feature/reportes

backend/api/v1/modules/a76/invoices/common/process/review_equivalence.py

@@ -1,6 +1,7 @@
 from decimal import Decimal
 from sqlalchemy.orm import Session
 from api.v1.modules.a76.general_catalogs.unit_conversions.models import UnitConversion
+from api.v1.modules.a76.general_catalogs.equivalencies.models import EquivalencyItem
 
 def _get_unit_equivalence(
     db: Session,
@@ -13,11 +14,15 @@ def _get_unit_equivalence(
     Busca una conversión entre dos unidades de medida.
     Paridad: REVEQUIVALENCIA (Clarion SCAII).
 
+    Busca primero en el catálogo de Conversiones (unit_conversions) y,
+    si no encuentra, en el catálogo de Equivalencias (equivalency_items).
+
     Retorna (multi_divide, factor_conv):
       - ('M', factor) → multiplicar cantidad por factor
       - ('D', factor) → dividir cantidad por factor
       - ('',  0)      → no existe equivalencia
     """
+    # ── 1. Catálogo de Conversiones ──────────────────────────────────────────
     conv = (
         db.query(UnitConversion)
         .filter(
@@ -44,4 +49,33 @@ def _get_unit_equivalence(
     if conv_inv and conv_inv.conversion_factor:
         return "D", conv_inv.conversion_factor
 
+    # ── 2. Catálogo de Equivalencias (fallback) ──────────────────────────────
+    eq = (
+        db.query(EquivalencyItem)
+        .filter(
+            EquivalencyItem.tenant_id == tenant_id,
+            EquivalencyItem.company_id == company_id,
+            EquivalencyItem.original_field == from_unit,
+            EquivalencyItem.external_field == to_unit,
+        )
+        .first()
+    )
+    if eq:
+        factor = eq.conversion_factor if eq.conversion_factor else Decimal(1)
+        return "M", factor
+
+    eq_inv = (
+        db.query(EquivalencyItem)
+        .filter(
+            EquivalencyItem.tenant_id == tenant_id,
+            EquivalencyItem.company_id == company_id,
+            EquivalencyItem.original_field == to_unit,
+            EquivalencyItem.external_field == from_unit,
+        )
+        .first()
+    )
+    if eq_inv:
+        factor = eq_inv.conversion_factor if eq_inv.conversion_factor else Decimal(1)
+        return "D", factor
+
     return "", Decimal(0)