460 lines
12 KiB
PHP
460 lines
12 KiB
PHP
<?php
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namespace ManiaControl\Settings;
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use ManiaControl\Callbacks\CallbackListener;
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use ManiaControl\Callbacks\CallbackManager;
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use ManiaControl\ManiaControl;
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/**
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* Class managing Settings and Configurations
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*
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* @author steeffeen & kremsy
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* @copyright ManiaControl Copyright © 2014 ManiaControl Team
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* @license http://www.gnu.org/licenses/ GNU General Public License, Version 3
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*/
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class SettingManager implements CallbackListener {
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/*
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* Constants
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*/
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const TABLE_SETTINGS = 'mc_settings';
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const TYPE_STRING = 'string';
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const TYPE_INT = 'int';
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const TYPE_REAL = 'real';
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const TYPE_BOOL = 'bool';
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const TYPE_ARRAY = 'array';
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const CB_SETTINGS_CHANGED = 'SettingManager.SettingsChanged';
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/*
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* Private Properties
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*/
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private $maniaControl = null;
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private $arrayDelimiter = ';;';
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private $storedSettings = array();
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/**
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* Construct a new Setting Manager
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*
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* @param ManiaControl $maniaControl
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*/
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public function __construct(ManiaControl $maniaControl) {
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$this->maniaControl = $maniaControl;
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$this->initTables();
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$this->maniaControl->callbackManager->registerCallbackListener(CallbackManager::CB_AFTERINIT, $this, 'handleAfterInit');
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}
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/**
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* Handle After Init Callback
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*/
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public function handleAfterInit() {
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$this->deleteUnusedSettings();
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}
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/**
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* Initialize necessary Database Tables
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*
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* @return bool
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*/
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private function initTables() {
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$mysqli = $this->maniaControl->database->mysqli;
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$defaultType = "'" . self::TYPE_STRING . "'";
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$typeSet = $defaultType . ",'" . self::TYPE_INT . "','" . self::TYPE_REAL . "','" . self::TYPE_BOOL . "','" . self::TYPE_ARRAY . "'";
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$settingTableQuery = "CREATE TABLE IF NOT EXISTS `" . self::TABLE_SETTINGS . "` (
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`index` int(11) NOT NULL AUTO_INCREMENT,
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`class` varchar(100) NOT NULL,
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`setting` varchar(150) NOT NULL,
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`type` set({$typeSet}) NOT NULL DEFAULT {$defaultType},
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`value` varchar(100) NOT NULL,
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`default` varchar(100) NOT NULL,
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`changed` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
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PRIMARY KEY (`index`),
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UNIQUE KEY `settingId` (`class`,`setting`)
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) ENGINE=MyISAM DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci COMMENT='Settings and Configurations' AUTO_INCREMENT=1;";
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$result = $mysqli->query($settingTableQuery);
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if ($mysqli->error) {
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trigger_error($mysqli->error, E_USER_ERROR);
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}
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return $result;
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}
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/**
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* Get Class Name of a Parameter
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*
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* @param mixed $param
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* @return string
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*/
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private function getClassName($param) {
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if (is_object($param)) {
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return get_class($param);
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}
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if (is_string($param)) {
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return $param;
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}
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trigger_error('Invalid class param. ' . $param);
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return (string)$param;
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}
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/**
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* Get Type of a Parameter
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*
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* @param mixed $param
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* @return string
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*/
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private function getType($param) {
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if (is_int($param)) {
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return self::TYPE_INT;
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}
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if (is_real($param)) {
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return self::TYPE_REAL;
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}
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if (is_bool($param)) {
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return self::TYPE_BOOL;
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}
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if (is_string($param)) {
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return self::TYPE_STRING;
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}
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if (is_array($param)) {
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return self::TYPE_ARRAY;
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}
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trigger_error('Unsupported setting type. ' . print_r($param, true));
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return null;
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}
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/**
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* Cast a Setting to the given Type
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*
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* @param string $type
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* @param mixed $value
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* @return mixed
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*/
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private function castSetting($type, $value) {
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if ($type === self::TYPE_INT) {
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return (int)$value;
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}
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if ($type === self::TYPE_REAL) {
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return (float)$value;
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}
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if ($type === self::TYPE_BOOL) {
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return (bool)$value;
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}
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if ($type === self::TYPE_STRING) {
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return (string)$value;
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}
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if ($type === self::TYPE_ARRAY) {
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return explode($this->arrayDelimiter, $value);
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}
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trigger_error('Unsupported setting type. ' . print_r($type, true));
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return $value;
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}
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/**
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* Format a Setting for saving it to the Database
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*
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* @param mixed $value
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* @param string $type
