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using MediaBrowser.Common.IO;
using MediaBrowser.Common.Logging;
using MediaBrowser.Common.Win32;
using MediaBrowser.Controller.Library;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
namespace MediaBrowser.Controller.Entities
{
/// <summary>
/// Allows some code sharing between entities that support special features
/// </summary>
public interface ISupportsSpecialFeatures
{
/// <summary>
/// Gets the path.
/// </summary>
/// <value>The path.</value>
string Path { get; }
/// <summary>
/// Gets the name.
/// </summary>
/// <value>The name.</value>
string Name { get; }
/// <summary>
/// Gets the resolve args.
/// </summary>
/// <value>The resolve args.</value>
ItemResolveArgs ResolveArgs { get; }
/// <summary>
/// Gets the special features.
/// </summary>
/// <value>The special features.</value>
List<Video> SpecialFeatures { get; }
}
/// <summary>
/// Class SpecialFeatures
/// </summary>
public static class SpecialFeatures
{
/// <summary>
/// Loads special features from the file system
/// </summary>
/// <param name="entity">The entity.</param>
/// <returns>List{Video}.</returns>
/// <exception cref="System.ArgumentNullException"></exception>
public static IEnumerable<Video> LoadSpecialFeatures(ISupportsSpecialFeatures entity)
{
if (entity == null)
{
throw new ArgumentNullException();
}
WIN32_FIND_DATA? folder;
try
{
folder = entity.ResolveArgs.GetFileSystemEntryByName("specials");
}
catch (IOException ex)
{
Logger.LogException("Error getting ResolveArgs for {0}", ex, entity.Path);
return new List<Video> { };
}
// Path doesn't exist. No biggie
if (folder == null)
{
return new List<Video> {};
}
IEnumerable<WIN32_FIND_DATA> files;
try
{
files = FileSystem.GetFiles(folder.Value.Path);
}
catch (IOException ex)
{
Logger.LogException("Error loading trailers for {0}", ex, entity.Name);
return new List<Video> { };
}
return Kernel.Instance.LibraryManager.GetItems<Video>(files, null).Select(video =>
{
// Try to retrieve it from the db. If we don't find it, use the resolved version
var dbItem = Kernel.Instance.ItemRepository.RetrieveItem(video.Id) as Video;
if (dbItem != null)
{
dbItem.ResolveArgs = video.ResolveArgs;
video = dbItem;
}
return video;
});
}
}
}
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