From 45a4911c534aa4dab2afa802d1fcefc74809dee0 Mon Sep 17 00:00:00 2001
From: Mario Vercellotti <mario.vercellotti@wunder.io>
Date: Tue, 16 Jan 2024 08:47:03 +0200
Subject: [PATCH]  drupal-graphql#1322: Fix fatal error when attempting to load
 an entity for a language the entity is not translated into.

 This same pattern happens in three plugins, this fixes in all of them.
---
 src/Plugin/GraphQL/DataProducer/Entity/EntityLoad.php       | 3 +++
 src/Plugin/GraphQL/DataProducer/Entity/EntityLoadByUuid.php | 3 +++
 src/Plugin/GraphQL/DataProducer/Routing/RouteEntity.php     | 3 +++
 3 files changed, 9 insertions(+)

diff --git a/src/Plugin/GraphQL/DataProducer/Entity/EntityLoad.php b/src/Plugin/GraphQL/DataProducer/Entity/EntityLoad.php
index 867a28c6c..793861c6a 100644
--- a/src/Plugin/GraphQL/DataProducer/Entity/EntityLoad.php
+++ b/src/Plugin/GraphQL/DataProducer/Entity/EntityLoad.php
@@ -172,6 +172,9 @@ public function resolve($type, $id, ?string $language, ?array $bundles, ?bool $a
 
       // Get the correct translation.
       if (isset($language) && $language !== $entity->language()->getId() && $entity instanceof TranslatableInterface) {
+        if (!$entity->hasTranslation($language)) {
+          return NULL;
+        }
         $entity = $entity->getTranslation($language);
         $entity->addCacheContexts(["static:language:{$language}"]);
       }
diff --git a/src/Plugin/GraphQL/DataProducer/Entity/EntityLoadByUuid.php b/src/Plugin/GraphQL/DataProducer/Entity/EntityLoadByUuid.php
index 10e2d4050..c64a945af 100644
--- a/src/Plugin/GraphQL/DataProducer/Entity/EntityLoadByUuid.php
+++ b/src/Plugin/GraphQL/DataProducer/Entity/EntityLoadByUuid.php
@@ -165,6 +165,9 @@ public function resolve($type, $uuid, ?string $language, ?array $bundles, ?bool
 
       // Get the correct translation.
       if (isset($language) && $language != $entity->language()->getId() && $entity instanceof TranslatableInterface) {
+        if (!$entity->hasTranslation($language)) {
+          return NULL;
+        }
         $entity = $entity->getTranslation($language);
         $entity->addCacheContexts(["static:language:{$language}"]);
       }
diff --git a/src/Plugin/GraphQL/DataProducer/Routing/RouteEntity.php b/src/Plugin/GraphQL/DataProducer/Routing/RouteEntity.php
index 10ea4e607..1fc086038 100644
--- a/src/Plugin/GraphQL/DataProducer/Routing/RouteEntity.php
+++ b/src/Plugin/GraphQL/DataProducer/Routing/RouteEntity.php
@@ -126,6 +126,9 @@ public function resolve($url, ?string $language, FieldContext $context): ?Deferr
 
         // Get the correct translation.
         if (isset($language) && $language != $entity->language()->getId() && $entity instanceof TranslatableInterface) {
+          if (!$entity->hasTranslation($language)) {
+            return NULL;
+          }
           $entity = $entity->getTranslation($language);
           $entity->addCacheContexts(["static:language:{$language}"]);
         }