class.ilObjCertificateSettingsGUI.php

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<?php

declare(strict_types=1);

use ILIAS\ResourceStorage\Services as IRSS;
use ILIAS\Certificate\Overview\CertificateOverviewTable;
use ILIAS\ResourceStorage\Identification\ResourceIdentification;

class ilObjCertificateSettingsGUI extends ilObjectGUI
{
    public const TAB_CERTIFICATES = 'certificates';
    public const CMD_CERTIFICATES_OVERVIEW = 'certificatesOverview';
    public const CMD_DOWNLOAD_CERTIFICATE = 'downloadCertificate';
    private IRSS $irss;
    protected ILIAS\HTTP\GlobalHttpState $httpState;
    protected ILIAS\FileUpload\FileUpload $upload;

    protected ?ilObject $object;
    private readonly ilLogger $logger;
    private readonly ilUserCertificateRepository $user_certificate_repo;
    private readonly ilCertificateActiveValidator $certificate_active_validator;

    public function __construct(
        $data,
        int $id = 0,
        bool $call_by_reference = true,
        bool $prepare_output = true,
        ?ilUserCertificateRepository $user_certificate_repo = null,
        ?ilCertificateActiveValidator $certificate_active_validator = null,
    ) {
        global $DIC;

        parent::__construct($data, $id, $call_by_reference, $prepare_output);

        $this->httpState = $DIC->http();
        $this->upload = $DIC->upload();
        $this->logger = $DIC->logger()->root();
        $this->type = 'cert';
        $this->lng->loadLanguageModule('certificate');
        $this->lng->loadLanguageModule('cert');
        $this->lng->loadLanguageModule('trac');

        $this->irss = $DIC->resourceStorage();

        $this->user_certificate_repo = $user_certificate_repo ?: new ilUserCertificateRepository();
        $this->certificate_active_validator = $certificate_active_validator ?: new ilCertificateActiveValidator();
    }

    public function executeCommand(): void
    {
        $next_class = $this->ctrl->getNextClass($this) ?? '';
        $cmd = $this->ctrl->getCmd();

        $this->prepareOutput();

        if (!$this->rbac_system->checkAccess('read', $this->object->getRefId())) {
            $this->error->raiseError($this->lng->txt('no_permission'), $this->error->WARNING);
        }

        switch (strtolower($next_class)) {
            case strtolower(ilPermissionGUI::class):
                $this->tabs_gui->setTabActive('perm_settings');
                $perm_gui = new ilPermissionGUI($this);
                $this->ctrl->forwardCommand($perm_gui);

                break;
            default:
                if (!$cmd || $cmd === 'view') {
                    $cmd = 'settings';
                }

                $this->$cmd();

                break;
        }
    }

    public function getAdminTabs(): void
    {
        if ($this->certificate_active_validator->validate() && $this->rbac_system->checkAccess('read', $this->object->getRefId())) {
            $this->tabs_gui->addTab(
                self::TAB_CERTIFICATES,
                $this->lng->txt('overview'),
                $this->ctrl->getLinkTarget($this, self::CMD_CERTIFICATES_OVERVIEW)
            );
        }

        if ($this->rbac_system->checkAccess('visible,read', $this->object->getRefId())) {
            $this->tabs_gui->addTarget(
                'settings',
                $this->ctrl->getLinkTarget($this, 'settings'),
                ['settings', 'view']
            );
        }

        if ($this->rbac_system->checkAccess('edit_permission', $this->object->getRefId())) {
            $this->tabs_gui->addTarget(
                'perm_settings',
                $this->ctrl->getLinkTargetByClass(ilPermissionGUI::class, 'perm'),
                [],
                strtolower(ilPermissionGUI::class)
            );
        }
    }

    public function settings(): void
    {
        $this->tabs_gui->setTabActive('settings');
        $form_settings = new ilSetting('certificate');

        $form = new ilPropertyFormGUI();
        $form->setFormAction($this->ctrl->getFormAction($this));
        $form->setTitle($this->lng->txt('certificate_settings'));

