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OpenSQLManager/sys/common/settings.php

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<?php
/**
* OpenSQLManager
*
* Free Database manager for Open Source Databases
*
* @author Timothy J. Warren
* @copyright Copyright (c) 2012
* @link https://github.com/aviat4ion/OpenSQLManager
* @license http://philsturgeon.co.uk/code/dbad-license
*/
// --------------------------------------------------------------------------
/**
* Class for manipulating datbase connections, and program settings
*
* Use JSON for compatibility
*/
class Settings {
private $current;
private static $instance;
public static function &get_instance()
{
if( ! isset(self::$instance))
{
$name = __CLASS__;
self::$instance = new $name();
}
return self::$instance;
}
/**
* Load the settings file
*/
protected function __construct()
{
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$path = SETTINGS_DIR.'/settings.json';
if( ! is_file($path))
{
//Create the file!
touch($path);
$this->current = new stdClass();
}
else
{
$this->current = json_decode(file_get_contents($path));
}
// Add the DB object under the settings if it doesn't already exist
if( ! isset($this->current->dbs))
{
$this->current->dbs = new stdClass();
}
}
/**
* Output the settings on destruct
*/
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public function __destruct()
{
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file_put_contents(SETTINGS_DIR . '/settings.json', json_encode($this->current));
}
// --------------------------------------------------------------------------
/**
* Magic method to simplify isset checking for config options
*
* @param string $key
* @return $mixed
*/
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public function __get($key)
{
return (isset($this->current->{$key}) && $key != "dbs")
? $this->current->{$key}
: NULL;
}
// --------------------------------------------------------------------------
/**
* Magic method to simplify setting config options
*
* @param string $key
* @param mixed $val
*/
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public function __set($key, $val)
{
//Don't allow direct db config changes
if($key == "dbs")
{
return FALSE;
}
$this->current->{$key} = $val;
}
// --------------------------------------------------------------------------
/**
* Add a database connection
*
* @param string $name
* @param array $params
*/
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public function add_db($name, $params)
{
if( ! isset($this->current->dbs->{$name}))
{
$this->current->dbs->{$name} = array();
$this->current->dbs->{$name} = $params;
}
else
{
return FALSE;
}
}
// --------------------------------------------------------------------------
/**
* Edit a database connection
*
* @param string $name
* @param array $params
*/
public function edit_db($name, $params)
{
if(isset($this->current->dbs->{$name}))
{
$this->current->dbs->{$name} = $params;
}
else
{
return FALSE;
}
}
// --------------------------------------------------------------------------
/**
* Remove a database connection
*
* @param string $name
*/
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public function remove_db($name)
{
if( ! isset($this->current->dbs->{$name}))
{
return FALSE;
}
// Remove the db name from the object
unset($this->current->dbs->{$name});
}
// --------------------------------------------------------------------------
/**
* Retreive all db connections
*
* @return array
*/
public function get_dbs()
{
return $this->current->dbs;
}
// --------------------------------------------------------------------------
/**
* Retreive a specific database connection
*
* @param string $name
* @return object
*/
public function get_db($name)
{
return (isset($this->current->dbs->{$name})) ? $this->current->dbs->{$name} : FALSE;
}
}
// End of settings.php