def _get_grade_info(self, fid, num=30):
"""获取食品评论和评分
@apiDescription 评分
@api {get} / 评分的字段
@apiGroup grade
@apiSuccess {Number} gid 评分id
@apiSuccess {Number} fid 食品id
@apiSuccess {Number} uid 评论者
@apiSuccess {Number} seller 商家
@apiSuccess {Number} score 评分
@apiSuccess {String} score_at 评论时间
@apiSuccess {String} comment 评论内容
@apiSuccess {Number} speed 配送速度
"""
grades = Grade.get_last_n_items(self.orm_session, fid, num)
result = []
for grade in grades:
result.append(dict(
gid=grade.id,
fid=fid,
uid=grade.uid,
seller=grade.seller,
score=grade.score,
score_at=str(grade.score_at),
comment=grade.comment.decode("utf-8"),
speed=grade.speed,
))
return result
