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<?php
namespace Icinga\Module\Director\Data\Db;
use Icinga\Module\Director\Db;
abstract class DbObjectWithSettings extends DbObject
{
/** @var Db $connection */
protected $connection;
protected $settingsTable = 'your_table_name';
protected $settingsRemoteId = 'column_pointing_to_main_table_id';
protected $settings = [];
public function set($key, $value)
{
if ($this->hasProperty($key)) {
return parent::set($key, $value);
} elseif ($this->hasSetterForProperty($key)) { // Hint: hasProperty checks only for Getters
return parent::set($key, $value);
}
if (! \array_key_exists($key, $this->settings) || $value !== $this->settings[$key]) {
$this->hasBeenModified = true;
}
$this->settings[$key] = $value;
return $this;
}
public function get($key)
{
if ($this->hasProperty($key)) {
return parent::get($key);
}
if (array_key_exists($key, $this->settings)) {
return $this->settings[$key];
}
return parent::get($key);
}
public function setSettings($settings)
{
$settings = (array) $settings;
ksort($settings);
if ($settings !== $this->settings) {
$this->settings = $settings;
$this->hasBeenModified = true;
}
return $this;
}
public function getSettings()
{
// Sort them, important only for new objects
ksort($this->settings);
return $this->settings;
}
public function getSetting($name, $default = null)
{
if (array_key_exists($name, $this->settings)) {
return $this->settings[$name];
}
return $default;
}
public function getStoredSetting($name, $default = null)
{
$stored = $this->fetchSettingsFromDb();
if (array_key_exists($name, $stored)) {
return $stored[$name];
}
return $default;
}
public function __unset($key)
{
if ($this->hasProperty($key)) {
parent::__unset($key);
}
if (array_key_exists($key, $this->settings)) {
unset($this->settings[$key]);
$this->hasBeenModified = true;
}
}
protected function onStore()
{
$old = $this->fetchSettingsFromDb();
$oldKeys = array_keys($old);
$newKeys = array_keys($this->settings);
$add = [];
$mod = [];
$del = [];
$id = $this->get('id');
foreach ($this->settings as $key => $val) {
if (array_key_exists($key, $old)) {
if ($old[$key] !== $this->settings[$key]) {
$mod[$key] = $this->settings[$key];
}
} else {
$add[$key] = $this->settings[$key];
}
}
foreach (array_diff($oldKeys, $newKeys) as $key) {
$del[] = $key;
}
$where = sprintf($this->settingsRemoteId . ' = %d AND setting_name = ?', $id);
$db = $this->getDb();
foreach ($mod as $key => $val) {
$db->update(
$this->settingsTable,
['setting_value' => $val],
$db->quoteInto($where, $key)
);
}
foreach ($add as $key => $val) {
$db->insert(
$this->settingsTable,
[
$this->settingsRemoteId => $id,
'setting_name' => $key,
'setting_value' => $val
]
);
}
if (! empty($del)) {
$where = sprintf($this->settingsRemoteId . ' = %d AND setting_name IN (?)', $id);
$db->delete($this->settingsTable, $db->quoteInto($where, $del));
}
}
protected function fetchSettingsFromDb()
{
$db = $this->getDb();
$id = $this->get('id');
if (! $id) {
return [];
}
return $db->fetchPairs(
$db->select()
->from($this->settingsTable, ['setting_name', 'setting_value'])
->where($this->settingsRemoteId . ' = ?', $id)
->order('setting_name')
);
}
protected function onLoadFromDb()
{
$this->settings = $this->fetchSettingsFromDb();
}
}
|
