Introduce DowntimeRenderer

- Use it for ObjectList and ObjectHeader
- Remove now unused code and css

application/controllers/DowntimeController.php

@@ -10,7 +10,7 @@ use Icinga\Module\Icingadb\Common\Links;
 use Icinga\Module\Icingadb\Model\Downtime;
 use Icinga\Module\Icingadb\Web\Controller;
 use Icinga\Module\Icingadb\Widget\Detail\DowntimeDetail;
-use Icinga\Module\Icingadb\Widget\ItemList\DowntimeList;
+use Icinga\Module\Icingadb\Widget\Detail\ObjectHeader;
 use ipl\Stdlib\Filter;
 use ipl\Web\Url;
 
@@ -61,11 +61,7 @@ class DowntimeController extends Controller
     {
         $detail = new DowntimeDetail($this->downtime);
 
-        $this->addControl((new DowntimeList([$this->downtime]))
-            ->setViewMode('minimal')
-            ->setDetailActionsDisabled()
-            ->setCaptionDisabled()
-            ->setNoSubjectLink());
+        $this->addControl(new ObjectHeader($this->downtime));
 
         $this->addContent($detail);
 

application/controllers/DowntimesController.php

@@ -10,8 +10,8 @@ use Icinga\Module\Icingadb\Forms\Command\Object\DeleteDowntimeForm;
 use Icinga\Module\Icingadb\Model\Downtime;
 use Icinga\Module\Icingadb\Web\Control\SearchBar\ObjectSuggestions;
 use Icinga\Module\Icingadb\Web\Controller;
-use Icinga\Module\Icingadb\Widget\ItemList\DowntimeList;
 use Icinga\Module\Icingadb\Web\Control\ViewModeSwitcher;
+use Icinga\Module\Icingadb\Widget\ItemList\ObjectList;
 use Icinga\Module\Icingadb\Widget\ShowMore;
 use ipl\Web\Control\LimitControl;
 use ipl\Web\Control\SortControl;
@@ -87,7 +87,12 @@ class DowntimesController extends Controller
 
         $results = $downtimes->execute();
 
-        $this->addContent((new DowntimeList($results))->setViewMode($viewModeSwitcher->getViewMode()));
+        $this->addContent(
+            (new ObjectList($results))
+                ->setViewMode($viewModeSwitcher->getViewMode())
+                ->setMultiselectUrl(Links::downtimesDetails())
+                ->setDetailUrl(Url::fromPath('icingadb/downtime'))
+        );
 
         if ($compact) {
             $this->addContent(
@@ -162,7 +167,7 @@ class DowntimesController extends Controller
 
         $rs = $downtimes->execute();
 
-        $this->addControl((new DowntimeList($rs))->setViewMode('minimal'));
+        $this->addControl((new ObjectList($rs))->setViewMode('minimal'));
 
