public override async Task <int> ExecuteAsync()
{
var http = HttpClientFactory.Create();
var configured = Files;
if (Files.Count == 0)
{
// Implicitly, running with no files means listing all
configured = GetConfiguredFiles().ToList();
}
else
{
// Otherwise, switch to the configured versions to get url and etag
configured = GetConfiguredFiles().Intersect(Files, new FileSpecComparer()).ToList();
}
var length = configured.Select(x => x.Path).Max(x => x.Length) + 1;
Action <string> writefixed = s => Console.Write(s + new string(' ', length - s.Length));
foreach (var file in configured)
{
writefixed(file.Path);
if (!File.Exists(file.Path))
{
Console.Write('?');
Console.Write(" <= ");
Console.WriteLine(file.Uri?.OriginalString);
continue;
}
var request = new HttpRequestMessage(HttpMethod.Head, file.Uri);
var response = await http.SendAsync(request, HttpCompletionOption.ResponseHeadersRead);
if (response.IsSuccessStatusCode)
{
if (File.Exists(file.Path))
{
if (response.Headers.ETag?.Tag?.Trim('"') != file.ETag)
{
Console.Write('^');
}
else
{
Console.Write('=');
}
}
else
{
Console.Write('?');
}
Console.WriteLine($" <- {file.Uri?.OriginalString}");
}
else
{
Console.WriteLine($"x <- {file.Uri?.OriginalString}");
Console.WriteLine($"{new string(' ', length + 5)}{(int)response.StatusCode}: {response.ReasonPhrase}");
}
}
foreach (var unknown in Files.Except(configured, new FileSpecComparer()))
{
writefixed(unknown.Path);
Console.WriteLine("x Unconfigured");
}
return(0);
}