class.ilMailMemberSearchGUI.php

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<?php

declare(strict_types=1);

use Psr\Http\Message\ServerRequestInterface;
use ILIAS\Contact\MemberSearch\MailMemberSearchTable;
use ILIAS\Refinery\Factory;
use ILIAS\UI\Renderer;
use ILIAS\HTTP\Services;
use ILIAS\UI\Component\Input\Container\Form\Standard as StandardForm;

class ilMailMemberSearchGUI
{
    private readonly ServerRequestInterface $httpRequest;
    private readonly array $mail_roles;
    private ?ilParticipants $objParticipants = null;
    private readonly ilCtrlInterface $ctrl;
    private readonly ilGlobalTemplateInterface $tpl;
    private readonly ilLanguage $lng;
    private readonly ilAccessHandler $access;
    private readonly \ILIAS\UI\Factory $ui_factory;
    private readonly Services $http;
    private readonly Renderer $ui_renderer;
    private readonly Factory $refinery;

    public function __construct(
        private readonly object $gui,
        public int $ref_id,
        private readonly ilAbstractMailMemberRoles $objMailMemberRoles
    ) {
        global $DIC;

        $this->ctrl = $DIC['ilCtrl'];
        $this->tpl = $DIC['tpl'];
        $this->lng = $DIC['lng'];
        $this->access = $DIC['ilAccess'];
        $this->httpRequest = $DIC->http()->request();

        $this->ui_factory = $DIC->ui()->factory();
        $this->ui_renderer = $DIC->ui()->renderer();
        $this->refinery = $DIC->refinery();
        $this->http = $DIC->http();

        $this->lng->loadLanguageModule('mail');
        $this->lng->loadLanguageModule('search');
        $this->mail_roles = $objMailMemberRoles->getMailRoles($ref_id);
    }

    private function handleSearchMembersActions(): void
    {
        $action = $this->http->wrapper()->query()->retrieve(
            'contact_search_members_action',
            $this->refinery->byTrying([
                $this->refinery->kindlyTo()->string(),
                $this->refinery->always('')
            ])
        );
        match ($action) {
            'sendMailToSelectedUsers' => $this->sendMailToSelectedUsers(),
            default => $this->ctrl->redirect($this, 'showSelectableUsers'),
        };
    }

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

        $this->ctrl->setReturn($this, '');

        switch ($cmd) {
            case 'handleSearchMembersActions':
                $this->handleSearchMembersActions();
                break;

            case 'showSelectableUsers':
                $this->showSelectableUsers();
                break;

            case 'nextMailForm':
                $this->nextMailForm();
                break;

            case 'cancel':
                $this->redirectToParentReferer();
                break;

            default:
                if (isset($this->httpRequest->getQueryParams()['returned_from_mail']) &&
                    $this->httpRequest->getQueryParams()['returned_from_mail'] === '1') {
                    $this->redirectToParentReferer();
                }
                $this->showSearchForm();
                break;
        }

        return true;
    }

    private function redirectToParentReferer(): void
    {
        $url = $this->getStoredReferer();
        $this->unsetStoredReferer();
        $this->ctrl->redirectToURL($url);
    }

    public function storeReferer(): void
    {
        $back_link = $this->ctrl->getParentReturn($this);

        if (isset($this->httpRequest->getServerParams()['HTTP_REFERER'])) {
            $referer = $this->httpRequest->getServerParams()['HTTP_REFERER'];
            $urlParts = parse_url($referer);
            if (is_array($urlParts) && isset($urlParts['path'])) {
                $url = ltrim(basename($urlParts['path']), '/');
                if (isset($urlParts['query'])) {
                    $url .= '?' . $urlParts['query'];
                }
                if ($url !== '') {
                    $back_link = $url;
                }
            }
        }

        ilSession::set('ilMailMemberSearchGUIReferer', $back_link);
    }

    private function getStoredReferer(): string
    {
        return (string) ilSession::get('ilMailMemberSearchGUIReferer');
    }

    private function unsetStoredReferer(): void
    {
        ilSession::set('ilMailMemberSearchGUIReferer', '');
    }

    protected function nextMailForm(): void
    {
        $form = $this->initMailToMembersForm();
        $form = $form->withRequest($this->http->request());
        if (!$form->getError()) {
            $data = $form->getData();

            if (isset($data['mail_member_type']) && $data['mail_member_type'][0] === 'mail_member_roles') {
                if ($data['mail_member_type'][1]) {
                    $role_mail_boxes = [];
                    $roles = $data['mail_member_type'][1];
                    foreach ($roles as $role_id => $enabled) {
                        if ($enabled) {
                            $role_mail_boxes[] = $this->objMailMemberRoles->getMailboxRoleAddress((int) $role_id);
                        }
                    }

                    ilSession::set('mail_roles', $role_mail_boxes);

                    $this->ctrl->redirectToURL(
                        ilMailFormCall::getRedirectTarget(
                            $this,
                            'showSearchForm',
                            ['type' => ilMailFormGUI::MAIL_FORM_TYPE_ROLE],
                            [
                                'type' => ilMailFormGUI::MAIL_FORM_TYPE_ROLE,
                                'rcp_to' => implode(',', $role_mail_boxes),
                                'sig' => $this->gui->createMailSignature()
                            ],
                            $this->generateContextArray()
                        )
                    );
                } else {
                    $this->tpl->setOnScreenMessage('failure', $this->lng->txt('no_checkbox'));
                    $this->showSearchForm($form);

                    return;
                }
            } else {
                $this->showSelectableUsers();

                return;
            }
        }

        $this->showSearchForm($form);
    }

    protected function generateContextArray(): array
    {
        $contextParameters = [];

