notifier/orm/notification.py
2024-01-26 03:40:49 +03:00

42 lines
1013 B
Python

import time
from enum import Enum as Enumeration
from sqlalchemy import JSON, Column, ForeignKey, Integer, String
from sqlalchemy.orm import relationship
from orm.author import Author
from services.db import Base
class NotificationEntity(Enumeration):
REACTION = 'reaction'
SHOUT = 'shout'
FOLLOWER = 'follower'
class NotificationAction(Enumeration):
CREATE = 'create'
UPDATE = 'update'
DELETE = 'delete'
SEEN = 'seen'
FOLLOW = 'follow'
UNFOLLOW = 'unfollow'
class NotificationSeen(Base):
__tablename__ = 'notification_seen'
viewer = Column(ForeignKey('author.id'))
notification = Column(ForeignKey('notification.id'))
class Notification(Base):
__tablename__ = 'notification'
created_at = Column(Integer, server_default=str(int(time.time())))
entity = Column(String, nullable=False)
action = Column(String, nullable=False)
payload = Column(JSON, nullable=True)
seen = relationship(lambda: Author, secondary='notification_seen')