         $this->addControl(new ShowMore(
             $rs,

library/Icingadb/View/DowntimeRenderer.php

@@ -0,0 +1,255 @@
+<?php
+
+/* Icinga DB Web | (c) 2025 Icinga GmbH | GPLv2 */
+
+namespace Icinga\Module\Icingadb\View;
+
+use Icinga\Date\DateFormatter;
+use Icinga\Module\Icingadb\Common\HostLink;
+use Icinga\Module\Icingadb\Common\Icons;
+use Icinga\Module\Icingadb\Common\Links;
+use Icinga\Module\Icingadb\Common\ServiceLink;
+use Icinga\Module\Icingadb\Common\TicketLinks;
+use Icinga\Module\Icingadb\Model\Downtime;
+use Icinga\Module\Icingadb\Widget\MarkdownLine;
+use ipl\Html\Attributes;
+use ipl\Html\Html;
+use ipl\Html\HtmlDocument;
+use ipl\Html\HtmlElement;
+use ipl\Html\TemplateString;
+use ipl\Html\Text;
+use ipl\I18n\Translation;
+use ipl\Web\Common\ItemRenderer;
+use ipl\Web\Widget\Icon;
+use ipl\Web\Widget\Link;
+
+/** @implements ItemRenderer<Downtime> */
+class DowntimeRenderer implements ItemRenderer
+{
+    use Translation;
+    use TicketLinks;
+    use HostLink;
+    use ServiceLink;
+
+    /** @var int Current Time */
+    protected $currentTime;
+
+    /** @var int Duration */
+    protected $duration;
+
+    /** @var int Downtime end time */
+    protected $endTime;
+
+    /** @var bool Whether the downtime is active */
+    protected $isActive;
+
+    /** @var int Downtime start time */
+    protected $startTime;
+
+    /** @var bool Whether the state has been loaded */
+    protected $stateLoaded = false;
+
+    /**
+     * @var bool Whether the item is being rendered in the detail view of the associated object (host/service)
+     *
+     * When true:
+     *
+     * - Creation of the link of the associated object (host/service) is omitted from the title
+     * - The ticket link will be created
+     */
+    protected $isDetailView = false;
+
+    /**
+     * Set whether the item is being rendered in the detail view of the associated object (host/service)
+     *
+     * @param bool $state
+     *
+     * @return $this
+     */
+    public function setIsDetailView(bool $state = true): self
+    {
+        $this->isDetailView = $state;
+
+        return $this;
+    }
+
+    /**
+     * Load the state of the downtime
+     *
+     * @param Downtime $item
+     *
+     * @return void
+     */
+    protected function loadState(Downtime $item): void
+    {
+        if ($this->stateLoaded) {
+            return;
+        }
+
+        if (
+            isset($item->start_time, $item->end_time)
+            && $item->is_flexible
+            && $item->is_in_effect
+        ) {
+            $this->startTime = $item->start_time->getTimestamp();
+            $this->endTime = $item->end_time->getTimestamp();
+        } else {
+            $this->startTime = $item->scheduled_start_time->getTimestamp();
+            $this->endTime = $item->scheduled_end_time->getTimestamp();
+        }
+
+        $this->currentTime = time();
+
+        $this->isActive = $item->is_in_effect
+            || ($item->is_flexible && $item->scheduled_start_time->getTimestamp() <= $this->currentTime);
+
+        $until = ($this->isActive ? $this->endTime : $this->startTime) - $this->currentTime;
+        $this->duration = explode(' ', DateFormatter::formatDuration(
+            $until <= 3600 ? $until : $until + (3600 - ((int) $until % 3600))
+        ), 2)[0];
+
+        $this->stateLoaded = true;
+    }
+
+    public function assembleAttributes($item, Attributes $attributes, string $layout): void
+    {
+        $attributes->add(new Attributes(['class' => ['downtime', $item->is_in_effect ? 'in-effect' : '']]));
+    }
+
+    public function assembleVisual($item, HtmlDocument $visual, string $layout): void
+    {
+        $this->loadState($item);
+
+        $dateTime = DateFormatter::formatDateTime($this->endTime);
+
+        if ($this->isActive) {
+            $visual->addHtml(Html::sprintf(
+                $this->translate('%s left', '<timespan>..'),
+                Html::tag(
+                    'strong',
+                    Html::tag(
+                        'time',
+                        [
+                            'datetime' => $dateTime,
+                            'title'    => $dateTime
+                        ],
+                        $this->duration
+                    )
+                )
+            ));
+        } else {
+            $visual->addHtml(Html::sprintf(
+                $this->translate('in %s', '..<timespan>'),
+                Html::tag('strong', $this->duration)
+            ));
+        }
+    }
+
+    public function assembleTitle($item, HtmlDocument $title, string $layout): void
+    {
+        if ($this->isDetailView) {
+            $link = null;
+        } elseif ($item->object_type === 'host') {
+            $link = $this->createHostLink($item->host, true);
+        } else {
+            $link = $this->createServiceLink($item->service, $item->service->host, true);
+        }
+
+        if ($item->is_flexible) {
+            if ($link !== null) {
+                $template = $this->translate('{{#link}}Flexible Downtime{{/link}} for %s');
+            } else {
+                $template = $this->translate('Flexible Downtime');
+            }
+        } else {
+            if ($link !== null) {
+                $template = $this->translate('{{#link}}Fixed Downtime{{/link}} for %s');
+            } else {
+                $template = $this->translate('Fixed Downtime');
+            }
+        }
+
+        if ($layout === 'header') {
+            if ($link === null) {
+                $title->addHtml(HtmlElement::create('span', [ 'class' => 'subject'], $template));
+            } else {
+                $title->addHtml(TemplateString::create(
+                    $template,
+                    ['link' => HtmlElement::create('span', [ 'class' => 'subject'])],
+                    $link
+                ));
+            }
+        } else {
+            if ($link === null) {
+                $title->addHtml(new Link($template, Links::downtime($item)));
+            } else {
+                $title->addHtml(TemplateString::create(
+                    $template,
+                    ['link' => new Link('', Links::downtime($item))],
+                    $link
+                ));
+            }
+        }
+    }
+
+    public function assembleCaption($item, HtmlDocument $caption, string $layout): void
+    {
+        $markdownLine = new MarkdownLine(
+            $this->isDetailView ? $this->createTicketLinks($item->comment) : $item->comment
+        );
+        $caption->getAttributes()->add($markdownLine->getAttributes());
+        $caption->addHtml(
+            new HtmlElement(
+                'span',
+                null,
+                new Icon(Icons::USER),
+                Text::create($item->author)
+            ),
+            Text::create(': ')
+        )->addFrom($markdownLine);
+    }
+
+    public function assembleExtendedInfo($item, HtmlDocument $info, string $layout): void
+    {
+        $this->loadState($item);
+
+        $dateTime = DateFormatter::formatDateTime($this->isActive ? $this->endTime : $this->startTime);
+
+        $info->addHtml(Html::tag(
+            'time',
+            [
+                'datetime' => $dateTime,
+                'title'    => $dateTime
+            ],
+            sprintf(
+                $this->isActive
+                    ? $this->translate('expires in %s', '..<timespan>')
+                    : $this->translate('starts in %s', '..<timespan>'),
+                $this->duration
+            )
+        ));
+    }
+
+    public function assembleFooter($item, HtmlDocument $footer, string $layout): void
+    {
+    }
+
+    public function assemble($item, string $name, HtmlDocument $element, string $layout): bool
+    {
+        if ($name === 'progress' && ($layout === 'detailed' || $layout === 'common')) {
+            $this->loadState($item);
+
+            $element
+                ->addAttributes(Attributes::create([
+                    'data-animate-progress' => true,
+                    'data-start-time' => $this->startTime,
+                    'data-end-time' => $this->endTime
+                ]))
+                ->addHtml(new HtmlElement('div', Attributes::create(['class' => 'bar'])));
+
+            return true;
+        }
+
+        return false;
+    }
+}

