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70 lines
2.4 KiB
Python
70 lines
2.4 KiB
Python
# models.py
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from sqlalchemy import Column, String, Integer, JSON, ForeignKey, DateTime
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from sqlalchemy.orm import declarative_base, relationship
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Base = declarative_base()
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class Station(Base):
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__tablename__ = 'station'
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callsign = Column(String, primary_key=True)
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checksum = Column(String, nullable=True)
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location = Column(JSON, nullable=True)
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info = Column(JSON, nullable=True)
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def to_dict(self):
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return {
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'callsign': self.callsign,
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'checksum': self.checksum,
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'location': self.location,
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'info': self.info,
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}
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class Status(Base):
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__tablename__ = 'status'
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id = Column(Integer, primary_key=True)
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name = Column(String, unique=True)
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class P2PMessage(Base):
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__tablename__ = 'p2p_message'
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id = Column(String, primary_key=True)
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origin_callsign = Column(String, ForeignKey('station.callsign'))
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via_callsign = Column(String, ForeignKey('station.callsign'), nullable=True)
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destination_callsign = Column(String, ForeignKey('station.callsign'))
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body = Column(String, nullable=True)
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attachments = relationship('Attachment', backref='p2p_message')
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timestamp = Column(DateTime)
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status_id = Column(Integer, ForeignKey('status.id'), nullable=True)
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status = relationship('Status', backref='p2p_messages')
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direction = Column(String)
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statistics = Column(JSON, nullable=True)
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def to_dict(self):
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return {
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'id': self.id,
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'timestamp': self.timestamp.isoformat() if self.timestamp else None,
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'origin': self.origin_callsign,
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'via': self.via_callsign,
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'destination': self.destination_callsign,
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'direction': self.direction,
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'body': self.body,
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'attachments': [attachment.to_dict() for attachment in self.attachments],
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'status': self.status.name if self.status else None,
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'statistics': self.statistics
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}
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class Attachment(Base):
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__tablename__ = 'attachment'
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id = Column(Integer, primary_key=True)
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name = Column(String)
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data_type = Column(String)
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data = Column(String)
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message_id = Column(String, ForeignKey('p2p_message.id'))
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def to_dict(self):
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return {
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'id': self.id,
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'name': self.name,
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'data_type': self.data_type,
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'data': self.data # Be cautious with large binary data
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}
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