Add invoice processing functionality and enhance models and routes
- Introduced new routes for processing invoices in the router. - Added `InvoiceStatus` enum to manage invoice states. - Enhanced `InvoiceHeader` and `InvoiceFinancials` models with new fields for status tracking and total packages. - Updated schemas to include new fields for invoice processing. - Implemented API methods for processing invoices and checking process status in the frontend. - Removed outdated validation files related to invoice processing.
This commit is contained in:
370
backend/api/v1/modules/a24/discharges/models.py
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370
backend/api/v1/modules/a24/discharges/models.py
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"""
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Annex 24 - Balance Management Core
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SQLAlchemy v2
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Plugs into the existing schema:
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invoice_header (a76.invoice_header) ← already exists
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item_lines (a76.item_lines) ← already exists
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These 4 tables are ALL you need for balances:
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a24.balance_movement ← the ledger (append-only, never UPDATE)
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a24.discharge_header ← one discharge per export/SM/CTM event
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a24.discharge_detail ← one row per (export line × import lot consumed)
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a24.discharge_scrap ← mermas, desperdicios, destrucciones
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Design rules:
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1. NEVER update balance_movement rows — only INSERT
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2. Balance = SUM of movements. No cached balance columns.
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3. Every discharge_detail row MUST reference a balance_movement row
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4. PEPS order is enforced via order_peps (monotonic, set on INSERT)
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"""
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from __future__ import annotations
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import datetime
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from decimal import Decimal
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from enum import Enum
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from typing import TYPE_CHECKING, List, Optional
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from ..discharges.models import DischargeDetail
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from sqlalchemy import (
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BigInteger,
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CheckConstraint,
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Date,
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ForeignKey,
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Index,
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Integer,
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Numeric,
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String,
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text,
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)
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from sqlalchemy.orm import Mapped, mapped_column, relationship
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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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if TYPE_CHECKING:
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from api.v1.modules.a76.invoices.models import InvoiceHeader
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from api.v1.modules.a76.items.models import LineItem
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from ..balance_movements.models import BalanceMovement
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class DischargeType(str, Enum):
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TEMPORARY = "temporary" # SDescargaT — export against temp import
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DEFINITIVE = "definitive" # SDescargaD — export against def import
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REPAIR = "repair" # SDescargaR — repair / return
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DIRECTED = "directed" # SDescargaM — Directed discharge
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CTM = "ctm" # SDescargaCTM — between plants (same group)
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SUBASSEMBLY = "subassembly" # SDescargaSM — to external maquiladora
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WASTE_SCRAP = "waste_scrap" # SDescargaMerDes — merma / desperdicio
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class DischargeStatus(str, Enum):
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PENDING = "pending"
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APPLIED = "applied"
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PARTIAL = "partial"
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CANCELLED = "cancelled"
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# ---------------------------------------------------------------------------
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# 2. DischargeHeader
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#
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# One row per discharge event (export, SM batch, CTM transfer…).
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# Groups all DischargeDetail rows for the same business event.
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#
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# source_invoice_id → a76.invoice_header.id (the export/SM/CTM invoice)
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# def_import_invoice_id → a76.invoice_header.id (DEF discharges only)
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# ---------------------------------------------------------------------------
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class DischargeHeader(Base, TenantScopedMixin, TimestampMixin):
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"""
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One discharge per export event.
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Groups DischargeDetail rows (one per import lot consumed).
