52 lines
1.3 KiB
Python
52 lines
1.3 KiB
Python
import time
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from enum import Enum as Enumeration
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from sqlalchemy import JSON, Column, ForeignKey, Integer, String
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from sqlalchemy.exc import ProgrammingError
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from sqlalchemy.orm import relationship
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from orm.author import Author
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from services.db import Base, engine
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from services.logger import root_logger as logger
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class NotificationEntity(Enumeration):
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REACTION = "reaction"
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SHOUT = "shout"
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FOLLOWER = "follower"
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class NotificationAction(Enumeration):
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CREATE = "create"
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UPDATE = "update"
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DELETE = "delete"
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SEEN = "seen"
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FOLLOW = "follow"
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UNFOLLOW = "unfollow"
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class NotificationSeen(Base):
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__tablename__ = "notification_seen"
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viewer = Column(ForeignKey("author.id"))
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notification = Column(ForeignKey("notification.id"))
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class Notification(Base):
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__tablename__ = "notification"
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created_at = Column(Integer, server_default=str(int(time.time())))
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entity = Column(String, nullable=False)
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action = Column(String, nullable=False)
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payload = Column(JSON, nullable=True)
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seen = relationship(lambda: Author, secondary="notification_seen")
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try:
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Notification.__table__.create(engine)
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logger.info("Table `notification` was created.")
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except ProgrammingError:
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# Handle the exception here, for example by printing a message
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logger.info("Table `notification` already exists.")
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