        $type = ilObject::_lookupType($this->ref_id, true);
        switch ($type) {
            case 'grp':
            case 'crs':
                if ($this->access->checkAccess('write', '', $this->ref_id)) {
                    $contextParameters = [
                        'ref_id' => $this->ref_id,
                        'ts' => time(),
                        ilMail::PROP_CONTEXT_SUBJECT_PREFIX => ilContainer::_lookupContainerSetting(
                            ilObject::_lookupObjId($this->ref_id),
                            ilObjectServiceSettingsGUI::EXTERNAL_MAIL_PREFIX,
                            ''
                        )
                    ];

                    if ('crs' === $type) {
                        $contextParameters[ilMailFormCall::CONTEXT_KEY] = ilCourseMailTemplateTutorContext::ID;
                    }
                }
                break;

            case 'sess':
                if ($this->access->checkAccess('write', '', $this->ref_id)) {
                    $contextParameters = [
                        ilMailFormCall::CONTEXT_KEY => ilSessionMailTemplateParticipantContext::ID,
                        'ref_id' => $this->ref_id,
                        'ts' => time()
                    ];
                }
                break;
        }

        return $contextParameters;
    }

    protected function showSelectableUsers(): void
    {
        $this->tpl->loadStandardTemplate();
        $provider = new ilMailMemberSearchDataProvider($this->getObjParticipants(), $this->ref_id);
        $tbl = new MailMemberSearchTable($this->ref_id, $provider, $this->ctrl, $this->lng, $this->ui_factory, $this->http);

        $this->tpl->setContent($this->ui_renderer->render($tbl->getComponent()));
    }

    protected function sendMailToSelectedUsers(): void
    {
        $selected_user_ids = $this->http->wrapper()->query()->retrieve(
            'contact_search_members_user_ids',
            $this->refinery->byTrying([
                $this->refinery->kindlyTo()->listOf($this->refinery->kindlyTo()->string()),
                $this->refinery->always([])
            ])
        );

        if ((string) current($selected_user_ids) === 'ALL_OBJECTS') {
            $selected_user_ids = [];
            $provider = new ilMailMemberSearchDataProvider($this->getObjParticipants(), $this->ref_id);
            $entries = $provider->getData();

            foreach ($entries as $entry) {
                $selected_user_ids[] = (int) $entry['user_id'];
            }
        } else {
            $selected_user_ids = array_map(intval(...), $selected_user_ids);
        }

        $rcps = [];
        foreach ($selected_user_ids as $usr_id) {
            $rcps[] = ilObjUser::_lookupLogin($usr_id);
        }

        if (array_filter($rcps) === []) {
            $this->tpl->setOnScreenMessage('failure', $this->lng->txt('no_checkbox'));
            $this->showSelectableUsers();
            return;
        }

        ilMailFormCall::setRecipients($rcps);

        $this->ctrl->redirectToURL(
            ilMailFormCall::getRedirectTarget(
                $this,
                'members',
                [],
                [
                    'type' => ilMailFormGUI::MAIL_FORM_TYPE_NEW,
                    'sig' => $this->gui->createMailSignature(),
                ],
                $this->generateContextArray()
            )
        );
    }

    protected function showSearchForm(?StandardForm $form = null): void
    {
        $this->storeReferer();

        if (!$form instanceof StandardForm) {
            $form = $this->initMailToMembersForm();
        }
        $this->tpl->setContent($this->ui_renderer->render($form));
    }

    protected function getObjParticipants(): ?ilParticipants
    {
        return $this->objParticipants;
    }

    public function setObjParticipants(ilParticipants $objParticipants): void
    {
        $this->objParticipants = $objParticipants;
    }

    protected function initMailToMembersForm(): StandardForm
    {
        $this->lng->loadLanguageModule('mail');

        return $this->ui_factory->input()->container()->form()->standard(
            $this->ctrl->getFormAction($this, 'nextMailForm'),
            [
                'mail_member_type' => $this->getMailRadioGroup()
            ]
        );
    }

    private function getMailRoles(): array
    {
        return $this->mail_roles;
    }

    protected function getMailRadioGroup(): ILIAS\UI\Component\Input\Field\SwitchableGroup
    {
        $mail_roles = $this->getMailRoles();

        $sub_items = [];
        $values = [];
        foreach ($mail_roles as $role) {
            $chk_role = $this->ui_factory->input()->field()->checkbox($role['form_option_title'], $role['mailbox']);
            $sub_items[$role['role_id']] = $chk_role;
            if (isset($role['default_checked']) && $role['default_checked']) {
                $values[$role['role_id']] = true;
            } else {
                $values[$role['role_id']] = false;
            }
        }

        return $this->ui_factory->input()->field()->switchableGroup(
            [
                'mail_sel_users' => $this->ui_factory->input()->field()->group([], $this->lng->txt('mail_sel_users')),
                'mail_member_roles' => $this->ui_factory->input()->field()->group(
                    $sub_items,
                    $this->objMailMemberRoles->getRadioOptionTitle()
                )
            ],
            $this->lng->txt('mail_sel_label')
        )->withValue(
            [
                'mail_member_roles',
                $values
            ]
        );
    }
}