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"""
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__tablename__ = "discharge_header"
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__table_args__ = (
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Index("ix_dischdr_source", "source_invoice_id", "status"),
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Index("ix_dischdr_date", "tenant_id", "discharge_date", "discharge_type"),
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{"schema": "a24"},
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)
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id: Mapped[int] = mapped_column(BigInteger, primary_key=True, autoincrement=True)
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# ── Export / SM / CTM document that triggers this discharge ───────────
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source_invoice_id: Mapped[int] = mapped_column(
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ForeignKey("a76.invoice_header.id"),
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comment="Export, SM-out or CTM-send invoice that owns this discharge.",
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)
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# ── For DEFINITIVE discharges only ────────────────────────────────────
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def_import_invoice_id: Mapped[Optional[int]] = mapped_column(
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ForeignKey("a76.invoice_header.id"),
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comment="Populated only for discharge_type=DEFINITIVE.",
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)
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discharge_type: Mapped[DischargeType] = mapped_column(String(15))
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status: Mapped[DischargeStatus] = mapped_column(
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String(15), server_default=text("'applied'")
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)
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discharge_date: Mapped[datetime.date] = mapped_column(Date)
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# ── Control fields from legacy SDescarga* tables ──────────────────────
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reference_invoice: Mapped[Optional[str]] = mapped_column(
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String(19), comment="FACREFERENCIA — for rectifications"
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)
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discharge_subtype: Mapped[Optional[str]] = mapped_column(
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String(10), comment="TIPODESC: NORMAL, PARCIAL, REPARACION, UTILERIA"
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)
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partial_sequence: Mapped[Optional[int]] = mapped_column(
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Integer, comment="CONSECPARCIAL — for partial discharges"
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)
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sales_order: Mapped[Optional[str]] = mapped_column(String(20)) # ORDENVENTA
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ctm_section: Mapped[Optional[str]] = mapped_column(String(3)) # APARTADOCTM
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is_tooling: Mapped[bool] = mapped_column(
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server_default=text("false"), comment="PORUTILERIA"
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)
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discharge_sm: Mapped[Optional[str]] = mapped_column(String(4)) # DESCARGASM
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is_repair_update: Mapped[bool] = mapped_column(
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server_default=text("false"), comment="ACTUALREPARACION"
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)
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material_type_expo: Mapped[Optional[str]] = mapped_column(
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String(10), comment="TIPOMATEXPO"
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)
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# ── Cancellation trail ────────────────────────────────────────────────
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cancelled_by: Mapped[Optional[str]] = mapped_column(String(20))
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cancellation_reason: Mapped[Optional[str]] = mapped_column(String(300))
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# ── Relationships ─────────────────────────────────────────────────────
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source_invoice: Mapped["InvoiceHeader"] = relationship(
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foreign_keys=[source_invoice_id],
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)
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def_import_invoice: Mapped[Optional["InvoiceHeader"]] = relationship(
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foreign_keys=[def_import_invoice_id],
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)
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details: Mapped[List["DischargeDetail"]] = relationship(
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back_populates="header", cascade="all, delete-orphan"
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)
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scraps: Mapped[List["DischargeScrap"]] = relationship(
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back_populates="header", cascade="all, delete-orphan"
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)
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# ---------------------------------------------------------------------------
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# 3. DischargeDetail
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#
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# The critical traceability link:
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# "Export line X consumed Y units from import lot Z"
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#
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# One row per (export_line × import_lot) pair.
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# A single export line can span multiple rows when PEPS pulls from
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# more than one import lot.
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#
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# discharge_header_id → a24.discharge_header.id
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# export_item_line_id → a76.item_lines.id (the export line)
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# import_item_line_id → a76.item_lines.id (the import lot consumed)
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# movement_id → a24.balance_movement.id (the ledger row)
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# ---------------------------------------------------------------------------
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class DischargeDetail(Base, TenantScopedMixin, TimestampMixin):
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"""
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One row per (export line × import lot consumed).
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This is the traceability record the SAT asks for:
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"Show me which import pedimento covered this export line."
