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<?php
// Icinga Web 2 Cube Module | (c) 2016 Icinga GmbH | GPLv2
namespace Icinga\Module\Cube\Ido;
use Icinga\Module\Cube\Cube;
use Icinga\Module\Cube\Dimension;
/**
* CustomVarDimension
*
* This provides dimenstions for custom variables available in the IDO
*
* TODO: create safe aliases for special characters
*
* @package Icinga\Module\Cube\Ido
*/
class CustomVarDimension implements Dimension
{
public const TYPE_HOST = 'host';
public const TYPE_SERVICE = 'service';
/**
* @var string custom variable name
*/
protected $varName;
/**
* @var string custom variable label
*/
protected $varLabel;
/**
* @var bool Whether null values should be shown
*/
protected $wantNull = false;
/** @var string Type of the custom var */
protected $type;
/**
* CustomVarDimension constructor.
*
* @param $varName
* @param string $type Type of the custom var
*/
public function __construct($varName, $type = null)
{
$this->varName = $varName;
$this->type = $type;
}
/**
* Define whether null values should be shown
*
* @param bool $wantNull
* @return $this
*/
public function wantNull($wantNull = true)
{
$this->wantNull = $wantNull;
return $this;
}
/**
* @return string
*/
public function getName()
{
return $this->varName;
}
/**
* @return string
*/
public function getLabel()
{
return $this->varLabel ?: $this->getName();
}
public function setLabel($label)
{
$this->varLabel = $label;
return $this;
}
public function addLabel($label)
{
if ($this->varLabel === null) {
$this->setLabel($label);
} else {
$this->varLabel .= ' & ' . $label;
}
return $this;
}
public function getColumnExpression(Cube $cube)
{
/** @var IdoCube $cube */
if ($this->wantNull) {
return 'COALESCE(' . $cube->db()->quoteIdentifier(['c_' . $this->varName, 'varvalue']) . ", '-')";
} else {
return $cube->db()->quoteIdentifier(['c_' . $this->varName, 'varvalue']);
}
}
protected function safeVarname($name)
{
return $name;
}
public function addToCube(Cube $cube)
{
switch ($this->type) {
case self::TYPE_HOST:
$objectId = 'ho.object_id';
break;
case self::TYPE_SERVICE:
$objectId = 'so.object_id';
break;
default:
$objectId = 'o.object_id';
}
$name = $this->safeVarname($this->varName);
/** @var IdoCube $cube */
$alias = $cube->db()->quoteIdentifier(['c_' . $name]);
if ($cube->isPgsql()) {
$on = "LOWER($alias.varname) = ?";
$name = strtolower($name);
} else {
$on = $alias . '.varname = ? COLLATE latin1_general_ci';
}
$cube->innerQuery()->joinLeft(
array($alias => $cube->tableName('icinga_customvariablestatus')),
$cube->db()->quoteInto($on, $name)
. ' AND ' . $alias . '.object_id = ' . $objectId,
array()
)->group($alias . '.varvalue');
}
}
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