Join requests now present an "are you sure?" modal

src/Controller/OrganisationMembersController.php

@@ -105,7 +105,7 @@ class OrganisationMembersController extends SimpleController
         Capsule::transaction(function () use ($organisation, $currentUser, $classMapper, $config) {
             $organisation->members()->attach($currentUser->id, [
                 'flag_admin' => false,
-                'flag_approved' => !$config['organisation']['membership']['require_approval'],
+                'flag_approved' => !$config['organisation.membership.require_approval'],
             ]);
 
             $organisation->save();
@@ -976,6 +976,55 @@ class OrganisationMembersController extends SimpleController
         return $sprunje->toResponse($response);
     }
 
+    /**
+     * Get join confirmation modal.
+     *
+     * @param Request  $request
+     * @param Response $response
+     * @param array    $args
+     *
+     * @throws NotFoundException   If organisation is not found
+     * @throws ForbiddenException  If user is not authorized to access page
+     * @throws BadRequestException
+     */
+    public function getModalConfirmJoin(Request $request, Response $response, $args)
+    {
+        /** @var \UserFrosting\Sprinkle\Account\Authorize\AuthorizationManager $authorizer */
+        $authorizer = $this->ci->authorizer;
+
+        /** @var \UserFrosting\Sprinkle\Core\Util\ClassMapper $classMapper */
+        $classMapper = $this->ci->classMapper;
+
+        /** @var \UserFrosting\Support\Repository\Repository $config */
+        $config = $this->ci->config;
+
+        /** @var \UserFrosting\Sprinkle\Account\Database\Models\Interfaces\UserInterface $currentUser */
+        $currentUser = $this->ci->currentUser;
+
+
+        $organisation = $this->getOrganisationFromParams($args);
+
+        // If the organisation no longer exists, forward to main organisation listing page
+        if (!$organisation) {
+            throw new NotFoundException();
+        }
+
+        // Access-controlled page
+        if (!$authorizer->checkAccess($currentUser, 'join_organisation', [
+            'organisation' => $organisation,
+        ])) {
+            throw new ForbiddenException();
+        }
+
+        return $this->ci->view->render($response, 'modals/confirm-join-organisation.html.twig', [
+            'organisation' => $organisation,
+            'approval_required' => $config['organisation.membership.require_approval'],
+            'form'  => [
+                'action' => "api/organisations/o/{$organisation->slug}/members",
+            ],
+        ]);
+    }
+
     /**
      * Get leave confirmation modal.
      *