How to restart a terminated workflow?

3
votes

In a model with a workflow, when you create a new record it starts a new workflow instance. It will then transition between "activities" until it reaches a flow stop, typically a cancel or done state.

What I'm experiencing in OpenERP 6.1, is that once a workflow instance reaches the flow stop, it's dead and you cannot perform more transitions on it.

But I would like to have a Reset to draft button on a form that would allow a terminated workflow to be restarted. Is there a way to achieve this, say, through a Python call to a method of the Openerp workflow services?

2
workflowopenerp

2 Answers

6
votes

You can find an example at account payment module.

def set_to_draft(self, cr, uid, ids, *args):
    self.write(cr, uid, ids, {'state': 'draft'})
    wf_service = netsvc.LocalService("workflow")
    for id in ids:
        wf_service.trg_create(uid, 'your.model.name', id, cr)
    return True
1
votes

You need to delete the workflow instance and recreate it. Check the method action_cancel_draft in the purchase.order model; It does exactly what you want to do.