Now that we have seen how the basics of server-side scripting work, we can take a look at some scripting examples to further our knowledge of how to use these introductory server-side techniques.
We'll start with a further business rule example.
This time, we will create a before delete business rule to ensure that directors are not deleted. We need to set the business rule to advanced; select the delete checkbox and before in the When field. Let's have a look at the code:
(function executeRule(current, previous /*null when async*/) {
if (current.title == 'Director') {
gs.addErrorMessage('Cannot delete Director');
current.setAbortAction(true);
action.setRedirectURL(current);
}
})(current, previous);Here, we are checking whether the user is a director using the title field, and if so, using setAbortAction to stop the delete going ahead. To ensure the user is kept informed, we are also using addErrorMessage to display a message to the user and action.setRedirectURL...