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IcingaServiceSetForm: add filter preview

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This commit is contained in:
Thomas Gelf 2016-12-16 13:40:50 +01:00
parent b424f8b495
commit bb9fa23a13
1 changed files with 58 additions and 0 deletions
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58
application/forms/IcingaServiceSetForm.php
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@ -2,6 +2,11 @@
namespace Icinga\Module\Director\Forms;
use Exception;
use Icinga\Application\Benchmark;
use Icinga\Data\Filter\Filter;
use Icinga\Module\Director\Data\Db\IcingaObjectFilterRenderer;
use Icinga\Module\Director\Data\Db\IcingaObjectQuery;
use Icinga\Module\Director\Objects\IcingaHost;
use Icinga\Module\Director\Objects\IcingaServiceSet;
use Icinga\Module\Director\Web\Form\DirectorObjectForm;
@ -133,4 +138,57 @@ class IcingaServiceSetForm extends DirectorObjectForm
return $this;
}
protected function onRequest()
{
parent::onRequest();
Benchmark::measure('Checking preview');
$el = $this->getElement('assign_filter');
if ($el && $el->hasErrors()) {
return;
}
try {
$filter = Filter::fromQueryString( $this->object->get('assign_filter'));
} catch (Exception $e) {
return;
}
if ($filter->isEmpty()) {
return;
}
try {
$q = new IcingaObjectQuery('host', $this->db);
IcingaObjectFilterRenderer::apply($filter, $q);
$match = $q->list();
} catch (Exception $e) {
$this->addError(sprintf('Failed to apply filter: %s', $e->getMessage()));
}
if (empty($match)) {
$this->addHtmlHint($this->translate('Found not a single node where this filter applies'));
} else {
$max = 5;
if (count($match) === 1) {
$this->addHtmlHint(sprintf(
$this->translate('This filter matches exactly one host, %s'),
$match[0]
));
} elseif (count($match) < $max) {
$this->addHtmlHint(sprintf(
$this->translate('This filter matches %d hosts: %s'),
count($match),
implode(', ', $match)
));
} else {
$this->addHtmlHint(sprintf(
$this->translate('This filter matches %d hosts: %s and <a href="#">%d more</a>'),
count($match),
implode(', ', array_slice($match, 0, 5)),
count($match) - $max
));
}
}
Benchmark::measure('Checking preview done');
}
}