class.ilStudyProgrammeChangeDeadlineGUI.php

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<?php

/* Copyright (c) 2019 Daniel Weise <daniel.weise@concepts-and-training.de> Extended GPL, see docs/LICENSE */

declare(strict_types=1);

use GuzzleHttp\Psr7\ServerRequest;
use ILIAS\UI\Component\Input\Container\Form\Standard;
use ILIAS\UI\Component\Input\Factory;
use ILIAS\UI\Component\Input\Field\Input;
use ILIAS\UI\Renderer;

class ilStudyProgrammeChangeDeadlineGUI
{
    const CMD_SHOW_DEADLINE_CONFIG = "showDeadlineConfig";
    const CMD_CHANGE_DEADLINE = "changeDeadline";
    const PROP_DEADLINE = "deadline";

    protected $gui;

    protected $ctrl;

    protected $tpl;

    protected $lng;

    protected $access;

    protected $user;

    protected $back_target;

    protected $input_factory;

    protected $renderer;

    protected $request;

    protected $refinery_factory;

    protected $data_factory;

    protected $user_progress_db;

    protected $progress_ids;

    protected $ref_id;

    protected $object;

    public function __construct(
        ilCtrl $ctrl,
        ilGlobalTemplateInterface $tpl,
        ilLanguage $lng,
        ilAccess $access,
        ilObjUser $user,
        Factory $input_factory,
        Renderer $renderer,
        ServerRequest $request,
        \ILIAS\Refinery\Factory $refinery_factory,
        \ILIAS\Data\Factory $data_factory,
        ilStudyProgrammeUserProgressDB $user_progress_db
    ) {
        $this->ctrl = $ctrl;
        $this->tpl = $tpl;
        $this->lng = $lng;
        $this->access = $access;
        $this->user = $user;
        $this->input_factory = $input_factory;
        $this->renderer = $renderer;
        $this->request = $request;
        $this->refinery_factory = $refinery_factory;
        $this->data_factory = $data_factory;
        $this->user_progress_db = $user_progress_db;
    }

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

        switch ($next_class) {
            default:
                switch ($cmd) {
                    case self::CMD_SHOW_DEADLINE_CONFIG:
                        $this->showDeadlineConfig();
                        break;
                    case self::CMD_CHANGE_DEADLINE:
                        $this->changeDeadline();
                        break;
                    case 'cancel':
                        $this->redirectToParent();
                        break;
                    default:
                        throw new Exception('Unknown command ' . $cmd);
                        break;
                }
                break;
        }
    }

    protected function showDeadlineConfig() : void
    {
        $this->tpl->loadStandardTemplate();
        $this->ctrl->setParameter($this, 'prgrs_ids', implode(',', $this->getProgressIds()));
        $action = $this->ctrl->getFormAction(
            $this,
            self::CMD_CHANGE_DEADLINE
        );
        $this->ctrl->clearParameters($this);

        $form = $this->buildForm($this->getObject(), $action);

        $this->tpl->setContent($this->renderer->render($form));
    }

    protected function buildForm(ilObjStudyProgramme $prg, string $submit_action) : Standard
    {
        $ff = $this->input_factory->field();
        $txt = function ($id) {
            return $this->lng->txt($id);
        };

        return $this->input_factory->container()->form()->standard(
            $submit_action,
            $this->buildFormElements(
                $ff,
                $txt,
                $prg
            )
        );
    }

    protected function getDeadlineSubForm(ilObjStudyProgramme $prg) : Input
    {
        $ff = $this->input_factory->field();
        $txt = function ($id) {
            return $this->lng->txt($id);
        };

        $option = ilObjStudyProgrammeSettingsGUI::OPT_NO_DEADLINE;
        $deadline_date = $prg->getDeadlineSettings()->getDeadlineDate();
        $format = $this->data_factory->dateFormat()->germanShort();
        $deadline_date_sub_form = $ff
            ->dateTime('', $txt('prg_deadline_date_desc'))
            ->withFormat($format)
            ->withMinValue(new DateTimeImmutable())
        ;

        if ($deadline_date !== null) {
            $deadline_date_sub_form = $deadline_date_sub_form->withValue(
                $deadline_date->format($format->toString())
            );
            $option = ilObjStudyProgrammeSettingsGUI::OPT_DEADLINE_DATE;
        }

        $sg = $ff->switchableGroup(
            [
                ilObjStudyProgrammeSettingsGUI::OPT_NO_DEADLINE =>
                    $ff->group([], $txt('prg_no_deadline')),
                ilObjStudyProgrammeSettingsGUI::OPT_DEADLINE_DATE =>
                    $ff->group([$deadline_date_sub_form], $txt('prg_deadline_date'))
            ],
            ''
        );

        return $sg->withValue($option);
    }

    protected function buildFormElements(
        $ff,
        Closure $txt,
        ilObjStudyProgramme $prg
    ) : array {
        $return = [
            $ff->section(
                [
                    ilObjStudyProgrammeSettingsGUI::PROP_DEADLINE => $this->getDeadlineSubForm($prg)
                ],
                $txt("prg_deadline_settings"),
                ""
            )
        ];

        return $return;
    }

    protected function changeDeadline() : void
    {
        $form = $this
            ->buildForm($this->getObject(), $this->ctrl->getFormAction($this, "changeDeadline"))
            ->withRequest($this->request);

        $result = $form->getInputGroup()->getContent();

        if ($result->isOK()) {
            $values = $result->value();
            foreach ($this->getProgressIds() as $prgs_id) {
                $progress = $this->user_progress_db->getInstanceById($prgs_id);
                $deadline_data = $values[0][self::PROP_DEADLINE];
                $deadline_type = $deadline_data[0];

                switch ($deadline_type) {
                    case ilObjStudyProgrammeSettingsGUI::OPT_NO_DEADLINE:
                        $progress->setDeadline(null);
                        break;
                    case ilObjStudyProgrammeSettingsGUI::OPT_DEADLINE_DATE:
                        $progress->setDeadline(DateTime::createFromFormat(
                            'd.m.Y',
                            array_shift($deadline_data[1])
                        ));
                        break;
                }


                $progress->updateProgress($this->user->getId());
                $progress->updateFromProgramNode();
            }

            ilUtil::sendSuccess($this->lng->txt('update_deadline'), true);
            $this->ctrl->redirectByClass('ilObjStudyProgrammeMembersGUI', 'view');
        }

        ilUtil::sendFailure($this->lng->txt('error_updating_deadline'), true);
        $this->ctrl->redirectByClass(self::class, self::CMD_SHOW_DEADLINE_CONFIG);
    }

    protected function getBackTarget() : string
    {
        return $this->back_target;
    }

    public function setBackTarget(string $target) : void
    {
        $this->back_target = $target;
    }

    protected function getProgressIds() : array
    {
        return $this->progress_ids;
    }

    public function setProgressIds(array $progress_ids) : void
    {
        $this->progress_ids = $progress_ids;
    }

    protected function getRefId() : int
    {
        return $this->ref_id;
    }

    public function setRefId(int $ref_id) : void
    {
        $this->ref_id = $ref_id;
    }

    protected function getObject()
    {
        if ($this->object === null) {
            $this->object = ilObjStudyProgramme::getInstanceByRefId($this->getRefId());
        }
        return $this->object;
    }

    protected function redirectToParent() : void
    {
        ilUtil::redirect($this->getBackTarget());
    }
}