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<?php
namespace Icinga\Module\Director\Data\Db;
use Icinga\Module\Director\Db;
use Icinga\Module\Director\Db\Branch\BranchSupport;
use Icinga\Module\Director\Db\DbSelectParenthesis;
use Icinga\Module\Director\Db\DbUtil;
use Icinga\Module\Director\Objects\IcingaService;
use Icinga\Module\Director\Objects\IcingaServiceSet;
use Icinga\Module\Director\Web\Table\TableWithBranchSupport;
use Ramsey\Uuid\Uuid;
use Ramsey\Uuid\UuidInterface;
class ServiceSetQueryBuilder
{
use TableWithBranchSupport;
const TABLE = BranchSupport::TABLE_ICINGA_SERVICE;
const BRANCHED_TABLE = BranchSupport::BRANCHED_TABLE_ICINGA_SERVICE;
const SET_TABLE = BranchSupport::TABLE_ICINGA_SERVICE_SET;
const BRANCHED_SET_TABLE = BranchSupport::BRANCHED_TABLE_ICINGA_SERVICE_SET;
/** @var Db */
protected $connection;
/** @var \Zend_Db_Adapter_Abstract */
protected $db;
/**
* @param ?UuidInterface $uuid
*/
public function __construct(Db $connection, $uuid = null)
{
$this->connection = $connection;
$this->db = $connection->getDbAdapter();
if ($uuid) {
$this->setBranchUuid($uuid);
}
}
/**
* @return \Zend_Db_Select
* @throws \Zend_Db_Select_Exception
*/
public function selectServicesForSet(IcingaServiceSet $set)
{
$db = $this->connection->getDbAdapter();
if ($this->branchUuid) {
$right = $this->selectRightBranchedServices($set)->columns($this->getRightBranchedColumns());
$left = $this->selectLeftBranchedServices($set)->columns($this->getLeftBranchedColumns());
$query = $this->db->select()->from(['u' => $db->select()->union([
'l' => new DbSelectParenthesis($left),
'r' => new DbSelectParenthesis($right),
])]);
$query->order('service_set');
} else {
$query = $this->selectServices($set)->columns($this->getColumns());
}
return $query;
}
protected function selectServices(IcingaServiceSet $set)
{
return $this->db
->select()
->from(['o' =>self::TABLE], [])
->joinLeft(['os' => self::SET_TABLE], 'os.id = o.service_set_id', [])
->where('os.uuid = ?', $this->connection->quoteBinary($set->getUniqueId()->getBytes()));
}
protected function selectLeftBranchedServices(IcingaServiceSet $set)
{
return $this
->selectServices($set)
->joinLeft(
['bo' => self::BRANCHED_TABLE],
$this->db->quoteInto('bo.uuid = o.uuid AND bo.branch_uuid = ?', $this->getQuotedBranchUuid()),
[]
);
}
protected function selectRightBranchedServices(IcingaServiceSet $set)
{
return $this->db
->select()
->from(['o' => self::TABLE], [])
->joinRight(['bo' => self::BRANCHED_TABLE], 'bo.uuid = o.uuid', [])
->where('bo.service_set = ?', $set->get('object_name'))
->where('bo.branch_uuid = ?', $this->getQuotedBranchUuid());
}
protected static function resetQueryProperties(\Zend_Db_Select $query)
{
// TODO: Keep existing UUID, becomes important when using this for other tables too (w/o UNION)
// $columns = $query->getPart($query::COLUMNS);
$query->reset($query::COLUMNS);
$query->columns('uuid');
return $query;
}
public function fetchServicesWithQuery(\Zend_Db_Select $query)
{
static::resetQueryProperties($query);
$db = $this->connection->getDbAdapter();
$uuids = $db->fetchCol($query);
$services = [];
foreach ($uuids as $uuid) {
$service = IcingaService::loadWithUniqueId(Uuid::fromBytes(DbUtil::binaryResult($uuid)), $this->connection);
$service->set('service_set', null); // TODO: CHECK THIS!!!!
$services[$service->getObjectName()] = $service;
}
return $services;
}
protected function getColumns()
{
return [
'uuid' => 'o.uuid', // MUST be first because of UNION column order, see branchifyColumns()
'id' => 'o.id',
'branch_uuid' => '(null)',
'service_set' => 'os.object_name',
'service' => 'o.object_name',
'disabled' => 'o.disabled',
'object_type' => 'o.object_type',
'blacklisted' => "('n')",
];
}
protected function getLeftBranchedColumns()
{
$columns = $this->getColumns();
$columns['branch_uuid'] = 'bo.branch_uuid';
$columns['service_set'] = 'COALESCE(os.object_name, bo.service_set)';
return $this->branchifyColumns($columns);
}
protected function getRightBranchedColumns()
{
$columns = $this->getColumns();
$columns = $this->branchifyColumns($columns);
$columns['branch_uuid'] = 'bo.branch_uuid';
$columns['service_set'] = 'bo.service_set';
$columns['id'] = '(NULL)';
return $columns;
}
protected function getQuotedBranchUuid()
{
return $this->connection->quoteBinary($this->branchUuid->getBytes());
}
}
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