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<?php
/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
namespace Icinga\Module\Icingadb\Hook\ExtensionHook;
use Exception;
use Icinga\Application\Hook;
use Icinga\Application\Logger;
use Icinga\Exception\IcingaException;
use Icinga\Module\Icingadb\Hook\HostsDetailExtensionHook;
use Icinga\Module\Icingadb\Hook\ServicesDetailExtensionHook;
use InvalidArgumentException;
use ipl\Html\Attributes;
use ipl\Html\HtmlElement;
use ipl\Html\HtmlString;
use ipl\Html\Text;
use ipl\Html\ValidHtml;
use ipl\Orm\Query;
use ipl\Stdlib\BaseFilter;
use ipl\Stdlib\Filter;
abstract class ObjectsDetailExtensionHook extends BaseExtensionHook
{
use BaseFilter;
/**
* Load all extensions for the given objects
*
* @param string $objectType
* @param Query $query
* @param Filter\Rule $baseFilter
*
* @return array<int, ValidHtml>
*
* @throws InvalidArgumentException If the given object type is not supported
*/
final public static function loadExtensions(string $objectType, Query $query, Filter\Rule $baseFilter): array
{
switch ($objectType) {
case 'host':
$hookName = 'Icingadb\\HostsDetailExtension';
break;
case 'service':
$hookName = 'Icingadb\\ServicesDetailExtension';
break;
default:
throw new InvalidArgumentException(
sprintf('%s is not a supported object type', $objectType)
);
}
$extensions = [];
$lastUsedLocations = [];
/** @var HostsDetailExtensionHook|ServicesDetailExtensionHook $hook */
foreach (Hook::all($hookName) as $hook) {
$location = $hook->getLocation();
if ($location < 0) {
$location = null;
}
if ($location === null) {
$section = $hook->getSection();
if (! isset(self::BASE_LOCATIONS[$section])) {
Logger::error('Detail extension %s is using an invalid section: %s', get_class($hook), $section);
$section = self::DETAIL_SECTION;
}
if (isset($lastUsedLocations[$section])) {
$location = ++$lastUsedLocations[$section];
} else {
$location = self::BASE_LOCATIONS[$section];
$lastUsedLocations[$section] = $location;
}
}
try {
// It may be ValidHtml, but modules shouldn't be able to break our views.
// That's why it needs to be rendered instantly, as any error will then
// be caught here.
$extension = (string) $hook->setBaseFilter($baseFilter)->getHtmlForObjects(clone $query);
$moduleName = $hook->getModule()->getName();
$extensions[$location] = new HtmlElement(
'div',
Attributes::create([
'class' => 'icinga-module module-' . $moduleName,
'data-icinga-module' => $moduleName
]),
HtmlString::create($extension)
);
} catch (Exception $e) {
Logger::error("Failed to load details extension: %s\n%s", $e, $e->getTraceAsString());
$extensions[$location] = Text::create(IcingaException::describe($e));
}
}
return $extensions;
}
}
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