def post(self):
greeting = Greeting()
if (not self.try_update_model(greeting)
or not self.validate(greeting, greeting_validator)):
return self.get(greeting)
with session() as db:
repo = Repository(db)
if not repo.add_greeting(greeting):
self.error('Sorry, can not add your greeting.')
return self.get(greeting)
db.commit()
return self.see_other_for('list')
