using MediaBrowser.Common.IO;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Providers;
using MediaBrowser.Controller.Resolvers;
using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Text.RegularExpressions;
using MediaBrowser.Model.Logging;
namespace MediaBrowser.Controller.Library
{
///
/// Class TVUtils
///
public static class TVUtils
{
///
/// The TVDB API key
///
public static readonly string TvdbApiKey = "B89CE93890E9419B";
///
/// The banner URL
///
public static readonly string BannerUrl = "http://www.thetvdb.com/banners/";
///
/// A season folder must contain one of these somewhere in the name
///
private static readonly string[] SeasonFolderNames =
{
"season",
"sæson",
"temporada",
"saison",
"staffel",
"series",
"сезон"
};
///
/// 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
///
private static readonly Regex[] EpisodeExpressions =
{
new Regex(
@".*(\\|\/)[sS]?(?\d{1,4})[xX](?\d{1,3})[^\\\/]*$",
RegexOptions.Compiled),
new Regex(
@".*(\\|\/)[sS](?\d{1,4})[x,X]?[eE](?\d{1,3})[^\\\/]*$",
RegexOptions.Compiled),
new Regex(
@".*(\\|\/)(?((?![sS]?\d{1,4}[xX]\d{1,3})[^\\\/])*)?([sS]?(?\d{1,4})[xX](?\d{1,3}))[^\\\/]*$",
RegexOptions.Compiled),
new Regex(
@".*(\\|\/)(?[^\\\/]*)[sS](?\d{1,4})[xX\.]?[eE](?\d{1,3})[^\\\/]*$",
RegexOptions.Compiled)
};
private static readonly Regex[] MultipleEpisodeExpressions =
{
new Regex(
@".*(\\|\/)[sS]?(?\d{1,4})[xX](?\d{1,3})((-| - )\d{1,4}[eExX](?\d{1,3}))+[^\\\/]*$",
RegexOptions.Compiled),
new Regex(
@".*(\\|\/)[sS]?(?\d{1,4})[xX](?\d{1,3})((-| - )\d{1,4}[xX][eE](?\d{1,3}))+[^\\\/]*$",
RegexOptions.Compiled),
new Regex(
@".*(\\|\/)[sS]?(?\d{1,4})[xX](?\d{1,3})((-| - )?[xXeE](?\d{1,3}))+[^\\\/]*$",
RegexOptions.Compiled),
new Regex(
@".*(\\|\/)[sS]?(?\d{1,4})[xX](?\d{1,3})(-[xE]?[eE]?(?\d{1,3}))+[^\\\/]*$",
RegexOptions.Compiled),
new Regex(
@".*(\\|\/)(?((?![sS]?\d{1,4}[xX]\d{1,3})[^\\\/])*)?([sS]?(?\d{1,4})[xX](?\d{1,3}))((-| - )\d{1,4}[xXeE](?\d{1,3}))+[^\\\/]*$",
RegexOptions.Compiled),
new Regex(
@".*(\\|\/)(?((?![sS]?\d{1,4}[xX]\d{1,3})[^\\\/])*)?([sS]?(?\d{1,4})[xX](?\d{1,3}))((-| - )\d{1,4}[xX][eE](?\d{1,3}))+[^\\\/]*$",
RegexOptions.Compiled),
new Regex(
@".*(\\|\/)(?((?![sS]?\d{1,4}[xX]\d{1,3})[^\\\/])*)?([sS]?(?\d{1,4})[xX](?\d{1,3}))((-| - )?[xXeE](?\d{1,3}))+[^\\\/]*$",
RegexOptions.Compiled),
new Regex(
@".*(\\|\/)(?((?![sS]?\d{1,4}[xX]\d{1,3})[^\\\/])*)?([sS]?(?\d{1,4})[xX](?\d{1,3}))(-[xX]?[eE]?(?\d{1,3}))+[^\\\/]*$",
RegexOptions.Compiled),
new Regex(
@".*(\\|\/)(?[^\\\/]*)[sS](?\d{1,4})[xX\.]?[eE](?\d{1,3})((-| - )?[xXeE](?\d{1,3}))+[^\\\/]*$",
RegexOptions.Compiled),
new Regex(
@".*(\\|\/)(?[^\\\/]*)[sS](?\d{1,4})[xX\.]?[eE](?\d{1,3})(-[xX]?[eE]?(?\d{1,3}))+[^\\\/]*$",
RegexOptions.Compiled)
};
///
/// To avoid the following matching movies they are only valid when contained in a folder which has been matched as a being season, or the media type is TV series
///
private static readonly Regex[] EpisodeExpressionsWithoutSeason =
{
new Regex(
@".*[\\\/](?\d{1,3})(-(?\d{2,3}))*\.\w+$",
RegexOptions.Compiled),
// "01.avi"
new Regex(
@".*(\\|\/)(?\d{1,3})(-(?\d{2,3}))*\s?-\s?[^\\\/]*$",
