TrackManiaControl/application/core/Settings/SettingManager.php

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<?php
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namespace ManiaControl;
/**
* Class managing settings and configurations
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*
* @author steeffeen & kremsy
*/
class SettingManager {
/**
* Constants
*/
const TABLE_SETTINGS = 'mc_settings';
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const TYPE_STRING = 'string';
const TYPE_INT = 'int';
const TYPE_REAL = 'real';
const TYPE_BOOL = 'bool';
const TYPE_ARRAY = 'array';
/**
* Private properties
*/
private $maniaControl = null;
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private $arrayDelimiter = ';;';
/**
* Construct setting manager
*
* @param ManiaControl $maniaControl
*/
public function __construct(ManiaControl $maniaControl) {
$this->maniaControl = $maniaControl;
$this->initTables();
}
/**
* Initialize necessary database tables
*
* @return bool
*/
private function initTables() {
$mysqli = $this->maniaControl->database->mysqli;
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$defaultType = "'" . self::TYPE_STRING . "'";
$typeSet = $defaultType;
$typeSet .= ",'" . self::TYPE_INT . "'";
$typeSet .= ",'" . self::TYPE_REAL . "'";
$typeSet .= ",'" . self::TYPE_BOOL . "'";
$typeSet .= ",'" . self::TYPE_ARRAY . "'";
$settingTableQuery = "CREATE TABLE IF NOT EXISTS `" . self::TABLE_SETTINGS . "` (
`index` int(11) NOT NULL AUTO_INCREMENT,
`class` varchar(50) COLLATE utf8_unicode_ci NOT NULL,
`setting` varchar(50) COLLATE utf8_unicode_ci NOT NULL,
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`type` set({$typeSet}) COLLATE utf8_unicode_ci NOT NULL DEFAULT {$defaultType},
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`value` varchar(100) COLLATE utf8_unicode_ci NOT NULL,
`default` varchar(100) COLLATE utf8_unicode_ci NOT NULL,
`changed` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
PRIMARY KEY (`index`),
UNIQUE KEY `settingId` (`class`,`setting`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci COMMENT='Settings and Configurations' AUTO_INCREMENT=1;";
$settingTableStatement = $mysqli->prepare($settingTableQuery);
if ($mysqli->error) {
trigger_error($mysqli->error, E_USER_ERROR);
return false;
}
$settingTableStatement->execute();
if ($settingTableStatement->error) {
trigger_error($settingTableStatement->error, E_USER_ERROR);
return false;
}
$settingTableStatement->close();
return true;
}
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/**
* Get class name from param
*
* @param mixed $object
* @return string
*/
private function getClassName($object) {
if (is_object($object)) {
return get_class($object);
}
if (is_string($object)) {
return $object;
}
trigger_error('Invalid class param. ' . $object);
return (string) $object;
}
/**
* Get type for given parameter
*
* @param mixed $param
* @return string
*/
private function getType($param) {
if (is_int($param)) {
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return self::TYPE_INT;
}
if (is_real($param)) {
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return self::TYPE_REAL;
}
if (is_bool($param)) {
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return self::TYPE_BOOL;
}
if (is_string($param)) {
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return self::TYPE_STRING;
}
if (is_array($param)) {
return self::TYPE_ARRAY;
}
trigger_error('Unsupported setting type. ' . print_r($param, true));
return null;
}
/**
* Cast a setting to the given type
*
* @param string $type
* @param mixed $value
* @return mixed
*/
private function castSetting($type, $value) {
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if ($type === self::TYPE_INT) {
return (int) $value;
}
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if ($type === self::TYPE_REAL) {
return (float) $value;
}
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if ($type === self::TYPE_BOOL) {
return (bool) $value;
}
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if ($type === self::TYPE_STRING) {
return (string) $value;
}
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if ($type === self::TYPE_ARRAY) {
return explode($this->arrayDelimiter, $value);
}
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trigger_error('Unsupported setting type. ' . print_r($type, true));
return $value;
}
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/**
* Format a setting for saving it to the database
*
* @param mixed $value
* @param string $type
* @return mixed
*/
private function formatSetting($value, $type = null) {
if ($type === null) {
$type = $this->getType($value);
}
if ($type === self::TYPE_ARRAY) {
return implode($this->arrayDelimiter, $value);
}
if ($type === self::TYPE_BOOL) {
return ($value ? 1 : 0);
}
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return $value;
}
/**
* Initialize a setting for given object
*
* @param object $object
* @param string $settingName
* @param mixed $default
* @return bool
*/
public function initSetting($object, $settingName, $default) {
if ($default === null || is_object($default)) {
return false;
}
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$className = $this->getClassName($object);
$type = $this->getType($default);
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$default = $this->formatSetting($default, $type);
$mysqli = $this->maniaControl->database->mysqli;
$settingQuery = "INSERT INTO `" . self::TABLE_SETTINGS . "` (
`class`,
`setting`,
`type`,
`value`,
`default`
) VALUES (
?, ?, ?,
@value := ?,
@value
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) ON DUPLICATE KEY UPDATE
`type` = VALUES(`type`),
`value` = IF(`default` = VALUES(`default`), `value`, VALUES(`default`)),
`default` = VALUES(`default`);";
$settingStatement = $mysqli->prepare($settingQuery);
if ($mysqli->error) {
trigger_error($mysqli->error);
return false;
}
$settingStatement->bind_param('ssss', $className, $settingName, $type, $default);
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$success = $settingStatement->execute();
if ($settingStatement->error) {
trigger_error($settingStatement->error);
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$settingStatement->close();
return false;
}
$settingStatement->close();
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return $success;
}
/**
* Get setting by name for given object
*
* @param object $object
* @param string $settingName
* @param mixed $default
* @return mixed
*/
public function getSetting($object, $settingName, $default = null) {
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$className = $this->getClassName($object);
$mysqli = $this->maniaControl->database->mysqli;
$settingQuery = "SELECT `type`, `value` FROM `" . self::TABLE_SETTINGS . "`
WHERE `class` = ?
