icingaweb2-module-director/library/Director/Settings.php

148 lines
3.3 KiB
PHP

<?php
namespace Icinga\Module\Director;
class Settings
{
protected $connection;
protected $db;
protected $cache;
protected $defaults = array(
'default_global_zone' => 'director-global',
'magic_apply_for' => '_director_apply_for',
'config_format' => 'v2',
'override_services_varname' => '_override_servicevars',
'override_services_templatename' => 'host var overrides (Director)',
'disable_all_jobs' => 'n', // 'y'
'enable_audit_log' => 'n',
// 'experimental_features' => null, // 'allow'
// 'master_zone' => null,
);
public function __construct(Db $connection)
{
$this->connection = $connection;
$this->db = $connection->getDbAdapter();
}
public function get($key, $default = null)
{
if (null === ($value = $this->getStoredValue($key, $default))) {
return $this->getDefaultValue($key);
} else {
return $value;
}
}
public function getStoredValue($key, $default = null)
{
if (null === ($value = $this->getSetting($key))) {
return $default;
} else {
return $value;
}
}
public function getDefaultValue($key)
{
if (array_key_exists($key, $this->defaults)) {
return $this->defaults[$key];
} else {
return null;
}
}
public function set($name, $value)
{
$db = $this->db;
if ($value === null) {
$db->delete(
'director_setting',
$db->quoteInto('setting_name = ?', $name)
);
unset($this->cache[$name]);
return $this;
}
if ($this->getSetting($name) === $value) {
return $this;
}
$updated = $db->update(
'director_setting',
array('setting_value' => $value),
$db->quoteInto('setting_name = ?', $name)
);
if ($updated === 0) {
$db->insert(
'director_setting',
array(
'setting_name' => $name,
'setting_value' => $value,
)
);
}
if ($this->cache !== null) {
$this->cache[$name] = $value;
}
return $this;
}
public function clearCache()
{
$this->cache = null;
return $this;
}
protected function getSetting($name, $default = null)
{
if ($this->cache === null) {
$this->refreshCache();
}
if (array_key_exists($name, $this->cache)) {
return $this->cache[$name];
}
return $default;
}
protected function refreshCache()
{
$db = $this->db;
$query = $db->select()->from(
array('s' => 'director_setting'),
array('setting_name', 'setting_value')
);
$this->cache = (array) $db->fetchPairs($query);
}
public function __get($key)
{
return $this->get($key);
}
public function __set($key, $value)
{
$this->set($key, $value);
}
public function __destruct()
{
$this->clearCache();
unset($this->db);
unset($this->connection);
}
}