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using System.Collections.Generic;
using System.Linq;
using Emby.Server.Implementations.Images;
using MediaBrowser.Common.Configuration;
using MediaBrowser.Controller.Drawing;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Entities.Audio;
using MediaBrowser.Controller.Entities.Movies;
using MediaBrowser.Controller.Entities.TV;
using MediaBrowser.Controller.Providers;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.IO;
namespace Emby.Server.Implementations.Collections
{
/// <summary>
/// A collection image provider.
/// </summary>
public class CollectionImageProvider : BaseDynamicImageProvider<BoxSet>
{
/// <summary>
/// Initializes a new instance of the <see cref="CollectionImageProvider"/> class.
/// </summary>
/// <param name="fileSystem">The filesystem.</param>
/// <param name="providerManager">The provider manager.</param>
/// <param name="applicationPaths">The application paths.</param>
/// <param name="imageProcessor">The image processor.</param>
public CollectionImageProvider(
IFileSystem fileSystem,
IProviderManager providerManager,
IApplicationPaths applicationPaths,
IImageProcessor imageProcessor)
: base(fileSystem, providerManager, applicationPaths, imageProcessor)
{
}
/// <inheritdoc />
protected override bool Supports(BaseItem item)
{
// Right now this is the only way to prevent this image from getting created ahead of internet image providers
if (!item.IsLocked)
{
return false;
}
return base.Supports(item);
}
/// <inheritdoc />
protected override IReadOnlyList<BaseItem> GetItemsWithImages(BaseItem item)
{
var playlist = (BoxSet)item;
return playlist.Children.Concat(playlist.GetLinkedChildren())
.Select(i =>
{
var subItem = i;
var episode = subItem as Episode;
var series = episode?.Series;
if (series is not null && series.HasImage(ImageType.Primary))
{
return series;
}
if (subItem.HasImage(ImageType.Primary))
{
return subItem;
}
var parent = subItem.GetOwner() ?? subItem.GetParent();
if (parent is not null && parent.HasImage(ImageType.Primary))
{
if (parent is MusicAlbum)
{
return parent;
}
}
return null;
})
.Where(i => i is not null)
.GroupBy(x => x!.Id) // We removed the null values
.Select(x => x.First())
.ToList()!; // Again... the list doesn't contain any null values
}
/// <inheritdoc />
protected override string CreateImage(BaseItem item, IReadOnlyCollection<BaseItem> itemsWithImages, string outputPathWithoutExtension, ImageType imageType, int imageIndex)
{
return CreateSingleImage(itemsWithImages, outputPathWithoutExtension, ImageType.Primary);
}
}
}
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