class.ilADNNotificationUIFormGUI.php

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<?php

use ILIAS\DI\Container;
use ILIAS\Refinery\Factory;
use ILIAS\HTTP\Services;
use ILIAS\Refinery\Transformation;

class ilADNNotificationUIFormGUI
{
    public const F_TITLE = 'title';
    public const F_BODY = 'body';
    public const F_TYPE = 'type';
    public const F_TYPE_DURING_EVENT = 'type_during_event';
    public const F_EVENT_DATE = 'event_date';
    public const F_DISPLAY_DATE = 'display_date';
    public const F_PERMANENT = 'permanent';
    public const F_POSITION = 'position';
    public const F_ADDITIONAL_CLASSES = 'additional_classes';
    public const F_PREVENT_LOGIN = 'prevent_login';
    public const F_INTERRUPTIVE = 'interruptive';
    public const F_ALLOWED_USERS = 'allowed_users';
    public const F_DISMISSABLE = 'dismissable';
    public const F_HAS_LANGUAGE_LIMITATION = 'has_language_limitation';
    public const F_LIMITED_TO_LANGUAGES = 'limited_to_languages';
    public const F_LIMIT_TO_ROLES = 'limit_to_roles';
    public const F_LIMITED_TO_ROLE_IDS = 'limited_to_role_ids';
    public const F_DISPLAY_DATE_START = 'display_date_start';
    public const F_DISPLAY_DATE_END = 'display_date_end';
    public const F_EVENT_DATE_START = 'event_date_start';
    public const F_EVENT_DATE_END = 'event_date_end';
    public const F_SHOW_TO_ALL_LANGUAGES = 'show_to_all_languages';
    public const F_SHOW_TO_ALL_ROLES = 'show_to_all_roles';
    public const F_LANGUAGES = 'languages';
    public const F_PRESENTATION = 'presentation';
    protected ilCtrlInterface $ctrl;
    protected \ILIAS\UI\Factory $ui;
    protected \ILIAS\UI\Renderer $renderer;
    protected ?\ILIAS\UI\Component\Input\Container\Form\Standard $form = null;
    protected Factory $refinery;
    protected ilLanguage $lng;
    protected ilRbacReview $rbac_review;
    protected Services $http;

    public function __construct(protected ilADNNotification $notification, protected string $action)
    {
        global $DIC;
        $this->ui = $DIC->ui()->factory();
        $this->renderer = $DIC->ui()->renderer();
        $this->http = $DIC->http();
        $this->ctrl = $DIC->ctrl();
        $this->lng = $DIC->language();
        $this->refinery = $DIC->refinery();
        $this->rbac_review = $DIC->rbac()->review();
        $this->initForm();
    }

    protected function txt(string $var): string
    {
        return $this->lng->txt('msg_' . $var);
    }

    protected function infoTxt(string $var): string
    {
        return $this->txt($var . '_info');
    }

    protected function getDenotations(): array
    {
        return [
            ilADNNotification::TYPE_INFO => $this->txt(self::F_TYPE . '_' . ilADNNotification::TYPE_INFO),
            ilADNNotification::TYPE_WARNING => $this->txt(self::F_TYPE . '_' . ilADNNotification::TYPE_WARNING),
            ilADNNotification::TYPE_ERROR => $this->txt(self::F_TYPE . '_' . ilADNNotification::TYPE_ERROR),
        ];
    }

    public function getHTML(): string
    {
        return $this->renderer->render($this->form);
    }

    public function initForm(): void
    {
        $field = $this->ui->input()->field();
        $custom_trafo = fn(callable $c): Transformation => $this->refinery->custom()->transformation($c);
        $custom_constraint = fn(callable $c, string $error): Transformation => $this->refinery->custom()->constraint(
            $c,
            $error
        );

        // DENOTATION
        $types = $this->getDenotations();
        $denotation = $field->select($this->txt(self::F_TYPE), $types, $this->infoTxt(self::F_TYPE))
                            ->withRequired(true)
                            ->withValue($this->notification->getType())
                            ->withAdditionalTransformation(
                                $custom_trafo(function ($v): void {
                                    $this->notification->setType((int) $v);
                                })
                            );

        // TITLE
        $title = $field->text($this->txt(self::F_TITLE), $this->infoTxt(self::F_TITLE))
                       ->withRequired(true)
                       ->withValue($this->notification->getTitle())
                       ->withAdditionalTransformation(
                           $custom_trafo(function ($v): void {
                               $this->notification->setTitle((string) $v);
                           })
                       );

        // BODY
        $body = $field->markdown(
            new ilUIMarkdownPreviewGUI(),
            $this->txt(self::F_BODY),
            $this->infoTxt(self::F_BODY)
        )
                      ->withValue($this->notification->getBody())
                      ->withAdditionalTransformation(
                          $custom_trafo(function ($v): void {
                              $this->notification->setBody((string) $v);
                          })
                      );

