public async Task <RefreshResult> RefreshImages(IHasImages item, IEnumerable <IImageProvider> imageProviders, ImageRefreshOptions refreshOptions, MetadataOptions savedOptions, CancellationToken cancellationToken)
{
if (refreshOptions.IsReplacingImage(ImageType.Backdrop))
{
ClearImages(item, ImageType.Backdrop);
}
if (refreshOptions.IsReplacingImage(ImageType.Screenshot))
{
ClearImages(item, ImageType.Screenshot);
}
var result = new RefreshResult {
UpdateType = ItemUpdateType.None
};
var providers = imageProviders.ToList();
var providerIds = new List <Guid>();
// In order to avoid duplicates, only download these if there are none already
var backdropLimit = savedOptions.GetLimit(ImageType.Backdrop);
var screenshotLimit = savedOptions.GetLimit(ImageType.Screenshot);
var downloadedImages = new List <ImageType>();
foreach (var provider in providers)
{
var remoteProvider = provider as IRemoteImageProvider;
if (remoteProvider != null)
{
await RefreshFromProvider(item, remoteProvider, refreshOptions, savedOptions, backdropLimit, screenshotLimit, downloadedImages, result, cancellationToken).ConfigureAwait(false);
providerIds.Add(provider.GetType().FullName.GetMD5());
continue;
}
var dynamicImageProvider = provider as IDynamicImageProvider;
if (dynamicImageProvider != null)
{
await RefreshFromProvider(item, dynamicImageProvider, refreshOptions, savedOptions, downloadedImages, result, cancellationToken).ConfigureAwait(false);
providerIds.Add(provider.GetType().FullName.GetMD5());
}
}
result.Providers = providerIds;
return(result);
}
/// <summary>
/// Determines if an item already contains the given images
/// </summary>
/// <param name="item">The item.</param>
/// <param name="images">The images.</param>
/// <param name="savedOptions">The saved options.</param>
/// <param name="backdropLimit">The backdrop limit.</param>
/// <param name="screenshotLimit">The screenshot limit.</param>
/// <returns><c>true</c> if the specified item contains images; otherwise, <c>false</c>.</returns>
private bool ContainsImages(BaseItem item, List<ImageType> images, MetadataOptions savedOptions, int backdropLimit, int screenshotLimit)
{
if (_singularImages.Any(i => images.Contains(i) && !HasImage(item, i) && savedOptions.GetLimit(i) > 0))
{
return false;
}
if (images.Contains(ImageType.Backdrop) && item.GetImages(ImageType.Backdrop).Count() < backdropLimit)
{
return false;
}
if (images.Contains(ImageType.Screenshot) && item.GetImages(ImageType.Screenshot).Count() < screenshotLimit)
{
return false;
}
return true;
}