mirror of
https://github.com/Radarr/Radarr.git
synced 2024-09-11 12:02:35 +02:00
276 lines
9.6 KiB
C#
276 lines
9.6 KiB
C#
using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Text;
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using System.Text.RegularExpressions;
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using NLog;
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using NzbDrone.Core.Model;
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using NzbDrone.Core.Providers;
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using NzbDrone.Core.Repository.Quality;
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using Rss;
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namespace NzbDrone.Core
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{
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internal static class Parser
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{
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private static readonly Logger Logger = LogManager.GetCurrentClassLogger();
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private static readonly Regex[] ReportTitleRegex = new[]
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{
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new Regex(@"(?<title>.+?)?\W?(?<year>\d+?)?\WS?(?<season>\d+)((?:\-|\.|[a-z])(?<episode>\d+))+\W(?!\\)", RegexOptions.IgnoreCase | RegexOptions.Compiled),
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new Regex(@"(?<title>.+?)?\W?(?<year>\d+?)?\WS?(?<season>\d+)(?<episode>\d{2})\W(?!\\)", RegexOptions.IgnoreCase | RegexOptions.Compiled) //Supports 103/113 naming
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};
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private static readonly Regex[] SeasonReportTitleRegex = new[]
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{
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new Regex(@"(?<title>.+?)?\W?(?<year>\d{4}?)?\W(?:S|Season)?\W?(?<season>\d+)(?!\\)", RegexOptions.IgnoreCase | RegexOptions.Compiled),
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};
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private static readonly Regex NormalizeRegex = new Regex(@"((\s|^)the(\s|$))|((\s|^)and(\s|$))|[^a-z]", RegexOptions.IgnoreCase | RegexOptions.Compiled);
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/// <summary>
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/// Parses a post title into list of episodes it contains
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/// </summary>
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/// <param name="title">Title of the report</param>
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/// <returns>List of episodes contained to the post</returns>
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internal static List<EpisodeParseResult> ParseEpisodeInfo(string title)
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{
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Logger.Trace("Parsing string '{0}'", title);
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var result = new List<EpisodeParseResult>();
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foreach (var regex in ReportTitleRegex)
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{
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var match = regex.Matches(title);
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if (match.Count != 0)
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{
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var seriesName = NormalizeTitle(match[0].Groups["title"].Value);
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var year = 0;
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Int32.TryParse(match[0].Groups["year"].Value, out year);
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if (year < 1900 || year > DateTime.Now.Year + 1)
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{
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year = 0;
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}
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foreach (Match matchGroup in match)
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{
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var seasonNumber = Convert.ToInt32(matchGroup.Groups["season"].Value);
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foreach (Capture episode in matchGroup.Groups["episode"].Captures)
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{
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var parsedEpisode = new EpisodeParseResult
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{
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SeriesTitle = seriesName,
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SeasonNumber = seasonNumber,
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EpisodeNumber = Convert.ToInt32(episode.Value),
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Year = year
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};
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result.Add(parsedEpisode);
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Logger.Trace("Episode Parsed. {0}", parsedEpisode);
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}
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}
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break; //Break out of the for loop, we don't want to process every REGEX for each item otherwise we'll get duplicates
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}
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}
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return result;
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}
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/// <summary>
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/// Parses a post title into season it contains
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/// </summary>
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/// <param name="title">Title of the report</param>
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/// <returns>Season information contained in the post</returns>
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internal static SeasonParseResult ParseSeasonInfo(string title)
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{
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Logger.Trace("Parsing string '{0}'", title);
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foreach (var regex in ReportTitleRegex)
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{
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var match = regex.Matches(title);
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if (match.Count != 0)
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{
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var seriesName = NormalizeTitle(match[0].Groups["title"].Value);
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var year = 0;
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Int32.TryParse(match[0].Groups["year"].Value, out year);
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if (year < 1900 || year > DateTime.Now.Year + 1)
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{
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year = 0;
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}
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var seasonNumber = Convert.ToInt32(match[0].Groups["season"].Value);
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var result = new SeasonParseResult
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{
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SeriesTitle = seriesName,
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SeasonNumber = seasonNumber,
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Year = year
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};
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Logger.Trace("Season Parsed. {0}", result);
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return result;
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}
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}
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return null; //Return null
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}
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/// <summary>
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/// Parses a post title to find the series that relates to it
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/// </summary>
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/// <param name="title">Title of the report</param>
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/// <returns>Normalized Series Name</returns>
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internal static string ParseSeriesName(string title)
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{
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Logger.Trace("Parsing string '{0}'", title);
