToken.None);
return Task.CompletedTask;
}
protected virtual Task AfterMetadataRefresh(TItemType item, MetadataRefreshOptions refreshOptions, CancellationToken cancellationToken)
{
item.AfterMetadataRefresh();
return Task.CompletedTask;
}
/// <summary>
/// Before 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>
private ItemUpdateType BeforeSave(TItemType item, bool isFullRefresh, ItemUpdateType currentUpdateType)
{
var updateType = BeforeSaveInternal(item, isFullRefresh, currentUpdateType);
updateType |= item.OnMetadataChanged();
return updateType;
}
protected virtual ItemUpdateType BeforeSaveInternal(TItemType item, bool isFullRefresh, ItemUpdateType updateType)
{
if (EnableUpdateMetadataFromChildren(item, isFullRefresh, updateType))
{
if (isFullRefresh || updateType > ItemUpdateType.None)
{
var children = GetChildrenForMetadataUpdates(item);
updateType = UpdateMetadataFromChildren(item, children, isFullRefresh, updateType);
}
}
var presentationUniqueKey = item.CreatePresentationUniqueKey();
if (!string.Equals(item.PresentationUniqueKey, presentationUniqueKey, StringComparison.Ordinal))
{
item.PresentationUniqueKey = presentationUniqueKey;
updateType |= ItemUpdateType.MetadataImport;
}
return updateType;
}
protected virtual bool EnableUpdateMetadataFromChildren(TItemType item, bool isFullRefresh, ItemUpdateType currentUpdateType)
{
if (isFullRefresh || currentUpdateType > ItemUpdateType.None)
{
if (EnableUpdatingPremiereDateFromChildren || EnableUpdatingGenresFromChildren || EnableUpdatingStudiosFromChildren || EnableUpdatingOfficialRatingFromChildren)
{
return true;
}
var folder = item as Folder;
if (folder != null)
{
return folder.SupportsDateLastMediaAdded || folder.SupportsCumulativeRunTimeTicks;
}
}
return false;
}
protected virtual IList<BaseItem> GetChildrenForMetadataUpdates(TItemType item)
{
if (item is Folder folder)
{
return folder.GetRecursiveChildren();
}
return Array.Empty<BaseItem>();
}
protected virtual ItemUpdateType UpdateMetadataFromChildren(TItemType item, IList<BaseItem> children, bool isFullRefresh, ItemUpdateType currentUpdateType)
{
var updateType = ItemUpdateType.None;
if (isFullRefresh || currentUpdateType > ItemUpdateType.None)
{
updateType |= UpdateCumulativeRunTimeTicks(item, children);
updateType |= UpdateDateLastMediaAdded(item, children);
if (EnableUpdatingPremiereDateFromChildren)
{
updateType |= UpdatePremiereDate(item, children);
}
if (EnableUpdatingGenresFromChildren)
{
updateType |= UpdateGenres(item, children);
}
if (EnableUpdatingStudiosFromChildren)
{
updateType |= UpdateStudios(item, children);
}
if (EnableUpdatingOfficialRatingFromChildren)
{
updateType |= UpdateOfficialRating(item, children);
}
}
return updateType;
}
private ItemUpdateType UpdateCumulativeRunTimeTicks(TItemType item, IList<BaseItem> children)
{
var folder = item as Folder;
if (folder != null && folder.SupportsCumulativeRunTimeTicks)
{
long ticks = 0;
foreach (var child in children)
{
if (!child.IsFolder)
{
ticks += child.RunTimeTicks ?? 0;
}
}
if (!folder.RunTimeTicks.HasValue || folder.RunTimeTicks.Value != ticks)
