Portfolio: Add hook for when an item is deleted - refs BT#20443

main/inc/lib/PortfolioController.php

@@ -948,6 +948,11 @@ class PortfolioController
             api_not_allowed(true);
         }
 
+        HookPortfolioItemDeleted::create()
+            ->setEventData(['item' => $item])
+            ->notifyItemDeleted()
+        ;
+
         $this->em->remove($item);
         $this->em->flush();
 

main/inc/lib/hook/HookPortfolioItemDeleted.php

@@ -0,0 +1,19 @@
+<?php
+
+/* For licensing terms, see /license.txt */
+
+class HookPortfolioItemDeleted extends HookEvent implements HookPortfolioItemDeletedEventInterface
+{
+    protected function __construct()
+    {
+        parent::__construct('HookPortfolioItemDeleted');
+    }
+
+    public function notifyItemDeleted()
+    {
+        /** @var HookPortfolioItemDeletedHookObserverInterface $observer */
+        foreach ($this->observers as $observer) {
+            $observer->hookItemDeleted($this);
+        }
+    }
+}

main/inc/lib/hook/interfaces/HookPortfolioItemDeletedEventInterface.php

@@ -0,0 +1,8 @@
+<?php
+
+/* For licensing terms, see /license.txt */
+
+interface HookPortfolioItemDeletedEventInterface extends HookEventInterface
+{
+    public function notifyItemDeleted();
+}

main/inc/lib/hook/interfaces/HookPortfolioItemDeletedHookObserverInterface.php

@@ -0,0 +1,8 @@
+<?php
+
+/* For licensing terms, see /license.txt */
+
+interface HookPortfolioItemDeletedHookObserverInterface extends HookObserverInterface
+{
+    public function hookItemDeleted(HookPortfolioItemDeletedEventInterface $hookEvent);
+}