From c7b950f2130686c080cfcd6a26a7120aa736edce Mon Sep 17 00:00:00 2001
From: tenshiak <75363841+tenshiak@users.noreply.github.com>
Date: Wed, 30 Dec 2020 21:11:47 +0100
Subject: [PATCH] Fixed: Parsing Polish language

---
 .../ParserTests/LanguageParserFixture.cs               |  9 +++++++++
 src/NzbDrone.Core/Parser/LanguageParser.cs             | 10 ++++++++--
 2 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/src/NzbDrone.Core.Test/ParserTests/LanguageParserFixture.cs b/src/NzbDrone.Core.Test/ParserTests/LanguageParserFixture.cs
index 8476489c0..2f76662eb 100644
--- a/src/NzbDrone.Core.Test/ParserTests/LanguageParserFixture.cs
+++ b/src/NzbDrone.Core.Test/ParserTests/LanguageParserFixture.cs
@@ -131,6 +131,15 @@ namespace NzbDrone.Core.Test.ParserTests
         }
 
         [TestCase("Castle.2009.S01E14.Polish.HDTV.XviD-LOL")]
+        [TestCase("Castle.2009.S01E14.PL.HDTV.XviD-LOL")]
+        [TestCase("Castle.2009.S01E14.PLLEK.HDTV.XviD-LOL")]
+        [TestCase("Castle.2009.S01E14.PL-LEK.HDTV.XviD-LOL")]
+        [TestCase("Castle.2009.S01E14.LEKPL.HDTV.XviD-LOL")]
+        [TestCase("Castle.2009.S01E14.LEK-PL.HDTV.XviD-LOL")]
+        [TestCase("Castle.2009.S01E14.PLDUB.HDTV.XviD-LOL")]
+        [TestCase("Castle.2009.S01E14.PL-DUB.HDTV.XviD-LOL")]
+        [TestCase("Castle.2009.S01E14.DUBPL.HDTV.XviD-LOL")]
+        [TestCase("Castle.2009.S01E14.DUB-PL.HDTV.XviD-LOL")]
         public void should_parse_language_polish(string postTitle)
         {
             var result = Parser.Parser.ParseTitle(postTitle);
diff --git a/src/NzbDrone.Core/Parser/LanguageParser.cs b/src/NzbDrone.Core/Parser/LanguageParser.cs
index 676e7966b..9b5ba021a 100644
--- a/src/NzbDrone.Core/Parser/LanguageParser.cs
+++ b/src/NzbDrone.Core/Parser/LanguageParser.cs
@@ -17,10 +17,10 @@ namespace NzbDrone.Core.Parser
                 new RegexReplace(@".*?[_. ](S\d{2}(?:E\d{2,4})*[_. ].*)", "$1", RegexOptions.Compiled | RegexOptions.IgnoreCase)
             };
 
-        private static readonly Regex LanguageRegex = new Regex(@"(?:\W|_)(?<italian>\b(?:ita|italian)\b)|(?<german>german\b|videomann)|(?<flemish>flemish)|(?<greek>greek)|(?<french>(?:\W|_)(?:FR)(?:\W|_))|(?<russian>\brus\b)|(?<hungarian>\b(?:HUNDUB|HUN)\b)|(?<hebrew>\bHebDub\b)|(?<chinese>\[(?:CH[ST]|BIG5|GB)\]|简|繁|字幕)",
+        private static readonly Regex LanguageRegex = new Regex(@"(?:\W|_)(?<italian>\b(?:ita|italian)\b)|(?<german>german\b|videomann)|(?<flemish>flemish)|(?<greek>greek)|(?<french>(?:\W|_)(?:FR)(?:\W|_))|(?<russian>\brus\b)|(?<hungarian>\b(?:HUNDUB|HUN)\b)|(?<hebrew>\bHebDub\b)|(?<polish>\b(?:PL\W?DUB|DUB\W?PL|LEK\W?PL|PL\W?LEK)\b)|(?<chinese>\[(?:CH[ST]|BIG5|GB)\]|简|繁|字幕)",
                                                                 RegexOptions.IgnoreCase | RegexOptions.Compiled);
 
-        private static readonly Regex CaseSensitiveLanguageRegex = new Regex(@"(?<lithuanian>\bLT\b)|(?<czech>\bCZ\b)",
+        private static readonly Regex CaseSensitiveLanguageRegex = new Regex(@"(?<lithuanian>\bLT\b)|(?<czech>\bCZ\b)|(?<polish>\bPL\b)",
                                                                 RegexOptions.Compiled);
 
 
@@ -148,6 +148,9 @@ namespace NzbDrone.Core.Parser
 
             if (caseSensitiveMatch.Groups["czech"].Captures.Cast<Capture>().Any())
                 return Language.Czech;
+            
+            if (caseSensitiveMatch.Groups["polish"].Captures.Cast<Capture>().Any())
+                return Language.Polish;
 
             // Case insensitive
             var match = LanguageRegex.Match(title);
@@ -179,6 +182,9 @@ namespace NzbDrone.Core.Parser
             if (match.Groups["hebrew"].Success)
                 return Language.Hebrew;
 
+            if (match.Groups["polish"].Success)
+                return Language.Polish;
+
             if (match.Groups["chinese"].Success)
                 return Language.Chinese;