MyMidas/backend/app/db/models/category.py
megaproxy 61a7884ee5 Initial commit: MyMidas personal finance tracker
Full-stack self-hosted finance app with FastAPI backend and React frontend.

Features:
- Accounts, transactions, budgets, investments with GBP base currency
- CSV import with auto-detection for 10 UK bank formats
- ML predictions: spending forecast, net worth projection, Monte Carlo
- 7 selectable themes (Obsidian, Arctic, Midnight, Vault, Terminal, Synthwave, Ledger)
- Receipt/document attachments on transactions (JPEG, PNG, WebP, PDF)
- AES-256-GCM field encryption, RS256 JWT, TOTP 2FA, RLS, audit log
- Encrypted nightly backups + key rotation script
- Mobile-responsive layout with bottom nav

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-04-21 11:56:10 +00:00

26 lines
1.4 KiB
Python

import uuid
from datetime import datetime
from sqlalchemy import Boolean, DateTime, ForeignKey, Integer, String, Text
from sqlalchemy.dialects.postgresql import UUID
from sqlalchemy.orm import Mapped, mapped_column, relationship
from app.db.base import Base
class Category(Base):
__tablename__ = "categories"
id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
user_id: Mapped[uuid.UUID | None] = mapped_column(UUID(as_uuid=True), ForeignKey("users.id", ondelete="CASCADE"), nullable=True, index=True)
name: Mapped[str] = mapped_column(Text, nullable=False)
parent_id: Mapped[uuid.UUID | None] = mapped_column(UUID(as_uuid=True), ForeignKey("categories.id"), nullable=True)
type: Mapped[str] = mapped_column(String(20), nullable=False) # income | expense | transfer
icon: Mapped[str | None] = mapped_column(Text, nullable=True)
color: Mapped[str | None] = mapped_column(String(7), nullable=True)
is_system: Mapped[bool] = mapped_column(Boolean, default=False, nullable=False)
sort_order: Mapped[int] = mapped_column(Integer, default=0, nullable=False)
created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), nullable=False)
children: Mapped[list["Category"]] = relationship(lazy="noload")
budgets: Mapped[list["Budget"]] = relationship(back_populates="category", lazy="noload") # type: ignore[name-defined]