Add findActionGroupById

src/Models/CharacterViewpoint.php

@@ -106,6 +106,22 @@ class CharacterViewpoint implements CreateableInterface
         $this->actionGroups = $actionGroups;
     }
 
+    /**
+     * Finds an action group by id.
+     * @param $actionGroupId
+     * @return ActionGroup|null
+     */
+    public function findActionGroupById(string $actionGroupId)
+    {
+        $groups = $this->getActionGroups();
+        foreach ($groups as $g) {
+            if ($g->getId() == $actionGroupId) {
+                return $g;
+            }
+        }
+        return null;
+    }
+
     /**
      * Returns all attachments.
      * @return array

tests/Models/CharacterViewpointTest.php

@@ -103,6 +103,9 @@ class CharacterViewpointTest extends CoreModelTestCase
 
         $output = $em->getRepository(CharacterViewpoint::class)->find(2);
         $this->assertEquals($actionGroups, $output->getActionGroups());
+
+        $this->assertEquals($ag2, $input->findActionGroupById('id2'));
+        $this->assertNull($input->findActionGroupById('not-there'));
     }
 
     public function testAttachments()