Upgrade LBCAlerte to version 3.3

Add upgrade script

sources/app/annonce/scripts/backup.php

@@ -0,0 +1,40 @@
+<?php
+
+$url = !empty($_GET["aurl"]) ? $_GET["aurl"] : null;
+
+$logger = Logger::getLogger("main");
+
+$content = $client->request($url);
+
+try {
+    $parser = \AdService\ParserFactory::factory($url);
+} catch (\AdService\Exception $e) {
+    $logger->err($e->getMessage());
+}
+
+$ad = $parser->processAd(
+    $content,
+    parse_url($url, PHP_URL_SCHEME)
+);
+
+$ad_stored = $storage->fetchById($ad->getId());
+if ($ad_stored) {
+    if ($_SERVER["REQUEST_METHOD"] != "POST") {
+        return;
+    }
+
+    // Supprime les photos
+    $adPhoto->delete($ad);
+}
+
+
+if (!$ad_stored) {
+    $ad_stored = new \App\Ad\Ad();
+}
+
+$ad_stored->setFromArray($ad->toArray());
+$storage->save($ad_stored);
+
+$adPhoto->import($ad_stored);
+
+header("LOCATION: ./?mod=annonce&a=view&id=".$ad->getId()); exit;