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编辑当前文件:/home2/sdektunc/public_html/cepali/mnet/service/enrol/course.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/>.

/**
 * Page to enrol our users into remote courses
 *
 * @package    plugintype
 * @subpackage pluginname
 * @copyright  2010 David Mudrak <david@moodle.com>
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

require(__DIR__.'/../../../config.php');
require_once($CFG->libdir.'/adminlib.php');
require_once($CFG->dirroot.'/mnet/service/enrol/locallib.php');

require_sesskey();

$hostid   = required_param('host', PARAM_INT); // remote host id in our mnet_host table
$courseid = required_param('course', PARAM_INT); // id of the course in our cache table
$usecache = optional_param('usecache', true, PARAM_BOOL); // use cached list of enrolments

admin_externalpage_setup('mnetenrol', '', array('host'=>$hostid, 'course'=>$courseid, 'usecache'=>1, 'sesskey'=>sesskey()),
                         new moodle_url('/mnet/service/enrol/course.php'));

$service = mnetservice_enrol::get_instance();

if (!$service->is_available()) {
    echo $OUTPUT->box(get_string('mnetdisabled','mnet'), 'noticebox');
    echo $OUTPUT->footer();
    die();
}

// remote hosts that may publish remote enrolment service and we are subscribed to it
$hosts = $service->get_remote_publishers();

if (empty($hosts[$hostid])) {
    print_error('wearenotsubscribedtothishost', 'mnetservice_enrol');
}
$host   = $hosts[$hostid];
$course = $DB->get_record('mnetservice_enrol_courses', array('id'=>$courseid, 'hostid'=>$host->id), '*', MUST_EXIST);

echo $OUTPUT->header();

// course name
$icon = $OUTPUT->pix_icon('i/course', get_string('category'));
echo $OUTPUT->heading($icon . s($course->fullname));

// collapsible course summary
if (!empty($course->summary)) {
    $options = new stdClass();
    $options->trusted = false;
    $options->para    = false;
    $options->filter  = false;
    $options->noclean = false;
    $options->overflowdiv = true;
    print_collapsible_region_start('remotecourse summary', 'remotecourse-summary', get_string('coursesummary'), false, true);
    echo format_text($course->summary, $course->summaryformat, $options);
    print_collapsible_region_end();
}

$error = '';

$lastfetchenrolments = get_config('mnetservice_enrol', 'lastfetchenrolments');
if (!$usecache or empty($lastfetchenrolments) or (time()-$lastfetchenrolments > 600)) {
    // fetch fresh data from remote if we just came from the course selection screen
    // or every 10 minutes
    $usecache = false;
    $result = $service->req_course_enrolments($host->id, $course->remoteid, $usecache);
    if ($result !== true) {
        $error .= $service->format_error_message($result);
    }
}

// user selectors
$currentuserselector = new mnetservice_enrol_existing_users_selector('removeselect', array('hostid'=>$host->id, 'remotecourseid'=>$course->remoteid));
$potentialuserselector = new mnetservice_enrol_potential_users_selector('addselect', array('hostid'=>$host->id, 'remotecourseid'=>$course->remoteid));

// process incoming enrol request
if (optional_param('add', false, PARAM_BOOL) && confirm_sesskey()) {
    $userstoassign = $potentialuserselector->get_selected_users();
    if (!empty($userstoassign)) {
        foreach($userstoassign as $adduser) {
            $user = $DB->get_record('user', array('id'=>$adduser->id));
            $result = $service->req_enrol_user($user, $course);
            if ($result !== true) {
                $error .= $service->format_error_message($result);
            }
        }

$potentialuserselector->invalidate_selected_users();
        $currentuserselector->invalidate_selected_users();
    }
}

// process incoming unenrol request
if (optional_param('remove', false, PARAM_BOOL) && confirm_sesskey()) {
    $userstounassign = $currentuserselector->get_selected_users();
    if (!empty($userstounassign)) {
        foreach($userstounassign as $removeuser) {
            $user = $DB->get_record('user', array('id'=>$removeuser->id));
            $result = $service->req_unenrol_user($user, $course);
            if ($result !== true) {
                $error .= $service->format_error_message($result);
            }
        }

$potentialuserselector->invalidate_selected_users();
        $currentuserselector->invalidate_selected_users();
    }
}

if (!empty($error)) {
    echo $OUTPUT->box($error, 'generalbox error');
}

// print form to enrol our students
?>
<form id="assignform" method="post" action="<?php echo $PAGE->url ?>">
<div>
  <input type="hidden" name="sesskey" value="<?php echo sesskey() ?>" />
  <input type="hidden" name="hostid" value="<?php echo $host->id ?>" />
  <input type="hidden" name="courseid" value="<?php echo $course->id ?>" />

<table summary="" class="roleassigntable generaltable generalbox boxaligncenter" cellspacing="0">
    <tr>
      <td id="existingcell">
          <p><label for="removeselect"><?php print_string('enrolledusers', 'enrol'); ?></label></p>
          <?php $currentuserselector->display() ?>
      </td>
      <td id="buttonscell">
          <div id="addcontrols">
              <input name="add" id="add" type="submit" value="<?php echo $OUTPUT->larrow().' '.get_string('add'); ?>" title="<?php print_string('add'); ?>" /><br />

<div class="enroloptions">
                  <p><?php echo get_string('assignrole', 'role') .': '. s($course->rolename); ?></p>
              </div>

</div>

<div id="removecontrols">
              <input name="remove" id="remove" type="submit" value="<?php echo get_string('remove').' '.$OUTPUT->rarrow(); ?>" title="<?php print_string('remove'); ?>" />
          </div>
      </td>
      <td id="potentialcell">
          <p><label for="addselect"><?php print_string('enrolcandidates', 'enrol'); ?></label></p>
          <?php $potentialuserselector->display() ?>
      </td>
    </tr>
  </table>
</div>
</form>
<?php

// eventually display other enrolments of our users (manual, self etc.) in the remote course
list($sort, $params) = users_order_by_sql('u');
$sql = "SELECT e.id,e.enroltype AS plugin, u.firstname, u.lastname, u.email, u.id AS userid,
               e.enroltime AS timemodified, e.rolename
          FROM {mnetservice_enrol_enrolments} e
          JOIN {user} u ON u.id = e.userid
         WHERE e.hostid = :hostid AND e.remotecourseid = :remotecourseid AND e.enroltype != 'mnet'
      ORDER BY $sort";
$params['hostid'] = $host->id;
$params['remotecourseid'] = $course->remoteid;

if ($enrolments = $DB->get_records_sql($sql, $params)) {
    echo $OUTPUT->heading(get_string('otherenrolledusers', 'mnetservice_enrol'), 3);

$table = new html_table();
    $table->attributes['class'] = 'generaltable otherenrolledusers';
    $table->head = array(get_string('fullnameuser'), get_string('role'), get_string('plugin'));
    foreach ($enrolments as $enrolleduser) {
        $table->data[] = array(fullname($enrolleduser), s($enrolleduser->rolename), s($enrolleduser->plugin));
    }
    echo html_writer::table($table);
}

if ($usecache) {
    echo $OUTPUT->single_button(new moodle_url($PAGE->url, array('usecache'=>0, 'sesskey'=>sesskey())),
                                get_string('refetch', 'mnetservice_enrol'), 'get');
}

echo $OUTPUT->single_button(new moodle_url('/mnet/service/enrol/host.php', array('id'=>$host->id)),
                            get_string('availablecourseson', 'mnetservice_enrol', s($host->hostname)), 'get');

echo $OUTPUT->footer();