Best place to call your recuring jobs

question
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1

Hi guys. I have one question. I need RecurringJob that will do something every hour. Lets say for example send an email. Every tutorial is doing same thing, something like this:

RecurringJob.AddOrUpdate(() => Console.WriteLine("Message goes here."), Cron.Hourly);

And they put that line of code in the Startup.cs/Prgoram.cs. But first of all, I guess we should not call it from Program.cs? But where should we place this line of code, since I dont want use Console.WriteLine but some methode from my services. For example:

RecurringJob.AddOrUpdate(() => _emailService.SendEmail(message), Cron.Hourly);
2

You can put it in Program.cs. To use RecurringJob the Hangfire setup/initialization code has to have already run. In your example there is message. Where is message coming from? Does it send the same email every hour?

3

Hi aschenta, thx for your help, I did it like this, in Program.cs.

RecurringJob.AddOrUpdate<IEmailService>(x => x.SendEmail(), Cron.Hourly);

Which is fine for my use case, but let’s say if I need to send some parameter to method, would it be possible?

4

Technically yes but no. It is recurring. Anything you pass would be hard coded. If you have to determine something I would create a class to perform the logic.

public class SendEmailJob
{
    private readonly IEmailService _emailService;

    public SendEmailJob(IEmailService emailService)
    {
        _emailService = emailService;
    }

    public void Send()
    {
        // Logic here to determine what to email.

        _emailService.Send(...);
    }
}

Then it would be

RecurringJob.AddOrUpdate<SendEmailJob>(x => x.Send(), Cron.Hourly);