library/Icingadb/Widget/Detail/DowntimeDetail.php

@@ -10,12 +10,13 @@ use Icinga\Module\Icingadb\Common\Auth;
 use Icinga\Module\Icingadb\Common\Database;
 use Icinga\Module\Icingadb\Common\HostLink;
 use Icinga\Module\Icingadb\Common\Links;
+use Icinga\Module\Icingadb\Widget\ItemList\ObjectList;
 use Icinga\Module\Icingadb\Widget\MarkdownText;
 use Icinga\Module\Icingadb\Common\ServiceLink;
 use Icinga\Module\Icingadb\Forms\Command\Object\DeleteDowntimeForm;
 use Icinga\Module\Icingadb\Model\Downtime;
-use Icinga\Module\Icingadb\Widget\ItemList\DowntimeList;
 use Icinga\Module\Icingadb\Widget\ShowMore;
+use ipl\Web\Url;
 use ipl\Web\Widget\EmptyState;
 use ipl\Web\Widget\HorizontalKeyValue;
 use ipl\Html\BaseHtmlElement;
@@ -180,7 +181,9 @@ class DowntimeDetail extends BaseHtmlElement
         if ($children->hasResult()) {
             $this->addHtml(
                 new HtmlElement('h2', null, Text::create(t('Children'))),
-                new DowntimeList($children),
+                (new ObjectList($children))
+                    ->setMultiselectUrl(Links::downtimesDetails())
+                    ->setDetailUrl(Url::fromPath('icingadb/downtime')),
                 (new ShowMore($children, Links::downtimes()->setQueryString(
                     QueryString::render(Filter::any(
                         Filter::equal('downtime.parent.name', $this->downtime->name),

library/Icingadb/Widget/Detail/ObjectDetail.php

@@ -285,7 +285,9 @@ class ObjectDetail extends BaseHtmlElement
         $content = [Html::tag('h2', t('Downtimes'))];
 
         if ($downtimes->hasResult()) {
-            $content[] = (new DowntimeList($downtimes))->setObjectLinkDisabled()->setTicketLinkEnabled();
+            $content[] = (new TicketLinkObjectList($downtimes))
+                ->setMultiselectUrl(Links::downtimesDetails())
+                ->setDetailUrl(Url::fromPath('icingadb/downtime'));
             $content[] = (new ShowMore($downtimes, $link))->setBaseTarget('_next');
         } else {
             $content[] = new EmptyState(t('No downtimes scheduled.'));

