feat: income

models/transaction.py

@@ -0,0 +1,54 @@
+from datetime import datetime, date
+from typing import TYPE_CHECKING
+
+from sqlalchemy import ForeignKey, Table, Column, text
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+
+from models import BaseModel
+
+if TYPE_CHECKING:
+    from models import User
+
+
+transactions_transaction_tags = Table(
+    'transactions_transaction_tags',
+    BaseModel.metadata,
+    Column('transaction_id', ForeignKey('transactions.id', ondelete='CASCADE'), primary_key=True),
+    Column('transaction_tag_id', ForeignKey('transaction_tags.id'), primary_key=True),
+)
+
+
+class Transaction(BaseModel):
+    __tablename__ = 'transactions'
+
+    id: Mapped[int] = mapped_column(primary_key=True)
+    created_at: Mapped[datetime] = mapped_column(nullable=False)
+    spent_date: Mapped[date] = mapped_column(nullable=False)
+    name: Mapped[str] = mapped_column()
+    comment: Mapped[str] = mapped_column()
+    amount: Mapped[float] = mapped_column()
+    is_income: Mapped[bool] = mapped_column(server_default=text("false"), nullable=False)
+
+    created_by_user_id: Mapped[int] = mapped_column(ForeignKey("users.id"), nullable=False)
+    created_by_user: Mapped["User"] = relationship(foreign_keys=[created_by_user_id], lazy="selectin")
+
+    tags: Mapped[list["TransactionTag"]] = relationship(
+        secondary=transactions_transaction_tags,
+        lazy='selectin',
+        back_populates='transactions',
+        cascade='all, delete',
+    )
+
+
+class TransactionTag(BaseModel):
+    __tablename__ = 'transaction_tags'
+
+    id: Mapped[int] = mapped_column(primary_key=True)
+    name: Mapped[str] = mapped_column(index=True)
+    is_income: Mapped[bool] = mapped_column(server_default=text("false"), nullable=False)
+
+    transactions: Mapped[list["Transaction"]] = relationship(
+        secondary=transactions_transaction_tags,
+        lazy='selectin',
+        back_populates='tags',
+    )