52 lines
1.3 KiB
Python
52 lines
1.3 KiB
Python
import time
|
|
from enum import Enum as Enumeration
|
|
|
|
from sqlalchemy import JSON, Column, ForeignKey, Integer, String
|
|
from sqlalchemy.orm import relationship
|
|
from sqlalchemy.exc import ProgrammingError
|
|
|
|
from orm.author import Author
|
|
from services.db import Base, engine
|
|
from services.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.")
|