From b0abe829b1adef052ff723c5e316be34eac29b2a Mon Sep 17 00:00:00 2001
From: guillermo <guillermo@verdnatura.es>
Date: Fri, 6 Sep 2024 10:10:41 +0200
Subject: [PATCH] fix: refs ##7905 Handle error

---
 loopback/locale/es.json                        | 5 +++--
 modules/entry/back/methods/entry/getBuysCsv.js | 2 ++
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/loopback/locale/es.json b/loopback/locale/es.json
index 8c11b3f1c..8b443d96b 100644
--- a/loopback/locale/es.json
+++ b/loopback/locale/es.json
@@ -371,5 +371,6 @@
 	"The sale not exists in the item shelving": "La venta no existe en la estantería del artículo",
 	"The entry not have stickers": "La entrada no tiene etiquetas",
 	"Too many records": "Demasiados registros",
-    "Original invoice not found": "Factura original no encontrada"
-}
+	"Original invoice not found": "Factura original no encontrada",
+	"The entry has no lines or does not exist": "La entrada no tiene lineas o no existe"
+}
\ No newline at end of file
diff --git a/modules/entry/back/methods/entry/getBuysCsv.js b/modules/entry/back/methods/entry/getBuysCsv.js
index a46f09c66..4bd246fa0 100644
--- a/modules/entry/back/methods/entry/getBuysCsv.js
+++ b/modules/entry/back/methods/entry/getBuysCsv.js
@@ -1,5 +1,6 @@
 const {toCSV} = require('vn-loopback/util/csv');
 const {flatten} = require('vn-loopback/util/flatten');
+const UserError = require('vn-loopback/util/user-error');
 
 module.exports = Self => {
     Self.remoteMethodCtx('getBuysCsv', {
@@ -36,6 +37,7 @@ module.exports = Self => {
 
     Self.getBuysCsv = async(ctx, id, options) => {
         const data = await Self.getBuys(ctx, id, null, options);
+        if (!data.length) throw new UserError('The entry has no lines or does not exist');
         const dataFlatted = flatten(data);
         return [toCSV(dataFlatted), 'text/csv', `inline; filename="buys-${id}.csv"`];
     };