forked from hesabix/arc
59 lines
3 KiB
Python
Executable file
59 lines
3 KiB
Python
Executable file
from __future__ import annotations
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from datetime import datetime
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from decimal import Decimal
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from sqlalchemy import Integer, DateTime, ForeignKey, JSON, Text, Numeric
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from sqlalchemy.orm import Mapped, mapped_column, relationship
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from adapters.db.session import Base
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class DocumentLine(Base):
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__tablename__ = "document_lines"
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id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
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document_id: Mapped[int] = mapped_column(Integer, ForeignKey("documents.id", ondelete="CASCADE"), nullable=False, index=True)
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account_id: Mapped[int | None] = mapped_column(Integer, ForeignKey("accounts.id", ondelete="RESTRICT"), nullable=True, index=True)
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person_id: Mapped[int | None] = mapped_column(Integer, ForeignKey("persons.id", ondelete="SET NULL"), nullable=True, index=True)
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product_id: Mapped[int | None] = mapped_column(Integer, ForeignKey("products.id", ondelete="SET NULL"), nullable=True, index=True)
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bank_account_id: Mapped[int | None] = mapped_column(Integer, ForeignKey("bank_accounts.id", ondelete="SET NULL"), nullable=True, index=True)
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cash_register_id: Mapped[int | None] = mapped_column(Integer, ForeignKey("cash_registers.id", ondelete="SET NULL"), nullable=True, index=True)
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petty_cash_id: Mapped[int | None] = mapped_column(Integer, ForeignKey("petty_cash.id", ondelete="SET NULL"), nullable=True, index=True)
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check_id: Mapped[int | None] = mapped_column(Integer, ForeignKey("checks.id", ondelete="SET NULL"), nullable=True, index=True)
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quantity: Mapped[Decimal | None] = mapped_column(Numeric(18, 6), nullable=True, default=0)
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debit: Mapped[Decimal] = mapped_column(Numeric(18, 2), nullable=False, default=0)
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credit: Mapped[Decimal] = mapped_column(Numeric(18, 2), nullable=False, default=0)
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# تسعیر به ارز پایه (nullable برای سازگاری با اسناد قدیمی / تکارزی)
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exchange_rate: Mapped[Decimal | None] = mapped_column(
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Numeric(24, 10),
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nullable=True,
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comment="۱ واحد ارز سند = exchange_rate × ارز پایه",
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)
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debit_base: Mapped[Decimal | None] = mapped_column(
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Numeric(24, 6),
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nullable=True,
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comment="بدهکار به ارز پایه",
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)
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credit_base: Mapped[Decimal | None] = mapped_column(
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Numeric(24, 6),
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nullable=True,
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comment="بستانکار به ارز پایه",
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)
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description: Mapped[str | None] = mapped_column(Text, nullable=True)
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extra_info: Mapped[dict | None] = mapped_column(JSON, nullable=True)
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developer_data: Mapped[dict | None] = mapped_column(JSON, nullable=True)
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created_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow, nullable=False)
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updated_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow, onupdate=datetime.utcnow, nullable=False)
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# Relationships
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document = relationship("Document", back_populates="lines")
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account = relationship("Account", back_populates="document_lines")
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person = relationship("Person")
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product = relationship("Product")
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bank_account = relationship("BankAccount")
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cash_register = relationship("CashRegister")
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petty_cash = relationship("PettyCash")
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check = relationship("Check")
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