66 lines
2.7 KiB
Python
66 lines
2.7 KiB
Python
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from __future__ import annotations
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from datetime import datetime
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from enum import Enum
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from sqlalchemy import (
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String,
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Integer,
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DateTime,
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ForeignKey,
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UniqueConstraint,
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Numeric,
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Enum as SQLEnum,
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Index,
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)
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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 CheckType(str, Enum):
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RECEIVED = "received"
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TRANSFERRED = "transferred"
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class Check(Base):
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__tablename__ = "checks"
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__table_args__ = (
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# پیشنهاد: یکتا بودن شماره چک در سطح کسبوکار
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UniqueConstraint('business_id', 'check_number', name='uq_checks_business_check_number'),
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# پیشنهاد: یکتا بودن شناسه صیاد در سطح کسبوکار (چند NULL مجاز است)
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UniqueConstraint('business_id', 'sayad_code', name='uq_checks_business_sayad_code'),
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Index('ix_checks_business_type', 'business_id', 'type'),
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Index('ix_checks_business_person', 'business_id', 'person_id'),
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Index('ix_checks_business_issue_date', 'business_id', 'issue_date'),
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Index('ix_checks_business_due_date', 'business_id', 'due_date'),
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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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type: Mapped[CheckType] = mapped_column(SQLEnum(CheckType, name="check_type"), nullable=False, 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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issue_date: Mapped[datetime] = mapped_column(DateTime, nullable=False, index=True)
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due_date: Mapped[datetime] = mapped_column(DateTime, nullable=False, index=True)
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check_number: Mapped[str] = mapped_column(String(50), nullable=False, index=True)
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sayad_code: Mapped[str | None] = mapped_column(String(16), nullable=True, index=True)
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bank_name: Mapped[str | None] = mapped_column(String(255), nullable=True)
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branch_name: Mapped[str | None] = mapped_column(String(255), nullable=True)
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amount: Mapped[float] = mapped_column(Numeric(18, 2), nullable=False)
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currency_id: Mapped[int] = mapped_column(Integer, ForeignKey("currencies.id", ondelete="RESTRICT"), 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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# روابط
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business = relationship("Business", backref="checks")
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person = relationship("Person", lazy="joined")
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currency = relationship("Currency")
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