class.DeleteAccountGUI.php

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<?php
 
declare(strict_types=1);
 
namespace ILIAS\User\Account;
 
use ILIAS\DI\LoggingServices;
use ILIAS\Language\Language;
use ILIAS\UI\Factory as UIFactory;
use ILIAS\UI\Renderer as UIRenderer;
 
class DeleteAccountGUI
{
    public function __construct(
        private readonly \ilCtrl $ctrl,
        private readonly Language $lng,
        private readonly \ilGlobalTemplateInterface $tpl,
        private readonly UIFactory $ui_factory,
        private readonly UIRenderer $ui_renderer,
        private readonly \ilToolbarGUI $toolbar,
        private readonly LoggingServices $log,
        private readonly \ilMailMimeSenderFactory $mail_sender_factory,
        private readonly \ilSetting $settings,
        private readonly \ilAuthSession $auth_session,
        private readonly \ilObjUser $current_user
    ) {
    }
 
    public function executeCommand(): void
    {
        $this->tpl->setTitle($this->lng->txt('user_delete_own_account'));
        $cmd = $this->ctrl->getCmd('showGeneralSettings');
        $this->$cmd() . 'Cmd';
    }
 
    protected function deleteOwnAccountStep1(): void
    {
        if (!(bool) $this->settings->get('user_delete_own_account') ||
            $this->current_user->getId() === SYSTEM_USER_ID) {
            $this->ctrl->redirectByClass(
                [\ilDashboardGUI::class, PersonalSettingsGUI::class],
                'show'
            );
        }
 
        // to make sure
        $this->current_user->removeDeletionFlag();
 
        $modal = $this->ui_factory->modal()->interruptive(
            $this->lng->txt('user_delete_own_account'),
            $this->lng->txt('user_delete_own_account_logout_confirmation'),
            $this->ctrl->getFormActionByClass(self::class, 'deleteOwnAccountLogout')
        )->withActionButtonLabel($this->lng->txt('user_delete_own_account_logout_button'));
 
        $this->tpl->setOnScreenMessage('info', $this->lng->txt('user_delete_own_account_info'));
        $this->toolbar->addComponent(
            $this->ui_factory->button()->standard(
                $this->lng->txt('btn_next'),
                $modal->getShowSignal()
            )
        );
 
        $this->tpl->setContent($this->ui_renderer->render($modal));
 
        $this->tpl->printToStdout();
    }
 
    protected function abortDeleteOwnAccount(): void
    {
        $this->current_user->removeDeletionFlag();
 
        $this->tpl->setOnScreenMessage('info', $this->lng->txt('user_delete_own_account_aborted'), true);
        $this->ctrl->redirect($this, 'showGeneralSettings');
    }
 
    protected function deleteOwnAccountLogout(): void
    {
        $this->current_user->activateDeletionFlag();
 
        \ilSession::setClosingContext(\ilSession::SESSION_CLOSE_USER);
        $this->auth_session->logout();
 
        $this->ctrl->redirectToURL('login.php?cmd=force_login&target=usr_' . md5('usrdelown'));
    }
 
    protected function deleteOwnAccountStep2(): void
    {
        if (
            !(bool) $this->settings->get('user_delete_own_account') ||
            $this->current_user->getId() === SYSTEM_USER_ID ||
            !$this->current_user->hasDeletionFlag()
        ) {
            $this->ctrl->redirect($this, 'showGeneralSettings');
        }
 
        $this->tpl->setOnScreenMessage(
            'question',
            $this->lng->txt('user_delete_own_account_final_confirmation')
        );
 
        $this->toolbar->addComponent(
            $this->ui_factory->button()->standard(
                $this->lng->txt('confirm'),
                $this->ctrl->getLinkTargetByClass(self::class, 'deleteOwnAccountStep3')
            )
        );
 
        $this->toolbar->addComponent(
            $this->ui_factory->button()->standard(
                $this->lng->txt('cancel'),
                $this->ctrl->getLinkTargetByClass(self::class, 'abortDeleteOwnAccount')
            )
        );
        $this->tpl->printToStdout();
    }
 
    protected function deleteOwnAccountStep3(): void
    {
        if (
            !(bool) $this->settings->get('user_delete_own_account') ||
            $this->current_user->getId() === SYSTEM_USER_ID ||
            !$this->current_user->hasDeletionFlag()
        ) {
            $this->ctrl->redirect($this, 'showGeneralSettings');
        }
 
        // build notification
 
        $ntf = new \ilSystemNotification();
        $ntf->setLangModules(['user']);
        $ntf->addAdditionalInfo('profile', $this->current_user->getProfileAsString($this->lng), true);
 
        // mail message
        \ilDatePresentation::setUseRelativeDates(false);
        $ntf->setIntroductionDirect(
            sprintf(
                $this->lng->txt('user_delete_own_account_email_body'),
                $this->current_user->getLogin(),
                ILIAS_HTTP_PATH,
                \ilDatePresentation::formatDate(new \ilDateTime(time(), IL_CAL_UNIX))
            )
        );
 
        $message = $ntf->composeAndGetMessage($this->current_user->getId(), null, 'read', true);
        $subject = $this->lng->txt('user_delete_own_account_email_subject');
 
        // send notification
        $user_email = $this->current_user->getEmail();
        $admin_mail = $this->settings->get('user_delete_own_account_email');
 
        $mmail = new \ilMimeMail();
        $mmail->From($this->mail_sender_factory->system());
 
        if ($user_email !== '') {
            $mmail->To($user_email);
            $mmail->Bcc($admin_mail);
            $mmail->Subject($subject, true);
            $mmail->Body($message);
            $mmail->Send();
        } elseif ($admin_mail !== null || $admin_mail !== '') {
            $mmail->To($admin_mail);
            $mmail->Subject($subject, true);
            $mmail->Body($message);
            $mmail->Send();
        }
 
        $this->log->root()->log('Account deleted: ' . $this->current_user->getLogin() . ' (' . $this->current_user->getId() . ')');
 
        $this->current_user->delete();
 
        // terminate session
        $this->auth_session->logout();
        $this->ctrl->redirectToURL('login.php?accdel=1');
    }
}