public async Task RegisterJobAsync(IWhenDoJob job)
{
try
{
if (job.Schedule != null)
{
job.SetNextRun(DateTimeOffset.Now); //TODO: should be provider by datetimeprovider?
}
await jobRepository.SaveAsync(job);
}
catch (Exception ex)
{
logger.LogError(ex, $"Could not register job {job.Id}");
throw;
}
}
public void ExecuteJob(IWhenDoJob job, IWhenDoMessage context)
{
if (job.Commands.Count() == 0)
{
logger.LogWarning("Will not execute job {id} as it does not contain any commands", job.Id);
return;
}
if (job.Type == JobType.Scheduled)
{
job.SetNextRun(dtp.Now);
}
job.LastRun = dtp.Now;
jobRepository.SaveAsync(job);
foreach (var command in job.Commands)
{
try
{
switch (command.ExecutionStrategy.Mode)
{
//case ExecutionMode.Default:
// var commandExecutor = serviceProvider.GetRequiredService<IWhenDoCommandExecutor>();
// await commandExecutor.ExecuteAsync(context, command.Type, command.MethodName, command.Parameters);
// break;
case ExecutionMode.Default:
case ExecutionMode.Reliable:
{
hangfireClient.Enqueue <IWhenDoCommandExecutor>(x => x.ExecuteAsync(context, job.Id, command.Id));
logger.LogInformation($"Set command {command.Type} for immediate execution");
}
break;
case ExecutionMode.Delayed:
{
var providers = GetExpressionProviderInstancesForDelegate(command.ExecutionStrategy.Time, null).ToArray();
var time = (TimeSpan)command.ExecutionStrategy.Time.DynamicInvoke(providers);
hangfireClient.Schedule <IWhenDoCommandExecutor>(x => x.ExecuteAsync(context, job.Id, command.Id), time);
logger.LogInformation($"Delayed command {command.Type} with {time.ToString()}");
}
break;
case ExecutionMode.Scheduled:
{
var providers = GetExpressionProviderInstancesForDelegate(command.ExecutionStrategy.Time, null).ToArray();
var today = DateTimeOffset.Now.Date;
var time = (TimeSpan)command.ExecutionStrategy.Time.DynamicInvoke(providers);
var executionTime = (today + time > DateTime.Now) ? today + time : today.AddDays(1) + time;
hangfireClient.Schedule <IWhenDoCommandExecutor>(x => x.ExecuteAsync(context, job.Id, command.Id), executionTime);
logger.LogInformation($"Scheduled command {command.Type} at {executionTime.ToString()}");
}
break;
}
}
catch (Exception ex)
{
logger.LogError(ex, $"Error when executing command {command.Id}: {ex.Message}");
}
}
}