From 48bb0373225ca7fbfa09822f951e05632d0c628f Mon Sep 17 00:00:00 2001
From: Dmitriy Malyshev <malyshev.co@gmail.com>
Date: Sun, 24 Jul 2022 01:05:20 +0300
Subject: [PATCH] add check for has many relation

---
 src/CanGelis/DataModels/XmlModel.php | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/src/CanGelis/DataModels/XmlModel.php b/src/CanGelis/DataModels/XmlModel.php
index d7635ae..15af95f 100644
--- a/src/CanGelis/DataModels/XmlModel.php
+++ b/src/CanGelis/DataModels/XmlModel.php
@@ -176,11 +176,14 @@ protected function resolveHasOneRelationship($relation)
     protected function resolveHasManyRelationship($relation)
     {
         $items = [];
-        foreach ($this->data->{$relation}->children() as $child) {
-            $items[] = new $this->hasMany[$relation]($child, $child->getName());
-        }
 
-        unset($this->data->{$relation});
+        if (isset($this->data->{$relation})) {
+            foreach ($this->data->{$relation}->children() as $child) {
+                $items[] = new $this->hasMany[$relation]($child, $child->getName());
+            }
+
+            unset($this->data->{$relation});
+        }
 
         return $this->makeCollection($items);
     }