New: Add Arabic Language

Fixes #5883

src/NzbDrone.Core.Test/Languages/LanguageFixture.cs

@@ -39,7 +39,8 @@ namespace NzbDrone.Core.Test.Languages
                 new object[] { 27, Language.Romanian },
                 new object[] { 28, Language.Thai },
                 new object[] { 29, Language.Bulgarian },
-                new object[] { 30, Language.PortugueseBR }
+                new object[] { 30, Language.PortugueseBR },
+                new object[] { 31, Language.Arabic }
             };
 
         public static object[] ToIntCases =
@@ -73,7 +74,8 @@ namespace NzbDrone.Core.Test.Languages
                 new object[] { Language.Romanian, 27 },
                 new object[] { Language.Thai, 28 },
                 new object[] { Language.Bulgarian, 29 },
-                new object[] { Language.PortugueseBR, 30 }
+                new object[] { Language.PortugueseBR, 30 },
+                new object[] { Language.Arabic, 31 }
             };
 
         [Test]

src/NzbDrone.Core.Test/ParserTests/LanguageParserFixture.cs

@@ -287,6 +287,13 @@ namespace NzbDrone.Core.Test.ParserTests
             result.Languages.Should().BeEquivalentTo(Language.Czech);
         }
 
+        [TestCase("Mosul.2019.ARABIC.WEBRip.x264-VXT")]
+        public void should_parse_language_arabic(string postTitle)
+        {
+            var result = Parser.Parser.ParseMovieTitle(postTitle);
+            result.Languages.Should().BeEquivalentTo(Language.Arabic);
+        }
+
         [TestCase("Pulp Fiction.en.sub")]
         [TestCase("Pulp Fiction.eng.sub")]
         [TestCase("Pulp.Fiction.eng.forced.sub")]

src/NzbDrone.Core/Languages/Language.cs

@@ -101,6 +101,7 @@ namespace NzbDrone.Core.Languages
         public static Language Thai => new Language(28, "Thai");
         public static Language Bulgarian => new Language(29, "Bulgarian");
         public static Language PortugueseBR => new Language(30, "Portuguese (Brazil)");
+        public static Language Arabic => new Language(31, "Arabic");
         public static Language Any => new Language(-1, "Any");
         public static Language Original => new Language(-2, "Original");
 
@@ -141,6 +142,7 @@ namespace NzbDrone.Core.Languages
                     Thai,
                     Bulgarian,
                     PortugueseBR,
+                    Arabic,
                     Any,
                     Original
                 };

src/NzbDrone.Core/Parser/IsoLanguages.cs

@@ -36,7 +36,8 @@ namespace NzbDrone.Core.Parser
                                                                new IsoLanguage("th", "", "tha", "Thai", Language.Thai),
                                                                new IsoLanguage("bg", "", "bul", "Bulgarian", Language.Bulgarian),
                                                                new IsoLanguage("ro", "", "ron", "Romanian", Language.Romanian),
-                                                               new IsoLanguage("pt", "br", "", "Portuguese (Brazil)", Language.PortugueseBR)
+                                                               new IsoLanguage("pt", "br", "", "Portuguese (Brazil)", Language.PortugueseBR),
+                                                               new IsoLanguage("ar", "", "ara", "Arabic", Language.Arabic)
                                                            };
 
         public static IsoLanguage Find(string isoCode)

src/NzbDrone.Core/Parser/LanguageParser.cs

@@ -87,6 +87,11 @@ namespace NzbDrone.Core.Parser
                 languages.Add(Language.Hindi);
             }
 
+            if (lowerTitle.Contains("arabic"))
+            {
+                languages.Add(Language.Arabic);
+            }
+
             if (lowerTitle.Contains("thai"))
             {
                 languages.Add(Language.Thai);