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"""
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__tablename__ = "discharge_detail"
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__table_args__ = (
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CheckConstraint("movement_id IS NOT NULL", name="ck_dischdet_movement_required"),
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Index("ix_dischdet_header", "discharge_header_id"),
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Index("ix_dischdet_import_lot", "import_item_line_id"),
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Index("ix_dischdet_export_line", "export_item_line_id"),
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Index("ix_dischdet_part", "tenant_id", "part_number"),
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{"schema": "a24"},
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)
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id: Mapped[int] = mapped_column(BigInteger, primary_key=True, autoincrement=True)
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discharge_header_id: Mapped[int] = mapped_column(
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ForeignKey("a24.discharge_header.id"),
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)
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# ── Export side ───────────────────────────────────────────────────────
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export_item_line_id: Mapped[Optional[int]] = mapped_column(
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ForeignKey("a76.item_lines.id"),
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comment="NULL for waste-only discharges.",
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)
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# Denormalized for report performance
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part_number: Mapped[Optional[str]] = mapped_column(
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String(70), comment="NUMPARTE of the export line (denormalized)"
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)
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export_part_number: Mapped[Optional[str]] = mapped_column(
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String(70), comment="NUMPARTEEXPO — as it appears in the pedimento"
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)
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export_line_ref: Mapped[Optional[int]] = mapped_column(
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Integer, comment="LINEAEXPOREF — for rectification references"
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)
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# ── Import lot side (PEPS lot consumed) ───────────────────────────────
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import_item_line_id: Mapped[int] = mapped_column(
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ForeignKey("a76.item_lines.id"),
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)
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# ── Ledger row created for this consumption (NOT NULL — design rule 3) ─
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movement_id: Mapped[int] = mapped_column(
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BigInteger,
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ForeignKey("a24.balance_movement.id"),
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comment="The BalanceMovement that records this consumption. Required.",
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)
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# ── Consumed quantities and values ────────────────────────────────────
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quantity_discharged: Mapped[Decimal] = mapped_column(Numeric(19, 8)) # CANTDESC
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unit_of_measure: Mapped[Optional[str]] = mapped_column(String(5))
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value_mn: Mapped[Optional[Decimal]] = mapped_column(Numeric(23, 8))
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value_me: Mapped[Optional[Decimal]] = mapped_column(Numeric(23, 8))
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net_weight: Mapped[Optional[Decimal]] = mapped_column(Numeric(19, 8))
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gross_weight: Mapped[Optional[Decimal]] = mapped_column(Numeric(19, 8))
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# ── Tariff classification of the consumed input ───────────────────────
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tariff_fraction: Mapped[Optional[str]] = mapped_column(String(10)) # FRACCIONIMPO
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fraction_type: Mapped[Optional[str]] = mapped_column(String(7)) # TIPOFRACCION
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ad_valorem: Mapped[Optional[str]] = mapped_column(String(10)) # ADVALOREMIMPO
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country_of_origin: Mapped[Optional[str]] = mapped_column(String(3)) # PAISMERCANCIA
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sector: Mapped[Optional[str]] = mapped_column(String(8)) # SECTOR
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# ── Repair-specific ───────────────────────────────────────────────────
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original_part: Mapped[Optional[str]] = mapped_column(
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String(70), comment="PARTEORIGINAL"
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)
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equivalent_quantity: Mapped[Optional[Decimal]] = mapped_column(
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Numeric(19, 8), comment="CANTEQUIVALENTE"
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)
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equivalent_unit: Mapped[Optional[str]] = mapped_column(String(5))
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returned_quantity_sm: Mapped[Optional[Decimal]] = mapped_column(
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Numeric(19, 8), comment="CANTRETORNADASAM"
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)
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# ── Waste / scrap ─────────────────────────────────────────────────────
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waste_type: Mapped[Optional[str]] = mapped_column(
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String(1), comment="M=merma, D=desperdicio, S=scrap"
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)
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take_balance_base_pt: Mapped[Optional[str]] = mapped_column(
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String(2), comment="TOMARSALDOBASEALPT"
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)
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# ── Tax fields (from SDescargaT) ──────────────────────────────────────
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igi_amount: Mapped[Optional[Decimal]] = mapped_column(Numeric(23, 8)) # MONTOIGI
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tax_payment: Mapped[Optional[str]] = mapped_column(String(1)) # PAGOIMPUESTO
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has_certificate: Mapped[Optional[str]] = mapped_column(String(1)) # TIENECERT
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iva_mn: Mapped[Optional[Decimal]] = mapped_column(Numeric(23, 8)) # VALORIVAMN
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iva_me: Mapped[Optional[Decimal]] = mapped_column(Numeric(23, 8)) # VALORIVAME
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# ── SM origin traceability ────────────────────────────────────────────
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origin_import_invoice: Mapped[Optional[str]] = mapped_column(
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String(15), comment="FACTURAIMPO original (denorm for SM)"
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)
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procedence: Mapped[Optional[str]] = mapped_column(String(3)) # PROCEDENCIA
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# ── Relationships ─────────────────────────────────────────────────────
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header: Mapped["DischargeHeader"] = relationship(back_populates="details")
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export_line: Mapped[Optional["LineItem"]] = relationship(
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foreign_keys=[export_item_line_id],
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)
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import_line: Mapped["LineItem"] = relationship(
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foreign_keys=[import_item_line_id],
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)
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movement: Mapped["BalanceMovement"] = relationship(
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foreign_keys=[movement_id],
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back_populates="discharge_detail",
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)
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# ---------------------------------------------------------------------------
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# 4. DischargeScrap
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#
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# Mermas, desperdicios and destrucciones.
