New: Author name first character renaming token

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

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

@@ -51,6 +51,8 @@ const authorTokens = [
 
   { token: '{Author NameThe}', example: 'Author\'s Name, The' },
 
+  { token: '{Author NameFirstCharacter}', example: 'A' },
+
   { token: '{Author CleanName}', example: 'Authors Name' },
 
   { token: '{Author SortName}', example: 'Name, Author' },

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

@@ -0,0 +1,57 @@
+using System.IO;
+using System.Linq;
+using FizzWare.NBuilder;
+using FluentAssertions;
+using NUnit.Framework;
+using NzbDrone.Core.Books;
+using NzbDrone.Core.Organizer;
+using NzbDrone.Core.Qualities;
+using NzbDrone.Core.Test.Framework;
+
+namespace NzbDrone.Core.Test.OrganizerTests.FileNameBuilderTests
+{
+    [TestFixture]
+    public class AuthorNameFirstCharacterFixture : CoreTest<FileNameBuilder>
+    {
+        private Author _author;
+        private NamingConfig _namingConfig;
+
+        [SetUp]
+        public void Setup()
+        {
+            _author = Builder<Author>
+                    .CreateNew()
+                    .Build();
+
+            _namingConfig = NamingConfig.Default;
+            _namingConfig.RenameBooks = 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 parent, string child)
+        {
+            _author.Name = title;
+            _namingConfig.AuthorFolderFormat = "{Author NameFirstCharacter}\\{Author Name}";
+
+            Subject.GetAuthorFolder(_author).Should().Be(Path.Combine(parent, child));
+        }
+
+        [Test]
+        public void should_be_able_to_use_lower_case_first_character()
+        {
+            _author.Name = "Westworld";
+            _namingConfig.AuthorFolderFormat = "{author namefirstcharacter}\\{author name}";
+
+            Subject.GetAuthorFolder(_author).Should().Be(Path.Combine("w", "westworld"));
+        }
+    }
+}

src/NzbDrone.Core/Organizer/FileNameBuilder.cs

@@ -249,6 +249,7 @@ private void AddAuthorTokens(Dictionary<string, Func<TokenMatch, string>> tokenH
             tokenHandlers["{Author CleanName}"] = m => CleanTitle(author.Name);
             tokenHandlers["{Author NameThe}"] = m => TitleThe(author.Name);
             tokenHandlers["{Author SortName}"] = m => author.Metadata.Value.NameLastFirst;
+            tokenHandlers["{Author NameFirstCharacter}"] = m => TitleThe(author.Name).Substring(0, 1).FirstCharToUpper();
 
             if (author.Metadata.Value.Disambiguation != null)
             {