RegexOptions.Compiled),
// "01 - blah.avi", "01-blah.avi"
new Regex(
@".*(\\|\/)(?\d{1,3})(-(?\d{2,3}))*\.[^\\\/]+$",
RegexOptions.Compiled),
// "01.blah.avi"
new Regex(
@".*[\\\/][^\\\/]* - (?\d{1,3})(-(?\d{2,3}))*[^\\\/]*$",
RegexOptions.Compiled),
// "blah - 01.avi", "blah 2 - 01.avi", "blah - 01 blah.avi", "blah 2 - 01 blah", "blah - 01 - blah.avi", "blah 2 - 01 - blah"
};
///
/// Gets the season number from path.
///
/// The path.
/// System.Nullable{System.Int32}.
public static int? GetSeasonNumberFromPath(string path)
{
var filename = Path.GetFileName(path);
if (string.Equals(filename, "specials", StringComparison.OrdinalIgnoreCase))
{
return 0;
}
int val;
if (int.TryParse(filename, NumberStyles.Integer, CultureInfo.InvariantCulture, out val))
{
return val;
}
if (filename.StartsWith("s", StringComparison.OrdinalIgnoreCase))
{
var testFilename = filename.Substring(1);
if (int.TryParse(testFilename, NumberStyles.Integer, CultureInfo.InvariantCulture, out val))
{
return val;
}
}
// Look for one of the season folder names
foreach (var name in SeasonFolderNames)
{
var index = filename.IndexOf(name, StringComparison.OrdinalIgnoreCase);
if (index != -1)
{
return GetSeasonNumberFromPathSubstring(filename.Substring(index + name.Length));
}
}
return null;
}
///
/// Extracts the season number from the second half of the Season folder name (everything after "Season", or "Staffel")
///
/// The path.
/// System.Nullable{System.Int32}.
private static int? GetSeasonNumberFromPathSubstring(string path)
{
var numericStart = -1;
var length = 0;
// Find out where the numbers start, and then keep going until they end
for (var 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), CultureInfo.InvariantCulture);
}
///
/// Determines whether [is season folder] [the specified path].
///
/// The path.
/// The directory service.
/// The file system.
/// true if [is season folder] [the specified path]; otherwise, false.
private static bool IsSeasonFolder(string path, IDirectoryService directoryService, IFileSystem fileSystem)
{
var seasonNumber = GetSeasonNumberFromPath(path);
var hasSeasonNumber = seasonNumber != null;
if (!hasSeasonNumber)
{
return false;
}
// It's a season folder if it's named as such and does not contain any audio files, apart from theme.mp3
foreach (var fileSystemInfo in directoryService.GetFileSystemEntries(path))
{
var attributes = fileSystemInfo.Attributes;
if ((attributes & FileAttributes.Hidden) == FileAttributes.Hidden)
{
continue;
}
// Can't enforce this because files saved by Bitcasa are always marked System
//if ((attributes & FileAttributes.System) == FileAttributes.System)
//{
// continue;
//}
if ((attributes & FileAttributes.Directory) == FileAttributes.Directory)
{
//if (IsBadFolder(fileSystemInfo.Name))
//{
// return false;
//}
}
else
{
if (EntityResolutionHelper.IsAudioFile(fileSystemInfo.FullName) &&
!string.Equals(fileSystem.GetFileNameWithoutExtension(fileSystemInfo), BaseItem.ThemeSongFilename))
{
return false;
}
}
}
return true;
}
///
/// Determines whether [is series folder] [the specified path].