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# Can be standalone (no export invoice) or linked to a DischargeHeader.
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# Always generates a BalanceMovement of type WASTE / SCRAP / DESTRUCTION.
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#
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# Replaces: SDescargaS + SDescargaMerDes
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# ---------------------------------------------------------------------------
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class DischargeScrap(Base, TenantScopedMixin, TimestampMixin):
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"""
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Waste / scrap / destruction records.
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Replaces SDescargaS and the waste portion of SDescargaMerDes.
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"""
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__tablename__ = "discharge_scrap"
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__table_args__ = (
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Index("ix_dischscrap_header", "discharge_header_id"),
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Index("ix_dischscrap_import_lot", "import_item_line_id"),
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Index("ix_dischscrap_date", "tenant_id", "scrap_date"),
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{"schema": "a24"},
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)
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id: Mapped[int] = mapped_column(BigInteger, primary_key=True, autoincrement=True)
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# ── Optional parent discharge ─────────────────────────────────────────
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discharge_header_id: Mapped[Optional[int]] = mapped_column(
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ForeignKey("a24.discharge_header.id"),
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comment="NULL when scrap is registered independently (not tied to an export).",
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)
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# ── The import lot being scrapped ──────────────────────────────────────
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import_item_line_id: Mapped[int] = mapped_column(
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ForeignKey("a76.item_lines.id"),
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)
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# ── Ledger row recording this scrap ───────────────────────────────────
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movement_id: Mapped[Optional[int]] = mapped_column(
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BigInteger, ForeignKey("a24.balance_movement.id"),
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)
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# ── Type ──────────────────────────────────────────────────────────────
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scrap_type: Mapped[str] = mapped_column(
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String(1), comment="M=merma, D=desperdicio, S=scrap, X=destrucción"
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)
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# ── Finished-good export line that generated this scrap ───────────────
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finished_good_line_id: Mapped[Optional[int]] = mapped_column(
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ForeignKey("a76.item_lines.id"),
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comment="Export line of the product whose manufacture created this scrap.",
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)
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finished_good_part: Mapped[Optional[str]] = mapped_column(String(70))
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# ── Scrap export pedimento (if scrap is exported separately) ──────────
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scrap_export_invoice_id: Mapped[Optional[int]] = mapped_column(
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ForeignKey("a76.invoice_header.id"),
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comment="If desperdicio has its own export pedimento.",
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)
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# ── The scrapped material ─────────────────────────────────────────────
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part_number: Mapped[str] = mapped_column(String(70))
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item_class: Mapped[Optional[str]] = mapped_column(String(8))
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quantity: Mapped[Decimal] = mapped_column(Numeric(19, 8))
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unit_of_measure: Mapped[str] = mapped_column(String(5))
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value_mn: Mapped[Optional[Decimal]] = mapped_column(Numeric(23, 8))
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value_me: Mapped[Optional[Decimal]] = mapped_column(Numeric(23, 8))
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net_weight: Mapped[Optional[Decimal]] = mapped_column(Numeric(19, 8))
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procedence: Mapped[Optional[str]] = mapped_column(String(3))
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scrap_date: Mapped[datetime.date] = mapped_column(Date)
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# ── Relationships ─────────────────────────────────────────────────────
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header: Mapped[Optional["DischargeHeader"]] = relationship(
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back_populates="scraps",
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)
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import_line: Mapped["LineItem"] = relationship(
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foreign_keys=[import_item_line_id],
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)
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finished_good_line: Mapped[Optional["LineItem"]] = relationship(
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foreign_keys=[finished_good_line_id],
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)
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scrap_export_invoice: Mapped[Optional["InvoiceHeader"]] = relationship(
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foreign_keys=[scrap_export_invoice_id],
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)
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movement: Mapped[Optional["BalanceMovement"]] = relationship(
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foreign_keys=[movement_id],
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)
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