Add storage backend manager class

This commit is contained in:
fabrixxm 2018-11-29 09:27:04 +01:00 committed by Hypolite Petovan
parent e5c2d4e2f8
commit 6a0ed7c298
2 changed files with 104 additions and 1 deletions

102
src/Core/StorageManager.php Normal file
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@ -0,0 +1,102 @@
<?php
namespace Friendica\Core;
use Friendica\Core\Config;
/**
* @brief Manage storage backends
*
* Core code uses this class to get and set current storage backend class.
* Addons use this class to register and unregister additional backends.
*/
class StorageManager
{
private static $default_storages = [
'Filesystem' => \Friendica\Model\Storage\Filesystem::class,
'Database' => \Friendica\Model\Storage\Database::class,
];
private static $storages = [];
private static function setup()
{
if (count(self::$storages)==0) {
self::$storage = Config::get('storage', 'backends', self::$default_storages);
}
}
/**
* @brief Return current storage backend class
* @return string
*/
public static function getBackend()
{
return Config::get('storage', 'class', '');
}
/**
* @brief Return storage backend class by registered name
*
* @param string $name Backend name
* @return string Empty if no backend registered at $name exists
*/
public static function getByName($name)
{
self::setup();
return defaults(self::$storages, $name, '');
}
/**
* @brief Set current storage backend class
*
* @param string $class Backend class name
*/
public static function setBackend($class)
{
/// @todo Check that $class implements IStorage
Config::set('storage', 'class', $class);
}
/**
* @brief Get registered backends
*
* @return array
*/
public static function listBackends()
{
self::setup();
return self::$backends;
}
/**
* @brief Register a storage backend class
*
* @param string $name User readable backend name
* @param string $class Backend class name
*/
public static function register($name, $class)
{
/// @todo Check that $class implements IStorage
self::setup();
self::$storages[$name] = $class;
Config::set('storage', 'backends', self::$storages);
}
/**
* @brief Unregister a storage backend class
*
* @param string $name User readable backend name
*/
public static function unregister($class)
{
self::setup();
unset(self::$storages[$name]);
Config::set('storage', 'backends', self::$storages);
}
}

View file

@ -11,6 +11,7 @@ use Friendica\Core\Cache;
use Friendica\Core\Config;
use Friendica\Core\L10n;
use Friendica\Core\System;
use Friendica\Core\StorageManager;
use Friendica\Database\DBA;
use Friendica\Database\DBStructure;
use Friendica\Object\Image;
@ -263,7 +264,7 @@ class Photo extends BaseObject
$backend_ref = (string)$existing_photo["backend-ref"];
$backend_class = (string)$existing_photo["backend-class"];
} else {
$backend_class = Config::get("storage", "class", "");
$backend_class = StorageManager::getBackend();
}
if ($backend_class === "") {
$data = $Image->asString();