From 566c1405c294fb897eb21e8884764ed8a5a617af Mon Sep 17 00:00:00 2001
From: bakerboy448 <55419169+bakerboy448@users.noreply.github.com>
Date: Wed, 23 Dec 2020 14:07:13 -0600
Subject: [PATCH] New: Handle select groups that do not follow -RlsGrp format

 Closes #3550
---
 .../ParserTests/ReleaseGroupParserFixture.cs   | 18 +++++++++++++++++-
 src/NzbDrone.Core/Parser/Parser.cs             | 12 ++++++++++++
 2 files changed, 29 insertions(+), 1 deletion(-)

diff --git a/src/NzbDrone.Core.Test/ParserTests/ReleaseGroupParserFixture.cs b/src/NzbDrone.Core.Test/ParserTests/ReleaseGroupParserFixture.cs
index 07c0c78ac..da143c300 100644
--- a/src/NzbDrone.Core.Test/ParserTests/ReleaseGroupParserFixture.cs
+++ b/src/NzbDrone.Core.Test/ParserTests/ReleaseGroupParserFixture.cs
@@ -37,7 +37,6 @@ public class ReleaseGroupParserFixture : CoreTest
         [TestCase("NCIS.S16E04.Third.Wheel.1080p.AMZN.WEB-DL.DDP5.1.H.264-NTb-GEROV", "NTb")]
         [TestCase("Will.and.Grace.S10E06.Kid.n.Play.1080p.AMZN.WEB-DL.DDP5.1.H.264-NTb-Z0iDS3N", "NTb")]
         [TestCase("Absolute.Power.S02E06.The.House.of.Lords.DVDRip.x264-MaG-Chamele0n", "MaG")]
-        [TestCase("The.Nightingale.2018.1080p.Blu-ray.Remux.AVC.DTS-HD.MA.5.1.KRaLiMaRKo", null)]
         [TestCase("Kai.Po.Che.2013.1080p.BluRay.REMUX.AVC.DTS-X.MA.5.1", null)]
         [TestCase("Kai.Po.Che.2013.1080p.BluRay.REMUX.AVC.DTS-MA.5.1", null)]
         [TestCase("Kai.Po.Che.2013.1080p.BluRay.REMUX.AVC.DTS-ES.MA.5.1", null)]
@@ -48,6 +47,23 @@ public class ReleaseGroupParserFixture : CoreTest
         [TestCase("SomeMovie.1080p.BluRay.DTS.x264.-VH-PROD.mkv", "VH-PROD")]
 
         //[TestCase("", "")]
+
+        //Exception Cases
+        public void should_parse_exception_release_group(string title, string expected)
+        {
+            Parser.Parser.ParseReleaseGroup(title).Should().Be(expected);
+        }
+
+        [TestCase("Stargirl (2020) [2160p x265 10bit S82 Joy]", "Joy")]
+        [TestCase("The Matrix Revolutions (2003) (2160p BluRay X265 HEVC 10bit HDR AAC 7.1 Tigole) [QxR]", "Tigole")]
+        [TestCase("Ode To Joy (2009) (2160p BluRay x265 10bit HDR Joy)", "Joy")]
+        [TestCase("Shingeki No Kyojin a.k.a. Attack on Titan S04E03 The Door of Hope 1080p NF WEB-DL DDP2.0 x264-E.N.D", "E.N.D")]
+        [TestCase("The Curse of Audrey Earnshaw (2020) [1080p] [WEBRip] [5.1] [YTS.MX]", "YTS.MX")]
+        [TestCase("The.Nightingale.2018.1080p.Blu-ray.Remux.AVC.DTS-HD.MA.5.1.KRaLiMaRKo", "KRaLiMaRKo")]
+        [TestCase("Ode To Joy (2009) (2160p BluRay x265 10bit HDR FreetheFish)", "FreetheFish")]
+        [TestCase("Ode To Joy (2009) (2160p BluRay x265 10bit HDR afm72)", "afm72")]
+        [TestCase("Ode To Joy (2009) (2160p BluRay x265 10bit HDR)", null)]
+
         public void should_parse_release_group(string title, string expected)
         {
             Parser.Parser.ParseReleaseGroup(title).Should().Be(expected);
diff --git a/src/NzbDrone.Core/Parser/Parser.cs b/src/NzbDrone.Core/Parser/Parser.cs
index aa5a90ee1..d506e20f3 100644
--- a/src/NzbDrone.Core/Parser/Parser.cs
+++ b/src/NzbDrone.Core/Parser/Parser.cs
@@ -125,6 +125,11 @@ public static class Parser
         private static readonly Regex YearInTitleRegex = new Regex(@"^(?<title>.+?)(?:\W|_)?(?<year>\d{4})",
                                                                 RegexOptions.IgnoreCase | RegexOptions.Compiled);
 
+        //Handle Exception Release Groups that don't follow -RlsGrp; Manual List
+        //First Group is groups whose releases end with RlsGroup) or RlsGroup]  second group (entries after `(?=\]|\))|`) is name only...BE VERY CAREFUL WITH THIS, HIGH CHANCE OF FALSE POSITIVES
+        private static readonly Regex ExceptionReleaseGroupRegex = new Regex(@"(?<releasegroup>(Tigole|Joy|YIFY|YTS.MX|FreetheFish|afm72)(?=\]|\))|KRaLiMaRKo|E\.N\.D)",
+                                                        RegexOptions.IgnoreCase | RegexOptions.Compiled);
+
         private static readonly Regex WordDelimiterRegex = new Regex(@"(\s|\.|,|_|-|=|'|\|)+", RegexOptions.Compiled);
         private static readonly Regex SpecialCharRegex = new Regex(@"(\&|\:|\\|\/)+", RegexOptions.Compiled);
         private static readonly Regex PunctuationRegex = new Regex(@"[^\w\s]", RegexOptions.Compiled);
@@ -450,6 +455,13 @@ public static string ParseReleaseGroup(string title)
 
             title = CleanReleaseGroupRegex.Replace(title);
 
+            var exceptionMatch = ExceptionReleaseGroupRegex.Matches(title);
+
+            if (exceptionMatch.Count != 0)
+            {
+                return exceptionMatch.OfType<Match>().Last().Groups["releasegroup"].Value;
+            }
+
             var matches = ReleaseGroupRegex.Matches(title);
 
             if (matches.Count != 0)