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<?php
namespace Shaarli\Updater;
use Shaarli\Config\ConfigManager;
use Shaarli\Bookmark\BookmarkServiceInterface;
use Shaarli\Updater\Exception\UpdaterException;
/**
* Class Updater.
* Used to update stuff when a new Shaarli's version is reached.
* Update methods are ran only once, and the stored in a TXT file.
*/
class Updater
{
/**
* @var array Updates which are already done.
*/
protected $doneUpdates;
/**
* @var BookmarkServiceInterface instance.
*/
protected $linkServices;
/**
* @var ConfigManager $conf Configuration Manager instance.
*/
protected $conf;
/**
* @var bool True if the user is logged in, false otherwise.
*/
protected $isLoggedIn;
/**
* @var \ReflectionMethod[] List of current class methods.
*/
protected $methods;
/**
* Object constructor.
*
* @param array $doneUpdates Updates which are already done.
* @param BookmarkServiceInterface $linkDB LinksService instance.
* @param ConfigManager $conf Configuration Manager instance.
* @param boolean $isLoggedIn True if the user is logged in.
*/
public function __construct($doneUpdates, $linkDB, $conf, $isLoggedIn)
{
$this->doneUpdates = $doneUpdates;
$this->linkServices = $linkDB;
$this->conf = $conf;
$this->isLoggedIn = $isLoggedIn;
// Retrieve all update methods.
$class = new \ReflectionClass($this);
$this->methods = $class->getMethods();
}
/**
* Run all new updates.
* Update methods have to start with 'updateMethod' and return true (on success).
*
* @return array An array containing ran updates.
*
* @throws UpdaterException If something went wrong.
*/
public function update()
{
$updatesRan = array();
// If the user isn't logged in, exit without updating.
if ($this->isLoggedIn !== true) {
return $updatesRan;
}
if ($this->methods === null) {
throw new UpdaterException('Couldn\'t retrieve LegacyUpdater class methods.');
}
foreach ($this->methods as $method) {
// Not an update method or already done, pass.
if (! startsWith($method->getName(), 'updateMethod')
|| in_array($method->getName(), $this->doneUpdates)
) {
continue;
}
try {
$method->setAccessible(true);
$res = $method->invoke($this);
// Update method must return true to be considered processed.
if ($res === true) {
$updatesRan[] = $method->getName();
}
} catch (\Exception $e) {
throw new UpdaterException($method, $e);
}
}
$this->doneUpdates = array_merge($this->doneUpdates, $updatesRan);
return $updatesRan;
}
/**
* @return array Updates methods already processed.
*/
public function getDoneUpdates()
{
return $this->doneUpdates;
}
}
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