icingaweb2/modules/monitoring/application/views/scripts/partials/event-history.phtml

<?php
use Icinga\Module\Monitoring\Object\Host;
use Icinga\Module\Monitoring\Object\Service;

function contactsLink($match, $view) {
    $links = array();
    foreach (preg_split('/,\s/', $match[1]) as $contact) {
        $links[] = $view->qlink(
            $contact,
            'monitoring/show/contact',
            array('contact_name' => $contact),
            array('title' => sprintf($view->translate('Show detailed information about %s'), $contact))
        );
    }
    return '[' . implode(', ', $links) . ']';
}

$self = $this;

$url = $this->url();
$limit = (int) $url->getParam('limit', 25);
if (! $url->hasParam('page') || ($page = (int) $url->getParam('page')) < 1) {
    $page = 1;
}

/** @var \Icinga\Module\Monitoring\DataView\EventHistory $history */
$history->limit($limit * $page);
?>
<div class="content">
<?php if (! $history->hasResult()): ?>
    <p><?= $this->translate('No historical events found matching the filter.') ?></p>
</div>
<?php return; endif ?>
    <table class="state-table" data-base-target="_next"<?php if (isset($tableCssClass)): ?> class="<?=$tableCssClass ?>"<?php endif ?>>
    <tbody>
    <?php foreach ($history->peekAhead() as $event):
        $icon = '';
        $iconCssClass = '';
        $isService = isset($event->service_description);
        $msg = $event->output;
        $stateName = 'no-state';
        switch ($event->type) {
            case 'notify':
                $icon = 'bell-alt';
                $label = $this->translate('NOTIFICATION');
                $msg = $msg ? preg_replace_callback(
                    '/^\[([^\]]+)\]/',
                    function($match) use ($self) { return contactsLink($match, $self); },
                    $msg
                ) : $this->translate('This notification was not sent out to any contact.');
                $stateName = $isService ? Service::getStateText($event->state) : Host::getStateText($event->state);
                break;
            case 'comment':
                $icon = 'comment';
                $label = $this->translate('COMMENT');
                break;
            case 'comment_deleted':
                $icon = 'cancel';
                $label = $this->translate('COMMENT DELETED');
                break;
            case 'ack':
                $icon = 'ok';
                $label = $this->translate('ACKNOWLEDGED');
                break;
            case 'ack_deleted':
                $icon = 'ok';
                $iconCssClass = 'icon-strikethrough';
                $label = $this->translate('ACKNOWLEDGEMENT REMOVED');
                break;
            case 'dt_comment':
                // TODO(el): Does not appear in history
                $icon = 'plug';
                $label = $this->translate('SCHEDULED DOWNTIME');
                break;
            case 'dt_comment_deleted':
                // TODO(el): Does not appear in history
                $icon = 'plug';
                $iconCssClass = 'icon-strikethrough';
                $label = $this->translate('DOWNTIME DELETED');
                break;
            case 'flapping':
                // TODO(el): Icon
                $label = $this->translate('FLAPPING');
                break;
            case 'flapping_deleted':
                // TODO(el): Icon
                $label = $this->translate('FLAPPING STOPPED');
                break;
            case 'hard_state':
                $label = $isService ? Service::getStateText($event->state, true) : Host::getStateText($event->state, true);
                $stateName = $isService ? Service::getStateText($event->state) : Host::getStateText($event->state);
                break;
            case 'soft_state':
                $label = $isService ? Service::getStateText($event->state, true) : Host::getStateText($event->state, true);
                $stateName = $isService ? Service::getStateText($event->state) : Host::getStateText($event->state);
                break;
            case 'dt_start':
                $icon = 'plug';
                $label = $this->translate('DOWNTIME START');
                break;
            case 'dt_end':
                $icon = 'plug';
                $iconCssClass = 'icon-strikethrough';
                $label = $this->translate('DOWNTIME END');
                break;
        } ?>
        <tr>
            <td class="state-col state-<?= $stateName ?>">
            <?php if ($history->getIteratorPosition() % $limit === 0): ?>
                <a id="page-<?= $history->getIteratorPosition() / $limit + 1 ?>"></a>
            <?php endif ?>
                <div class="state-label"><?= $this->escape($label) ?></div>
                <div class="state-meta"><?= $this->timeAgo($event->timestamp, $this->compact) ?></div>
            </td>
            <td>
                <?php if ($this->isOverview): ?>
                    <?= $this->qlink(
                        $event->host_display_name,
                        'monitoring/host/show',
                        array(
                            'host' => $event->host_name,
                        ),
                        array('title' => sprintf(
                            $this->translate('Show detailed information for host %s'),
                            $event->host_display_name
                        ))
                    ) ?><?php if ($isService): ?>&#58;
                        <?= $this->qlink(
                            $event->service_display_name,
                            'monitoring/service/show',
                            array(
                                'host'      => $event->host_name,
                                'service'   => $event->service_description
                            ),
                            array(
                                'class' => 'rowaction',
                                'title' => sprintf(
                                    $this->translate('Show detailed information for service %s on host %s'),
                                    $event->service_display_name,
                                    $event->host_display_name
                                )
                            )
                        ) ?>
                    <?php endif ?>
                <?php endif ?>
                <p class="overview-plugin-output">
                    <?php if ($icon) {
                        echo $this->icon($icon, null, $iconCssClass ? array('class' => $iconCssClass) : array());
                    } ?>
                    <?= nl2br($this->createTicketLinks($this->escape($msg)), false) ?>
                </p>
            </td>
        </tr>
        <?php endforeach ?>
        </tbody>
    </table>
<?php if ($history->hasMore()): ?>
    <div class="action-links">
    <?php if ($this->compact) {
        echo $this->qlink(
            $this->translate('Show More'),
            $url->without(array('view', 'limit')),
            null,
            array(
                'class'             => 'action-link',
                'data-base-target'  => '_next'
            )
        );
    } else {
        echo $this->qlink(
            $this->translate('Load More'),
            $url->setAnchor('page-' . ($page + 1)),
            array('page' => $page + 1,),
            array('class' => 'action-link')
        );
    } ?>
    </div>
<?php endif ?>
</div>