public async Task HandleSupporterCheckoutCompletedAsync(Session session, CancellationToken cancellationToken = default)
{
var duration = session.Metadata.TryGetValue("duration", out var x) && long.TryParse(x, out var y) ? y : 0;
var amount = session.Metadata.TryGetValue("amount", out var z) && double.TryParse(z, out var w) ? w : 0;
if (duration == 0)
{
return; // this shouldn't happen
}
var now = DateTime.UtcNow;
await using (await _writeControl.EnterAsync(cancellationToken))
{
var result = await _users.AddSupporterDurationAsync(session.ClientReferenceId, TimeSpan.FromDays(duration / 12.0 * 365.2422), amount, cancellationToken);
if (result.IsT0)
{
await AddDonationProgress(now, amount, cancellationToken);
}
else
{
throw new Exception($"User {session.ClientReferenceId} could not be found.");
}
}
}
protected sealed override async Task ExecuteAsync(CancellationToken stoppingToken)
{
while (!stoppingToken.IsCancellationRequested)
{
try
{
if (!Enabled)
{
goto sleep;
}
await using (await _writeControl.EnterAsync(stoppingToken))
await using (await _locker.EnterAsync($"scrape:{Type}", stoppingToken))
{
_logger.LogDebug($"Begin {Type} scrape.");
// run tests before scrape
await TestAsync(stoppingToken);
// load last state from storage
var state = await _storage.ReadObjectAsync <TState>($"scrapers/{Type}/state", stoppingToken) ?? new TState();
// execute scraper
using (ScraperMetrics.ScrapingTime.Labels(Type.ToString()).Measure())
await RunAsync(state, stoppingToken);
// save state
await _storage.WriteObjectAsync($"scrapers/{Type}/state", state, stoppingToken);
if (_logger.IsEnabled(LogLevel.Debug))
{
_logger.LogDebug($"Saved scraper state {Type}: {JsonConvert.SerializeObject(state)}");
}
_logger.LogDebug($"End {Type} scrape.");
}
}
catch (Exception e)
{
SentrySdk.CaptureException(e);
ScraperMetrics.ScrapeErrors.Labels(Type.ToString()).Inc();
_logger.LogWarning(e, $"Exception while scraping {Type}.");
}
sleep:
await Task.Delay(_options.CurrentValue.Interval, stoppingToken);
}
}