RegistrationForm::execute PHP Method

    function execute($request)
    {
        $requireValidation = Config::getVar('email', 'require_validation');
        $userDao = DAORegistry::getDAO('UserDAO');
        // New user
        $user = $userDao->newDataObject();
        $user->setUsername($this->getData('username'));
        // Set the base user fields (name, etc.)
        $user->setFirstName($this->getData('firstName'));
        $user->setMiddleName($this->getData('middleName'));
        $user->setLastName($this->getData('lastName'));
        $user->setInitials($this->getData('initials'));
        $user->setEmail($this->getData('email'));
        $user->setCountry($this->getData('country'));
        $user->setAffiliation($this->getData('affiliation'), null);
        // Localized
        $user->setDateRegistered(Core::getCurrentDate());
        $user->setInlineHelp(1);
        // default new users to having inline help visible.
        if (isset($this->defaultAuth)) {
            $user->setPassword($this->getData('password'));
            // FIXME Check result and handle failures
            $this->defaultAuth->doCreateUser($user);
            $user->setAuthId($this->defaultAuth->authId);
        }
        $user->setPassword(Validation::encryptCredentials($this->getData('username'), $this->getData('password')));
        if ($requireValidation) {
            // The account should be created in a disabled
            // state.
            $user->setDisabled(true);
            $user->setDisabledReason(__('user.login.accountNotValidated'));
        }
        parent::execute($user);
        $userDao->insertObject($user);
        $userId = $user->getId();
        if (!$userId) {
            return false;
        }
        // Associate the new user with the existing session
        $sessionManager = SessionManager::getManager();
        $session = $sessionManager->getUserSession();
        $session->setSessionVar('username', $user->getUsername());
        // Save the roles
        import('lib.pkp.classes.user.form.UserFormHelper');
        $userFormHelper = new UserFormHelper();
        $userFormHelper->saveRoleContent($this, $user);
        // Insert the user interests
        import('lib.pkp.classes.user.InterestManager');
        $interestManager = new InterestManager();
        $interestManager->setInterestsForUser($user, $this->getData('interests'));
        import('lib.pkp.classes.mail.MailTemplate');
        if ($requireValidation) {
            // Create an access key
            import('lib.pkp.classes.security.AccessKeyManager');
            $accessKeyManager = new AccessKeyManager();
            $accessKey = $accessKeyManager->createKey('RegisterContext', $user->getId(), null, Config::getVar('email', 'validation_timeout'));
            // Send email validation request to user
            $mail = new MailTemplate('USER_VALIDATE');
            $this->_setMailFrom($request, $mail);
            $context = $request->getContext();
            $mail->assignParams(array('userFullName' => $user->getFullName(), 'activateUrl' => $request->url($context->getPath(), 'user', 'activateUser', array($this->getData('username'), $accessKey))));
            $mail->addRecipient($user->getEmail(), $user->getFullName());
            $mail->send();
            unset($mail);
        }
        return $userId;
    }

 /**
  * Validate user registration information and register new user.
  */
 function registerUser($args, &$request)
 {
     $this->validate($request);
     import('classes.user.form.RegistrationForm');
     $regForm = new RegistrationForm();
     $regForm->readInputData();
     if ($regForm->validate()) {
         $regForm->execute();
         if (Config::getVar('email', 'require_validation')) {
             // Send them home; they need to deal with the
             // registration email.
             $request->redirect(null, 'index');
         }
         $reason = null;
         Validation::login($regForm->getData('username'), $regForm->getData('password'), $reason);
         if ($reason !== null) {
             $this->setupTemplate($request, true);
             $templateMgr =& TemplateManager::getManager();
             $templateMgr->assign('pageTitle', 'user.login');
             $templateMgr->assign('errorMsg', $reason == '' ? 'user.login.accountDisabled' : 'user.login.accountDisabledWithReason');
             $templateMgr->assign('errorParams', array('reason' => $reason));
             $templateMgr->assign('backLink', $request->url('login'));
             $templateMgr->assign('backLinkLabel', 'user.login');
             return $templateMgr->display('common/error.tpl');
         }
         if ($source = $request->getUserVar('source')) {
             $request->redirectUrl($source);
         } else {
             $request->redirect('login');
         }
     } else {
         $this->setupTemplate($request, true);
         $regForm->display();
     }
 }