GitHub Mark Files As Viewed

MarkFilesAsViewed.linq

<Query Kind="Program">
  <NuGetReference Prerelease="true">Octokit.GraphQL</NuGetReference>
  <Namespace>Octokit.GraphQL</Namespace>
  <Namespace>Octokit.GraphQL.Model</Namespace>
  <Namespace>Newtonsoft.Json</Namespace>
  <Namespace>System.Threading.Tasks</Namespace>
</Query>

async Task Main()
{
	var prNumber = 1;
	var allFiles = true;
	var fileNameContains = "";
	var filesViewed = true;
	var org = "BlythMeister";
	var repoName = "Gallifrey";
	var apiToken = "my_api_key";
	
	await DoStuff(apiToken, org, repoName, prNumber, allFiles, fileNameContains, filesViewed);
}

async Task DoStuff(string apiToken, string org, string repoName, int prNumber, bool allFiles, string fileNameContains)
{
	var productInformation = new ProductHeaderValue("FileAsViewed", "0");
	var connection = new Connection(productInformation, apiToken);

	var prQuery = new Query()
		.RepositoryOwner(org)
		.Repository(repoName)
		.PullRequest(prNumber)
		.Select(x => x.Id)
		.Compile();

	var filesQuery = new Query()
		.RepositoryOwner(org)
		.Repository(repoName)
		.PullRequest(prNumber)
		.Files(null, null, null, null)
		.AllPages()
		.Select(x => x.Path)
		.Compile();

	var pr = await connection.Run(prQuery);
	var files = await connection.Run(filesQuery);

	foreach (var file in files.Where(x => allFiles || x.Contains(fileNameContains)))
	{	
		string mutation;
		
		if(fileViewed)
		{
			Console.WriteLine($"Marking '{file}' as viewed");
			mutation = $"{{\"query\":\"mutation {{markFileAsViewed(input: {{pullRequestId:\\\"{pr}\\\",path:\\\"{file}\\\",clientMutationId:\\\"{file}\\\"}}){{ clientMutationId }}}}\"";	
		}
		else
		{
			Console.WriteLine($"Marking '{file}' as un-viewed");
			mutation = $"{{\"query\":\"mutation {{unmarkFileAsViewed(input: {{pullRequestId:\\\"{pr}\\\",path:\\\"{file}\\\",clientMutationId:\\\"{file}\\\"}}){{ clientMutationId }}}}\"";
		}
		
		var res = await connection.Run(mutation);
		var expectedResponseContains = $"\"clientMutationId\":\"{file}\"";
				
		if (!res.Contains(expectedResponseContains))
		{
			Console.WriteLine($"ERROR ON '{file}'");
		}
	}
}