LibationCli and structural changes to support it incl: no LibationLauncher, just LibationWinForms. LibationWinForms builds to a different output dir so cli can be deployed easily. Versioning number is moved to scaffolding library shared by both apps

LibationCli/LibationCli.csproj

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+<?xml version="1.0" encoding="utf-8"?>
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net5.0</TargetFramework>
+
+    <PublishTrimmed>true</PublishTrimmed>
+    <PublishReadyToRun>true</PublishReadyToRun>
+    <RuntimeIdentifier>win-x64</RuntimeIdentifier>
+    <AppendTargetFrameworkToOutputPath>false</AppendTargetFrameworkToOutputPath>
+    <AppendRuntimeIdentifierToOutputPath>false</AppendRuntimeIdentifierToOutputPath>
+  </PropertyGroup>
+
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|AnyCPU'">
+    <OutputPath>..\LibationWinForms\bin\Debug</OutputPath>
+  </PropertyGroup>
+
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|AnyCPU'">
+    <OutputPath>..\LibationWinForms\bin\Release</OutputPath>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="CommandLineParser" Version="2.8.0" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\ApplicationServices\ApplicationServices.csproj" />
+    <ProjectReference Include="..\AppScaffolding\AppScaffolding.csproj" />
+    <ProjectReference Include="..\FileLiberator\FileLiberator.csproj" />
+  </ItemGroup>
+
+</Project>

LibationCli/Options/ConvertOptions.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using CommandLine;
+
+namespace LibationCli
+{
+	[Verb("convert", HelpText = "Convert mp4 to mp3.")]
+	public class ConvertOptions : ProcessableOptionsBase
+	{
+		protected override Task ProcessAsync() => RunAsync(CreateProcessable<FileLiberator.ConvertToMp3>());
+	}
+}

LibationCli/Options/ExportOptions.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using ApplicationServices;
+using CommandLine;
+using InternalUtilities;
+
+namespace LibationCli
+{
+	[Verb("export", HelpText = "Must include path and flag for export file type: --xlsx , --csv , --json]")]
+	public class ExportOptions : OptionsBase
+	{
+		[Option(shortName: 'p', longName: "path", Required = true, HelpText = "Path to save file to.")]
+		public string FilePath { get; set; }
+
+		#region explanation of mutually exclusive options
+		/*
+		giving these SetName values makes them mutually exclusive. they are in different sets. eg:
+		class Options
+		{
+		    [Option("username", SetName = "auth")]
+		    public string Username { get; set; }
+		    [Option("password", SetName = "auth")]
+		    public string Password { get; set; }
+
+		    [Option("guestaccess", SetName = "guest")]
+		    public bool GuestAccess { get; set; }
+		}
+		*/
+		#endregion
+		[Option(shortName: 'x', longName: "xlsx", SetName = "xlsx", Required = true)]
+		public bool xlsx { get; set; }
+
+		[Option(shortName: 'c', longName: "csv", SetName = "csv", Required = true)]
+		public bool csv { get; set; }
+
+		[Option(shortName: 'j', longName: "json", SetName = "json", Required = true)]
+		public bool json { get; set; }
+
+		protected override Task ProcessAsync()
+		{
+			if (xlsx)
+				LibraryExporter.ToXlsx(FilePath);
+			if (csv)
+				LibraryExporter.ToCsv(FilePath);
+			if (json)
+				LibraryExporter.ToJson(FilePath);
+
+			Console.WriteLine($"Library exported to: {FilePath}");
+
+			return Task.CompletedTask;
+		}
+	}
+}

LibationCli/Options/LiberateOptions.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using CommandLine;
+using DataLayer;
+using FileLiberator;
+
+namespace LibationCli
+{
+	[Verb("liberate", HelpText = "Liberate: book and pdf backups. Default: download and decrypt all un-liberated titles and download pdfs. "
+		+ "Optional: use 'pdf' flag to only download pdfs.")]
+	public class LiberateOptions : ProcessableOptionsBase
+	{
+		[Option(shortName: 'p', longName: "pdf", Required = false, Default = false, HelpText = "Flag to only download pdfs")]
+		public bool PdfOnly { get; set; }
+
+		protected override Task ProcessAsync()
+			=> PdfOnly
+			? RunAsync(CreateProcessable<DownloadPdf>())
+			: RunAsync(CreateBackupBook());
+
+		private static IProcessable CreateBackupBook()
+		{
+			var downloadPdf = CreateProcessable<DownloadPdf>();
+
+			//Chain pdf download on DownloadDecryptBook.Completed
+			async void onDownloadDecryptBookCompleted(object sender, LibraryBook e)
+			{
+				await downloadPdf.TryProcessAsync(e);
+			}
+
+			var downloadDecryptBook = CreateProcessable<DownloadDecryptBook>(onDownloadDecryptBookCompleted);
+			return downloadDecryptBook;
+		}
+	}
+}