library/Icingadb/Widget/Detail/ObjectHeader.php

@@ -6,12 +6,14 @@ namespace Icinga\Module\Icingadb\Widget\Detail;
 
 use Icinga\Exception\NotImplementedError;
 use Icinga\Module\Icingadb\Model\Comment;
+use Icinga\Module\Icingadb\Model\Downtime;
 use Icinga\Module\Icingadb\Model\Host;
 use Icinga\Module\Icingadb\Model\RedundancyGroup;
 use Icinga\Module\Icingadb\Model\Service;
 use Icinga\Module\Icingadb\Model\User;
 use Icinga\Module\Icingadb\Model\Usergroup;
 use Icinga\Module\Icingadb\View\CommentRenderer;
+use Icinga\Module\Icingadb\View\DowntimeRenderer;
 use Icinga\Module\Icingadb\View\HostRenderer;
 use Icinga\Module\Icingadb\View\RedundancyGroupRenderer;
 use Icinga\Module\Icingadb\View\ServiceRenderer;
@@ -59,6 +61,10 @@ class ObjectHeader extends BaseHtmlElement
             case $this->object instanceof Comment:
                 $renderer = new CommentRenderer();
 
+                break;
+            case $this->object instanceof Downtime:
+                $renderer = new DowntimeRenderer();
+
                 break;
             default:
                 throw new NotImplementedError('Not implemented');