        $active = new ilCheckboxInputGUI($this->lng->txt('active'), 'active');
        $active->setChecked((bool) $form_settings->get('active', '0'));
        $form->addItem($active);

        $info = new ilNonEditableValueGUI($this->lng->txt('info'), 'info');
        $info->setValue($this->lng->txt('certificate_usage'));
        $form->addItem($info);

        $bgimage = new ilImageFileInputGUI($this->lng->txt('certificate_background_image'), 'background');
        $bgimage->setRequired(false);

        if (strcmp($this->ctrl->getCmd(), 'save') === 0) {
            $backgroundDelete = $this->httpState->wrapper()->post()->has('background_delete') && $this->httpState->wrapper()->post()->retrieve(
                'background_delete',
                $this->refinery->kindlyTo()->bool()
            );
            if ($backgroundDelete) {
                $this->object->deleteBackgroundImage();
            }
        }

        if (
            $this->upload->hasUploads() &&
            $this->httpState->request()->getMethod() === 'POST' &&
            $bgimage->checkInput()
        ) {
            if (!$this->upload->hasBeenProcessed()) {
                $this->upload->process();
            }

            if (is_array($this->upload->getResults()) && $this->upload->getResults() !== []) {
                $results = $this->upload->getResults();
                $file = array_pop($results);
                if ($file->isOK()) {
                    $result = $this->object->uploadBackgroundImage($file);
                    if ($result === false) {
                        $bgimage->setAlert($this->lng->txt('certificate_error_upload_bgimage'));
                    }
                }
            }
        }

        if ($this->object->hasBackgroundImage()) {
            $rid = $this->object->getBackgroundImageIdentification();
            if ($rid instanceof ResourceIdentification) {
                $bgimage->setImage($this->irss->consume()->src($rid)->getSrc(true));
            } elseif (is_string($rid)) {
                $bgimage->setImage($rid);
            }
        }
        $bgimage->setInfo($this->lng->txt('default_background_info'));
        $form->addItem($bgimage);
        $format = new ilSelectInputGUI($this->lng->txt('certificate_page_format'), 'pageformat');
        $defaultformats = [
            'a4' => $this->lng->txt('certificate_a4'), // (297 mm x 210 mm)
            'a4landscape' => $this->lng->txt('certificate_a4_landscape'), // (210 mm x 297 mm)',
            'a5' => $this->lng->txt('certificate_a5'), // (210 mm x 148.5 mm)
            'a5landscape' => $this->lng->txt('certificate_a5_landscape'), // (148.5 mm x 210 mm)
            'letter' => $this->lng->txt('certificate_letter'), // (11 inch x 8.5 inch)
            'letterlandscape' => $this->lng->txt('certificate_letter_landscape') // (11 inch x 8.5 inch)
        ];
        $format->setOptions($defaultformats);
        $format->setValue($form_settings->get('pageformat', ''));
        $format->setInfo($this->lng->txt('certificate_page_format_info'));
        $form->addItem($format);

        if ($this->rbac_system->checkAccess('write', $this->object->getRefId())) {
            $form->addCommandButton('save', $this->lng->txt('save'));
        }

        if (!ilObjUserTracking::_enabledLearningProgress()) {
            ilAdministrationSettingsFormHandler::addFieldsToForm(
                ilAdministrationSettingsFormHandler::FORM_CERTIFICATE,
                $form,
                $this
            );
        }

        $persistentCertificateMode = new ilRadioGroupInputGUI(
            $this->lng->txt('persistent_certificate_mode'),
            'persistent_certificate_mode'
        );
        $persistentCertificateMode->setRequired(true);

        $cronJobMode = new ilRadioOption(
            $this->lng->txt('persistent_certificate_mode_cron'),
            'persistent_certificate_mode_cron'
        );
        $cronJobMode->setInfo($this->lng->txt('persistent_certificate_mode_cron_info'));

