private async Task <IActionResult> TryServeBuildFileAsync(BuildFile buildFile, string version = null)
{
// FIXME: duplicate code
if (Request.Headers.TryGetValue(HeaderNames.IfNoneMatch, out var etag))
{
var resources = await _builds.GetAvailableBuildsAsync(CancellationToken);
foreach (var hash in etag)
{
if (resources.Contains(hash))
{
return(StatusCode((int)HttpStatusCode.NotModified));
}
}
}
if (!string.IsNullOrWhiteSpace(version))
{
var versionHash = await _builds.GetBuildByVersionAsync(version, CancellationToken);
if (versionHash == null)
{
return(NotFound(new { Message = $"Specified build {version} not found." }));
}
return(await ServeBuildFileAsync(version, buildFile, CancellationToken));
}
var buildHash = await _builds.GetLatestStableBuildAsync(CancellationToken);
if (buildHash == null)
{
return(NotFound(new { Message = "No builds found." }));
}
return(await ServeBuildFileAsync(buildHash, buildFile, CancellationToken));
}