def _process(self):
step = int(request.form.get('step', 1))
form = self._form_for_step(step, set_defaults=True)
prev_form = self._form_for_step(step - 1)
if prev_form and not prev_form.validate():
form = prev_form
step = step - 1
elif step > 2:
# last step - perform actual cloning
form = ImportContentsForm(self.source_event, self.event)
if form.validate_on_submit():
updated_event = clone_into_event(self.source_event, self.event,
set(form.selected_items.data))
flash(_('Import successful!'), 'success')
return jsonify_data(redirect=url_for(
'event_management.settings', updated_event),
flash=False)
else:
# back to step 2, since there's been an error
step = 2
dependencies = {
c.name: {
'requires': list(c.requires_deep),
'required_by': list(c.required_by_deep)
}
for c in EventCloner.get_cloners(self.event)
}
return jsonify_template('events/management/import_event.html',
event=self.event,
step=step,
form=form,
cloner_dependencies=dependencies)
def _form_for_step(self, step, set_defaults=True):
if step == 1:
return ImportSourceEventForm()
elif step == 2:
return ImportContentsForm(self.source_event, self.event, set_defaults=set_defaults)
else:
return None