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|
<?php
namespace Icinga\Module\Director\Web\Table;
use Icinga\Exception\ProgrammingError;
use Icinga\Module\Director\Objects\IcingaObject;
use Icinga\Module\Director\Resolver\TemplateTree;
use gipfl\IcingaWeb2\Link;
use ipl\Html\Table;
use gipfl\Translation\TranslationHelper;
class TemplateUsageTable extends Table
{
use TranslationHelper;
protected $defaultAttributes = ['class' => 'pivot'];
protected $objectType;
public function getTypes()
{
return [
'templates' => $this->translate('Templates'),
'objects' => $this->translate('Objects'),
];
}
protected function getTypeSummaryDefinitions()
{
return [
'templates' => $this->getSummaryLine('template'),
'objects' => $this->getSummaryLine('object'),
];
}
/**
* @param IcingaObject $template
* @return TemplateUsageTable
*/
public static function forTemplate(IcingaObject $template)
{
$type = ucfirst($template->getShortTableName());
$class = __NAMESPACE__ . "\\${type}TemplateUsageTable";
if (class_exists($class)) {
return new $class($template);
} else {
return new static($template);
}
}
public function getColumnsToBeRendered()
{
return [
'',
$this->translate('Direct'),
$this->translate('Indirect'),
$this->translate('Total')
];
}
protected function __construct(IcingaObject $template)
{
if ($template->get('object_type') !== 'template') {
throw new ProgrammingError(
'TemplateUsageTable expects a template, got %s',
$template->get('object_type')
);
}
$this->objectType = $objectType = $template->getShortTableName();
$types = $this->getTypes();
$usage = $this->getUsageSummary($template);
$used = false;
$rows = [];
foreach ($types as $type => $typeTitle) {
$tr = Table::tr(Table::th($typeTitle));
foreach (['direct', 'indirect', 'total'] as $inheritance) {
$count = $usage->$inheritance->$type;
if (! $used && $count > 0) {
$used = true;
}
$tr->add(
Table::td(
Link::create(
$count,
"director/${objectType}template/$type",
[
'name' => $template->getObjectName(),
'inheritance' => $inheritance
]
)
)
);
}
$rows[] = $tr;
}
if ($used) {
$this->add($rows);
} else {
$this->add($this->translate('This template is not in use'));
}
}
protected function getUsageSummary(IcingaObject $template)
{
$id = $template->getAutoincId();
$connection = $template->getConnection();
$db = $connection->getDbAdapter();
$oType = $this->objectType;
$tree = new TemplateTree($oType, $connection);
$ids = $tree->listDescendantIdsFor($template);
if (empty($ids)) {
$ids = [0];
}
$baseQuery = $db->select()->from(
['o' => 'icinga_' . $oType],
$this->getTypeSummaryDefinitions()
)->joinLeft(
['oi' => "icinga_${oType}_inheritance"],
"oi.${oType}_id = o.id",
[]
);
$query = clone($baseQuery);
$direct = $db->fetchRow(
$query->where("oi.parent_${oType}_id = ?", $id)
);
$query = clone($baseQuery);
$indirect = $db->fetchRow(
$query->where("oi.parent_${oType}_id IN (?)", $ids)
);
//$indirect->templates = count($ids) - 1;
$total = [];
$types = array_keys($this->getTypes());
foreach ($types as $type) {
$total[$type] = $direct->$type + $indirect->$type;
}
return (object) [
'direct' => $direct,
'indirect' => $indirect,
'total' => (object) $total
];
}
protected function getSummaryLine($type, $extra = null)
{
if ($extra !== null) {
$extra = " AND $extra";
}
return "COALESCE(SUM(CASE WHEN o.object_type = '${type}'${extra} THEN 1 ELSE 0 END), 0)";
}
}
|
