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using MediaBrowser.Common.IO;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Library;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text.RegularExpressions;
namespace MediaBrowser.Controller.Resolvers
{
/// <summary>
/// Class EntityResolutionHelper
/// </summary>
public static class EntityResolutionHelper
{
/// <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",
".mk3d",
".ts",
".rmvb",
".mov",
".avi",
".mpg",
".mpeg",
".wmv",
".mp4",
".divx",
".dvr-ms",
".wtv",
".ogm",
".ogv",
".asf",
".m4v",
".flv",
".f4v",
".3gp",
".webm",
".mts",
".m2v",
".rec"
};
private static readonly Dictionary<string, string> VideoFileExtensionsDictionary = VideoFileExtensions.ToDictionary(i => i, StringComparer.OrdinalIgnoreCase);
private static readonly Regex MultiFileRegex = new Regex(
@"(.*?)([ _.-]*(?:cd|dvd|p(?:ar)?t|dis[ck]|d)[ _.-]*[0-9]+)(.*?)(\.[^.]+)$",
RegexOptions.Compiled | RegexOptions.IgnoreCase);
private static readonly Regex MultiFolderRegex = new Regex(
@"(.*?)([ _.-]*(?:cd|dvd|p(?:ar)?t|dis[ck]|d)[ _.-]*[0-9]+)$",
RegexOptions.Compiled | RegexOptions.IgnoreCase);
/// <summary>
/// Determines whether [is multi part file] [the specified path].
/// </summary>
/// <param name="path">The path.</param>
/// <returns><c>true</c> if [is multi part file] [the specified path]; otherwise, <c>false</c>.</returns>
public static bool IsMultiPartFile(string path)
{
if (string.IsNullOrEmpty(path))
{
throw new ArgumentNullException("path");
}
return MultiFileRegex.Match(path).Success || MultiFolderRegex.Match(path).Success;
}
/// <summary>
/// The audio file extensions
/// </summary>
public static readonly string[] AudioFileExtensions =
{
".mp3",
".flac",
".wma",
".aac",
".acc",
".m4a",
".m4b",
".wav",
".ape",
".ogg",
".oga"
};
private static readonly Dictionary<string, string> AudioFileExtensionsDictionary = AudioFileExtensions.ToDictionary(i => i, StringComparer.OrdinalIgnoreCase);
/// <summary>
/// Determines whether [is audio file] [the specified args].
/// </summary>
/// <param name="path">The path.</param>
/// <returns><c>true</c> if [is audio file] [the specified args]; otherwise, <c>false</c>.</returns>
public static bool IsAudioFile(string path)
{
if (string.IsNullOrEmpty(path))
{
throw new ArgumentNullException("path");
}
var extension = Path.GetExtension(path);
if (string.IsNullOrEmpty(extension))
{
return false;
}
return AudioFileExtensionsDictionary.ContainsKey(extension);
}
/// <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)
{
if (string.IsNullOrEmpty(path))
{
throw new ArgumentNullException("path");
}
var extension = Path.GetExtension(path);
if (string.IsNullOrEmpty(extension))
{
return false;
}
return VideoFileExtensionsDictionary.ContainsKey(extension);
}
/// <summary>
/// Determines whether [is place holder] [the specified path].
/// </summary>
/// <param name="path">The path.</param>
/// <returns><c>true</c> if [is place holder] [the specified path]; otherwise, <c>false</c>.</returns>
/// <exception cref="System.ArgumentNullException">path</exception>
public static bool IsVideoPlaceHolder(string path)
{
if (string.IsNullOrEmpty(path))
{
throw new ArgumentNullException("path");
}
var extension = Path.GetExtension(path);
return string.Equals(extension, ".disc", StringComparison.OrdinalIgnoreCase);
}
/// <summary>
/// Ensures DateCreated and DateModified have values
/// </summary>
/// <param name="fileSystem">The file system.</param>
/// <param name="item">The item.</param>
/// <param name="args">The args.</param>
/// <param name="includeCreationTime">if set to <c>true</c> [include creation time].</param>
public static void EnsureDates(IFileSystem fileSystem, BaseItem item, ItemResolveArgs args, bool includeCreationTime)
{
if (fileSystem == null)
{
throw new ArgumentNullException("fileSystem");
}
if (item == null)
{
throw new ArgumentNullException("item");
}
if (args == null)
{
throw new ArgumentNullException("args");
}
// See if a different path came out of the resolver than what went in
if (!string.Equals(args.Path, item.Path, StringComparison.OrdinalIgnoreCase))
{
var childData = args.IsDirectory ? args.GetFileSystemEntryByPath(item.Path) : null;
if (childData != null)
{
if (includeCreationTime)
{
item.DateCreated = fileSystem.GetCreationTimeUtc(childData);
}
item.DateModified = fileSystem.GetLastWriteTimeUtc(childData);
}
else
{
var fileData = fileSystem.GetFileSystemInfo(item.Path);
if (fileData.Exists)
{
if (includeCreationTime)
{
item.DateCreated = fileSystem.GetCreationTimeUtc(fileData);
}
item.DateModified = fileSystem.GetLastWriteTimeUtc(fileData);
}
}
}
else
{
if (includeCreationTime)
{
item.DateCreated = fileSystem.GetCreationTimeUtc(args.FileInfo);
}
item.DateModified = fileSystem.GetLastWriteTimeUtc(args.FileInfo);
}
}
}
}
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