        // PERMANENT AND DATES
        $format = (new ILIAS\Data\Factory())->dateFormat()->standard();
        $str = $format->toString() . ' H:i:s';

        $display_date_start = $field->dateTime($this->txt(self::F_DISPLAY_DATE_START))
                                    ->withUseTime(true)
                                    ->withFormat($format)
                                    ->withValue($this->notification->getDisplayStart()->format($str))
                                    ->withAdditionalTransformation(
                                        $custom_trafo(function (?DateTimeImmutable $v): ?\DateTimeImmutable {
                                            $this->notification->setDisplayStart($v ?? new DateTimeImmutable());
                                            return $v;
                                        })
                                    );
        $display_date_end = $field->dateTime($this->txt(self::F_DISPLAY_DATE_END))
                                  ->withUseTime(true)
                                  ->withFormat($format)
                                  ->withValue($this->notification->getDisplayEnd()->format($str))
                                  ->withAdditionalTransformation(
                                      $custom_trafo(function (?DateTimeImmutable $v): ?\DateTimeImmutable {
                                          $this->notification->setDisplayEnd($v ?? new DateTimeImmutable());
                                          return $v;
                                      })
                                  );
        $event_date_start = $field->dateTime($this->txt(self::F_EVENT_DATE_START))
                                  ->withUseTime(true)
                                  ->withFormat($format)
                                  ->withValue($this->notification->getEventStart()->format($str))
                                  ->withAdditionalTransformation(
                                      $custom_trafo(function (?DateTimeImmutable $v): ?\DateTimeImmutable {
                                          $this->notification->setEventStart($v ?? new DateTimeImmutable());
                                          return $v;
                                      })
                                  );
        $event_date_end = $field->dateTime($this->txt(self::F_EVENT_DATE_END))
                                ->withUseTime(true)
                                ->withFormat($format)
                                ->withValue($this->notification->getEventEnd()->format($str))
                                ->withAdditionalTransformation(
                                    $custom_trafo(function (?DateTimeImmutable $v): ?\DateTimeImmutable {
                                        $this->notification->setEventEnd($v ?? new DateTimeImmutable());
                                        return $v;
                                    })
                                );

        $type_during_event = $field->select($this->txt(self::F_TYPE_DURING_EVENT), $types)
                                   ->withRequired(true)
                                   ->withValue($this->notification->getTypeDuringEvent())
                                   ->withAdditionalTransformation(
                                       $custom_trafo(function ($v): void {
                                           $this->notification->setTypeDuringEvent((int) $v);
                                       })
                                   );

        $permanent = $field->switchableGroup([
            self::F_PERMANENT . '_yes' => $field->group([], $this->txt(self::F_PERMANENT . '_yes')),
            self::F_PERMANENT . '_no' => $field->group(
                [
                    self::F_DISPLAY_DATE_START => $display_date_start,
                    self::F_DISPLAY_DATE_END => $display_date_end,
                    self::F_EVENT_DATE_START => $event_date_start,
                    self::F_EVENT_DATE_END => $event_date_end,
                    self::F_TYPE_DURING_EVENT => $type_during_event
                ],
                $this->txt(self::F_PERMANENT . '_no')
            )
        ], $this->txt(self::F_PERMANENT), $this->infoTxt(self::F_PERMANENT))
                           ->withValue(
                               $this->notification->isPermanent(
                               ) ? self::F_PERMANENT . '_yes' : self::F_PERMANENT . '_no'
                           )
                           ->withAdditionalTransformation(
                               $custom_trafo(function ($v) {
                                   $permanent = isset($v[0]) && $v[0] === self::F_PERMANENT . '_yes';
                                   $this->notification->setPermanent($permanent);
                                   return $permanent ? null : $v[1];
                               })
                           )
                           ->withAdditionalTransformation(
                               $custom_constraint(static function ($v): bool {
                                   if (is_null($v)) {
                                       return true;
                                   }
                                   $display_start = $v[self::F_DISPLAY_DATE_START] ?? null;
                                   $display_end = $v[self::F_DISPLAY_DATE_END] ?? null;
                                   $event_start = $v[self::F_EVENT_DATE_START] ?? null;
                                   $event_end = $v[self::F_EVENT_DATE_END] ?? null;

                                   if ($display_start >= $display_end) {
                                       return false;
                                   }
                                   if ($event_start >= $event_end) {
                                       return false;
                                   }
                                   if ($event_start < $display_start) {
                                       return false;
                                   }
                                   return $event_end <= $display_end;
                               }, $this->txt('error_false_date_configuration'))
                           );

        // DISMISSABLE
        $dismissable = $field->checkbox($this->txt(self::F_DISMISSABLE), $this->infoTxt(self::F_DISMISSABLE))
                             ->withValue($this->notification->getDismissable())
                             ->withAdditionalTransformation(
                                 $custom_trafo(function ($v): void {
                                     $this->notification->setDismissable((bool) $v);
                                 })
                             );