library/Icingadb/Widget/ItemList/BaseDowntimeListItem.php

@@ -1,216 +0,0 @@
-<?php
-
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
-
-namespace Icinga\Module\Icingadb\Widget\ItemList;
-
-use Icinga\Date\DateFormatter;
-use Icinga\Module\Icingadb\Common\HostLink;
-use Icinga\Module\Icingadb\Common\Icons;
-use Icinga\Module\Icingadb\Common\Links;
-use Icinga\Module\Icingadb\Common\NoSubjectLink;
-use Icinga\Module\Icingadb\Common\ObjectLinkDisabled;
-use Icinga\Module\Icingadb\Common\ServiceLink;
-use Icinga\Module\Icingadb\Common\TicketLinks;
-use Icinga\Module\Icingadb\Model\Downtime;
-use Icinga\Module\Icingadb\Widget\MarkdownLine;
-use ipl\Html\Attributes;
-use ipl\Html\BaseHtmlElement;
-use ipl\Html\Html;
-use ipl\Html\HtmlElement;
-use ipl\Html\TemplateString;
-use ipl\Html\Text;
-use ipl\Stdlib\Filter;
-use ipl\Web\Common\BaseListItem;
-use ipl\Web\Widget\Icon;
-use ipl\Web\Widget\Link;
-
-/**
- * Downtime item of a downtime list. Represents one database row.
- *
- * @property Downtime $item
- * @property DowntimeList $list
- */
-abstract class BaseDowntimeListItem extends BaseListItem
-{
-    use HostLink;
-    use ServiceLink;
-    use NoSubjectLink;
-    use ObjectLinkDisabled;
-    use TicketLinks;
-
-    /** @var int Current Time */
-    protected $currentTime;
-
-    /** @var int Duration */
-    protected $duration;
-
-    /** @var int Downtime end time */
-    protected $endTime;
-
-    /** @var bool Whether the downtime is active */
-    protected $isActive;
-
-    /** @var int Downtime start time */
-    protected $startTime;
-
-    protected function init(): void
-    {
-        if (
-            isset($this->item->start_time, $this->item->end_time)
-            && $this->item->is_flexible
-            && $this->item->is_in_effect
-        ) {
-            $this->startTime = $this->item->start_time->getTimestamp();
-            $this->endTime = $this->item->end_time->getTimestamp();
-        } else {
-            $this->startTime = $this->item->scheduled_start_time->getTimestamp();
-            $this->endTime = $this->item->scheduled_end_time->getTimestamp();
-        }
-
-        $this->currentTime = time();
-
-        $this->isActive = $this->item->is_in_effect
-            || $this->item->is_flexible && $this->item->scheduled_start_time->getTimestamp() <= $this->currentTime;
-
-        $until = ($this->isActive ? $this->endTime : $this->startTime) - $this->currentTime;
-        $this->duration = explode(' ', DateFormatter::formatDuration(
-            $until <= 3600 ? $until : $until + (3600 - ((int) $until % 3600))
-        ), 2)[0];
-
-        $this->list->addDetailFilterAttribute($this, Filter::equal('name', $this->item->name));
-        $this->list->addMultiselectFilterAttribute($this, Filter::equal('name', $this->item->name));
-        $this->setObjectLinkDisabled($this->list->getObjectLinkDisabled());
-        $this->setNoSubjectLink($this->list->getNoSubjectLink());
-        $this->setTicketLinkEnabled($this->list->getTicketLinkEnabled());
-
-        if ($this->item->is_in_effect) {
-            $this->getAttributes()->add('class', 'in-effect');
-        }
-    }
-
-    protected function createProgress(): BaseHtmlElement
-    {
-        return new HtmlElement(
-            'div',
-            Attributes::create([
-                'class' => 'progress',
-                'data-animate-progress' => true,
-                'data-start-time' => $this->startTime,
-                'data-end-time' => $this->endTime
-            ]),
-            new HtmlElement(
-                'div',
-                Attributes::create(['class' => 'bar'])
-            )
-        );
-    }
-
-    protected function assembleCaption(BaseHtmlElement $caption): void
-    {
-        $markdownLine = new MarkdownLine($this->createTicketLinks($this->item->comment));
-        $caption->getAttributes()->add($markdownLine->getAttributes());
-        $caption->addHtml(
-            new HtmlElement(
-                'span',
-                null,
-                new Icon(Icons::USER),
-                Text::create($this->item->author)
-            ),
-            Text::create(': ')
-        )->addFrom($markdownLine);
-    }
-
-    protected function assembleTitle(BaseHtmlElement $title): void
-    {
-        if ($this->getObjectLinkDisabled()) {
-            $link = null;
-        } elseif ($this->item->object_type === 'host') {
-            $link = $this->createHostLink($this->item->host, true);
-        } else {
-            $link = $this->createServiceLink($this->item->service, $this->item->service->host, true);
-        }
-
-        if ($this->item->is_flexible) {
-            if ($link !== null) {
-                $template = t('{{#link}}Flexible Downtime{{/link}} for %s');
-            } else {
-                $template = t('Flexible Downtime');
-            }
-        } else {
-            if ($link !== null) {
-                $template = t('{{#link}}Fixed Downtime{{/link}} for %s');
-            } else {
-                $template = t('Fixed Downtime');
-            }
-        }
-
-        if ($this->getNoSubjectLink()) {
-            if ($link === null) {
-                $title->addHtml(HtmlElement::create('span', [ 'class' => 'subject'], $template));
-            } else {
-                $title->addHtml(TemplateString::create(
-                    $template,
-                    ['link' => HtmlElement::create('span', [ 'class' => 'subject'])],
-                    $link
-                ));
-            }
-        } else {
-            if ($link === null) {
-                $title->addHtml(new Link($template, Links::downtime($this->item)));
-            } else {
-                $title->addHtml(TemplateString::create(
-                    $template,
-                    ['link' => new Link('', Links::downtime($this->item))],
-                    $link
-                ));
-            }
-        }
-    }
-
-    protected function assembleVisual(BaseHtmlElement $visual): void
-    {
-        $dateTime = DateFormatter::formatDateTime($this->endTime);
-
-        if ($this->isActive) {
-            $visual->addHtml(Html::sprintf(
-                t('%s left', '<timespan>..'),
-                Html::tag(
-                    'strong',
-                    Html::tag(
-                        'time',
-                        [
-                            'datetime' => $dateTime,
-                            'title'    => $dateTime
-                        ],
-                        $this->duration
-                    )
-                )
-            ));
-        } else {
-            $visual->addHtml(Html::sprintf(
-                t('in %s', '..<timespan>'),
-                Html::tag('strong', $this->duration)
-            ));
-        }
-    }
-
-    protected function createTimestamp(): ?BaseHtmlElement
-    {
-        $dateTime = DateFormatter::formatDateTime($this->isActive ? $this->endTime : $this->startTime);
-
-        return Html::tag(
-            'time',
-            [
-                'datetime' => $dateTime,
-                'title'    => $dateTime
-            ],
-            sprintf(
-                $this->isActive
-                   ? t('expires in %s', '..<timespan>')
-                   : t('starts in %s', '..<timespan>'),
-                $this->duration
-            )
-        );
-    }
-}

