{

public const string COMMAND_NAME = "add";

public const string COMMAND_DESCRIPTION = "The add command needs to be invoked via 'add hosthook'. This creates a special folder for your custom npm package installation.";

public const string COMMAND_ARGUMENTS = "hosthook";

public static IList<CommandOption> CommandOptions { get; set; } = new List<CommandOption>();

private string[] _args;

public AddCommand(string[] args)

{

_args = args;

}

private static string ElectronHostHookFolderName = "ElectronHostHook";

public Task<bool> ExecuteAsync()

{

return Task.Run(() =>

{

if(_args.Length == 0)

{

Console.WriteLine("Specify 'hosthook' to add custom npm packages.");

return false;

}

if(_args[0].ToLowerInvariant() != "hosthook")

{

Console.WriteLine("Specify 'hosthook' to add custom npm packages.");

return false;

}

string aspCoreProjectPath = "";

// Maybe ToDo: Adding the possiblity to specify a path (like we did in the InitCommand, but this would require a better command args parser)

aspCoreProjectPath = Directory.GetCurrentDirectory();

var currentDirectory = aspCoreProjectPath;

var targetFilePath = Path.Combine(currentDirectory, ElectronHostHookFolderName);

if(Directory.Exists(targetFilePath))

{

Console.WriteLine("ElectronHostHook directory already in place. If you want to start over, delete the folder and invoke this command again.");

return false;

}

Console.WriteLine("Adding the ElectronHostHook folder to your project...");

Directory.CreateDirectory(targetFilePath);

// Deploy related files

EmbeddedFileHelper.DeployEmbeddedFile(targetFilePath, "index.ts", "ElectronHostHook.");

EmbeddedFileHelper.DeployEmbeddedFile(targetFilePath, "connector.ts", "ElectronHostHook.");

EmbeddedFileHelper.DeployEmbeddedFile(targetFilePath, "package.json", "ElectronHostHook.");

EmbeddedFileHelper.DeployEmbeddedFile(targetFilePath, "tsconfig.json", "ElectronHostHook.");

EmbeddedFileHelper.DeployEmbeddedFile(targetFilePath, ".gitignore", "ElectronHostHook.");

// npm for typescript compiler etc.

Console.WriteLine("Start npm install...");

ProcessHelper.CmdExecute("npm install", targetFilePath);

// run typescript compiler

// ToDo: Not sure if this runs under linux/macos

ProcessHelper.CmdExecute(@"npx tsc -p ../../", targetFilePath);

// search .csproj or .fsproj (.csproj has higher precedence)

Console.WriteLine($"Search your .csproj/.fsproj to add configure CopyToPublishDirectory to 'Never'");

var projectFile = Directory.EnumerateFiles(currentDirectory, "*.csproj", SearchOption.TopDirectoryOnly)

.Union(Directory.EnumerateFiles(currentDirectory, "*.fsproj", SearchOption.TopDirectoryOnly))

.FirstOrDefault();

var extension = Path.GetExtension(projectFile);

Console.WriteLine($"Found your {extension}: {projectFile} - check for existing CopyToPublishDirectory setting or update it.");

if (!EditProjectFile(projectFile)) return false;

Console.WriteLine($"Everything done - happy electronizing with your custom npm packages!");

return true;

});

}

// ToDo: Cleanup this copy/past code.

private static bool EditProjectFile(string projectFile)

{

using (var stream = File.Open(projectFile, FileMode.OpenOrCreate, FileAccess.ReadWrite))

{

var xmlDocument = XDocument.Load(stream);

var projectElement = xmlDocument.Descendants("Project").FirstOrDefault();

if (projectElement == null || projectElement.Attribute("Sdk")?.Value != "Microsoft.NET.Sdk.Web")

{

Console.WriteLine(

$"Project file is not a compatible type of 'Microsoft.NET.Sdk.Web'. Your project: {projectElement?.Attribute("Sdk")?.Value}");

return false;

}

string itemGroupXmlString = "<ItemGroup>" +

"<Content Update=\"ElectronHostHook\\**\\*.*\">" +

"<CopyToPublishDirectory>Never</CopyToPublishDirectory>" +

"</Content>" +

"</ItemGroup>";

var newItemGroupForConfig = XElement.Parse(itemGroupXmlString);

xmlDocument.Root.Add(newItemGroupForConfig);

stream.SetLength(0);

stream.Position = 0;

var xws = new XmlWriterSettings

{

OmitXmlDeclaration = true,

Indent = true

};

using (XmlWriter xw = XmlWriter.Create(stream, xws))

{

xmlDocument.Save(xw);

}

}

Console.WriteLine($"Publish setting added in csproj/fsproj!");

return true;

}