def sa_news_model(sa_news_abc, sa_declarative_base):
return sa.create_news(sa_news_abc, sa_declarative_base)
def sa_news_model(sa_news_abc, sa_declarative_base):
return sa.create_news(sa_news_abc, sa_declarative_base)
@property
def user_rating(self):
return self.get_rating(user=current_user)
def get_rating(self, user=None):
user = user or current_user
if user.is_anonymous:
return None
try:
rating = [r for r in self.ratings if r.user == self.owner][0]
return rating.positive
except IndexError:
return None
News = create_news(NewsABC, db.Model)
class NewsSchema(get_base_schema(News)):
user_rating = fields.Boolean(allow_none=True)
class Rating(db.Model):
@declared_attr
def __table__args(cls):
return (UniqueConstraint('user_id', 'news_id'),)
@declared_attr
def user_id(cls):
return Column(Integer, ForeignKey(User.id))
