gallery.accords-library.com/server/szurubooru/db/comment.py

38 lines
1.4 KiB
Python

from sqlalchemy import Column, Integer, DateTime, Text, ForeignKey
from sqlalchemy.orm import relationship, object_session
from sqlalchemy.sql.expression import func
from szurubooru.db.base import Base
class CommentScore(Base):
__tablename__ = 'comment_score'
comment_id = Column('comment_id', Integer, ForeignKey('comment.id'), primary_key=True)
user_id = Column('user_id', Integer, ForeignKey('user.id'), primary_key=True)
time = Column('time', DateTime, nullable=False)
score = Column('score', Integer, nullable=False)
comment = relationship('Comment')
user = relationship('User')
class Comment(Base):
__tablename__ = 'comment'
comment_id = Column('id', Integer, primary_key=True)
post_id = Column('post_id', Integer, ForeignKey('post.id'), nullable=False)
user_id = Column('user_id', Integer, ForeignKey('user.id'))
creation_time = Column('creation_time', DateTime, nullable=False)
last_edit_time = Column('last_edit_time', DateTime)
text = Column('text', Text, default=None)
user = relationship('User')
post = relationship('Post')
scores = relationship(
'CommentScore', cascade='all, delete-orphan', lazy='joined')
@property
def score(self):
return object_session(self) \
.query(func.sum(CommentScore.score)) \
.filter(CommentScore.comment_id == self.comment_id) \
.one()[0] or 0