def handler_trigger_transition(sender, **kwargs):
action = kwargs['instance']
Document = apps.get_model(app_label='documents', model_name='Document')
WorkflowInstance = apps.get_model(app_label='document_states',
model_name='WorkflowInstance')
WorkflowTransition = apps.get_model(app_label='document_states',
model_name='WorkflowTransition')
trigger_transitions = WorkflowTransition.objects.filter(
trigger_events__event_type__name=kwargs['instance'].verb)
if isinstance(action.target, Document):
workflow_instances = WorkflowInstance.objects.filter(
workflow__transitions__in=trigger_transitions,
document=action.target).distinct()
elif isinstance(action.action_object, Document):
workflow_instances = WorkflowInstance.objects.filter(
workflow__transitions__in=trigger_transitions,
document=action.action_object).distinct()
else:
workflow_instances = WorkflowInstance.objects.none()
for workflow_instance in workflow_instances:
# Select the first transition that is valid for this workflow state
valid_transitions = list(
set(trigger_transitions)
& set(workflow_instance.get_transition_choices()))
if valid_transitions:
workflow_instance.do_transition(
comment=_('Event trigger: %s') %
EventType.get(name=action.verb).label,
transition=valid_transitions[0])
def test_workflow_state_action_event_trigger(self):
# actions 1 and 2 both trigger the transition event, to make this
# test case independent of the order of execution of actions 1 and 2
state_1_action_data = json.dumps(
obj={
'document_label': TEST_DOCUMENT_EDIT_WORKFLOW_ACTION_TEXT_LABEL
})
self.test_workflow_state_1.actions.create(
label=TEST_WORKFLOW_STATE_ACTION_LABEL,
action_path=TEST_DOCUMENT_EDIT_WORKFLOW_ACTION_DOTTED_PATH,
action_data=state_1_action_data)
self.test_workflow_state_1.actions.create(
label=TEST_WORKFLOW_STATE_ACTION_LABEL_2,
action_path=TEST_DOCUMENT_EDIT_WORKFLOW_ACTION_DOTTED_PATH,
action_data=state_1_action_data)
state_2_action_data = json.dumps(
obj={
'document_description':
TEST_DOCUMENT_EDIT_WORKFLOW_ACTION_TEXT_DESCRIPTION
})
self.test_workflow_state_2.actions.create(
label=TEST_WORKFLOW_STATE_ACTION_LABEL,
action_path=TEST_DOCUMENT_EDIT_WORKFLOW_ACTION_DOTTED_PATH,
action_data=state_2_action_data)
EventType.refresh()
self.test_workflow_transition.trigger_events.create(
event_type=event_document_properties_edit.get_stored_event_type())
self.test_workflow.launch_for(document=self.test_document)
self.assertEqual(self.test_document.label,
TEST_DOCUMENT_EDIT_WORKFLOW_ACTION_TEXT_LABEL)
self.assertEqual(self.test_document.description,
TEST_DOCUMENT_EDIT_WORKFLOW_ACTION_TEXT_DESCRIPTION)
def get_initial(self):
obj = self.get_object()
initial = []
# Return the queryset by name from the sorted list of the class
event_type_ids = [event_type.id for event_type in EventType.all()]
event_type_queryset = StoredEventType.objects.filter(
name__in=event_type_ids)
# Sort queryset in Python by namespace, then by label
event_type_queryset = sorted(event_type_queryset,
key=lambda x: (x.namespace, x.label))
for event_type in event_type_queryset:
initial.append({
'transition': obj,
'event_type': event_type,
})
return initial
def dispatch(self, *args, **kwargs):
EventType.refresh()
return super(WorkflowTemplateTransitionTriggerEventListView,
self).dispatch(*args, **kwargs)