core/orm/notification.py
2024-08-07 08:57:56 +03:00

52 lines
1.3 KiB
Python

import time
from enum import Enum as Enumeration
from sqlalchemy import JSON, Column, ForeignKey, Integer, String
from sqlalchemy.exc import ProgrammingError
from sqlalchemy.orm import relationship
from orm.author import Author
from services.db import Base, engine
from utils.logger import root_logger as logger
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")
try:
Notification.__table__.create(engine)
logger.info("Table `notification` was created.")
except ProgrammingError:
# Handle the exception here, for example by printing a message
logger.info("Table `notification` already exists.")