44 lines
1.9 KiB
Python
44 lines
1.9 KiB
Python
from __future__ import annotations
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from datetime import datetime
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from sqlalchemy import String, Integer, DateTime, ForeignKey, UniqueConstraint
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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 Currency(Base):
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__tablename__ = "currencies"
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__table_args__ = (
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UniqueConstraint('name', name='uq_currencies_name'),
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UniqueConstraint('code', name='uq_currencies_code'),
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)
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id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
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name: Mapped[str] = mapped_column(String(100), nullable=False, index=True)
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title: Mapped[str] = mapped_column(String(100), nullable=False)
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symbol: Mapped[str] = mapped_column(String(16), nullable=False)
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code: Mapped[str] = mapped_column(String(16), nullable=False) # نام کوتاه
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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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businesses = relationship("Business", secondary="business_currencies", back_populates="currencies")
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documents = relationship("Document", back_populates="currency")
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class BusinessCurrency(Base):
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__tablename__ = "business_currencies"
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__table_args__ = (
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UniqueConstraint('business_id', 'currency_id', name='uq_business_currencies_business_currency'),
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)
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id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
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business_id: Mapped[int] = mapped_column(Integer, ForeignKey("businesses.id", ondelete="CASCADE"), nullable=False, index=True)
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currency_id: Mapped[int] = mapped_column(Integer, ForeignKey("currencies.id", ondelete="CASCADE"), nullable=False, index=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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