Editing Cron Events and Simple email Reports (section)

= Step 5: Set up the crontab to email you this report =

In order to set up the cron event we need to add some code to an EPMC screen related to this package, follow the instructions @ http://wiki.eprints.org/w/XML_manipulation_of_the_EPrints_Workflow_using_a_Bazaar_Package on creating an EPMC screen with and enable and disable method.

To enable cron we need to add the following to the enable method:

<source lang=perl>
EPrints::DataObj::EventQueue->create_unique( $repository, {
    pluginid => "Event",
    action => "cron",
    params => [
        "0,15,30,45,60 * * * *",
        "Event::EPrintsReportEx",
        "action_send_email",
    ],
});
</source>

This will send you an update email every 15 minutes, note that EPrints uses the standard cron syntax so you can change this as you will. 

A guide on using cron can be found @ http://en.wikipedia.org/wiki/Cron

We also need to disable this event again when the package is removed, to do this add the following to the disable method:

<source lang=perl>
my $event = EPrints::DataObj::EventQueue->new_from_hash( $repository, {
    pluginid => "Event",
    action => "cron",
    params => [
        "0,15,30,45,60 * * * *",
        "Event::EPrintsReportEx",
        "action_send_email",
    ],
});
$event->delete if (defined $event);
</source>

Note that the 2 events and cron syntax's MUST match.