New: Artist name first character renaming token

Co-Authored-By: Mark McDowall <markus101@users.noreply.github.com>

frontend/src/Settings/MediaManagement/Naming/NamingModal.js

@@ -43,6 +43,8 @@ const artistTokens = [
 
   { token: '{Artist NameThe}', example: 'Artist Name, The' },
 
+  { token: '{Artist NameFirstCharacter}', example: 'A' },
+
   { token: '{Artist CleanName}', example: 'Artist Name' },
 
   { token: '{Artist Disambiguation}', example: 'Disambiguation' }

src/NzbDrone.Core.Test/OrganizerTests/FileNameBuilderTests/ArtistNameFirstCharacterFixture.cs

@@ -0,0 +1,56 @@
+using System.Linq;
+using FizzWare.NBuilder;
+using FluentAssertions;
+using NUnit.Framework;
+using NzbDrone.Core.Music;
+using NzbDrone.Core.Organizer;
+using NzbDrone.Core.Qualities;
+using NzbDrone.Core.Test.Framework;
+
+namespace NzbDrone.Core.Test.OrganizerTests.FileNameBuilderTests
+{
+    [TestFixture]
+    public class ArtistNameFirstCharacterFixture : CoreTest<FileNameBuilder>
+    {
+        private Artist _artist;
+        private NamingConfig _namingConfig;
+
+        [SetUp]
+        public void Setup()
+        {
+            _artist = Builder<Artist>
+                    .CreateNew()
+                    .Build();
+
+            _namingConfig = NamingConfig.Default;
+            _namingConfig.RenameTracks = true;
+
+            Mocker.GetMock<INamingConfigService>()
+                  .Setup(c => c.GetConfig()).Returns(_namingConfig);
+
+            Mocker.GetMock<IQualityDefinitionService>()
+                .Setup(v => v.Get(Moq.It.IsAny<Quality>()))
+                .Returns<Quality>(v => Quality.DefaultQualityDefinitions.First(c => c.Quality == v));
+        }
+
+        [TestCase("The Mist", "M\\The Mist")]
+        [TestCase("A", "A\\A")]
+        [TestCase("30 Rock", "3\\30 Rock")]
+        public void should_get_expected_folder_name_back(string title, string expected)
+        {
+            _artist.Name = title;
+            _namingConfig.ArtistFolderFormat = "{Artist NameFirstCharacter}\\{Artist Name}";
+
+            Subject.GetArtistFolder(_artist).Should().Be(expected);
+        }
+
+        [Test]
+        public void should_be_able_to_use_lower_case_first_character()
+        {
+            _artist.Name = "Westworld";
+            _namingConfig.ArtistFolderFormat = "{artist namefirstcharacter}\\{artist name}";
+
+            Subject.GetArtistFolder(_artist).Should().Be("w\\westworld");
+        }
+    }
+}

src/NzbDrone.Core/Organizer/FileNameBuilder.cs

@@ -267,6 +267,7 @@ namespace NzbDrone.Core.Organizer
             tokenHandlers["{Artist Name}"] = m => artist.Name;
             tokenHandlers["{Artist CleanName}"] = m => CleanTitle(artist.Name);
             tokenHandlers["{Artist NameThe}"] = m => TitleThe(artist.Name);
+            tokenHandlers["{Artist NameFirstCharacter}"] = m => TitleThe(artist.Name).Substring(0, 1).FirstCharToUpper();
 
             if (artist.Metadata.Value.Disambiguation != null)
             {