iteracion 2

2026-09-07 18:44:32 -03:00
parent a103a47ae6
commit 09a3f6fb37
93 changed files with 7394 additions and 349 deletions
@@ -0,0 +1,68 @@
+"""
+3-Way Matching Engine with Strict 0% Tolerance for EFINTEL Procurement.
+Matches Purchase Order vs Goods Receipt vs Electronic Invoice SII (DTE 33).
+"""
+
+from decimal import Decimal
+from typing import Dict, Any, Optional
+from datetime import datetime
+
+class ThreeWayMatchingEngine:
+    TOLERANCE_CLP = Decimal('0.00')
+
+    @classmethod
+    def evaluate_match(
+        cls,
+        po,
+        goods_receipt,
+        dte_invoice_net: Decimal,
+        dte_invoice_total: Decimal,
+        dte_invoice_rut: str
+    ) -> Dict[str, Any]:
+        """
+        Executes strict 3-Way Match validation:
+        1. Check receipt existence and technical conformity.
+        2. Check net price difference against PO (0% tolerance).
+        3. Verify vendor RUT match.
+        """
+        dte_net = Decimal(str(dte_invoice_net))
+        dte_total = Decimal(str(dte_invoice_total))
+        po_net = po.net_amount_clp
+        po_total = po.total_amount_clp
+
+        # Price Difference
+        price_diff = dte_net - po_net
+        total_diff = dte_total - po_total
+
+        # Check receipt
+        if not goods_receipt:
+            return {
+                'status': 'PENDIENTE_RECEPCION',
+                'is_match': False,
+                'price_difference': price_diff,
+                'message': 'No se ha registrado aún la recepción conforme (Guía de Despacho / Acta) para esta OC.'
+            }
+
+        if not goods_receipt.technical_conformity:
+            return {
+                'status': 'DISCREPANCIA_CANTIDAD',
+                'is_match': False,
+                'price_difference': price_diff,
+                'message': 'La recepción física fue observada o rechazada técnicamente en terreno.'
+            }
+
+        # Check Price difference with 0% tolerance
+        if abs(price_diff) > cls.TOLERANCE_CLP:
+            return {
+                'status': 'DISCREPANCIA_PRECIO',
+                'is_match': False,
+                'price_difference': price_diff,
+                'message': f'Discrepancia en monto neto: OC por ${po_net:,.0f} CLP vs Factura por ${dte_net:,.0f} CLP (Diferencia: ${price_diff:,.0f} CLP). Tolerancia 0% violada.'
+            }
+
+        return {
+            'status': 'MATCH_PERFECTO',
+            'is_match': True,
+            'price_difference': Decimal('0'),
+            'message': 'Match 100% perfecto. OC, Recepción Conforme y Factura DTE 33 coinciden al centavo (Tolerancia 0% aprobada).'
+        }