{
folder.RunTimeTicks = ticks;
return ItemUpdateType.MetadataEdit;
}
}
return ItemUpdateType.None;
}
private ItemUpdateType UpdateDateLastMediaAdded(TItemType item, IList<BaseItem> children)
{
var updateType = ItemUpdateType.None;
var folder = item as Folder;
if (folder != null && folder.SupportsDateLastMediaAdded)
{
var dateLastMediaAdded = DateTime.MinValue;
var any = false;
foreach (var child in children)
{
if (!child.IsFolder)
{
var childDateCreated = child.DateCreated;
if (childDateCreated > dateLastMediaAdded)
{
dateLastMediaAdded = childDateCreated;
}
any = true;
}
}
if ((!folder.DateLastMediaAdded.HasValue && any) || folder.DateLastMediaAdded != dateLastMediaAdded)
{
folder.DateLastMediaAdded = dateLastMediaAdded;
updateType = ItemUpdateType.MetadataImport;
}
}
return updateType;
}
private ItemUpdateType UpdatePremiereDate(TItemType item, IList<BaseItem> children)
{
var updateType = ItemUpdateType.None;
if (children.Count == 0)
{
return updateType;
}
var date = children.Select(i => i.PremiereDate ?? DateTime.MaxValue).Min();
var originalPremiereDate = item.PremiereDate;
var originalProductionYear = item.ProductionYear;
if (date > DateTime.MinValue && date < DateTime.MaxValue)
{
item.PremiereDate = date;
item.ProductionYear = date.Year;
}
else
{
var year = children.Select(i => i.ProductionYear ?? 0).Min();
if (year > 0)
{
item.ProductionYear = year;
}
}
if ((originalPremiereDate ?? DateTime.MinValue) != (item.PremiereDate ?? DateTime.MinValue) ||
(originalProductionYear ?? -1) != (item.ProductionYear ?? -1))
{
updateType = updateType | ItemUpdateType.MetadataEdit;
}
return updateType;
}
private ItemUpdateType UpdateGenres(TItemType item, IList<BaseItem> children)
{
var updateType = ItemUpdateType.None;
if (!item.LockedFields.Contains(MetadataField.Genres))
{
var currentList = item.Genres;
item.Genres = children.SelectMany(i => i.Genres)
.Distinct(StringComparer.OrdinalIgnoreCase)
.ToArray();
if (currentList.Length != item.Genres.Length || !currentList.OrderBy(i => i).SequenceEqual(item.Genres.OrderBy(i => i), StringComparer.OrdinalIgnoreCase))
{
updateType = updateType | ItemUpdateType.MetadataEdit;
}
}
return updateType;
}
private ItemUpdateType UpdateStudios(TItemType item, IList<BaseItem> children)
{
var updateType = ItemUpdateType.None;
if (!item.LockedFields.Contains(MetadataField.Studios))
{
var currentList = item.Studios;
item.Studios = children.SelectMany(i => i.Studios)
.Distinct(StringComparer.OrdinalIgnoreCase)
.ToArray();
if (currentList.Length != item.Studios.Length || !currentList.OrderBy(i => i).SequenceEqual(item.Studios.OrderBy(i => i), StringComparer.OrdinalIgnoreCase))
{
updateType = updateType | ItemUpdateType.MetadataEdit;
}
}
return updateType;
}
private ItemUpdateType UpdateOfficialRating(TItemType item, IList<BaseItem> children)
{
var updateType = ItemUpdateType.None;
if (!item.LockedFields.Contains(MetadataField.OfficialRating))
{
if (item.UpdateRatingToItems(children))
{
updateType = updateType | ItemUpdateType.MetadataEdit;
}
}
return updateType;
}
/// <summary>
/// Gets the providers.
