From d586442fbdf3bd1a90d55c19e920a925cdd3fcc7 Mon Sep 17 00:00:00 2001
From: Jim LAURIE <j.laurie6993@gmail.com>
Date: Mon, 8 Oct 2018 12:25:44 +0200
Subject: [PATCH] Fix deep delete relation for oneWay and when there is no
 relations

---
 .../strapi-generate-api/templates/mongoose/service.template   | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/packages/strapi-generate-api/templates/mongoose/service.template b/packages/strapi-generate-api/templates/mongoose/service.template
index e94e72554e..f5de552e9d 100644
--- a/packages/strapi-generate-api/templates/mongoose/service.template
+++ b/packages/strapi-generate-api/templates/mongoose/service.template
@@ -129,6 +129,10 @@ module.exports = {
 
     await Promise.all(
       <%= globalID %>.associations.map(async association => {
+        if (!association.via || !data._id) {
+          return true;
+        }
+
         const search = _.endsWith(association.nature, 'One') || association.nature === 'oneToMany' ? { [association.via]: data._id } : { [association.via]: { $in: [data._id] } };
         const update = _.endsWith(association.nature, 'One') || association.nature === 'oneToMany' ? { [association.via]: null } : { $pull: { [association.via]: data._id } };