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using System;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using System.Collections.Generic;
using MediaBrowser.Controller.Collections;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Entities.Movies;
using MediaBrowser.Controller.Library;
using MediaBrowser.Model.Querying;
using Jellyfin.Data.Enums;
using Microsoft.Extensions.Logging;
namespace Emby.Server.Implementations.Library.Validators
{
/// <summary>
/// Class CollectionPostScanTask.
/// </summary>
public class CollectionPostScanTask : ILibraryPostScanTask
{
/// <summary>
/// The _library manager.
/// </summary>
private readonly ILibraryManager _libraryManager;
/// <summary>
/// The collection manager.
/// </summary>
private readonly ICollectionManager _collectionManager;
/// <summary>
/// The logger.
/// </summary>
private readonly ILogger<CollectionPostScanTask> _logger;
/// <summary>
/// Initializes a new instance of the <see cref="CollectionPostScanTask" /> class.
/// </summary>
/// <param name="libraryManager">The library manager.</param>
/// <param name="collectionManager">The collection manager.</param>
/// <param name="logger">The logger.</param>
public CollectionPostScanTask(
ILibraryManager libraryManager,
ILogger<CollectionPostScanTask> logger,
ICollectionManager collectionManager)
{
_libraryManager = libraryManager;
_collectionManager = collectionManager;
_logger = logger;
}
/// <summary>
/// Runs the specified progress.
/// </summary>
/// <param name="progress">The progress.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>Task.</returns>
public async Task Run(IProgress<double> progress, CancellationToken cancellationToken)
{
var movies = _libraryManager.GetItemList(new InternalItemsQuery
{
IncludeItemTypes = new[] { nameof(Movie) },
IsVirtualItem = false,
OrderBy = new List<ValueTuple<string, SortOrder>>
{
new ValueTuple<string, SortOrder>(ItemSortBy.SortName, SortOrder.Ascending)
},
Recursive = true
});
var boxSets = _libraryManager.GetItemList(new InternalItemsQuery
{
IncludeItemTypes = new[] { nameof(BoxSet) },
CollapseBoxSetItems = false,
Recursive = true
});
var numComplete = 0;
var count = movies.Count;
var collectionNameMoviesMap = new Dictionary<string, List<Movie>>();
foreach (var m in movies)
{
var movie = m as Movie;
if (movie != null && movie.CollectionName != null)
{
var movieList = new List<Movie>();
if (collectionNameMoviesMap.TryGetValue(movie.CollectionName, out movieList))
{
if (!movieList.Any(m => m.Id == movie.Id))
{
movieList.Add(movie);
collectionNameMoviesMap[movie.CollectionName] = movieList;
}
}
else
{
collectionNameMoviesMap[movie.CollectionName] = new List<Movie> { movie };
}
}
numComplete++;
double percent = numComplete;
percent /= count * 2;
percent *= 100;
progress.Report(percent);
}
foreach (var pair in collectionNameMoviesMap)
{
try
{
var collectionName = pair.Key;
var movieList = pair.Value;
var boxSet = boxSets.FirstOrDefault(b => b != null ? b.Name == collectionName : false) as BoxSet;
if (boxSet == null)
{
// won't automatically create collection if only one movie in it
if (movieList.Count >= 2)
{
boxSet = await _collectionManager.CreateCollectionAsync(new CollectionCreationOptions
{
Name = collectionName,
IsLocked = true
});
await _collectionManager.AddToCollectionAsync(boxSet.Id, movieList.Select(m => m.Id));
}
}
else
{
await _collectionManager.AddToCollectionAsync(boxSet.Id, movieList.Select(m => m.Id));
}
numComplete++;
double percent = numComplete;
percent /= count * 2;
percent *= 100;
progress.Report(percent);
}
catch (Exception ex)
{
_logger.LogError(ex, "Error refreshing {0}, {1}", pair.Key, pair.Value.ToString());
}
}
progress.Report(100);
}
}
}
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