ResultManager/subs/part/admin.php

<?php
/**
 * /subs/admin.php
 * @version 1.4
 * @desc Admin tools
 * @author Fándly Gergő Zoltán (fandlygergo@gmail.hu, systemtest.tk)
 * @copy 2017 Fándly Gergő Zoltán
 * License:
    Result Manager for managing results of students in bilingual school systems.
    Copyright (C) 2017  Fándly Gergő Zoltán

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program 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 should have received a copy of the GNU General Public License
    along with this program.  If not, see <https://www.gnu.org/licenses/>.
 **/

?>

<div class="selfcenter">
    <!-- import users -->
    <div class="dropdown selfcenter" style="width: 95%" id="dd_filter">
        <div class="dropdown header">
            <a onclick="toggleDropdown('#dd_import_content', '#dd_import_img')">
                <img class="icon" src="./res/plus.png" alt="plusminus" id="dd_import_img">
                <span><?php echo $lang['importUsers'] ?></span>
            </a>
        </div>
        <div class="dropdown content" id="dd_import_content">
            <form method="POST" class="ajaxform" id="dd_import_form" onsubmit="adminImportUsers()">
                <p><?php echo $lang['importnotes'] ?></p>
                <input type="file" name="csv" id="csvFile" accept="text/csv" required>
                <hr>
                <button type="submit" form="dd_import_form"><?php echo $lang['ok'] ?></button>
            </form>
            <div id="statuses">
                <div id="status_fileTooBig" style="display: none">
                    <img class="icon" src="./res/remove.png" alt="error">
                    <span><?php echo $lang['error'][11] ?></span>
                </div>
                <div id="status_uploading" style="display: none">
                    <p><?php echo $lang['uploading']."..." ?></p>
                    <div class="progressbar" id="uploadStatus" style="width: 90%; margin: auto">
                        <div style="width: 0%">
                            <span>0%</span>
                        </div>
                    </div>
                </div>
                <div id="status_uploadError" style="display: none">
                    <img class="icon" src="./res/remove.png" alt="error">
                    <span><?php echo $lang['error'][12] ?></span>
                </div>
                <div id="status_processing" style="display: none">
                    <p><?php echo $lang['processing']."..." ?></p>
                    <div class="progressbar" id="processStatus" style="width: 90%; margin: auto">
                        <div style="width: 0%">
                            <span>0%</span>
                        </div>
                    </div>
                </div>
                <div id="status_done" style="display: none">
                    <p><?php echo $lang['importdone'] ?></p>
                </div>
            </div>
        </div>
    </div>
    <hr class="placeholder">
    <!-- database stats -->
    <div class="dropdown selfcenter" style="width: 95%" id="dd_filter">
        <div class="dropdown header">
            <a onclick="toggleDropdown('#dd_dbsize_content', '#dd_dbsize_img')">
                <img class="icon" src="./res/plus.png" alt="plusminus" id="dd_dbsize_img">
                <span><?php echo $lang['dbsize'] ?></span>
            </a>
        </div>
        <div class="dropdown content" id="dd_dbsize_content">
            <table class="table">
                <thead>
                    <tr>
                        <th><?php echo $lang['dbname'] ?></th>
                        <th><?php echo $lang['size'] ?></th>
                    </tr>
                </thead>
                <tbody>
                    <?php
                    $sql=$db->prepare("SELECT table_schema AS dbname, ROUND(SUM(data_length+index_length)/1024/1024, 2) AS size FROM information_schema.tables GROUP BY table_schema");
                    $sql->execute();
                    while($row=$sql->fetch(PDO::FETCH_ASSOC)){
                        echo "
                        <tr>
                            <td>".$row['dbname']."</td>
                            <td>".$row['size']." MB</td>
                        </tr>
                        ";
                    }
                    ?>
                </tbody>
            </table>
        </div>
    </div>
</div>