jellyfin/MediaBrowser.Controller/Library/TVUtils.cs

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using MediaBrowser.Controller.Entities;
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using MediaBrowser.Controller.Providers;
using MediaBrowser.Controller.Resolvers;
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using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
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using System.Linq;
using System.Text.RegularExpressions;
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namespace MediaBrowser.Controller.Library
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{
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/// <summary>
/// Class TVUtils
/// </summary>
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public static class TVUtils
{
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/// <summary>
/// The TVDB API key
/// </summary>
public static readonly string TvdbApiKey = "B89CE93890E9419B";
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/// <summary>
/// The banner URL
/// </summary>
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public static readonly string BannerUrl = "http://www.thetvdb.com/banners/";
/// <summary>
/// A season folder must contain one of these somewhere in the name
/// </summary>
private static readonly string[] SeasonFolderNames =
{
"season",
"sæson",
"temporada",
"saison",
"staffel",
"series",
"сезон"
};
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/// <summary>
/// Used to detect paths that represent episodes, need to make sure they don't also
/// match movie titles like "2001 A Space..."
/// Currently we limit the numbers here to 2 digits to try and avoid this
/// </summary>
private static readonly Regex[] EpisodeExpressions =
{
new Regex(
@".*(\\|\/)[sS]?(?<seasonnumber>\d{1,4})[xX](?<epnumber>\d{1,3})[^\\\/]*$",
RegexOptions.Compiled),
new Regex(
@".*(\\|\/)[sS](?<seasonnumber>\d{1,4})[x,X]?[eE](?<epnumber>\d{1,3})[^\\\/]*$",
RegexOptions.Compiled),
new Regex(
@".*(\\|\/)(?<seriesname>((?![sS]?\d{1,4}[xX]\d{1,3})[^\\\/])*)?([sS]?(?<seasonnumber>\d{1,4})[xX](?<epnumber>\d{1,3}))[^\\\/]*$",
RegexOptions.Compiled),
new Regex(
@".*(\\|\/)(?<seriesname>[^\\\/]*)[sS](?<seasonnumber>\d{1,4})[xX\.]?[eE](?<epnumber>\d{1,3})[^\\\/]*$",
RegexOptions.Compiled)
};
private static readonly Regex[] MultipleEpisodeExpressions =
{
new Regex(
@".*(\\|\/)[sS]?(?<seasonnumber>\d{1,4})[xX](?<epnumber>\d{1,3})((-| - )\d{1,4}[eExX](?<endingepnumber>\d{1,3}))+[^\\\/]*$",
RegexOptions.Compiled),
new Regex(
@".*(\\|\/)[sS]?(?<seasonnumber>\d{1,4})[xX](?<epnumber>\d{1,3})((-| - )\d{1,4}[xX][eE](?<endingepnumber>\d{1,3}))+[^\\\/]*$",
RegexOptions.Compiled),
new Regex(
@".*(\\|\/)[sS]?(?<seasonnumber>\d{1,4})[xX](?<epnumber>\d{1,3})((-| - )?[xXeE](?<endingepnumber>\d{1,3}))+[^\\\/]*$",
RegexOptions.Compiled),
new Regex(
@".*(\\|\/)[sS]?(?<seasonnumber>\d{1,4})[xX](?<epnumber>\d{1,3})(-[xE]?[eE]?(?<endingepnumber>\d{1,3}))+[^\\\/]*$",
RegexOptions.Compiled),
new Regex(
@".*(\\|\/)(?<seriesname>((?![sS]?\d{1,4}[xX]\d{1,3})[^\\\/])*)?([sS]?(?<seasonnumber>\d{1,4})[xX](?<epnumber>\d{1,3}))((-| - )\d{1,4}[xXeE](?<endingepnumber>\d{1,3}))+[^\\\/]*$",
RegexOptions.Compiled),
new Regex(
@".*(\\|\/)(?<seriesname>((?![sS]?\d{1,4}[xX]\d{1,3})[^\\\/])*)?([sS]?(?<seasonnumber>\d{1,4})[xX](?<epnumber>\d{1,3}))((-| - )\d{1,4}[xX][eE](?<endingepnumber>\d{1,3}))+[^\\\/]*$",
RegexOptions.Compiled),
new Regex(
@".*(\\|\/)(?<seriesname>((?![sS]?\d{1,4}[xX]\d{1,3})[^\\\/])*)?([sS]?(?<seasonnumber>\d{1,4})[xX](?<epnumber>\d{1,3}))((-| - )?[xXeE](?<endingepnumber>\d{1,3}))+[^\\\/]*$",
RegexOptions.Compiled),
new Regex(
@".*(\\|\/)(?<seriesname>((?![sS]?\d{1,4}[xX]\d{1,3})[^\\\/])*)?([sS]?(?<seasonnumber>\d{1,4})[xX](?<epnumber>\d{1,3}))(-[xX]?[eE]?(?<endingepnumber>\d{1,3}))+[^\\\/]*$",
RegexOptions.Compiled),
new Regex(
@".*(\\|\/)(?<seriesname>[^\\\/]*)[sS](?<seasonnumber>\d{1,4})[xX\.]?[eE](?<epnumber>\d{1,3})((-| - )?[xXeE](?<endingepnumber>\d{1,3}))+[^\\\/]*$",
RegexOptions.Compiled),