LibationCli/Options/ScanOptions.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using ApplicationServices;
+using CommandLine;
+using InternalUtilities;
+
+namespace LibationCli
+{
+	[Verb("scan", HelpText = "Scan library. Default: scan all accounts. Optional: use 'account' flag to specify a single account.")]
+	public class ScanOptions : OptionsBase
+	{
+		[Value(0, MetaName = "Accounts", HelpText = "Optional: nicknames of accounts to scan.", Required = false)]
+		public IEnumerable<string> AccountNicknames { get; set; }
+
+		protected override async Task ProcessAsync()
+		{
+			var accounts = getAccounts();
+			if (!accounts.Any())
+			{
+				Console.WriteLine("No accounts. Exiting.");
+				Environment.ExitCode = (int)ExitCode.RunTimeError;
+				return;
+			}
+
+			var _accounts = accounts.ToArray();
+
+			var intro
+				= (_accounts.Length == 1)
+				? "Scanning Audible library. This may take a few minutes."
+				: $"Scanning Audible library: {_accounts.Length} accounts. This may take a few minutes per account.";
+			Console.WriteLine(intro);
+
+			var (TotalBooksProcessed, NewBooksAdded) = await LibraryCommands.ImportAccountAsync(
+				(account) => null,
+				_accounts);
+
+			Console.WriteLine("Scan complete.");
+			Console.WriteLine($"Total processed: {TotalBooksProcessed}\r\nNew: {NewBooksAdded}");
+		}
+
+		private Account[] getAccounts()
+		{
+			using var persister = AudibleApiStorage.GetAccountsSettingsPersister();
+			var accounts = persister.AccountsSettings.GetAll().ToArray();
+
+			if (!AccountNicknames.Any())
+				return accounts;
+
+			var found = accounts.Where(acct => AccountNicknames.Contains(acct.AccountName)).ToArray();
+			var notFound = AccountNicknames.Except(found.Select(f => f.AccountName)).ToArray();
+
+			// no accounts found. do not continue
+			if (!found.Any())
+			{
+				Console.WriteLine("Accounts not found:");
+				foreach (var nf in notFound)
+					Console.WriteLine($"- {nf}");
+				return found;
+			}
+
+			// some accounts not found. continue after message
+			if (notFound.Any())
+			{
+				Console.WriteLine("Accounts found:");
+				foreach (var f in found)
+					Console.WriteLine($"- {f}");
+				Console.WriteLine("Accounts not found:");
+				foreach (var nf in notFound)
+					Console.WriteLine($"- {nf}");
+			}
+
+			// else: all accounts area found. silently continue
+
+			return found;
+		}
+	}
+}

LibationCli/Options/_OptionsBase.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using CommandLine;
+
+namespace LibationCli
+{
+	public abstract class OptionsBase
+	{
+		public async Task Run()
+		{
+			try
+			{
+				await ProcessAsync();
+			}
+			catch (Exception ex)
+			{
+				Environment.ExitCode = (int)ExitCode.RunTimeError;
+
+				Console.WriteLine("ERROR");
+				Console.WriteLine("=====");
+				Console.WriteLine(ex.Message);
+				Console.WriteLine();
+				Console.WriteLine(ex.StackTrace);
+			}
+		}
+
+		protected abstract Task ProcessAsync();
+	}
+}

LibationCli/Options/_ProcessableOptionsBase.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using ApplicationServices;
+using CommandLine;
+using DataLayer;
+using FileLiberator;
+
+namespace LibationCli
+{
+	// streamlined, non-Forms copy of ProcessorAutomationController
+	public abstract class ProcessableOptionsBase : OptionsBase
+	{
+		protected static TProcessable CreateProcessable<TProcessable>(EventHandler<LibraryBook> completedAction = null)
+			where TProcessable : IProcessable, new()
+		{
+			var strProc = new TProcessable();
+
+			strProc.Begin += (o, e) => Console.WriteLine($"{typeof(TProcessable).Name} Begin: {e}");
+			strProc.Completed += (o, e) => Console.WriteLine($"{typeof(TProcessable).Name} Completed: {e}");
+
+			strProc.Completed += completedAction;
+
+			return strProc;
+		}
+
+		protected static async Task RunAsync(IProcessable Processable)
+		{
+			foreach (var libraryBook in Processable.GetValidLibraryBooks(DbContexts.GetLibrary_Flat_NoTracking()))
+				await ProcessOneAsync(Processable, libraryBook, false);
+
+			var done = "Done. All books have been processed";
+			Console.WriteLine(done);
+			Serilog.Log.Logger.Information(done);
+		}
+
+		private static async Task ProcessOneAsync(IProcessable Processable, LibraryBook libraryBook, bool validate)
+		{
+			try
+			{
+				var statusHandler = await Processable.ProcessSingleAsync(libraryBook, validate);
+
+				if (statusHandler.IsSuccess)
+					return;
+
+				foreach (var errorMessage in statusHandler.Errors)
+					Serilog.Log.Logger.Error(errorMessage);
+			}
+			catch (Exception ex)
+			{
+				var msg = "Error processing book. Skipping. This book will be tried again on next attempt. For options of skipping or marking as error, retry with main Libation app.";
+				Console.WriteLine(msg + ". See log for more details.");
+				Serilog.Log.Logger.Error(ex, $"{msg} {{@DebugInfo}}", new { Book = libraryBook.LogFriendly() });
+			}
+		}
+	}
+}

