public override async Task ProcessAsync(TagHelperContext context, TagHelperOutput output)
{
if (!(_html is IViewContextAware htmlHelper))
{
throw new Exception("Uncontextualizable IHtmlHelper.");
}
htmlHelper.Contextualize(ViewContext);
var viewModel = new VercelLatestDeploymentViewModel
{
InitializationStatus = _deploymentService.GetInitializationStatus(),
};
if (
viewModel.InitializationStatus.IsReadConfigured
)
{
try
{
viewModel.LatestDeployment = await _deploymentService.GetLatestProductionDeploymentAsync();
viewModel.IsWaitingForDeployment = _deploymentStatusService.IsWaitingForDeployment();
}
catch (Exception e)
{
_logger.LogWarning(e, "Couldn't get latest production deployment.");
}
}
var renderedHtml = await _html.PartialAsync("VercelLatestDeployment", viewModel);
output.TagName = null;
output.Content.SetHtmlContent(renderedHtml);
}
public virtual Task <Deployment> GetLatestProductionDeploymentAsync()
{
return(_cache.GetOrAddAsync(DeploymentCacheKeys.LatestDeployment, async entry => {
ThrowIfReadNotConfigured();
entry.AddExpirationToken(_signal.GetToken(DeploymentCacheKeys.LatestDeployment));
var latestDeployment = await GetLatestProductionDeploymentAsync_Impl();
// Reset waiting for deployment, if another new production deployment has arrived
_deploymentStatus.MaybeResetWaitingForDeployment(latestDeployment?.Id);
entry.SetAbsoluteExpiration(DateTime.UtcNow + TimeSpan.FromSeconds(
_deploymentStatus.IsWaitingForDeployment()
? _deploymentOptions.HighPriorityCacheInSeconds
: _deploymentOptions.CacheInSeconds
));
return latestDeployment;
}));
}
