namespace Friendica\Core;
use Friendica\Database\DBA;
-use Friendica\Core\Config;
-
+use Friendica\Model\Storage\IStorage;
/**
class StorageManager
{
private static $default_backends = [
- 'Filesystem' => Friendica\Model\Storage\Filesystem::class,
- 'Database' => Friendica\Model\Storage\Database::class,
+ 'Filesystem' => \Friendica\Model\Storage\Filesystem::class,
+ 'Database' => \Friendica\Model\Storage\Database::class,
];
private static $backends = [];
/**
* @brief Return current storage backend class
* @return string
+ * @throws \Friendica\Network\HTTPException\InternalServerErrorException
*/
public static function getBackend()
{
/**
* @brief Set current storage backend class
*
- * @param string $class Backend class name
+ * @param string $class Backend class name
+ * @throws \Friendica\Network\HTTPException\InternalServerErrorException
*/
public static function setBackend($class)
{
}
-
/**
* @brief Register a storage backend class
*
- * @param string $name User readable backend name
- * @param string $class Backend class name
+ * @param string $name User readable backend name
+ * @param string $class Backend class name
+ * @throws \Friendica\Network\HTTPException\InternalServerErrorException
*/
public static function register($name, $class)
{
/**
* @brief Unregister a storage backend class
*
- * @param string $name User readable backend name
+ * @param string $name User readable backend name
+ * @throws \Friendica\Network\HTTPException\InternalServerErrorException
*/
- public static function unregister($class)
+ public static function unregister($name)
{
self::setup();
unset(self::$backends[$name]);
/**
* @brief Move resources to storage $dest
*
+ * Copy existing data to destination storage and delete from source.
+ * This method cannot move to legacy in-table `data` field.
+ *
* @param string $dest Destination storage class name
- * @param array $tables Tables to look in for resources. Optional, defaults to ['photo']
+ * @param array $tables Tables to look in for resources. Optional, defaults to ['photo', 'attach']
*
- * @retur int Number of moved resources
+ * @throws \Exception
+ * @return int Number of moved resources
*/
public static function move($dest, $tables = null)
{
+ if (is_null($dest) || empty($dest)) {
+ throw new \Exception('Can\'t move to NULL storage backend');
+ }
+
if (is_null($tables)) {
- $tables = ['photo'];
+ $tables = ['photo', 'attach'];
}
$moved = 0;
foreach ($tables as $table) {
- $rr = DBA::select($table, ['id', 'data', 'backend-class', 'backend-ref'], ['`backend-class` != ?', $dest]);
+ // Get the rows where backend class is not the destination backend class
+ $rr = DBA::select(
+ $table,
+ ['id', 'data', 'backend-class', 'backend-ref'],
+ ['`backend-class` IS NULL or `backend-class` != ?' , $dest ]
+ );
+
if (DBA::isResult($rr)) {
- while($r = $rr->fetch()) {
+ while($r = DBA::fetch($rr)) {
$id = $r['id'];
$data = $r['data'];
+ /** @var IStorage $backendClass */
$backendClass = $r['backend-class'];
$backendRef = $r['backend-ref'];
- if ($backendClass !== '') {
+ if (!is_null($backendClass) && $backendClass !== '') {
+ Logger::log("get data from old backend " . $backendClass . " : " . $backendRef);
$data = $backendClass::get($backendRef);
}
+
+ Logger::log("save data to new backend " . $dest);
+ /** @var IStorage $dest */
$ref = $dest::put($data);
+ Logger::log("saved data as " . $ref);
if ($ref !== '') {
+ Logger::log("update row");
$ru = DBA::update($table, ['backend-class' => $dest, 'backend-ref' => $ref, 'data' => ''], ['id' => $id]);
+
if ($ru) {
- if ($backendClass !== '') {
+ if (!is_null($backendClass) && $backendClass !== '') {
+ Logger::log("delete data from old backend " . $backendClass . " : " . $backendRef);
$backendClass::delete($backendRef);
}
$moved++;
return $moved;
}
-}
\ No newline at end of file
+}
+