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using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using Jellyfin.Data.Enums;
using Jellyfin.Database.Implementations.Enums;
using MediaBrowser.Controller.Drawing;
using MediaBrowser.Controller.Dto;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.Persistence;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.Querying;
using Microsoft.Extensions.Logging;
namespace Emby.Server.Implementations.Library;
/// <summary>
/// The splashscreen post scan task.
/// </summary>
public class SplashscreenPostScanTask : ILibraryPostScanTask
{
private readonly IItemRepository _itemRepository;
private readonly IImageEncoder _imageEncoder;
private readonly ILogger<SplashscreenPostScanTask> _logger;
/// <summary>
/// Initializes a new instance of the <see cref="SplashscreenPostScanTask"/> class.
/// </summary>
/// <param name="itemRepository">Instance of the <see cref="IItemRepository"/> interface.</param>
/// <param name="imageEncoder">Instance of the <see cref="IImageEncoder"/> interface.</param>
/// <param name="logger">Instance of the <see cref="ILogger{SplashscreenPostScanTask}"/> interface.</param>
public SplashscreenPostScanTask(
IItemRepository itemRepository,
IImageEncoder imageEncoder,
ILogger<SplashscreenPostScanTask> logger)
{
_itemRepository = itemRepository;
_imageEncoder = imageEncoder;
_logger = logger;
}
/// <inheritdoc />
public Task Run(IProgress<double> progress, CancellationToken cancellationToken)
{
var posters = GetItemsWithImageType(ImageType.Primary)
.Select(x => x.GetImages(ImageType.Primary).FirstOrDefault()?.Path)
.Where(path => !string.IsNullOrEmpty(path))
.Select(path => path!)
.ToList();
var backdrops = GetItemsWithImageType(ImageType.Thumb)
.Select(x => x.GetImages(ImageType.Thumb).FirstOrDefault()?.Path)
.Where(path => !string.IsNullOrEmpty(path))
.Select(path => path!)
.ToList();
if (backdrops.Count == 0)
{
// Thumb images fit better because they include the title in the image but are not provided with TMDb.
// Using backdrops as a fallback to generate an image at all
_logger.LogDebug("No thumb images found. Using backdrops to generate splashscreen");
backdrops = GetItemsWithImageType(ImageType.Backdrop)
.Select(x => x.GetImages(ImageType.Backdrop).FirstOrDefault()?.Path)
.Where(path => !string.IsNullOrEmpty(path))
.Select(path => path!)
.ToList();
}
_imageEncoder.CreateSplashscreen(posters, backdrops);
return Task.CompletedTask;
}
private IReadOnlyList<BaseItem> GetItemsWithImageType(ImageType imageType)
{
// TODO make included libraries configurable
return _itemRepository.GetItemList(new InternalItemsQuery
{
CollapseBoxSetItems = false,
Recursive = true,
DtoOptions = new DtoOptions(false),
ImageTypes = new[] { imageType },
Limit = 30,
// TODO max parental rating configurable
MaxParentalRating = 10,
OrderBy = new[]
{
(ItemSortBy.Random, SortOrder.Ascending)
},
IncludeItemTypes = new[] { BaseItemKind.Movie, BaseItemKind.Series }
});
}
}
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