///
/// The path.
/// if set to true [consider seasonless entries].
/// The file system children.
/// The directory service.
/// The file system.
/// true if [is series folder] [the specified path]; otherwise, false.
public static bool IsSeriesFolder(string path, bool considerSeasonlessEntries, IEnumerable fileSystemChildren, IDirectoryService directoryService, IFileSystem fileSystem, ILogger logger)
{
// 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)
{
logger.Debug("Igoring series file or folder marked hidden: {0}", child.FullName);
continue;
}
// Can't enforce this because files saved by Bitcasa are always marked System
//if ((attributes & FileAttributes.System) == FileAttributes.System)
//{
// logger.Debug("Igoring series subfolder marked system: {0}", child.FullName);
// continue;
//}
if ((attributes & FileAttributes.Directory) == FileAttributes.Directory)
{
if (IsSeasonFolder(child.FullName, directoryService, fileSystem))
{
logger.Debug("{0} is a series because of season folder {1}.", path, child.FullName);
return true;
}
if (IsBadFolder(child.Name))
{
logger.Debug("Invalid folder under series: {0}", child.FullName);
nonSeriesFolders++;
}
if (nonSeriesFolders >= 3)
{
logger.Debug("{0} not a series due to 3 or more invalid folders.", path);
return false;
}
}
else
{
var fullName = child.FullName;
if (EntityResolutionHelper.IsVideoFile(fullName) || EntityResolutionHelper.IsVideoPlaceHolder(fullName))
{
if (GetEpisodeNumberFromFile(fullName, considerSeasonlessEntries).HasValue)
{
return true;
}
}
}
}
logger.Debug("{0} is not a series folder.", path);
return false;
}
private static bool IsBadFolder(string name)
{
if (string.Equals(name, BaseItem.ThemeSongsFolderName, StringComparison.OrdinalIgnoreCase))
{
return false;
}
if (string.Equals(name, BaseItem.ThemeVideosFolderName, StringComparison.OrdinalIgnoreCase))
{
return false;
}
if (string.Equals(name, BaseItem.TrailerFolderName, StringComparison.OrdinalIgnoreCase))
{
return false;
}
return !EntityResolutionHelper.IgnoreFolders.Contains(name, StringComparer.OrdinalIgnoreCase);
}
///
/// Episodes the number from file.
///
/// The full path.
/// if set to true [is in season].
/// System.String.
public static int? GetEpisodeNumberFromFile(string fullPath, bool considerSeasonlessNames)
{
string fl = fullPath.ToLower();
foreach (var r in EpisodeExpressions)
{
Match m = r.Match(fl);
if (m.Success)
return ParseEpisodeNumber(m.Groups["epnumber"].Value);
}
if (considerSeasonlessNames)
{
var match = EpisodeExpressionsWithoutSeason.Select(r => r.Match(fl))
.FirstOrDefault(m => m.Success);
if (match != null)
{
return ParseEpisodeNumber(match.Groups["epnumber"].Value);
}
}
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);
}
foreach (var r in EpisodeExpressionsWithoutSeason)
{
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;
}
return null;
}
///
/// Seasons the number from episode file.
///
/// The full path.
/// System.String.
public static int? GetSeasonNumberFromEpisodeFile(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)
{
var val = g.Value;
if (!string.IsNullOrWhiteSpace(val))
{
int num;
if (int.TryParse(val, NumberStyles.Integer, UsCulture, out num))
{
return num;
}
}
}
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;
}
///
/// Gets the air days.
///
/// The day.
/// List{DayOfWeek}.
public static List GetAirDays(string day)
{
if (!string.IsNullOrWhiteSpace(day))
{
if (day.Equals("Daily", StringComparison.OrdinalIgnoreCase))
{
return new List
{
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
{
value
};
}
return new List();
}
return null;
}
}
}