new Regex(
@".*(\\|\/)(?<seriesname>[^\\\/]*)[sS](?<seasonnumber>\d{1,4})[xX\.]?[eE](?<epnumber>\d{1,3})(-[xX]?[eE]?(?<endingepnumber>\d{1,3}))+[^\\\/]*$",
RegexOptions.Compiled)
};
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/// <summary>
/// To avoid the following matching movies they are only valid when contained in a folder which has been matched as a being season
/// </summary>
private static readonly Regex[] EpisodeExpressionsInASeasonFolder =
{
new Regex(
@".*(\\|\/)(?<epnumber>\d{1,2})\s?-\s?[^\\\/]*$",
RegexOptions.Compiled),
// 01 - blah.avi, 01-blah.avi
new Regex(
@".*(\\|\/)(?<epnumber>\d{1,2})[^\d\\]*[^\\\/]*$",
RegexOptions.Compiled),
// 01.avi, 01.blah.avi "01 - 22 blah.avi"
new Regex(
@".*(\\|\/)(?<seasonnumber>\d)(?<epnumber>\d{1,2})[^\d\\]+[^\\\/]*$",
RegexOptions.Compiled),
// 01.avi, 01.blah.avi
new Regex(
@".*(\\|\/)\D*\d+(?<epnumber>\d{2})",
RegexOptions.Compiled)
// hell0 - 101 - hello.avi
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};
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/// <summary>
/// Gets the season number from path.
/// </summary>
/// <param name="path">The path.</param>
/// <returns>System.Nullable{System.Int32}.</returns>
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public static int? GetSeasonNumberFromPath(string path)
{
var filename = Path.GetFileName(path);
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if (string.Equals(path, "specials", StringComparison.OrdinalIgnoreCase))
{
return 0;
}
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// Look for one of the season folder names
foreach (var name in SeasonFolderNames)
{
var index = filename.IndexOf(name, StringComparison.OrdinalIgnoreCase);
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if (index != -1)
{
return GetSeasonNumberFromPathSubstring(filename.Substring(index + name.Length));
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}
}
return null;
}
/// <summary>
/// Extracts the season number from the second half of the Season folder name (everything after "Season", or "Staffel")
/// </summary>
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/// <param name="path">The path.</param>
/// <returns>System.Nullable{System.Int32}.</returns>
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private static int? GetSeasonNumberFromPathSubstring(string path)
{
var numericStart = -1;
var length = 0;
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// Find out where the numbers start, and then keep going until they end
for (var i = 0; i < path.Length; i++)
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{
if (char.IsNumber(path, i))
{
if (numericStart == -1)
{
numericStart = i;
}
length++;
}
else if (numericStart != -1)
{
break;
}
}
if (numericStart == -1)
{
return null;
}
return int.Parse(path.Substring(numericStart, length));
}
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/// <summary>
/// Determines whether [is season folder] [the specified path].
/// </summary>
/// <param name="path">The path.</param>
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/// <param name="directoryService">The directory service.</param>
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/// <returns><c>true</c> if [is season folder] [the specified path]; otherwise, <c>false</c>.</returns>
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private static bool IsSeasonFolder(string path, IDirectoryService directoryService)
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{
// It's a season folder if it's named as such and does not contain any audio files, apart from theme.mp3
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return GetSeasonNumberFromPath(path) != null && !directoryService.GetFiles(path).Any(i => EntityResolutionHelper.IsAudioFile(i.FullName) && !string.Equals(Path.GetFileNameWithoutExtension(i.FullName), BaseItem.ThemeSongFilename));
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}
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/// <summary>
/// Determines whether [is series folder] [the specified path].
