public void TestFirstRun(string cronExpression, string nowDateTime, string expectedDateTime)
{
// Arrange
var cron = CronExpression.Parse(cronExpression);
var lastOccurence = default(DateTime?);
var now = DateTime.Parse(nowDateTime).AsUtc();
// Act
var missedOccurrences = _provider.GetMissedOccurrenceAsync(cron, lastOccurence, now);
// Assert
var expected = DateTime.Parse(expectedDateTime).AsUtc();
Assert.NotNull(missedOccurrences);
Assert.Equal(1, missedOccurrences.Count);
Assert.Equal(expected, missedOccurrences.Single());
}
public async Task ExecuteAsync(string scheduleCronExpression)
{
if (!await Lock.WaitAsync(TimeSpan.FromMilliseconds(100)))
{
_log.Info("Job execution has been skipped because previous job is still executing");
return;
}
try
{
var scheduleCron = CronExpression.Parse(scheduleCronExpression);
_log.Info
(
$"Executing the job. Schedule CRON: {scheduleCron}, balances interval: {_reportSettings.BalancesIntervalFromSchedule}"
);
var lastOccurrence = await _lastReportOccurrenceRepository.GetLastOccurrenceOrDefaultAsync();
var now = DateTime.UtcNow;
_log.Info($"Last report occurence is [{lastOccurrence:s}]");
var missedOccurrencesProvider = new JobMissedOccurrencesProvider();
var missedOccurrences = missedOccurrencesProvider.GetMissedOccurrenceAsync(scheduleCron, lastOccurrence, now);
_log.Info("Missed occurrences", missedOccurrences);
foreach (var occurrence in missedOccurrences)
{
await _reportBuilder.BuildAsync(occurrence + _reportSettings.BalancesIntervalFromSchedule);
await _lastReportOccurrenceRepository.SaveLastOccurrenceAsync(occurrence);
}
}
finally
{
Lock.Release();
_log.Info("Job execution has been finished");
}
}