ajax.php

<?php
// This file is part of Exabis Planning Tool
//
// (c) 2021 GTN - Global Training Network GmbH <office@gtn-solutions.com>
//
// This script is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You can find the GNU General Public License at <http://www.gnu.org/licenses/>.
//
// This copyright notice MUST APPEAR in all copies of the script!

require __DIR__.'/inc.php';

$action = required_param('action', PARAM_TEXT);

//require_login($course); // TODO: needed?
$isAdmin = block_exaplan_is_admin();
$userid = block_exaplan_get_current_user();
$creatorpuserid = getPuser($USER->id)['id'];
require_sesskey();

switch($action) {
    case 'addUserDisiredDate':
            // save student's selected date
            $pUserId = getPuser($userid)['id'];
            $date = optional_param('date', date('Y-m-d'), PARAM_TEXT);
            $modulepartId = required_param('modulepartId', PARAM_INT);
            $dateTS = DateTime::createFromFormat('Y-m-d', $date)->setTime(0, 0)->getTimestamp();
            if ($dateTS < strtotime("today", time())) {
                // selected date must be not in past
                echo 'ERROR';
                exit;
            }
            $middayType = optional_param('middayType', BLOCK_EXAPLAN_MIDDATE_ALL, PARAM_INT);
            $newDateId = setDesiredDate($modulepartId, $pUserId, $dateTS, $middayType, $creatorpuserid);
            $allUserData = block_exaplan_get_data_for_calendar(getPuser($userid)['id'], 'all', $modulepartId);
            echo json_encode($allUserData);
            exit;
            break;
    /*case 'addUserDate': // TODO: deprecated?
        $pUserId = getPuser($USER->id)['id'];
//        $dateId = required_param('dateId', PARAM_INT);
//        $dateId = 1;
        $date = optional_param('date', date('Y-m-d'), PARAM_TEXT);
        $modulepartId = required_param('modulepartId', PARAM_INT);
        $dateTS = DateTime::createFromFormat('Y-m-d', $date)->setTime(0, 0)->getTimestamp();
        if ($dateTS < strtotime("today", time())) {
            // selected date must be not in past
            echo 'ERROR';
            exit;
        }
        $middayType = optional_param('middayType', BLOCK_EXAPLAN_MIDDATE_ALL, PARAM_INT);
        $newDateId = setPrefferedDate($modulepartId, $pUserId, $dateTS, $middayType);
        if ($newDateId != '_NEW' && $newDateId > 0) {
            // add a new relation to existing date
            $newRelation = addPUserToDate($newDateId, $pUserId);
            if ($newRelation != '_NEW' && $newRelation > 0) {
                // delete existing relation. If the user clicked again on the date
                removePUserFromDate($newDateId, $pUserId);
                // if the "date" is empty (no related users) - delete it:
                removeDateIfNoUsers($newDateId);
            }
        }
        $allUserData = block_exaplan_get_calendar_data(getPuser($USER->id)['id']);
        echo json_encode($allUserData);
        exit;
        break;*/
    case 'adminViewModulepartDate':
        // Admin: view selected date for modulepart id
        $isAdmin = block_exaplan_is_admin();
        if (!$isAdmin) {
            echo 'This information is not for you!'; exit;
        }
        $modulepartId = required_param('mpid', PARAM_INT);
        $region = optional_param('region', '', PARAM_TEXT);
        $date = required_param('date', PARAM_TEXT);
        $calendarData = block_exaplan_get_data_for_calendar(null, 'all', $modulepartId, false, $region);
        $result = [
            'calendarData' => $calendarData,
            'htmlContent' => modulepartAdminViewByDate($modulepartId, $date, $region),
        ];
        echo json_encode($result);
        exit;
        break;
}