103 lines
4.4 KiB
Python
103 lines
4.4 KiB
Python
"""
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Modelos ORM para gestión de partes/componentes - Anexo 76 (Master Data)
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"""
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from datetime import datetime
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from decimal import Decimal
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from typing import TYPE_CHECKING, Optional
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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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ForeignKeyConstraint, Integer, Numeric, PrimaryKeyConstraint,
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String, UniqueConstraint, Boolean, DateTime
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)
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# Importante usar relationship y Mapped
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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.classes.models import Class
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from api.v1.modules.public.reference_data.currency_types.models import CurrencyType
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from api.v1.modules.a76.general_catalogs.units_of_measure.models import UnitOfMeasure
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from api.v1.modules.a24.fa.fa_parts.models import FaPart
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from api.v1.modules.a24.inv.inv_parts.models import InvPart
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class Part(Base, TenantScopedMixin, TimestampMixin):
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__tablename__ = "parts"
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__table_args__ = (
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PrimaryKeyConstraint("id", name="parts_pkey"),
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ForeignKeyConstraint(
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["currency_key"], ["public.currency_types.code"], name="fk_parts_currency"
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),
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ForeignKeyConstraint(
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["unit_of_measure", "tenant_id", "company_id"],
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["a76.units_of_measure.code", "a76.units_of_measure.tenant_id",
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"a76.units_of_measure.company_id"],
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),
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# Puente hacia la tabla de clases
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ForeignKeyConstraint(
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["part_class", "tenant_id", "company_id"],
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["a76.classes.class_code", "a76.classes.tenant_id", "a76.classes.company_id"],
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name="fk_parts_class"
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),
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UniqueConstraint(
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"tenant_id", "company_id", "part_number", name="client_part_ukey"
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),
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{"schema": "a76"},
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)
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id: Mapped[int] = mapped_column(Integer, primary_key=True)
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client_id: Mapped[int] = mapped_column(Integer)
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part_number: Mapped[str] = mapped_column(String(70))
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commercial_part_number: Mapped[Optional[str]] = mapped_column(String(70))
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description_spanish: Mapped[Optional[str]] = mapped_column(String(500))
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description_english: Mapped[Optional[str]] = mapped_column(String(500))
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part_class: Mapped[Optional[str]] = mapped_column(String(8))
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unit_of_measure: Mapped[Optional[str]] = mapped_column(String(5))
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unit_cost: Mapped[Optional[Decimal]] = mapped_column(Numeric(23, 8))
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currency_type: Mapped[Optional[str]] = mapped_column(String(2))
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currency_key: Mapped[Optional[str]] = mapped_column(String(3))
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unit_weight: Mapped[Optional[Decimal]] = mapped_column(Numeric(19, 8))
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weight_type: Mapped[Optional[str]] = mapped_column(String(6))
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fraction: Mapped[Optional[str]] = mapped_column(String(10))
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us_fraction: Mapped[Optional[str]] = mapped_column(String(16))
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fda_key: Mapped[Optional[str]] = mapped_column(String(20))
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fcc_key: Mapped[Optional[str]] = mapped_column(String(30))
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license_code: Mapped[Optional[str]] = mapped_column(String(3))
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eccn: Mapped[Optional[str]] = mapped_column(String(20))
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export_code: Mapped[Optional[str]] = mapped_column(String(2))
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exclusion_symbol: Mapped[Optional[str]] = mapped_column(String(19))
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is_active: Mapped[Optional[bool]] = mapped_column(Boolean, default=True)
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part_photo: Mapped[Optional[str]] = mapped_column(String(255))
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creation_date: Mapped[Optional[int]] = mapped_column()
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modification_date: Mapped[Optional[int]] = mapped_column()
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modification_date_iso: Mapped[Optional[datetime]] = mapped_column(DateTime)
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# --- RELACIONES CORREGIDAS ---
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currency: Mapped[Optional["CurrencyType"]] = relationship(
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foreign_keys="[Part.currency_key]"
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)
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unit_of_measure_info: Mapped[Optional["UnitOfMeasure"]] = relationship(
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foreign_keys="[Part.unit_of_measure, Part.tenant_id, Part.company_id]"
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)
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part_class_info: Mapped[Optional["Class"]] = relationship(
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"Class",
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back_populates="parts",
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foreign_keys="[Part.part_class, Part.tenant_id, Part.company_id]"
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)
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# Extensiones Anexo 24
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fa_data: Mapped[Optional["FaPart"]] = relationship(
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"FaPart", back_populates="master_info", uselist=False, cascade="all, delete-orphan"
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)
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inv_data: Mapped[Optional["InvPart"]] = relationship(
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"InvPart", back_populates="master_info", uselist=False, cascade="all, delete-orphan"
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)
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def __repr__(self) -> str:
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return f"<Part(id={self.id}, part_number='{self.part_number}')>" |