private async Task RecordUsage()
{
var utcNow = DateTimeOffset.UtcNow;
// We only have to record usage once per calendar day.
if (_lastRecordedUsage == null || _lastRecordedUsage?.DayOfYear != utcNow.DayOfYear)
{
using (var context = new ShipHubContext()) {
await context.RecordUsage(_user.UserId, utcNow);
}
_lastRecordedUsage = utcNow;
}
}