icingaweb2/library/Icinga/User/Preferences/PreferencesStore.php

137 lines
3.2 KiB
PHP

<?php
/* Icinga Web 2 | (c) 2013-2015 Icinga Development Team | GPLv2+ */
namespace Icinga\User\Preferences;
use Icinga\Application\Config;
use Icinga\User;
use Icinga\User\Preferences;
use Icinga\Data\ConfigObject;
use Icinga\Data\ResourceFactory;
use Icinga\Exception\ConfigurationError;
use Icinga\Data\Db\DbConnection;
/**
* Preferences store factory
*
* Usage example:
* <code>
* <?php
*
* use Icinga\Data\ConfigObject;
* use Icinga\User\Preferences;
* use Icinga\User\Preferences\PreferencesStore;
*
* // Create a INI store
* $store = PreferencesStore::create(
* new ConfigObject(
* 'store' => 'ini',
* 'config_path' => '/path/to/preferences'
* ),
* $user // Instance of \Icinga\User
* );
*
* $preferences = new Preferences($store->load());
* $preferences->aPreference = 'value';
* $store->save($preferences);
* </code>
*/
abstract class PreferencesStore
{
/**
* Store config
*
* @var ConfigObject
*/
protected $config;
/**
* Given user
*
* @var User
*/
protected $user;
/**
* Create a new store
*
* @param ConfigObject $config The config for this adapter
* @param User $user The user to which these preferences belong
*/
public function __construct(ConfigObject $config, User $user)
{
$this->config = $config;
$this->user = $user;
$this->init();
}
/**
* Getter for the store config
*
* @return ConfigObject
*/
public function getStoreConfig()
{
return $this->config;
}
/**
* Getter for the user
*
* @return User
*/
public function getUser()
{
return $this->user;
}
/**
* Initialize the store
*/
abstract protected function init();
/**
* Load preferences from source
*
* @return array
*/
abstract public function load();
/**
* Save the given preferences
*
* @param Preferences $preferences The preferences to save
*/
abstract public function save(Preferences $preferences);
/**
* Create preferences storage adapter from config
*
* @param ConfigObject $config The config for the adapter
* @param User $user The user to which these preferences belong
*
* @return self
*
* @throws ConfigurationError When the configuration defines an invalid storage type
*/
public static function create(ConfigObject $config, User $user)
{
$type = ucfirst(strtolower($config->get('store', 'ini')));
$storeClass = 'Icinga\\User\\Preferences\\Store\\' . $type . 'Store';
if (!class_exists($storeClass)) {
throw new ConfigurationError(
'Preferences configuration defines an invalid storage type. Storage type %s not found',
$type
);
}
if ($type === 'Ini') {
$config->location = Config::resolvePath('preferences');
} elseif ($type === 'Db') {
$config->connection = new DbConnection(ResourceFactory::getResourceConfig($config->resource));
}
return new $storeClass($config, $user);
}
}