/// </summary>
/// <param name="path">The path.</param>
/// <param name="fileSystemChildren">The file system children.</param>
/// <returns><c>true</c> if [is series folder] [the specified path]; otherwise, <c>false</c>.</returns>
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public static bool IsSeriesFolder(string path, IEnumerable<FileSystemInfo> fileSystemChildren, IDirectoryService directoryService)
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{
// A folder with more than 3 non-season folders in will not becounted as a series
var nonSeriesFolders = 0;
foreach (var child in fileSystemChildren)
{
var attributes = child.Attributes;
if ((attributes & FileAttributes.Hidden) == FileAttributes.Hidden)
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{
continue;
}
if ((attributes & FileAttributes.System) == FileAttributes.System)
{
continue;
}
if ((attributes & FileAttributes.Directory) == FileAttributes.Directory)
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{
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if (IsSeasonFolder(child.FullName, directoryService))
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{
return true;
}
nonSeriesFolders++;
if (nonSeriesFolders >= 3)
{
return false;
}
}
else
{
var fullName = child.FullName;
if (EntityResolutionHelper.IsVideoFile(fullName) || EntityResolutionHelper.IsVideoPlaceHolder(fullName))
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{
if (GetEpisodeNumberFromFile(fullName, false).HasValue)
{
return true;
}
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}
}
}
return false;
}
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/// <summary>
/// Episodes the number from file.
/// </summary>
/// <param name="fullPath">The full path.</param>
/// <param name="isInSeason">if set to <c>true</c> [is in season].</param>
/// <returns>System.String.</returns>
public static int? GetEpisodeNumberFromFile(string fullPath, bool isInSeason)
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{
string fl = fullPath.ToLower();
foreach (var r in EpisodeExpressions)
{
Match m = r.Match(fl);
if (m.Success)
return ParseEpisodeNumber(m.Groups["epnumber"].Value);
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}
if (isInSeason)
{
var match = EpisodeExpressionsInASeasonFolder.Select(r => r.Match(fl))
.FirstOrDefault(m => m.Success);
if (match != null)
{
return ParseEpisodeNumber(match.Groups["epnumber"].Value);
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}
}
return null;
}
public static int? GetEndingEpisodeNumberFromFile(string fullPath)
{
var fl = fullPath.ToLower();
foreach (var r in MultipleEpisodeExpressions)
{
var m = r.Match(fl);
if (m.Success && !string.IsNullOrEmpty(m.Groups["endingepnumber"].Value))
return ParseEpisodeNumber(m.Groups["endingepnumber"].Value);
}
return null;
}
private static readonly CultureInfo UsCulture = new CultureInfo("en-US");
private static int? ParseEpisodeNumber(string val)
{
int num;
if (!string.IsNullOrEmpty(val) && int.TryParse(val, NumberStyles.Integer, UsCulture, out num))
{
return num;
}
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return null;
}
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/// <summary>
/// Seasons the number from episode file.
/// </summary>
/// <param name="fullPath">The full path.</param>
/// <returns>System.String.</returns>
public static int? GetSeasonNumberFromEpisodeFile(string fullPath)
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{
string fl = fullPath.ToLower();
foreach (var r in EpisodeExpressions)
{
Match m = r.Match(fl);
if (m.Success)
{
Group g = m.Groups["seasonnumber"];
if (g != null)
{
var val = g.Value;
if (!string.IsNullOrWhiteSpace(val))
{
int num;
if (int.TryParse(val, NumberStyles.Integer, UsCulture, out num))
{
return num;
}
}
}
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return null;
}
}
return null;
}
public static string GetSeriesNameFromEpisodeFile(string fullPath)
{
var fl = fullPath.ToLower();
foreach (var r in EpisodeExpressions)
{
var m = r.Match(fl);
if (m.Success)
{
var g = m.Groups["seriesname"];
if (g != null)
{
var val = g.Value;
if (!string.IsNullOrWhiteSpace(val))
{
return val;
}
}
return null;
}
}
return null;
}
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/// <summary>
/// Gets the air days.
/// </summary>
/// <param name="day">The day.</param>
/// <returns>List{DayOfWeek}.</returns>
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public static List<DayOfWeek> GetAirDays(string day)
{
if (!string.IsNullOrWhiteSpace(day))
{
if (day.Equals("Daily", StringComparison.OrdinalIgnoreCase))
{
return new List<DayOfWeek>
{
DayOfWeek.Sunday,
DayOfWeek.Monday,
DayOfWeek.Tuesday,
DayOfWeek.Wednesday,
DayOfWeek.Thursday,
DayOfWeek.Friday,
DayOfWeek.Saturday
};
}
DayOfWeek value;
if (Enum.TryParse(day, true, out value))
{
return new List<DayOfWeek>
{
value
};
}
return new List<DayOfWeek>();
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}
return null;
}
}
}