private async Task RunAsync(ProcessableCronJob job, TaskContext context)
{
var cronSchedule = job.Schedule;
var nowInstant = _instantFactory(cronSchedule, timeZone);
var lastInstant = GetLastInstant(job, nowInstant);
if (nowInstant.GetNextInstants(lastInstant).Any())
{
using (var scopedContext = _serviceProvider.CreateScope())
{
var provider = scopedContext.ServiceProvider;
var cronJob = (IJob)provider.GetService(job.Type);
job.CreatedAt = nowInstant.NowInstant;
try
{
Stopwatch sw = new Stopwatch();
sw.Start();
await cronJob.InvokeAsync(context);
sw.Stop();
job.LastRun = nowInstant.NowInstant;
_logger.LogDebug($"{job.ToString()} is executed. Utc: {nowInstant.NowInstant}, TotalSeconds: {sw.Elapsed.TotalSeconds}");
}
catch (Exception ex)
{
_jobStorage.Set(cronJob.Id, cronJob);
_logger.LogError(ex, $"{nameof(CronJobScheduler)} exception");
}
job.Next = nowInstant.NextInstant.HasValue ? (DateTime?)nowInstant.NextInstant.Value : null;
}
}
}
private DateTime GetLastInstant(ProcessableCronJob job, IScheduleInstant instant)
{
DateTime lastInstant;
if (job.LastRun != default(DateTime))
{
lastInstant = job.LastRun;
}
else if (job.CreatedAt != default(DateTime))
{
lastInstant = job.CreatedAt;
}
else if (job.Next.HasValue)
{
lastInstant = job.Next.Value;
lastInstant = lastInstant.AddSeconds(-1);
}
else
{
lastInstant = instant.NowInstant.AddSeconds(-1);
}
return(lastInstant);
}