From 5d769c130b57fcd35d9c3a43e5d480ff7431c22e Mon Sep 17 00:00:00 2001
From: Johannes Meyer <johannes.meyer@icinga.com>
Date: Wed, 18 Sep 2024 09:34:02 +0200
Subject: [PATCH] downtimes: Support automated removal

---
 .../controllers/DowntimesController.php       | 70 ++++++++++++-------
 .../Command/Object/DeleteDowntimeForm.php     |  4 --
 doc/09-Automation.md                          | 10 +++
 .../Icingadb/Widget/Detail/DowntimeDetail.php |  1 -
 4 files changed, 53 insertions(+), 32 deletions(-)

diff --git a/application/controllers/DowntimesController.php b/application/controllers/DowntimesController.php
index c045ffb45..448f1de5f 100644
--- a/application/controllers/DowntimesController.php
+++ b/application/controllers/DowntimesController.php
@@ -5,6 +5,7 @@
 namespace Icinga\Module\Icingadb\Controllers;
 
 use GuzzleHttp\Psr7\ServerRequest;
+use Icinga\Module\Icingadb\Common\CommandActions;
 use Icinga\Module\Icingadb\Common\Links;
 use Icinga\Module\Icingadb\Forms\Command\Object\DeleteDowntimeForm;
 use Icinga\Module\Icingadb\Model\Downtime;
@@ -13,12 +14,16 @@
 use Icinga\Module\Icingadb\Widget\ItemList\DowntimeList;
 use Icinga\Module\Icingadb\Web\Control\ViewModeSwitcher;
 use Icinga\Module\Icingadb\Widget\ShowMore;
+use ipl\Orm\Model;
+use ipl\Stdlib\Filter;
 use ipl\Web\Control\LimitControl;
 use ipl\Web\Control\SortControl;
 use ipl\Web\Url;
 
 class DowntimesController extends Controller
 {
+    use CommandActions;
+
     public function indexAction()
     {
         $this->addTitleTab(t('Downtimes'));
@@ -109,34 +114,9 @@ public function indexAction()
 
     public function deleteAction()
     {
+        $this->assertIsGrantedOnCommandTargets('icingadb/command/downtime/delete');
         $this->setTitle(t('Cancel Downtimes'));
-
-        $db = $this->getDb();
-
-        $downtimes = Downtime::on($db)->with([
-            'host',
-            'host.state',
-            'service',
-            'service.host',
-            'service.host.state',
-            'service.state'
-        ]);
-
-        $this->filter($downtimes);
-
-        $form = (new DeleteDowntimeForm())
-            ->setObjects($downtimes)
-            ->setRedirectUrl(Links::downtimes()->getAbsoluteUrl())
-            ->on(DeleteDowntimeForm::ON_SUCCESS, function ($form) {
-                // This forces the column to reload nearly instantly after the redirect
-                // and ensures the effect of the command is visible to the user asap
-                $this->getResponse()->setAutoRefreshInterval(1);
-
-                $this->redirectNow($form->getRedirectUrl());
-            })
-            ->handleRequest(ServerRequest::fromGlobals());
-
-        $this->addContent($form);
+        $this->handleCommandForm(DeleteDowntimeForm::class);
     }
 
     public function detailsAction()
@@ -200,4 +180,40 @@ public function searchEditorAction()
         $this->getDocument()->add($editor);
         $this->setTitle(t('Adjust Filter'));
     }
+
+    protected function getCommandTargetsUrl(): Url
+    {
+        return Url::fromPath('__CLOSE__');
+    }
+
+    protected function fetchCommandTargets()
+    {
+        $downtimes = Downtime::on($this->getDb())->with([
+            'host',
+            'host.state',
+            'service',
+            'service.host',
+            'service.host.state',
+            'service.state'
+        ]);
+
+        $this->filter($downtimes);
+
+        return $downtimes;
+    }
+
+    public function isGrantedOn(string $permission, Model $object): bool
+    {
+        if ($object->scheduled_by !== null) {
+            return false;
+        }
+
+        return parent::isGrantedOn($permission, $object->{$object->object_type});
+    }
+
+    public function isGrantedOnType(string $permission, string $type, Filter\Rule $filter, bool $cache = true): bool
+    {
+        return parent::isGrantedOnType($permission, 'host', $filter, $cache)
+            || parent::isGrantedOnType($permission, 'service', $filter, $cache);
+    }
 }
diff --git a/application/forms/Command/Object/DeleteDowntimeForm.php b/application/forms/Command/Object/DeleteDowntimeForm.php
index b13bcc524..79165d2c8 100644
--- a/application/forms/Command/Object/DeleteDowntimeForm.php
+++ b/application/forms/Command/Object/DeleteDowntimeForm.php
@@ -9,15 +9,12 @@
 use Icinga\Module\Icingadb\Forms\Command\CommandForm;
 use Icinga\Web\Notification;
 use ipl\Orm\Model;
-use ipl\Web\Common\RedirectOption;
 use ipl\Web\Widget\Icon;
 use Iterator;
 use Traversable;
 
 class DeleteDowntimeForm extends CommandForm
 {
-    use RedirectOption;
-
     protected $defaultAttributes = ['class' => 'inline'];
 
     public function __construct()
@@ -38,7 +35,6 @@ public function __construct()
 
     protected function assembleElements()
     {
-        $this->addElement($this->createRedirectOption());
     }
 
     protected function assembleSubmitButton()
diff --git a/doc/09-Automation.md b/doc/09-Automation.md
index 1c5ac4ac3..f993482ef 100644
--- a/doc/09-Automation.md
+++ b/doc/09-Automation.md
@@ -228,6 +228,16 @@ None.
 | hours    | y        | Number      | flexible   |
 | minutes  | y        | Number      | flexible   |
 
+### Delete Downtimes
+
+#### Routes
+
+* icingadb/downtimes/delete
+
+#### Options
+
+None.
+
 ### Send Custom Notification
 
 #### Routes
diff --git a/library/Icingadb/Widget/Detail/DowntimeDetail.php b/library/Icingadb/Widget/Detail/DowntimeDetail.php
index 9e50f7f26..6a3902dc4 100644
--- a/library/Icingadb/Widget/Detail/DowntimeDetail.php
+++ b/library/Icingadb/Widget/Detail/DowntimeDetail.php
@@ -58,7 +58,6 @@ protected function createCancelDowntimeForm()
 
         return (new DeleteDowntimeForm())
             ->setObjects([$this->downtime])
-            ->populate(['redirect' => '__BACK__'])
             ->setAction($action->getAbsoluteUrl());
     }