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using MediaBrowser.Common.IO;
using MediaBrowser.Common.Win32;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Library;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
namespace MediaBrowser.Controller.Resolvers
{
/// <summary>
/// Class EntityResolutionHelper
/// </summary>
public static class EntityResolutionHelper
{
/// <summary>
/// Any extension in this list is considered a metadata file - can be added to at runtime for extensibility
/// </summary>
public static List<string> MetaExtensions = new List<string>
{
".xml",
".jpg",
".png",
".json",
".data"
};
/// <summary>
/// Any extension in this list is considered a video file - can be added to at runtime for extensibility
/// </summary>
public static List<string> VideoFileExtensions = new List<string>
{
".mkv",
".m2t",
".m2ts",
".img",
".iso",
".ts",
".rmvb",
".mov",
".avi",
".mpg",
".mpeg",
".wmv",
".mp4",
".divx",
".dvr-ms",
".wtv",
".ogm",
".ogv",
".asf",
".m4v",
".flv",
".f4v",
".3gp",
".webm"
};
/// <summary>
/// Determines whether [is video file] [the specified path].
/// </summary>
/// <param name="path">The path.</param>
/// <returns><c>true</c> if [is video file] [the specified path]; otherwise, <c>false</c>.</returns>
public static bool IsVideoFile(string path)
{
var extension = Path.GetExtension(path) ?? string.Empty;
return VideoFileExtensions.Contains(extension, StringComparer.OrdinalIgnoreCase);
}
/// <summary>
/// The audio file extensions
/// </summary>
public static readonly string[] AudioFileExtensions = new[] {
".mp3",
".flac",
".wma",
".aac",
".acc",
".m4a",
".m4b",
".wav",
".ape",
".ogg",
".oga"
};
/// <summary>
/// Determines whether [is audio file] [the specified args].
/// </summary>
/// <param name="args">The args.</param>
/// <returns><c>true</c> if [is audio file] [the specified args]; otherwise, <c>false</c>.</returns>
public static bool IsAudioFile(ItemResolveArgs args)
{
return AudioFileExtensions.Contains(Path.GetExtension(args.Path), StringComparer.OrdinalIgnoreCase);
}
/// <summary>
/// Determines whether [is audio file] [the specified file].
/// </summary>
/// <param name="file">The file.</param>
/// <returns><c>true</c> if [is audio file] [the specified file]; otherwise, <c>false</c>.</returns>
public static bool IsAudioFile(WIN32_FIND_DATA file)
{
return AudioFileExtensions.Contains(Path.GetExtension(file.Path), StringComparer.OrdinalIgnoreCase);
}
/// <summary>
/// Determine if the supplied file data points to a music album
/// </summary>
/// <param name="data">The data.</param>
/// <returns><c>true</c> if [is music album] [the specified data]; otherwise, <c>false</c>.</returns>
public static bool IsMusicAlbum(WIN32_FIND_DATA data)
{
return ContainsMusic(FileSystem.GetFiles(data.Path));
}
/// <summary>
/// Determine if the supplied reslove args should be considered a music album
/// </summary>
/// <param name="args">The args.</param>
/// <returns><c>true</c> if [is music album] [the specified args]; otherwise, <c>false</c>.</returns>
public static bool IsMusicAlbum(ItemResolveArgs args)
{
// Args points to an album if parent is an Artist folder or it directly contains music
if (args.IsDirectory)
{
//if (args.Parent is MusicArtist) return true; //saves us from testing children twice
if (ContainsMusic(args.FileSystemChildren)) return true;
}
return false;
}
/// <summary>
/// Determine if the supplied list contains what we should consider music
/// </summary>
/// <param name="list">The list.</param>
/// <returns><c>true</c> if the specified list contains music; otherwise, <c>false</c>.</returns>
public static bool ContainsMusic(IEnumerable<WIN32_FIND_DATA> list)
{
// If list contains at least 2 audio files or at least one and no video files consider it to contain music
var foundAudio = 0;
var foundVideo = 0;
foreach (var file in list)
{
if (IsAudioFile(file)) foundAudio++;
if (foundAudio >= 2)
{
return true;
}
if (IsVideoFile(file.Path)) foundVideo++;
}
// or a single audio file and no video files
if (foundAudio > 0 && foundVideo == 0) return true;
return false;
}
/// <summary>
/// Determines whether a path should be ignored based on its contents - called after the contents have been read
/// </summary>
/// <param name="args">The args.</param>
/// <returns><c>true</c> if XXXX, <c>false</c> otherwise</returns>
public static bool ShouldResolvePathContents(ItemResolveArgs args)
{
// Ignore any folders containing a file called .ignore
return !args.ContainsFileSystemEntryByName(".ignore");
}
/// <summary>
/// Ensures DateCreated and DateModified have values
/// </summary>
/// <param name="item">The item.</param>
/// <param name="args">The args.</param>
public static void EnsureDates(BaseItem item, ItemResolveArgs args)
{
if (!Path.IsPathRooted(item.Path))
{
return;
}
// See if a different path came out of the resolver than what went in
if (!args.Path.Equals(item.Path, StringComparison.OrdinalIgnoreCase))
{
var childData = args.IsDirectory ? args.GetFileSystemEntryByPath(item.Path) : null;
if (childData.HasValue)
{
item.DateCreated = childData.Value.CreationTimeUtc;
item.DateModified = childData.Value.LastWriteTimeUtc;
}
else
{
var fileData = FileSystem.GetFileData(item.Path);
if (fileData.HasValue)
{
item.DateCreated = fileData.Value.CreationTimeUtc;
item.DateModified = fileData.Value.LastWriteTimeUtc;
}
}
}
else
{
item.DateCreated = args.FileInfo.CreationTimeUtc;
item.DateModified = args.FileInfo.LastWriteTimeUtc;
}
}
}
}
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