<?php

class login
{

    public function loginAction()
    {
        $this->view->message = '';
        $this->view->title = 'Log in';

        if (!$this->_request->isPost()) {
            $this->view->message = "favor prover os dados de login";
            return;
        }

        // collect the data from the user
        $filter = new Zend_Filter_StripTags();
        $username = $filter->filter(
            $this->_request->getPost('usuarios_usuario')
        );
        $password = $filter->filter(
            $this->_request->getPost('usuarios_senha')
        );

        if (empty($username)) {
            $this->view->message = 'Please provide a username.';
            return;
        }

        $authAdapter = new Zend_Auth_Adapter_DbTable(
            Zend_Db_Table::getDefaultAdapter()
        );

        $authAdapter->setTableName('usuarios');
        $authAdapter->setIdentityColumn('usuarios_usuario');
        $authAdapter->setCredentialColumn('usuarios_senha');
        // Set the input credential values to authenticate against
        $authAdapter->setIdentity($username);
        $authAdapter->setCredential($password);
        // do the authentication
        $auth = Zend_Auth::getInstance();
        $result = $auth->authenticate($authAdapter);

        if (!$result->isValid()) {
            // failure: clear database row from session
            $this->view->message = 'Login failed.';
            return;
        }

        // success: store database row to auth's storage
        // system. (Not the password though!)
        $data = $authAdapter->getResultRowObject(null, 'password');
        $auth->getStorage()->write($data);
        $this->_redirect('/');
    }

}