        $instantMode = new ilRadioOption(
            $this->lng->txt('persistent_certificate_mode_instant'),
            'persistent_certificate_mode_instant'
        );
        $instantMode->setInfo($this->lng->txt('persistent_certificate_mode_instant_info'));

        $persistentCertificateMode->addOption($cronJobMode);
        $persistentCertificateMode->addOption($instantMode);

        $persistentCertificateMode->setValue($form_settings->get(
            'persistent_certificate_mode',
            'persistent_certificate_mode_cron'
        ));

        $form->addItem($persistentCertificateMode);

        $this->tpl->setContent($form->getHTML());
    }

    public function certificatesOverview(): void
    {
        if (
            !$this->certificate_active_validator->validate() ||
            !$this->rbac_system->checkAccess('read', $this->object->getRefId())
        ) {
            $this->error->raiseError($this->lng->txt('permission_denied'), $this->error->WARNING);
        }

        $this->tabs_gui->activateTab(self::TAB_CERTIFICATES);

        $table = new CertificateOverviewTable();

        $this->tpl->setContent($table->render());
    }

    public function downloadCertificate(): void
    {
        if (
            !$this->certificate_active_validator->validate() ||
            !$this->rbac_system->checkAccess('read', $this->object->getRefId())
        ) {
            $this->error->raiseError($this->lng->txt('permission_denied'), $this->error->WARNING);
        }

        $certificate_id = $this->httpState->wrapper()->query()->retrieve(
            'cert_overview_id',
            $this->refinery->byTrying([
                $this->refinery->kindlyTo()->listOf($this->refinery->kindlyTo()->int()),
                $this->refinery->always([]),
            ])
        );

        if ($certificate_id === []) {
            $this->ctrl->redirect($this, self::CMD_CERTIFICATES_OVERVIEW);
        }

        // Only one download at a time is possible
        $certificate_id = $certificate_id[array_key_first($certificate_id)];

        try {
            $user_certificate = $this->user_certificate_repo->fetchCertificate($certificate_id);
            if (!$user_certificate->isCurrentlyActive()) {
                throw new Exception('Certificate is not active');
            }
        } catch (Exception $ex) {
            $this->logger->error('Fetching user certificate for download failed. Ex.: ' . $ex->getMessage());
            $this->tpl->setOnScreenMessage('failure', $this->lng->txt('error_creating_certificate_pdf'), true);
            $this->ctrl->redirect($this, self::CMD_CERTIFICATES_OVERVIEW);
        }

        $pdf_generator = new ilPdfGenerator($this->user_certificate_repo);

        $pdf_action = new ilCertificatePdfAction(
            $pdf_generator,
            new ilCertificateUtilHelper(),
            $this->lng->txt('error_creating_certificate_pdf')
        );

        $pdf_action->downloadPdf($user_certificate->getUserId(), $user_certificate->getObjId());
        $this->ctrl->redirect($this, self::CMD_CERTIFICATES_OVERVIEW);
    }

    public function save(): void
    {
        $form_settings = new ilSetting('certificate');

        $mode = $this->httpState->wrapper()->post()->retrieve(
            'persistent_certificate_mode',
            $this->refinery->kindlyTo()->string()
        );
        $previousMode = $form_settings->get('persistent_certificate_mode', 'persistent_certificate_mode_cron');
        if ($mode !== $previousMode && $mode === 'persistent_certificate_mode_instant') {
            $cron = new ilCertificateCron();
            $cron->init();
            $cron->run();
        }

        $form_settings->set(
            'pageformat',
            $this->httpState->wrapper()->post()->retrieve('pageformat', $this->refinery->kindlyTo()->string())
        );
        $form_settings->set(
            'active',
            (string) ($this->httpState->wrapper()->post()->has('active') && $this->httpState->wrapper()->post()->retrieve(
                'active',
                $this->refinery->kindlyTo()->bool()
            ))
        );
        $form_settings->set('persistent_certificate_mode', $mode);

        $this->tpl->setOnScreenMessage('success', $this->lng->txt('settings_saved'));
        $this->settings();
    }
}