68 lines
2.4 KiB
Python
68 lines
2.4 KiB
Python
#!/usr/bin/env python
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#
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# Really Simple BBS - a really simple BBS for ax.25 packet radio.
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# Copyright (C) 2023 John Burwell <john@atatdotdot.com>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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from datetime import datetime, timezone
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from sqlalchemy import Boolean, DateTime, String, Integer,\
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Table, ForeignKey, Column
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from sqlalchemy.orm import DeclarativeBase, Mapped
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from sqlalchemy.orm import mapped_column, relationship, backref
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class Base(DeclarativeBase):
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pass
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# Define the association table that links users and messages
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user_message_table = Table('user_message', Base.metadata,
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Column('user_id',
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Integer, ForeignKey('user.id')),
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Column('message_id',
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Integer, ForeignKey('message.id')))
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# Messages
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class Message(Base):
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__tablename__ = 'message'
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id: Mapped[int] = mapped_column(primary_key=True)
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sender: Mapped[str] = mapped_column(String)
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recipient: Mapped[str] = mapped_column(String)
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subject: Mapped[str] = mapped_column(String)
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message: Mapped[str] = mapped_column(String)
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datetime: Mapped[DateTime] = mapped_column(
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DateTime, default=datetime.now(timezone.utc))
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is_private: Mapped[bool] = mapped_column(Boolean)
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# Users
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class User(Base):
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__tablename__ = 'user'
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id: Mapped[int] = mapped_column(primary_key=True)
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callsign: Mapped[str] = mapped_column(String)
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given_name: Mapped[str] = mapped_column(String, nullable=True)
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family_name: Mapped[str] = mapped_column(String, nullable=True)
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login_count: Mapped[int] = mapped_column(Integer)
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login_last: Mapped[DateTime] = mapped_column(
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DateTime, default=datetime.now(timezone.utc))
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messages = relationship('Message',
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secondary=user_message_table,
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backref='read_by')
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