From ffb56ab09f0c1011e96207405e669c8dd4b8e74d Mon Sep 17 00:00:00 2001
From: naomi <naomi@happycatsin.space>
Date: Tue, 7 Jun 2022 13:07:18 +0100
Subject: [PATCH] fixed breadcrumbs so they work for ciac

---
 modules/opencase_cases/src/Entity/OCCase.php | 11 +++++++++++
 src/Breadcrumb/BreadcrumbBuilder.php         | 10 +++++++++-
 2 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/modules/opencase_cases/src/Entity/OCCase.php b/modules/opencase_cases/src/Entity/OCCase.php
index dd7d468..63bc590 100644
--- a/modules/opencase_cases/src/Entity/OCCase.php
+++ b/modules/opencase_cases/src/Entity/OCCase.php
@@ -2,6 +2,7 @@
 
 namespace Drupal\opencase_cases\Entity;
 
+use Drupal\Core\Entity\ContentEntityBase;
 use Drupal\Core\Entity\EntityStorageInterface;
 use Drupal\Core\Field\BaseFieldDefinition;
 use Drupal\Core\Entity\RevisionableContentEntityBase;
@@ -116,6 +117,16 @@ class OCCase extends RevisionableContentEntityBase implements OCCaseInterface
     else return [];
   }
 
+  public function getTargetEntity(): ContentEntityBase {
+    if (!$this->oc_target->isEmpty()) {
+      return $this->oc_target->entity;
+    } elseif ($this->hasField('client') && !$this->client->isEmpty()) {
+      return $this->client->entity;
+    } else {
+      throw new \Exception('No target found on case');
+    }
+  }
+
   /**
    * {@inheritdoc}
    */
diff --git a/src/Breadcrumb/BreadcrumbBuilder.php b/src/Breadcrumb/BreadcrumbBuilder.php
index 16594b2..908e899 100644
--- a/src/Breadcrumb/BreadcrumbBuilder.php
+++ b/src/Breadcrumb/BreadcrumbBuilder.php
@@ -7,6 +7,7 @@ use Drupal\Core\Breadcrumb\Breadcrumb;
 use Drupal\opencase_cases\Entity\OCCase;
 use Drupal\Core\Entity\ContentEntityBase;
 use Drupal\Core\Routing\RouteMatchInterface;
+use Drupal\opencase_entities\Entity\OCOrganisation;
 use Drupal\Core\Breadcrumb\BreadcrumbBuilderInterface;
 
 class BreadcrumbBuilder implements BreadcrumbBuilderInterface {
@@ -29,13 +30,20 @@ class BreadcrumbBuilder implements BreadcrumbBuilderInterface {
     return \Drupal::service('title_resolver')->getTitle($request, $route_match->getRouteObject());
   }
 
+  private function addLinksForCaseTarget(ContentEntityBase $entity) {
+    if ($entity instanceof OCOrganisation) {
+      $this->addLinksForOrganisation($entity);
+    }
+  }
+
   private function addLinksForOrganisation(ContentEntityBase $entity) {
     $fields = ['field_umbrella_client'];
     $this->addLinks($entity, $fields);
   }
+
   private function addLinksForCase(OCCase $case) {
     $fields = ['client', 'field_project'];
-    $this->addLinksForOrganisation($case->get('client')->entity);
+    $this->addLinksForCaseTarget($case->getTargetEntity());
     $this->addLinks($case, $fields);
   }