/// </summary>
/// <returns>IEnumerable{`0}.</returns>
protected IEnumerable<IMetadataProvider> GetProviders(BaseItem item, LibraryOptions libraryOptions, MetadataRefreshOptions options, bool isFirstRefresh, bool requiresRefresh)
{
// Get providers to refresh
var providers = ((ProviderManager)ProviderManager).GetMetadataProviders<TItemType>(item, libraryOptions).ToList();
var metadataRefreshMode = options.MetadataRefreshMode;
// Run all if either of these flags are true
var runAllProviders = options.ReplaceAllMetadata ||
metadataRefreshMode == MetadataRefreshMode.FullRefresh ||
(isFirstRefresh && metadataRefreshMode >= MetadataRefreshMode.Default) ||
(requiresRefresh && metadataRefreshMode >= MetadataRefreshMode.Default);
if (!runAllProviders)
{
var providersWithChanges = providers
.Where(i =>
{
if (i is IHasItemChangeMonitor hasFileChangeMonitor)
{
return HasChanged(item, hasFileChangeMonitor, options.DirectoryService);
}
return false;
})
.ToList();
if (providersWithChanges.Count == 0)
{
providers = new List<IMetadataProvider<TItemType>>();
}
else
{
var anyRemoteProvidersChanged = providersWithChanges.OfType<IRemoteMetadataProvider>()
.Any();
var anyLocalProvidersChanged = providersWithChanges.OfType<ILocalMetadataProvider>()
.Any();
var anyLocalPreRefreshProvidersChanged = providersWithChanges.OfType<IPreRefreshProvider>()
.Any();
providers = providers.Where(i =>
{
// If any provider reports a change, always run local ones as well
if (i is ILocalMetadataProvider)
{
return anyRemoteProvidersChanged || anyLocalProvidersChanged || anyLocalPreRefreshProvidersChanged;
}
// If any remote providers changed, run them all so that priorities can be honored
if (i is IRemoteMetadataProvider)
{
if (options.MetadataRefreshMode == MetadataRefreshMode.ValidationOnly)
{
return false;
}
return anyRemoteProvidersChanged;
}
// Run custom refresh providers if they report a change or any remote providers change
return anyRemoteProvidersChanged || providersWithChanges.Contains(i);
}).ToList();
}
}
return providers;
}
protected virtual IEnumerable<IImageProvider> GetNonLocalImageProviders(BaseItem item, IEnumerable<IImageProvider> allImageProviders, ImageRefreshOptions options)
{
// Get providers to refresh
var providers = allImageProviders.Where(i => !(i is ILocalImageProvider)).ToList();
var dateLastImageRefresh = item.DateLastRefreshed;
// Run all if either of these flags are true
var runAllProviders = options.ImageRefreshMode == MetadataRefreshMode.FullRefresh || dateLastImageRefresh == default(DateTime);
if (!runAllProviders)
{
providers = providers
.Where(i =>
{
var hasFileChangeMonitor = i as IHasItemChangeMonitor;
if (hasFileChangeMonitor != null)
{
return HasChanged(item, hasFileChangeMonitor, options.DirectoryService);
}
return false;
})
.ToList();
}
return providers;
}
public bool CanRefresh(BaseItem item)
{
return item is TItemType;
}
public bool CanRefreshPrimary(Type type)
{
return type == typeof(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
};
var item = metadata.Item;
var customProviders = providers.OfType<ICustomMetadataProvider<TItemType>>().ToList();
var logName = !item.IsFileProtocol ? 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 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.ErrorMessage = remoteResult.ErrorMessage;
refreshResult.Failures += remoteResult.Failures;
}
var hasLocalMetadata = false;
foreach (var provider in providers.OfType<ILocalMetadataProvider<TItemType>>().ToList())
{
var providerName = provider.GetType().Name;
Logger.LogDebug("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, Array.Empty<MetadataField>(), !options.ReplaceAllMetadata, true);
refreshResult.UpdateType = refreshResult.UpdateType | ItemUpdateType.MetadataImport;
// Only one local provider allowed per item