library/Icingadb/Widget/ItemList/DowntimeList.php

@@ -1,49 +0,0 @@
-<?php
-
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
-
-namespace Icinga\Module\Icingadb\Widget\ItemList;
-
-use Icinga\Module\Icingadb\Common\CaptionDisabled;
-use Icinga\Module\Icingadb\Common\DetailActions;
-use Icinga\Module\Icingadb\Common\Links;
-use Icinga\Module\Icingadb\Common\NoSubjectLink;
-use Icinga\Module\Icingadb\Common\ObjectLinkDisabled;
-use Icinga\Module\Icingadb\Common\TicketLinks;
-use Icinga\Module\Icingadb\Common\ViewMode;
-use ipl\Web\Common\BaseItemList;
-use ipl\Web\Url;
-
-class DowntimeList extends BaseItemList
-{
-    use CaptionDisabled;
-    use NoSubjectLink;
-    use ObjectLinkDisabled;
-    use ViewMode;
-    use TicketLinks;
-    use DetailActions;
-
-    protected $defaultAttributes = ['class' => 'downtime-list'];
-
-    protected function getItemClass(): string
-    {
-        $viewMode = $this->getViewMode();
-
-        $this->addAttributes(['class' => $viewMode]);
-
-        if ($viewMode === 'minimal') {
-            return DowntimeListItemMinimal::class;
-        } elseif ($viewMode === 'detailed') {
-            $this->removeAttribute('class', 'default-layout');
-        }
-
-        return DowntimeListItem::class;
-    }
-
-    protected function init(): void
-    {
-        $this->initializeDetailActions();
-        $this->setMultiselectUrl(Links::downtimesDetails());
-        $this->setDetailUrl(Url::fromPath('icingadb/downtime'));
-    }
-}

library/Icingadb/Widget/ItemList/DowntimeListItem.php

@@ -1,23 +0,0 @@
-<?php
-
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
-
-namespace Icinga\Module\Icingadb\Widget\ItemList;
-
-use Icinga\Module\Icingadb\Common\ListItemCommonLayout;
-use ipl\Html\BaseHtmlElement;
-
-class DowntimeListItem extends BaseDowntimeListItem
-{
-    use ListItemCommonLayout;
-
-    protected function assembleMain(BaseHtmlElement $main): void
-    {
-        if ($this->item->is_in_effect) {
-            $main->add($this->createProgress());
-        }
-
-        $main->add($this->createHeader());
-        $main->add($this->createCaption());
-    }
-}

library/Icingadb/Widget/ItemList/DowntimeListItemMinimal.php

@@ -1,21 +0,0 @@
-<?php
-
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
-
-namespace Icinga\Module\Icingadb\Widget\ItemList;
-
-use Icinga\Module\Icingadb\Common\ListItemMinimalLayout;
-
-class DowntimeListItemMinimal extends BaseDowntimeListItem
-{
-    use ListItemMinimalLayout;
-
-    protected function init(): void
-    {
-        parent::init();
-
-        if ($this->list->isCaptionDisabled()) {
-            $this->setCaptionDisabled();
-        }
-    }
-}

library/Icingadb/Widget/ItemList/ObjectList.php

@@ -8,6 +8,7 @@ use Icinga\Exception\NotImplementedError;
 use Icinga\Module\Icingadb\Common\DetailActions;
 use Icinga\Module\Icingadb\Model\Comment;
 use Icinga\Module\Icingadb\Model\DependencyNode;
+use Icinga\Module\Icingadb\Model\Downtime;
 use Icinga\Module\Icingadb\Model\Host;
 use Icinga\Module\Icingadb\Model\RedundancyGroup;
 use Icinga\Module\Icingadb\Model\Service;
@@ -16,6 +17,7 @@ use Icinga\Module\Icingadb\Model\User;
 use Icinga\Module\Icingadb\Model\Usergroup;
 use Icinga\Module\Icingadb\Redis\VolatileStateResults;
 use Icinga\Module\Icingadb\View\CommentRenderer;
+use Icinga\Module\Icingadb\View\DowntimeRenderer;
 use Icinga\Module\Icingadb\View\HostRenderer;
 use Icinga\Module\Icingadb\View\RedundancyGroupRenderer;
 use Icinga\Module\Icingadb\View\ServiceRenderer;
@@ -61,6 +63,8 @@ class ObjectList extends ItemList
                 return new UserRenderer();
             } elseif ($item instanceof Comment) {
                 return new CommentRenderer();
+            } elseif ($item instanceof Downtime) {
+                return new DowntimeRenderer();
             }
 
             throw new NotImplementedError('Not implemented');
@@ -132,6 +136,10 @@ class ObjectList extends ItemList
             $layout->after(ItemLayout::VISUAL, 'icon-image');
         }
 
