FreeDATA/modem/message_system_db_model.py
2024-01-30 21:22:04 +01:00

69 lines
2.4 KiB
Python

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