52 lines
1.5 KiB
Python
52 lines
1.5 KiB
Python
from datetime import datetime, date
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from typing import TYPE_CHECKING
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from sqlalchemy import ForeignKey, Table, Column
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from sqlalchemy.orm import Mapped, mapped_column, relationship
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from models import BaseModel
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if TYPE_CHECKING:
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from models import User
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expenses_expense_tags = Table(
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'expenses_expense_tags',
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BaseModel.metadata,
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Column('expense_id', ForeignKey('expenses.id', ondelete='CASCADE'), primary_key=True),
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Column('expense_tag_id', ForeignKey('expense_tags.id'), primary_key=True),
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)
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class Expense(BaseModel):
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__tablename__ = 'expenses'
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id: Mapped[int] = mapped_column(primary_key=True)
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created_at: Mapped[datetime] = mapped_column(nullable=False)
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spent_date: Mapped[date] = mapped_column(nullable=False)
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name: Mapped[str] = mapped_column()
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comment: Mapped[str] = mapped_column()
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amount: Mapped[float] = mapped_column()
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created_by_user_id: Mapped[int] = mapped_column(ForeignKey("users.id"), nullable=False)
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created_by_user: Mapped["User"] = relationship(foreign_keys=[created_by_user_id])
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tags: Mapped[list["ExpenseTag"]] = relationship(
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secondary=expenses_expense_tags,
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lazy='selectin',
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back_populates='expenses',
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cascade='all, delete',
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)
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class ExpenseTag(BaseModel):
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__tablename__ = 'expense_tags'
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id: Mapped[int] = mapped_column(primary_key=True)
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name: Mapped[str] = mapped_column(unique=True)
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expenses: Mapped[list["Expense"]] = relationship(
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secondary=expenses_expense_tags,
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lazy='selectin',
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back_populates='tags',
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)
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