+        if ($item instanceof Downtime) {
+            $layout->before(ItemLayout::HEADER, 'progress');
+        }
+
         return $layout;
     }
 
@@ -195,7 +203,7 @@ class ObjectList extends ItemList
                 $this->addDetailFilterAttribute($item, Filter::equal('name', $object->name));
 
                 break;
-            case $object instanceof Comment:
+            case $object instanceof Comment || $object instanceof Downtime:
                 $this->addDetailFilterAttribute($item, Filter::equal('name', $object->name));
                 $this->addMultiSelectFilterAttribute($item, Filter::equal('name', $object->name));
 

library/Icingadb/Widget/ItemList/TicketLinkObjectList.php

@@ -6,7 +6,9 @@ namespace Icinga\Module\Icingadb\Widget\ItemList;
 
 use Icinga\Exception\NotImplementedError;
 use Icinga\Module\Icingadb\Model\Comment;
+use Icinga\Module\Icingadb\Model\Downtime;
 use Icinga\Module\Icingadb\View\CommentRenderer;
+use Icinga\Module\Icingadb\View\DowntimeRenderer;
 use ipl\Orm\Model;
 use ipl\Web\Widget\ItemList;
 
@@ -24,6 +26,8 @@ class TicketLinkObjectList extends ObjectList
         ItemList::__construct($data, function (Model $item) {
             if ($item instanceof Comment) {
                 return (new CommentRenderer())->setIsDetailView();
+            } elseif ($item instanceof Downtime) {
+                return (new DowntimeRenderer())->setIsDetailView();
             }
 
             throw new NotImplementedError('Not implemented');

public/css/item/downtime.less

@@ -1,17 +1,22 @@
 // Style
+.item-layout.downtime {
+  .visual {
+    background-color: @gray-lighter;
+  }
 
-.downtime-list .list-item,
-.downtime-detail .list-item {
+  &.in-effect .visual {
+    background-color: @color-ok;
+    color: @text-color-on-icinga-blue;
+  }
+}
+
+.list-item.downtime {
   .progress {
     > .bar {
       background-color: @color-ok;
     }
   }
 
-  .visual {
-    background-color: @gray-lighter;
-  }
-
   .main {
     border-top: 1px solid @gray-light;
   }
@@ -23,44 +28,14 @@
       border-top: 1px solid @gray-light;
     }
   }
-
-  &.in-effect {
-    .visual {
-      background-color: @color-ok;
-      color: @text-color-on-icinga-blue;
-    }
-
-    .main {
-      padding-top: 0; // If active the progress bar represents the padding top
-    }
-  }
 }
 
 // Layout
 
-.downtime-list .list-item {
+.item-layout.downtime {
   .caption > * {
     display: inline;
   }
-}
-
-.downtime-list .list-item,
-.downtime-detail .list-item {
-  .progress {
-    height: 2px;
-    margin-bottom: ~"calc(.5em - 2px)";
-    min-width: 100%;
-    position: relative;
-
-    > .bar {
-      height: 100%;
-      max-width: 100%;
-    }
-  }
-
-  &:first-child .main .progress > .bar {
-    height: ~"calc(100% + 1px)"; // +1px due to the border added exclusively for the first item
-  }
 
   .visual {
     justify-content: center;
@@ -77,7 +52,29 @@
   }
 }
 
-.item-list.downtime-list.minimal .list-item {
+.list-item.downtime {
+  .progress {
+    height: 2px;
+    margin-bottom: ~"calc(.5em - 2px)";
+    min-width: 100%;
+    position: relative;
+
+    > .bar {
+      height: 100%;
+      max-width: 100%;
+    }
+  }
+
+  &:first-child .main .progress > .bar {
+    height: ~"calc(100% + 1px)"; // +1px due to the border added exclusively for the first item
+  }
+
+  .main:has(.progress) {
+    padding-top: 0;
+  }
+}
+
+.minimal-item-layout.downtime {
   .visual {
     display: block;
     line-height: 1.5;