Files
vela-platform/models.py
T

117 lines
4.2 KiB
Python

"""Vela Platform — SQLAlchemy models."""
from datetime import datetime, timezone
from sqlalchemy import (
Boolean,
Column,
DateTime,
Float,
ForeignKey,
Integer,
String,
Text,
UniqueConstraint,
create_engine,
)
from sqlalchemy.orm import DeclarativeBase, relationship
class Base(DeclarativeBase):
pass
class User(Base):
__tablename__ = "users"
id = Column(Integer, primary_key=True, autoincrement=True)
email = Column(String(255), unique=True, nullable=False)
password_hash = Column(String(255), nullable=False)
active = Column(Boolean, default=True, nullable=False)
created_at = Column(DateTime, default=lambda: datetime.now(timezone.utc))
class Service(Base):
__tablename__ = "services"
id = Column(Integer, primary_key=True, autoincrement=True)
name = Column(String(100), unique=True, nullable=False)
description = Column(Text, default="")
sell_price = Column(Float, default=0.0)
cost_price = Column(Float, default=0.0) # sum of component unit_cost * quantity
active = Column(Boolean, default=True, nullable=False)
sort_order = Column(Integer, default=0)
created_at = Column(DateTime, default=lambda: datetime.now(timezone.utc))
updated_at = Column(DateTime, default=lambda: datetime.now(timezone.utc),
onupdate=lambda: datetime.now(timezone.utc))
components = relationship("ServiceComponent", back_populates="service",
cascade="all, delete-orphan")
class ServiceComponent(Base):
__tablename__ = "service_components"
id = Column(Integer, primary_key=True, autoincrement=True)
service_id = Column(Integer, ForeignKey("services.id", ondelete="CASCADE"), nullable=False)
name = Column(String(100), nullable=False)
unit_cost = Column(Float, default=0.0)
unit_sell = Column(Float, default=0.0)
quantity = Column(Integer, default=1)
notes = Column(Text, default="")
created_at = Column(DateTime, default=lambda: datetime.now(timezone.utc))
service = relationship("Service", back_populates="components")
class Transaction(Base):
"""Frozen transaction — snapshots prices at time of sale."""
__tablename__ = "transactions"
__table_args__ = (
UniqueConstraint("source_type", "source_id", name="uq_transaction_source"),
)
id = Column(Integer, primary_key=True, autoincrement=True)
source_type = Column(String(20), default="manual") # "manual" or "order"
source_id = Column(Integer, nullable=True)
service_id = Column(Integer, ForeignKey("services.id"), nullable=True)
service_name_snapshot = Column(String(100), nullable=False)
quantity = Column(Integer, default=1)
unit_sell_price_snapshot = Column(Float, nullable=False)
unit_cost_snapshot = Column(Float, nullable=False)
revenue_total = Column(Float, nullable=False)
cogs_total = Column(Float, nullable=False)
gross_profit_total = Column(Float, nullable=False)
month_start_date = Column(String(10), nullable=False) # "2026-06"
payment_status = Column(String(20), default="unpaid") # unpaid, partial, paid, refunded
notes = Column(Text, default="")
created_at = Column(DateTime, default=lambda: datetime.now(timezone.utc))
class Expense(Base):
__tablename__ = "expenses"
id = Column(Integer, primary_key=True, autoincrement=True)
name = Column(String(200), nullable=False)
amount = Column(Float, nullable=False)
category = Column(String(100), default="general")
month_start_date = Column(String(10), nullable=False) # "2026-06"
notes = Column(Text, default="")
created_at = Column(DateTime, default=lambda: datetime.now(timezone.utc))
deleted_at = Column(DateTime, nullable=True)
class ExpenseTemplate(Base):
"""Recurring expense templates — generate actual expenses each month."""
__tablename__ = "expense_templates"
id = Column(Integer, primary_key=True, autoincrement=True)
name = Column(String(200), nullable=False)
amount = Column(Float, nullable=False)
category = Column(String(100), default="general")
active = Column(Boolean, default=True, nullable=False)
created_at = Column(DateTime, default=lambda: datetime.now(timezone.utc))