MCC_Updates/models.py at main · Hooklight/MCC_Updates · GitHub

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from sqlalchemy import Column, BigInteger, Integer, Text, Date, Numeric, JSON, Enum, ForeignKey, TIMESTAMP
from sqlalchemy.orm import relationship
from .db import Base
import enum

class InstrumentKind(enum.Enum):
    equity='equity'; note='note'; safe='safe'; loan='loan'; other='other'

class EventType(enum.Enum):
    investment='investment'; distribution='distribution'; repayment='repayment'; conversion='conversion'; info='info'

class Company(Base):
    __tablename__='companies'
    company_pk = Column(BigInteger, primary_key=True, autoincrement=True)
    company_id = Column(Text, unique=True, nullable=False)
    legal_name = Column(Text, nullable=False)
    description = Column(Text)
    created_at = Column(TIMESTAMP)
    aliases = relationship("CompanyAlias", back_populates="company")
    instruments = relationship("Instrument", back_populates="company")
    events = relationship("Event", back_populates="company")
    updates = relationship("Update", back_populates="company")

class CompanyAlias(Base):
    __tablename__='company_aliases'
    company_pk = Column(BigInteger, ForeignKey('companies.company_pk', ondelete='CASCADE'), primary_key=True)
    alias = Column(Text, primary_key=True)
    company = relationship("Company", back_populates="aliases")

class Instrument(Base):
    __tablename__='instruments'
    instrument_id = Column(BigInteger, primary_key=True, autoincrement=True)
    company_pk = Column(BigInteger, ForeignKey('companies.company_pk', ondelete='CASCADE'))
    kind = Column(Enum(InstrumentKind), nullable=False)
    name = Column(Text)
    terms_json = Column(JSON)
    company = relationship("Company", back_populates="instruments")
    events = relationship("Event", back_populates="instrument")

class Event(Base):
    __tablename__='events'
    event_id = Column(BigInteger, primary_key=True, autoincrement=True)
    company_pk = Column(BigInteger, ForeignKey('companies.company_pk', ondelete='CASCADE'))
    instrument_id = Column(BigInteger, ForeignKey('instruments.instrument_id'))
    event_date = Column(Date, nullable=False)
    type = Column(Enum(EventType), nullable=False)
    amount = Column(Numeric(15,2))
    subtype = Column(Text)
    note = Column(Text)
    party_in = Column(Text)
    party_out = Column(Text)
    created_at = Column(TIMESTAMP)
    company = relationship("Company", back_populates="events")
    instrument = relationship("Instrument", back_populates="events")

class Update(Base):
    __tablename__='updates'
    update_id = Column(Text, primary_key=True)  # use UUID string
    company_pk = Column(BigInteger, ForeignKey('companies.company_pk', ondelete='CASCADE'))
    date = Column(Date, nullable=False)
    source_type = Column(Text, nullable=False)
    source_ref = Column(Text)
    update_type = Column(Text, nullable=False)
    headline = Column(Text, nullable=False)
    body_text = Column(Text)
    structured_data = Column(JSON)
    created_at = Column(TIMESTAMP)
    company = relationship("Company", back_populates="updates")