44 lines
1.2 KiB
Python
44 lines
1.2 KiB
Python
import time
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from sqlalchemy import *
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from sqlalchemy.orm import relationship
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from sqlalchemy.sql.functions import now
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from files.classes.base import Base
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from files.helpers.lazy import lazy
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from files.helpers.time import format_age
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class ViewerRelationship(Base):
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__tablename__ = "viewers"
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user_id = Column(Integer, ForeignKey('users.id'), primary_key=True)
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viewer_id = Column(Integer, ForeignKey('users.id'), primary_key=True)
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last_view_datetimez = Column(DateTime(timezone=True), nullable=False, server_default=now())
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Index('fki_view_viewer_fkey', viewer_id)
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viewer = relationship("User", primaryjoin="ViewerRelationship.viewer_id == User.id", viewonly=True)
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# def __init__(self, **kwargs):
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# if 'last_view_utc' not in kwargs:
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# kwargs['last_view_utc'] = int(time.time())
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# super().__init__(**kwargs)
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@property
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def last_view_utc(self):
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"""
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the last view timestamp in UTC seconds. Milliseconds are truncated/rounded down.
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"""
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return int(self.last_view_datetimez.timestamp())
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@property
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@lazy
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def last_view_since(self):
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return int(time.time()) - self.last_view_utc
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@property
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@lazy
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def last_view_string(self):
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return format_age(self.last_view_utc)
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