AND `setting` = ?;";
$settingStatement = $mysqli->prepare($settingQuery);
if ($mysqli->error) {
trigger_error($mysqli->error);
return null;
}
$settingStatement->bind_param('ss', $className, $settingName);
$settingStatement->execute();
if ($settingStatement->error) {
trigger_error($settingStatement->error);
return null;
}
$settingStatement->store_result();
if ($settingStatement->num_rows <= 0) {
$this->initSetting($object, $settingName, $default);
return $default;
}
$settingStatement->bind_result($type, $value);
$settingStatement->fetch();
$settingStatement->free_result();
$settingStatement->close();
$setting = $this->castSetting($type, $value);
return $setting;
}
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/**
* Set a setting for the given object
*
* @param object $object
* @param string $settingName
* @param mixed $value
* @return bool
*/
public function setSetting($object, $settingName, $value) {
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$className = $this->getClassName($object);
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$mysqli = $this->maniaControl->database->mysqli;
$settingQuery = "UPDATE `" . self::TABLE_SETTINGS . "`
SET `value` = ?
WHERE `class` = ?
AND `setting` = ?;";
$settingStatement = $mysqli->prepare($settingQuery);
if ($mysqli->error) {
trigger_error($mysqli->error);
return false;
}
$value = $this->formatSetting($value);
$settingStatement->bind_param('sss', $value, $className, $settingName);
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$success = $settingStatement->execute();
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if ($settingStatement->error) {
trigger_error($settingStatement->error);
$settingStatement->close();
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return false;
}
$settingStatement->close();
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return $success;
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}
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/**
* Reset a setting to its default value
*
* @param object $object
* @param string $settingName
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* @return bool
*/
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public function resetSetting($object, $settingName) {
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$className = $this->getClassName($object);
$mysqli = $this->maniaControl->database->mysqli;
$settingQuery = "UPDATE `" . self::TABLE_SETTINGS . "`
SET `value` = `default`
WHERE `class` = ?
AND `setting` = ?;";
$settingStatement = $mysqli->prepare($settingQuery);
if ($mysqli->error) {
trigger_error($mysqli->error);
return false;
}
$settingStatement->bind_param('ss', $className, $settingName);
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$success = $settingStatement->execute();
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if ($settingStatement->error) {
trigger_error($settingStatement->error);
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$settingStatement->close();
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return false;
}
$settingStatement->close();
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return $success;
}
/**
* Delete a setting from the database
*
* @param object $object
* @param string $settingName
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* @return bool
*/
public function deleteSetting($object, $settingName) {
$className = $this->getClassName($object);
$mysqli = $this->maniaControl->database->mysqli;
$settingQuery = "DELETE FROM `" . self::TABLE_SETTINGS . "`
WHERE `class` = ?
AND `setting` = ?;";
$settingStatement = $mysqli->prepare($settingQuery);
if ($mysqli->error) {
trigger_error($mysqli->error);
return false;
}
$settingStatement->bind_param('ss', $className, $settingName);
$success = $settingStatement->execute();
if ($settingStatement->error) {
trigger_error($settingStatement->error);
$settingStatement->close();
return false;
}
$settingStatement->close();
return $success;
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}
/**
* Get all settings
*
* @return array
*/
public function getSettings() {
$mysqli = $this->maniaControl->database->mysqli;
$query = "SELECT * FROM `" . self::TABLE_SETTINGS . "`
ORDER BY `class` ASC, `setting` ASC;";
$result = $mysqli->query($query);
if ($mysqli->error) {
trigger_error($mysqli->error);
return null;
}
$settings = array();
while ($setting = $result->fetch_object()) {
array_push($settings, $setting);
}
$result->free();
return $settings;
}
}