LibationCli/Program.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using CommandLine;
+using CommandLine.Text;
+using Dinah.Core;
+using Dinah.Core.Collections;
+using Dinah.Core.Collections.Generic;
+
+namespace LibationCli
+{
+	public enum ExitCode
+	{
+		ProcessCompletedSuccessfully = 0,
+		NonRunNonError = 1,
+		ParseError = 2,
+		RunTimeError = 3
+	}
+	class Program
+	{
+        static async Task<int> Main(string[] args)
+		{
+			//***********************************************//
+			//                                               //
+			//   do not use Configuration before this line   //
+			//                                               //
+			//***********************************************//
+			Setup.Initialize();
+			Setup.SubscribeToDatabaseEvents();
+
+			var types = Setup.LoadVerbs();
+
+#if DEBUG
+			string input = null;
+
+			//input = "  export --help";
+			//input = "  scan  cupidneedsglasses";
+			//input = "  liberate ";
+
+
+			// note: this hack will fail for quoted file paths with spaces because it will break on those spaces
+			if (!string.IsNullOrWhiteSpace(input))
+				args = input.Split(' ', StringSplitOptions.RemoveEmptyEntries);
+			var setBreakPointHere = args;
+#endif
+
+			var result = Parser.Default.ParseArguments(args, types);
+
+			// if successfully parsed
+			// async: run parsed options
+			await result.WithParsedAsync<OptionsBase>(opt => opt.Run());
+
+			// if not successfully parsed
+			// sync: handle parse errors
+			result.WithNotParsed(errors => HandleErrors(result, errors));
+
+			return Environment.ExitCode;
+		}
+
+		private static void HandleErrors(ParserResult<object> result, IEnumerable<Error> errors)
+		{
+			var errorsList = errors.ToList();
+			if (errorsList.Any(e => e.Tag.In(ErrorType.HelpRequestedError, ErrorType.VersionRequestedError, ErrorType.HelpVerbRequestedError)))
+			{
+				Environment.ExitCode = (int)ExitCode.NonRunNonError;
+				return;
+			}
+
+			Environment.ExitCode = (int)ExitCode.ParseError;
+
+			if (errorsList.Any(e => e.Tag.In(ErrorType.NoVerbSelectedError)))
+			{
+				Console.WriteLine("No verb selected");
+				return;
+			}
+
+			var helpText = HelpText.AutoBuild(result,
+				h => HelpText.DefaultParsingErrorsHandler(result, h),
+				e => e);
+			Console.WriteLine(helpText);
+		}
+	}
+}

LibationCli/Setup.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Reflection;
+using System.Threading.Tasks;
+using AppScaffolding;
+using CommandLine;
+using CommandLine.Text;
+using Dinah.Core;
+using Dinah.Core.Collections;
+using Dinah.Core.Collections.Generic;
+
+namespace LibationCli
+{
+	public static class Setup
+	{
+		public static void Initialize()
+		{
+			//***********************************************//
+			//                                               //
+			//   do not use Configuration before this line   //
+			//                                               //
+			//***********************************************//
+			var config = LibationScaffolding.RunPreConfigMigrations();
+
+
+			LibationScaffolding.RunPostConfigMigrations();
+			LibationScaffolding.RunPostMigrationScaffolding();
+
+#if !DEBUG
+			checkForUpdate();
+#endif
+		}
+
+		private static void checkForUpdate()
+		{
+			var (hasUpgrade, zipUrl, htmlUrl, zipName) = LibationScaffolding.GetLatestRelease();
+			if (!hasUpgrade)
+				return;
+
+			var origColor = Console.ForegroundColor;
+			try
+			{
+				Console.ForegroundColor = ConsoleColor.Red;
+				Console.WriteLine($"UPDATE AVAILABLE @ {zipUrl}");
+			}
+			finally
+			{
+				Console.ForegroundColor = origColor;
+			}
+		}
+
+		public static void SubscribeToDatabaseEvents()
+		{
+			DataLayer.UserDefinedItem.ItemChanged += (sender, e) => ApplicationServices.LibraryCommands.UpdateUserDefinedItem(((DataLayer.UserDefinedItem)sender).Book);
+		}
+
+		public static Type[] LoadVerbs() => Assembly.GetExecutingAssembly()
+			.GetTypes()
+			.Where(t => t.GetCustomAttribute<VerbAttribute>() is not null)
+			.ToArray();
+	}
+}