servers.php

<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle 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.
//
// Moodle 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 Moodle.  If not, see <http://www.gnu.org/licenses/>.

require_once(dirname(__FILE__) . '/../../config.php');
require_once(dirname(__FILE__) . '/constants.php');
require_once($CFG->libdir.'/componentlib.class.php');
require_once($CFG->dirroot . PLUGINPATH . 'lib.php');
require_once($CFG->dirroot . PLUGINPATH . 'forms.php');

require_login();
$PAGE->set_context(context_system::instance());
$PAGE->set_url(PLUGINPATH.'servers.php');
$PAGE->set_pagelayout('frontpage');
$PAGE->set_other_editing_capability('moodle/course:manageactivities');
$PAGE->set_title(get_string('pluginname', PLUGINNAME));
$PAGE->set_heading(get_string('oppia_block_export_servers', PLUGINNAME));

echo $OUTPUT->header();

$serverform = new OppiaServerForm();

if ($serverform->is_cancelled()) {
    // Do nothing.
} else if ($fromform = $serverform->get_data()) {
    $record = new stdClass();
    $record->servername = $fromform->server_ref;
    $record->url = trim($fromform->server_url);
    if (!$DB->record_exists('block_oppia_mobile_server', array('url' => $record->url))) {
        $DB->insert_record('block_oppia_mobile_server', $record, false);
    } else {
        echo "<div class='export-error'>".get_string('server_duplicated', PLUGINNAME)."</div>";
    }
}

$delete = optional_param('delete', 0, PARAM_INT);
if ($delete != 0) {
    $DB->delete_records('block_oppia_mobile_server', array('id' => $delete));
}


// Get users current servers.
$servers = get_oppiaservers();

echo "<h2>".get_string('servers_current', PLUGINNAME)."</h2>";

if (count($servers) == 0) {
    echo "<p>".get_string('servers_none', PLUGINNAME)."</p>";
} else {
    echo "<ul>";
    foreach ($servers as $s) {
        echo "<li>";
        echo $s->servername;
        echo " (<a href='".$s->url."' target='_blank'>".$s->url. "</a>)";
        echo " [<a href='?delete=".$s->id."'>". get_string('server_delete', PLUGINNAME)."</a>]";
        echo OPPIA_HTML_LI_END;
    }
    echo "</ul>";
}

echo "<h2>".get_string('servers_add', PLUGINNAME)."</h2>";
$serverform->display();
echo $OUTPUT->footer();