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* @return mixed
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*/
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private function formatSetting($value, $type = null) {
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if ($type === null) {
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$type = $this->getType($value);
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}
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if ($type === self::TYPE_ARRAY) {
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return implode($this->arrayDelimiter, $value);
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}
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if ($type === self::TYPE_BOOL) {
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return ($value ? 1 : 0);
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}
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return $value;
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}
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/**
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* Initialize a Setting for the given Object
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*
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* @param mixed $object
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* @param string $settingName
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* @param mixed $default
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* @return bool
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*/
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public function initSetting($object, $settingName, $default) {
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if ($default === null || is_object($default)) {
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return false;
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}
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$className = $this->getClassName($object);
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$type = $this->getType($default);
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$default = $this->formatSetting($default, $type);
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$mysqli = $this->maniaControl->database->mysqli;
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$settingQuery = "INSERT INTO `" . self::TABLE_SETTINGS . "` (
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`class`,
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`setting`,
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`type`,
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`value`,
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`default`
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) VALUES (
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?, ?, ?,
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@value := ?,
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@value
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) ON DUPLICATE KEY UPDATE
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`type` = VALUES(`type`),
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`value` = IF(`default` = VALUES(`default`), `value`, VALUES(`default`)),
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`default` = VALUES(`default`),
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`changed` = NOW();";
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$settingStatement = $mysqli->prepare($settingQuery);
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if ($mysqli->error) {
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trigger_error($mysqli->error);
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return false;
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}
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$settingStatement->bind_param('ssss', $className, $settingName, $type, $default);
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$success = $settingStatement->execute();
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if ($settingStatement->error) {
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trigger_error($settingStatement->error);
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$settingStatement->close();
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return false;
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}
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$settingStatement->close();
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return $success;
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}
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/**
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* Get a Setting by its Index
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*
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* @param int $settingIndex
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* @param mixed $default
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* @return mixed
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*/
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public function getSettingByIndex($settingIndex, $default = false) {
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$mysqli = $this->maniaControl->database->mysqli;
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$settingQuery = "SELECT * FROM `" . self::TABLE_SETTINGS . "`
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WHERE `index` = {$settingIndex};";
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$result = $mysqli->query($settingQuery);
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if (!$result) {
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trigger_error($mysqli->error);
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return null;
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}
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if ($result->num_rows <= 0) {
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$result->close();
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return $default;
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}
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$row = $result->fetch_object();
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$result->close();
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return $row;
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}
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/**
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* Get Setting by Name for the given Object
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*
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* @param mixed $object
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* @param string $settingName
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* @param mixed $default
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* @return mixed
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*/
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public function getSetting($object, $settingName, $default = null) {
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$className = $this->getClassName($object);
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//Check if setting is already in the ram
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if (isset($this->storedSettings[$className . $settingName])) {
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return $this->storedSettings[$className . $settingName];
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}
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$mysqli = $this->maniaControl->database->mysqli;
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$settingQuery = "SELECT `type`, `value` FROM `" . self::TABLE_SETTINGS . "`
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WHERE `class` = ?
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AND `setting` = ?;";
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$settingStatement = $mysqli->prepare($settingQuery);
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if ($mysqli->error) {
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trigger_error($mysqli->error);
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return null;
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}
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$settingStatement->bind_param('ss', $className, $settingName);
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$settingStatement->execute();
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if ($settingStatement->error) {
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trigger_error($settingStatement->error);
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return null;
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}
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$settingStatement->store_result();
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if ($settingStatement->num_rows <= 0) {
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$this->setSetting($className, $settingName, $default);
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return $default;
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}
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$settingStatement->bind_result($type, $value);
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$settingStatement->fetch();
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$settingStatement->free_result();
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$settingStatement->close();
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$setting = $this->castSetting($type, $value);
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//Store setting in the ram
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$this->storedSettings[$className . $settingName] = $setting;
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return $setting;
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}
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/**
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* Set a Setting for the given Object
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*
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* @param mixed $object
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* @param string $settingName
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* @param mixed $value
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* @return bool
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*/
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public function setSetting($object, $settingName, $value) {
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$className = $this->getClassName($object);
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$mysqli = $this->maniaControl->database->mysqli;
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$settingQuery = "UPDATE `" . self::TABLE_SETTINGS . "`
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SET `value` = ?
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WHERE `class` = ?
