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