        // LIMITED TO LANGUAGES
        $installed_languages = $this->lng->getInstalledLanguages();
        $lang_options = [];
        $this->lng->loadLanguageModule('meta');
        foreach ($installed_languages as $installed_language) {
            $lang_options[$installed_language] = $this->lng->txt("meta_l_" . $installed_language);
        }

        $limited_to_languages = $field->multiSelect('', $lang_options)->withValue(
            array_intersect($this->notification->getLimitedToLanguages(), $installed_languages)
        );

        $lang_value = $this->notification->hasLanguageLimitation()
            ? self::F_HAS_LANGUAGE_LIMITATION
            : self::F_SHOW_TO_ALL_LANGUAGES;

        $languages = $field->switchableGroup([
            self::F_SHOW_TO_ALL_LANGUAGES => $field->group(
                [],
                $this->txt(self::F_SHOW_TO_ALL_LANGUAGES)
            ),
            self::F_HAS_LANGUAGE_LIMITATION => $field->group(
                [$limited_to_languages],
                $this->txt(self::F_HAS_LANGUAGE_LIMITATION)
            )->withByline($this->infoTxt(self::F_HAS_LANGUAGE_LIMITATION))
        ], $this->txt("languages"))
                       ->withValue($lang_value)
                       ->withAdditionalTransformation(
                           $custom_trafo(function ($v): void {
                               $has_language_limitation = ($v[0] ?? null) === self::F_HAS_LANGUAGE_LIMITATION;
                               $limited_to_languages = (array) ($v[1][0] ?? []);
                               $this->notification->setHasLanguageLimitation($has_language_limitation);
                               $this->notification->setLimitedToLanguages($limited_to_languages);
                           })
                       );

        // LIMITED TO ROLES
        $available_roles = $this->getRoles(ilRbacReview::FILTER_ALL_GLOBAL);
        $limited_to_role_ids = $field->multiSelect('', $available_roles)
                                     ->withValue($this->notification->getLimitedToRoleIds());

        $value = $this->notification->isLimitToRoles()
            ? self::F_LIMIT_TO_ROLES
            : self::F_SHOW_TO_ALL_ROLES;

        $roles = $field->switchableGroup([
            self::F_SHOW_TO_ALL_ROLES => $field->group(
                [],
                $this->txt(self::F_SHOW_TO_ALL_ROLES)
            )->withByline($this->infoTxt(self::F_SHOW_TO_ALL_ROLES)),
            self::F_LIMIT_TO_ROLES => $field->group(
                [$limited_to_role_ids],
                $this->txt(self::F_LIMIT_TO_ROLES)
            )->withByline($this->infoTxt(self::F_LIMIT_TO_ROLES))
        ], $this->txt(self::F_PRESENTATION))
                       ->withValue($value)
                       ->withAdditionalTransformation(
                           $custom_trafo(function ($v): void {
                               $limit_to_roles = ($v[0] ?? null) === self::F_LIMIT_TO_ROLES;
                               $limited_to_role_ids = (array) ($v[1][0] ?? []);
                               $this->notification->setLimitToRoles($limit_to_roles);
                               $this->notification->setLimitedToRoleIds($limited_to_role_ids);
                           })
                       );

        // COMPLETE FORM
        $section = $field->section([
            self::F_TYPE => $denotation,
            self::F_TITLE => $title,
            self::F_BODY => $body,
            self::F_PERMANENT => $permanent,
            self::F_DISMISSABLE => $dismissable,
            self::F_HAS_LANGUAGE_LIMITATION => $languages,
            self::F_LIMIT_TO_ROLES => $roles,
        ], $this->txt('form_title'))->withAdditionalTransformation(
            $custom_trafo(function ($v): ilADNNotification {
                return $this->notification;
            })
        );

        $this->form = $this->ui->input()->container()->form()->standard(
            $this->action,
            [$section]
        )->withAdditionalTransformation(
            $this->refinery->custom()->transformation(function ($v) {
                return array_shift($v);
            })
        );
    }

    public function setValuesByPost(): void
    {
        $this->form = $this->form->withRequest($this->http->request());
    }

    protected function fillObject(): bool
    {
        $data = $this->form->getData();
        if (!$data instanceof ilADNNotification) {
            return false;
        }
        $this->notification = $data;
        return true;
    }

    public function saveObject(): bool
    {
        if (!$this->fillObject()) {
            return false;
        }
        if ($this->notification->getId() > 0) {
            $this->notification->update();
        } else {
            $this->notification->create();
        }

        return $this->notification->getId() > 0;
    }

    protected function getRoles(int $filter): array
    {
        $opt = [];
        foreach ($this->rbac_review->getRolesByFilter($filter) as $role) {
            $opt[(int) $role['obj_id']] = $role['title'] . ' (' . $role['obj_id'] . ')';
        }

        return $opt;
    }
}