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AND `setting` = ?;";
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$settingStatement = $mysqli->prepare($settingQuery);
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if ($mysqli->error) {
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trigger_error($mysqli->error);
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return false;
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}
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$value = $this->formatSetting($value);
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$settingStatement->bind_param('sss', $value, $className, $settingName);
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$success = $settingStatement->execute();
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if ($settingStatement->error) {
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trigger_error($settingStatement->error);
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$settingStatement->close();
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return false;
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}
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$settingStatement->close();
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//FIXME store changed value
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if (isset($this->storedSettings[$className . $settingName])) {
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unset($this->storedSettings[$className . $settingName]);
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}
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//Trigger settings changed Callback
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$this->maniaControl->callbackManager->triggerCallback(self::CB_SETTINGS_CHANGED, $className, $settingName, $value);
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return $success;
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}
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/**
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* Reset a Setting to its default Value
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*
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* @param mixed $object
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* @param string $settingName
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* @return bool
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*/
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public function resetSetting($object, $settingName) {
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$className = $this->getClassName($object);
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$mysqli = $this->maniaControl->database->mysqli;
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$settingQuery = "UPDATE `" . self::TABLE_SETTINGS . "`
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SET `value` = `default`
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WHERE `class` = ?
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AND `setting` = ?;";
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$settingStatement = $mysqli->prepare($settingQuery);
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if ($mysqli->error) {
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trigger_error($mysqli->error);
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return false;
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}
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$settingStatement->bind_param('ss', $className, $settingName);
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$success = $settingStatement->execute();
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if ($settingStatement->error) {
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trigger_error($settingStatement->error);
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$settingStatement->close();
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return false;
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}
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$settingStatement->close();
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return $success;
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}
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/**
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* Delete a Setting
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*
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* @param mixed $object
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* @param string $settingName
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* @return bool
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*/
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public function deleteSetting($object, $settingName) {
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$className = $this->getClassName($object);
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$mysqli = $this->maniaControl->database->mysqli;
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$settingQuery = "DELETE FROM `" . self::TABLE_SETTINGS . "`
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WHERE `class` = ?
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AND `setting` = ?;";
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$settingStatement = $mysqli->prepare($settingQuery);
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if ($mysqli->error) {
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trigger_error($mysqli->error);
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return false;
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}
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$settingStatement->bind_param('ss', $className, $settingName);
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$success = $settingStatement->execute();
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if ($settingStatement->error) {
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trigger_error($settingStatement->error);
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$settingStatement->close();
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return false;
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}
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$settingStatement->close();
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return $success;
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}
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/**
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* Get all Settings for the given Class
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*
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* @param mixed $object
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* @return array
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*/
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public function getSettingsByClass($object) {
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$className = $this->getClassName($object);
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$mysqli = $this->maniaControl->database->mysqli;
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$query = "SELECT * FROM `" . self::TABLE_SETTINGS . "` WHERE `class`= '" . $mysqli->escape_string($className) . "'
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ORDER BY `setting` ASC;";
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$result = $mysqli->query($query);
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if ($mysqli->error) {
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trigger_error($mysqli->error);
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return null;
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}
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$settings = array();
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while($setting = $result->fetch_object()) {
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$settings[$setting->index] = $setting;
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}
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$result->free();
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return $settings;
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}
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/**
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* Get all settings
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*
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* @return array
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*/
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public function getSettings() {
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$mysqli = $this->maniaControl->database->mysqli;
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$query = "SELECT * FROM `" . self::TABLE_SETTINGS . "`
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ORDER BY `class` ASC, `setting` ASC;";
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$result = $mysqli->query($query);
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if ($mysqli->error) {
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trigger_error($mysqli->error);
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return null;
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}
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$settings = array();
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while($setting = $result->fetch_object()) {
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$settings[$setting->index] = $setting;
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}
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$result->free();
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return $settings;
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}
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/**
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* Delete all unused Settings that haven't been initialized during the current Startup
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*
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* @return bool
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*/
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private function deleteUnusedSettings() {
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$mysqli = $this->maniaControl->database->mysqli;
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$settingQuery = "DELETE FROM `" . self::TABLE_SETTINGS . "`
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WHERE `changed` < NOW() - INTERVAL 1 HOUR;";
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$settingStatement = $mysqli->prepare($settingQuery);
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if ($mysqli->error) {
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trigger_error($mysqli->error);
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return false;
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}
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$success = $settingStatement->execute();
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if ($settingStatement->error) {
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trigger_error($settingStatement->error);
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$settingStatement->close();
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return false;
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}
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$settingStatement->close();
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return $success;
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}
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}
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