def add_borrower(self, context):
# print(context)
if UserController.is_exist(context['user_id']) and BookController.is_exist(context['book_id']):
context['borrowed_at'] = str(date.today())
context['return_at'] = str(date.today() + timedelta(days=7))
book = BookController.search_book({'_id': context['book_id']})[0]
book['stock'] = int(book['stock']) - 1
BookController.update_book(book)
self._model.insert(context)
else:
print('user_id or book_id doesnt exist, failed to create...')
