public async Task <ItemUpdateType> RefreshMetadata(IHasMetadata item, MetadataRefreshOptions refreshOptions, CancellationToken cancellationToken)
{
var itemOfType = (TItemType)item;
var config = ProviderManager.GetMetadataOptions(item);
var updateType = ItemUpdateType.None;
var requiresRefresh = false;
var libraryOptions = LibraryManager.GetLibraryOptions((BaseItem)item);
if (!requiresRefresh && libraryOptions.AutomaticRefreshIntervalDays > 0 && (DateTime.UtcNow - item.DateLastRefreshed).TotalDays >= libraryOptions.AutomaticRefreshIntervalDays)
{
requiresRefresh = true;
}
DateTime?newDateModified = null;
if (item.LocationType == LocationType.FileSystem)
{
var file = refreshOptions.DirectoryService.GetFile(item.Path);
if (file != null)
{
newDateModified = file.LastWriteTimeUtc;
if (item.EnableRefreshOnDateModifiedChange)
{
if (newDateModified != item.DateModified)
{
Logger.Debug("Date modified for {0}. Old date {1} new date {2} Id {3}", item.Path, item.DateModified, newDateModified, item.Id);
requiresRefresh = true;
}
}
if (!requiresRefresh && item.SupportsLocalMetadata)
{
var video = item as Video;
if (video != null && !video.IsPlaceHolder)
{
requiresRefresh = !video.SubtitleFiles
.SequenceEqual(SubtitleResolver.GetSubtitleFiles(video, refreshOptions.DirectoryService, FileSystem, false)
.OrderBy(i => i), StringComparer.OrdinalIgnoreCase);
}
}
}
}
if (!requiresRefresh && refreshOptions.MetadataRefreshMode != MetadataRefreshMode.None)
{
// TODO: If this returns true, should we instead just change metadata refresh mode to Full?
requiresRefresh = item.RequiresRefresh();
}
var itemImageProvider = new ItemImageProvider(Logger, ProviderManager, ServerConfigurationManager, 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 = updateType | ItemUpdateType.ImageUpdate;
}
}
catch (Exception ex)
{
localImagesFailed = true;
Logger.ErrorException("Error validating images for {0}", ex, item.Path ?? item.Name ?? "Unknown name");
}
var metadataResult = new MetadataResult <TItemType>
{
Item = itemOfType
};
bool hasRefreshedMetadata = true;
bool hasRefreshedImages = true;
var isFirstRefresh = item.DateLastRefreshed == default(DateTime);
// Next run metadata providers
if (refreshOptions.MetadataRefreshMode != MetadataRefreshMode.None)
{
var providers = GetProviders(item, refreshOptions, isFirstRefresh, requiresRefresh)
.ToList();
if (providers.Count > 0 || isFirstRefresh)
{
if (item.BeforeMetadataRefresh())
{
updateType = 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 = 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 != ImageRefreshMode.ValidationOnly)
{
var providers = GetNonLocalImageProviders(item, allImageProviders, refreshOptions).ToList();
if (providers.Count > 0)
{
var result = await itemImageProvider.RefreshImages(itemOfType, libraryOptions, providers, refreshOptions, config, cancellationToken).ConfigureAwait(false);
updateType = updateType | result.UpdateType;
if (result.Failures > 0)
{
hasRefreshedImages = false;
}
}
}
var beforeSaveResult = BeforeSave(itemOfType, isFirstRefresh || refreshOptions.ReplaceAllMetadata || refreshOptions.MetadataRefreshMode == MetadataRefreshMode.FullRefresh || requiresRefresh, updateType);
updateType = updateType | beforeSaveResult;
if (newDateModified.HasValue)
{
item.DateModified = newDateModified.Value;
}
// Save if changes were made, or it's never been saved before
if (refreshOptions.ForceSave || updateType > ItemUpdateType.None || isFirstRefresh || refreshOptions.ReplaceAllMetadata || requiresRefresh)
{
// 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 = updateType | ItemUpdateType.MetadataDownload;
}
if (hasRefreshedMetadata && hasRefreshedImages)
{
item.DateLastRefreshed = DateTime.UtcNow;
}
else
{
item.DateLastRefreshed = default(DateTime);
}
// Save to database
await SaveItem(metadataResult, libraryOptions, updateType, cancellationToken).ConfigureAwait(false);
}
await AfterMetadataRefresh(itemOfType, refreshOptions, cancellationToken).ConfigureAwait(false);
return(updateType);
}
