def update_model(self, form, model):
"""
Update model from form.
:param form:
Form instance
:param model:
Model instance
"""
try:
with self.session.begin_nested():
form.populate_obj(model)
self._on_model_change(form, model, False)
except Exception as ex:
if not self.handle_view_exception(ex):
flash(gettext('Failed to update record. %(error)s', error=str(ex)), 'error')
log.exception('Failed to update record.')
transaction.doom()
return False
else:
self.after_model_change(form, model, False)
return True
def create_model(self, form):
"""
Create model from form.
:param form:
Form instance
"""
try:
with self.session.begin_nested():
model = self.model()
form.populate_obj(model)
self.session.add(model)
self._on_model_change(form, model, True)
self.session.flush()
except Exception as ex:
if not self.handle_view_exception(ex):
flash(gettext('Failed to create record. %(error)s', error=str(ex)), 'error')
log.exception('Failed to create record.')
transaction.doom()
return False
else:
self.after_model_change(form, model, True)
return model
