74 lines
2.7 KiB
Python
74 lines
2.7 KiB
Python
"""
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Modelo ORM para la relación entre partes y países - Anexo 24
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"""
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from datetime import datetime
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from typing import TYPE_CHECKING, Optional
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from decimal import Decimal
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from api.v1.common.base_models import TenantScopedMixin, TimestampMixin
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from core.database import Base
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from sqlalchemy import (
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Integer,
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PrimaryKeyConstraint,
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String,
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Boolean,
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ForeignKeyConstraint,
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DateTime,
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Numeric,
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)
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from sqlalchemy.orm import Mapped, mapped_column, relationship
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if TYPE_CHECKING:
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from api.v1.modules.a76.parts.models import Part
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class PartCountry(Base, TenantScopedMixin, TimestampMixin):
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"""
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Tabla inv_parte_paises: Relación entre partes y países.
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Almacena información de países de origen, preferencias, certificados y omisiones.
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"""
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__tablename__ = "inv_parte_paises"
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__table_args__ = (
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PrimaryKeyConstraint("id", name="inv_parte_paises_pkey"),
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ForeignKeyConstraint(
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["part_id"], ["a76.parts.id"], name="fk_inv_parte_paises_part"
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),
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{"schema": "a24", "extend_existing": True},
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)
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id: Mapped[int] = mapped_column(Integer, primary_key=True, autoincrement=True)
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part_id: Mapped[int] = mapped_column(Integer, nullable=False)
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country_code: Mapped[str] = mapped_column(String(3), nullable=False)
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# Información de fracciones
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fraction: Mapped[Optional[str]] = mapped_column(String(20))
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is_origin: Mapped[bool] = mapped_column(Boolean, default=False)
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# Preferencia comercial
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preference: Mapped[str] = mapped_column(String(15), default="GENERAL") # GENERAL, PROSEC, ALADI, TLCS
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# Certificado de origen
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has_certificate: Mapped[bool] = mapped_column(Boolean, default=False)
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certificate_number: Mapped[Optional[str]] = mapped_column(String(50))
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end_date: Mapped[Optional[datetime]] = mapped_column(DateTime)
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# Fracciones anteriores a 7 meses
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previous_fractions_7m: Mapped[bool] = mapped_column(Boolean, default=False)
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# Omisiones (importación/exportación)
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omission_import: Mapped[bool] = mapped_column(Boolean, default=False)
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omission_export: Mapped[bool] = mapped_column(Boolean, default=False)
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# Porcentajes
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import_percentage: Mapped[Optional[Decimal]] = mapped_column(Numeric(5, 2))
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export_percentage: Mapped[Optional[Decimal]] = mapped_column(Numeric(5, 2))
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# Sector (para referencia)
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sector: Mapped[Optional[str]] = mapped_column(String(10))
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# Relación
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part: Mapped["Part"] = relationship("Part", back_populates="inv_countries")
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def __repr__(self) -> str:
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return f"<PartCountry(id={self.id}, part={self.part_id}, country='{self.country_code}', preference='{self.preference}')>"
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