jellyfin/MediaBrowser.Controller/Library/TVUtils.cs

286 lines
12 KiB
C#
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using MediaBrowser.Controller.IO;
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;
using MediaBrowser.Controller.Resolvers;
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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>
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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 = new[]
{
"season",
"sæson",
"temporada",
"saison",
"staffel"
};
/// <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[]
{
new Regex(
@".*\\[s|S]?(?<seasonnumber>\d{1,2})[x|X](?<epnumber>\d{1,3})[^\\]*$",
RegexOptions.Compiled),
// 01x02 blah.avi S01x01 balh.avi
new Regex(
@".*\\[s|S](?<seasonnumber>\d{1,2})x?[e|E](?<epnumber>\d{1,3})[^\\]*$",
RegexOptions.Compiled),
// S01E02 blah.avi, S01xE01 blah.avi
new Regex(
@".*\\(?<seriesname>[^\\]*)[s|S]?(?<seasonnumber>\d{1,2})[x|X](?<epnumber>\d{1,3})[^\\]*$",
RegexOptions.Compiled),
// 01x02 blah.avi S01x01 balh.avi
new Regex(
@".*\\(?<seriesname>[^\\]*)[s|S](?<seasonnumber>\d{1,2})[x|X|\.]?[e|E](?<epnumber>\d{1,3})[^\\]*$",
RegexOptions.Compiled)
// S01E02 blah.avi, S01xE01 blah.avi
};
/// <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[]
{
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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/// <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)
{
// Look for one of the season folder names
foreach (var name in SeasonFolderNames)
{
int index = path.IndexOf(name, StringComparison.OrdinalIgnoreCase);
if (index != -1)
{
return GetSeasonNumberFromPathSubstring(path.Substring(index + name.Length));
}
}
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)
{
int numericStart = -1;
int length = 0;
// Find out where the numbers start, and then keep going until they end
for (int i = 0; i < path.Length; i++)
{
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>
/// <returns><c>true</c> if [is season folder] [the specified path]; otherwise, <c>false</c>.</returns>
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public static bool IsSeasonFolder(string path)
{
return GetSeasonNumberFromPath(path) != null;
}
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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<WIN32_FIND_DATA> fileSystemChildren)
{
// A folder with more than 3 non-season folders in will not becounted as a series
var nonSeriesFolders = 0;
foreach (var child in fileSystemChildren)
{
if (child.IsHidden || child.IsSystemFile)
{
continue;
}
if (child.IsDirectory)
{
if (IsSeasonFolder(child.Path))
{
return true;
}
nonSeriesFolders++;
if (nonSeriesFolders >= 3)
{
return false;
}
}
else
{
if (EntityResolutionHelper.IsVideoFile(child.Path) &&
!string.IsNullOrEmpty(EpisodeNumberFromFile(child.Path, false)))
{
return true;
}
}
}
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>
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public static string EpisodeNumberFromFile(string fullPath, bool isInSeason)
{
string fl = fullPath.ToLower();
foreach (var r in EpisodeExpressions)
{
Match m = r.Match(fl);
if (m.Success)
return m.Groups["epnumber"].Value;
}
if (isInSeason)
{
var match = EpisodeExpressionsInASeasonFolder.Select(r => r.Match(fl))
.FirstOrDefault(m => m.Success);
if (match != null)
{
return match.Value;
}
}
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>
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public static string SeasonNumberFromEpisodeFile(string fullPath)
{
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)
return g.Value;
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;
}
}
}