From 6f828020a24abb0dcb037d0a5463fbb99ab7dfa3 Mon Sep 17 00:00:00 2001
From: Administrator <Dennys.Murillo@escueladerefrigeracion.edu.pe>
Date: Wed, 2 Sep 2026 11:11:21 -0500
Subject: [PATCH] Actualizar backend/core/data_manager.py

---
 backend/core/data_manager.py | 62 ++++++++++++++++++++++++++++++++++++
 1 file changed, 62 insertions(+)

diff --git a/backend/core/data_manager.py b/backend/core/data_manager.py
index 836a75a..939a20b 100644
--- a/backend/core/data_manager.py
+++ b/backend/core/data_manager.py
@@ -677,6 +677,68 @@ class DataManager:
             print(f"❌ Error cronograma cobranza: {e}")
             return []
 
+    def traer_vendedor_cod_detalle(self, matriculas):
+        """Para el apartado RETIROS: por cada num_matricula (solo las POR RETIRAR),
+        trae dsc_vendedor, cod_detalle, dsc_alumno, N° cuotas pagadas/vencidas,
+        fecha de vencimiento más antigua, imp_total_pagado e inv_neta. Consulta ligera."""
+        try:
+            mats = [str(m).strip() for m in (matriculas or []) if str(m).strip()]
+            if not mats:
+                return {}
+            placeholders = ",".join(["?"] * len(mats))
+            query = f"""
+            SELECT m.num_matricula,
+              (SELECT t.dsc_apellido_paterno + ' ' + SUBSTRING(t.dsc_apellido_materno,1,1) + '. ' + t.dsc_nombres
+               FROM rhuma_trabajador t WHERE t.cod_trabajador = m.cod_vendedor) AS dsc_vendedor,
+              m.cod_periodo AS cod_detalle,
+              (a.dsc_apellido_paterno + ' ' + a.dsc_apellido_materno + ', ' + a.dsc_nombres) AS dsc_alumno,
+              (SELECT COUNT(1) FROM sgede_cronograma_matricula c
+                 WHERE c.cod_localidad=m.cod_localidad AND c.num_matricula=m.num_matricula
+                   AND c.num_refinanciamiento=m.num_refinanciamiento
+                   AND c.cod_tipo_cuota='ARM' AND c.cod_estado='CAN') AS num_cuotas_pagadas,
+              (SELECT COUNT(1) FROM sgede_cronograma_matricula c
+                 WHERE c.cod_localidad=m.cod_localidad AND c.num_matricula=m.num_matricula
+                   AND c.num_refinanciamiento=m.num_refinanciamiento
+                   AND c.cod_tipo_cuota='ARM' AND c.cod_estado<>'CAN'
+                   AND c.fch_vencimiento < CAST(GETDATE() AS DATE)) AS num_cuotas_vencidas,
+              (SELECT MIN(c.fch_vencimiento) FROM sgede_cronograma_matricula c
+                 WHERE c.cod_localidad=m.cod_localidad AND c.num_matricula=m.num_matricula
+                   AND c.num_refinanciamiento=m.num_refinanciamiento
+                   AND c.cod_tipo_cuota='ARM' AND c.cod_estado<>'CAN'
+                   AND c.fch_vencimiento < CAST(GETDATE() AS DATE)) AS fch_venc_mas_antigua,
+              (SELECT SUM(c.imp_total_pagado) FROM sgede_cronograma_matricula c
+                 WHERE c.cod_localidad=m.cod_localidad AND c.num_matricula=m.num_matricula
+                   AND c.num_refinanciamiento=m.num_refinanciamiento) AS imp_total_pagado,
+              ISNULL((SELECT SUM(c.imp_total - ISNULL(c.imp_dscto,0)) FROM sgede_cronograma_matricula c
+                 WHERE c.cod_localidad=m.cod_localidad AND c.num_matricula=m.num_matricula
+                   AND c.num_refinanciamiento=1),0) AS inv_neta
+            FROM sgeca_matricula m
+            INNER JOIN sgema_alumno a ON m.cod_alumno = a.cod_alumno
+            WHERE m.num_matricula IN ({placeholders})
+            """
+            conn = self.get_connection()
+            cursor = conn.cursor()
+            cursor.execute(query, mats)
+            out = {}
+            for row in cursor.fetchall():
+                mat = str(row[0]).strip()
+                fvenc = row[6]
+                out[mat] = {
+                    "dsc_vendedor": (row[1] or "").strip() if row[1] else "",
+                    "cod_detalle": row[2] if row[2] is not None else "",
+                    "dsc_alumno": (row[3] or "").strip() if row[3] else "",
+                    "num_cuotas_pagadas": int(row[4] or 0),
+                    "num_cuotas_vencidas": int(row[5] or 0),
+                    "fch_venc_mas_antigua": (str(fvenc)[:10] if fvenc else ""),
+                    "imp_total_pagado": float(row[7] or 0),
+                    "inv_neta": float(row[8] or 0),
+                }
+            conn.close()
+            return out
+        except Exception as e:
+            print(f"❌ Error traer_vendedor_cod_detalle: {e}")
+            return {}
+
     def ejecutar_consulta_facturas_cobranza(self, ano):
         clave = str(ano)
         en_cache = self._cache_facturas.get(clave)