create toggleDefault method in lang method and modify in Country model

core/lib/Thelia/Action/Lang.php

@@ -23,6 +23,7 @@
 
 namespace Thelia\Action;
 use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+use Thelia\Core\Event\Lang\LangToggleDefaultEvent;
 use Thelia\Core\Event\Lang\LangUpdateEvent;
 use Thelia\Core\Event\TheliaEvents;
 use Thelia\Model\LangQuery;
@@ -52,6 +53,17 @@ class Lang extends BaseAction implements EventSubscriberInterface
         }
     }
 
+    public function toggleDefault(LangToggleDefaultEvent $event)
+    {
+        if (null !== $lang = LangQuery::create()->findPk($event->getLangId())) {
+            $lang->setDispatcher($this->getDispatcher());
+
+            $lang->toggleDefault();
+
+            $event->setLang($lang);
+        }
+    }
+
     /**
      * Returns an array of event names this subscriber wants to listen to.
      *

core/lib/Thelia/Model/Country.php

@@ -3,9 +3,12 @@
 namespace Thelia\Model;
 
 use Propel\Runtime\Connection\ConnectionInterface;
+use Propel\Runtime\Exception\PropelException;
+use Propel\Runtime\Propel;
 use Thelia\Core\Event\Country\CountryEvent;
 use Thelia\Core\Event\TheliaEvents;
 use Thelia\Model\Base\Country as BaseCountry;
+use Thelia\Model\Map\CountryTableMap;
 
 class Country extends BaseCountry
 {
@@ -16,13 +19,25 @@ class Country extends BaseCountry
         if($this->getId() === null) {
             throw new \RuntimeException("impossible to just uncheck default country, choose a new one");
         }
-        CountryQuery::create()
-            ->filterByByDefault(1)
-            ->update(array('ByDefault' => 0));
 
-        $this
-            ->setByDefault(1)
-            ->save();
+        $con = Propel::getWriteConnection(CountryTableMap::DATABASE_NAME);
+        $con->beginTransaction();
+
+        try {
+            CountryQuery::create()
+                ->filterByByDefault(1)
+                ->update(array('ByDefault' => 0), $con);
+
+            $this
+                ->setByDefault(1)
+                ->save($con);
+
+            $con->commit();
+        } catch(PropelException $e) {
+            $con->rollBack();
+            throw $e;
+        }
+
     }
 
     public function preInsert(ConnectionInterface $con = null)

core/lib/Thelia/Model/Lang.php

@@ -3,9 +3,13 @@
 namespace Thelia\Model;
 
 use Propel\Runtime\Connection\ConnectionInterface;
+use Propel\Runtime\Exception\PropelException;
+use Propel\Runtime\Propel;
 use Thelia\Core\Event\Lang\LangEvent;
 use Thelia\Core\Event\TheliaEvents;
 use Thelia\Model\Base\Lang as BaseLang;
+use Thelia\Model\Base\LangQuery;
+use Thelia\Model\Map\LangTableMap;
 
 class Lang extends BaseLang {
 
@@ -25,6 +29,30 @@ class Lang extends BaseLang {
         return $default_lang;
     }
 
+    public function toggleDefault()
+    {
+        if($this->getId() === null) {
+            throw new \RuntimeException("impossible to just uncheck default language, choose a new one");
+        }
+        $con = Propel::getWriteConnection(LangTableMap::DATABASE_NAME);
+        $con->beginTransaction();
+        try {
+            LangQuery::create()
+                ->filterByByDefault(1)
+                ->update(array('ByDefault' => 0), $con);
+
+            $this
+                ->setByDefault(1)
+                ->save($con);
+
+            $con->commit();
+        } catch(PropelException $e) {
+            $con->rollBack();
+            throw $e;
+        }
+
+    }
+
     public function preInsert(ConnectionInterface $con = null)
     {
         $this->dispatchEvent(TheliaEvents::BEFORE_CREATELANG, new LangEvent($this));