public function indexAction()
 {
     $session = new Zend_Session_Namespace('Zend_auth');
     $user = $session->user;
     $modelTransaction = new Application_Model_Transaction();
     $modelCurrency = new Application_Model_Currency();
     $this->view->currencies = $modelCurrency->getAll();
     $modelPaiement = new Application_Model_Paiement();
     $this->view->paiements = $modelPaiement->getAll();
     $begin = $this->getRequest()->getPost('begin', date('Y-m-01'));
     $end = $this->getRequest()->getPost('end', date('Y-m-t'));
     $transactions = $modelTransaction->getAll($user, $begin, $end);
     $this->view->transactions = $transactions;
     $this->view->begin = $begin;
     $this->view->end = $end;
 }