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foreach (var regex in ReportTitleRegex)
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{
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var match = regex.Matches(title);
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if (match.Count != 0)
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{
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var seriesName = NormalizeTitle(match[0].Groups["title"].Value);
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var year = 0;
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Int32.TryParse(match[0].Groups["year"].Value, out year);
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if (year < 1900 || year > DateTime.Now.Year + 1)
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{
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year = 0;
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}
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Logger.Trace("Series Parsed. {0}", seriesName);
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return seriesName;
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}
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}
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return String.Empty;
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}
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/// <summary>
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/// Parses proper status out of a report title
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/// </summary>
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/// <param name="title">Title of the report</param>
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/// <returns></returns>
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internal static bool ParseProper(string title)
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{
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return title.ToLower().Contains("proper");
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}
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internal static QualityTypes ParseQuality(string name)
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{
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Logger.Trace("Trying to parse quality for {0}", name);
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var result = QualityTypes.Unknown;
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name = name.ToLowerInvariant();
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if (name.Contains("dvd"))
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return QualityTypes.DVD;
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if (name.Contains("bdrip") || name.Contains("brrip"))
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{
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return QualityTypes.BDRip;
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}
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if (name.Contains("xvid") || name.Contains("divx"))
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{
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if (name.Contains("bluray"))
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{
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return QualityTypes.BDRip;
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}
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return QualityTypes.TV;
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}
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if (name.Contains("bluray"))
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{
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if (name.Contains("720p"))
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return QualityTypes.Bluray720;
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if (name.Contains("1080p"))
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return QualityTypes.Bluray1080;
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return QualityTypes.Bluray720;
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}
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if (name.Contains("web-dl"))
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return QualityTypes.WEBDL;
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if (name.Contains("x264") || name.Contains("h264") || name.Contains("720p"))
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return QualityTypes.HDTV;
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//Based on extension
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if (result == QualityTypes.Unknown)
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{
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switch (new FileInfo(name).Extension.ToLower())
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{
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case ".avi":
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case ".xvid":
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case ".wmv":
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{
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result = QualityTypes.TV;
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break;
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}
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case ".mkv":
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{
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result = QualityTypes.HDTV;
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break;
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}
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}
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}
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Logger.Trace("Quality Parsed:{0} Title:", result, name);
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return result;
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}
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/// <summary>
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/// Normalizes the title. removing all non-word characters as well as common tokens
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/// such as 'the' and 'and'
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/// </summary>
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/// <param name="title">title</param>
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/// <returns></returns>
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internal static string NormalizeTitle(string title)
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{
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return NormalizeRegex.Replace(title, String.Empty).ToLower();
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}
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//Note: changing case on path is a problem for running on mono/*nix
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//Not going to change the casing any more... Looks Ugly in UI anyways :P
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public static string NormalizePath(string path)
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{
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if (String.IsNullOrEmpty(path))
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throw new ArgumentException("Path can not be null or empty");
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var info = new FileInfo(path);
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if (info.FullName.StartsWith(@"\\")) //UNC
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{
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return info.FullName.TrimEnd('/', '\\', ' ');
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}
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return info.FullName.Trim('/', '\\', ' ');
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}
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public static NzbInfoModel ParseNzbInfo(FeedInfoModel feed, RssItem item)
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{
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NzbSiteModel site = NzbSiteModel.Parse(feed.Url.ToLower());
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return new NzbInfoModel
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{
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Id = site.ParseId(item.Link.ToString()),
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Title = item.Title,
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Site = site,
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Link = item.Link,
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Description = item.Description
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};
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}
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}
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}
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