ToolInfoCommand.cs

// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0

usingSystem.Text;
usingSystem.Text.Json;
usingAmazon.Lambda.TestTool.Commands.Settings;
usingAmazon.Lambda.TestTool.Models;
usingAmazon.Lambda.TestTool.Services;
usingAmazon.Lambda.TestTool.Utilities;
usingSpectre.Console.Cli;

namespaceAmazon.Lambda.TestTool.Commands;

/// <summary>
/// Command to display tool information like the version of the tool.
/// </summary>
/// <param name="toolInteractiveService"></param>
publicclassToolInfoCommand(IToolInteractiveServicetoolInteractiveService)
:Command<ToolInfoCommandSettings>
{
/// <summary>
/// The method responsible for executing the <see cref="RunCommand"/>.
/// </summary>
publicoverrideintExecute(CommandContextcontext,ToolInfoCommandSettingssettings)
{
varinfo=CollectInformation();

varformattedInfo=settings.Formatswitch
{
ToolInfoCommandSettings.InfoFormat.Text=>GenerateToolInfoText(info),
ToolInfoCommandSettings.InfoFormat.Json=>GenerateToolInfoJson(info),
 _ =>GenerateToolInfoText(info)
};

toolInteractiveService.WriteLine(formattedInfo);
returnCommandReturnCodes.Success;
}

privatestringGenerateToolInfoText(IDictionary<string,string>info)
{
varstringBuilder=newStringBuilder();
foreach(varkvpininfo)
{
stringBuilder.AppendLine($"{kvp.Key}: {kvp.Value}");
}

returnstringBuilder.ToString();
}

privatestringGenerateToolInfoJson(IDictionary<string,string>info)
{
varstream=newMemoryStream();
Utf8JsonWriterutf8JsonWriter=newUtf8JsonWriter(stream,options:newJsonWriterOptions()
{
Indented=false
});

utf8JsonWriter.WriteStartObject();

foreach(varkvpininfo)
{
utf8JsonWriter.WriteString(kvp.Key,kvp.Value);
}

utf8JsonWriter.WriteEndObject();
utf8JsonWriter.Flush();

stream.Position=0;
returnnewStreamReader(stream).ReadToEnd();
}

privateDictionary<string,string>CollectInformation()
{
varinfo=newDictionary<string,string>();
info["Version"]=Utils.DetermineToolVersion();
info["InstallPath"]=GetInstallPath();
returninfo;
}

privatestringGetInstallPath()=>Directory.GetParent(typeof(Utils).Assembly.Location)!.FullName;
}