if (item.IsLocked || localItem.Item.IsLocked || IsFullLocalMetadata(localItem.Item))
{
hasLocalMetadata = true;
}
break;
}
Logger.LogDebug("{0} returned no metadata for {1}", providerName, logName);
}
catch (OperationCanceledException)
{
throw;
}
catch (Exception ex)
{
Logger.LogError(ex, "Error in {provider}", provider.Name);
// If a local provider fails, consider that a failure
refreshResult.ErrorMessage = ex.Message;
}
}
// Local metadata is king - if any is found don't run remote providers
if (!options.ReplaceAllMetadata && (!hasLocalMetadata || options.MetadataRefreshMode == MetadataRefreshMode.FullRefresh || !item.StopRefreshIfLocalMetadataFound))
{
var remoteResult = await ExecuteRemoteProviders(temp, logName, id, providers.OfType<IRemoteMetadataProvider<TItemType, TIdType>>(), cancellationToken)
.ConfigureAwait(false);
refreshResult.UpdateType = refreshResult.UpdateType | remoteResult.UpdateType;
refreshResult.ErrorMessage = remoteResult.ErrorMessage;
refreshResult.Failures += remoteResult.Failures;
}
if (providers.Any(i => !(i is ICustomMetadataProvider)))
{
if (refreshResult.UpdateType > ItemUpdateType.None)
{
if (hasLocalMetadata)
{
MergeData(temp, metadata, item.LockedFields, true, true);
}
else
{
// 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, Array.Empty<MetadataField>(), false, false);
MergeData(temp, metadata, item.LockedFields, true, false);
}
}
}
// 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);
}
// ImportUserData(item, userDataList, cancellationToken);
return refreshResult;
}
protected virtual bool IsFullLocalMetadata(TItemType item)
{
if (string.IsNullOrWhiteSpace(item.Name))
{
return false;
}
return true;
}
private async Task RunCustomProvider(ICustomMetadataProvider<TItemType> provider, TItemType item, string logName, MetadataRefreshOptions options, RefreshResult refreshResult, CancellationToken cancellationToken)
{
Logger.LogDebug("Running {0} for {1}", provider.GetType().Name, logName);
try
{
refreshResult.UpdateType |= await provider.FetchAsync(item, options, cancellationToken).ConfigureAwait(false);
}
catch (OperationCanceledException)
{
throw;
}
catch (Exception ex)
{
refreshResult.ErrorMessage = ex.Message;
Logger.LogError(ex, "Error in {provider}", 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();
var tmpDataMerged = false;
foreach (var provider in providers)
{
var providerName = provider.GetType().Name;
Logger.LogDebug("Running {0} for {1}", providerName, logName);
if (id != null && !tmpDataMerged)
{
MergeNewData(temp.Item, id);
tmpDataMerged = true;
}
try
{
var result = await provider.GetMetadata(id, cancellationToken).ConfigureAwait(false);
if (result.HasMetadata)
{
result.Provider = provider.Name;
MergeData(result, temp, Array.Empty<MetadataField>(), false, false);
MergeNewData(temp.Item, id);
refreshResult.UpdateType = refreshResult.UpdateType | ItemUpdateType.MetadataDownload;
}
else
{
Logger.LogDebug("{0} returned no metadata for {1}", providerName, logName);
}
}
catch (OperationCanceledException)
{
throw;
}
catch (Exception ex)
{
refreshResult.Failures++;
refreshResult.ErrorMessage = ex.Message;
Logger.LogError(ex, "Error in {provider}", provider.Name);
}
}
return refreshResult;
}
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,
MetadataField[] lockedFields,
bool replaceData,
bool mergeMetadataSettings);
private bool HasChanged(BaseItem item, IHasItemChangeMonitor changeMonitor, IDirectoryService directoryService)
{
try
{
var hasChanged = changeMonitor.HasChanged(item, directoryService);
if (hasChanged)
{
Logger.LogDebug("{0} reports change to {1}", changeMonitor.GetType().Name, item.Path ?? item.Name);
}
return hasChanged;
}
catch (Exception ex)
{
Logger.LogError(ex, "Error in {0}.HasChanged", changeMonitor.GetType().Name);
return false;
}
}
}
}