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<?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/>.
/**
* Lists all the users within a given course.
*
* @copyright 1999 Martin Dougiamas http://dougiamas.com
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
* @package core_user
*/
require_once('../config.php');
require_once($CFG->dirroot.'/user/lib.php');
require_once($CFG->dirroot.'/course/lib.php');
require_once($CFG->dirroot.'/notes/lib.php');
require_once($CFG->libdir.'/tablelib.php');
require_once($CFG->libdir.'/filelib.php');
require_once($CFG->dirroot.'/enrol/locallib.php');
use core_table\local\filter\filter;
use core_table\local\filter\integer_filter;
use core_table\local\filter\string_filter;
define('DEFAULT_PAGE_SIZE', 20);
define('SHOW_ALL_PAGE_SIZE', 5000);
$page = optional_param('page', 0, PARAM_INT); // Which page to show.
$perpage = optional_param('perpage', DEFAULT_PAGE_SIZE, PARAM_INT); // How many per page.
$contextid = optional_param('contextid', 0, PARAM_INT); // One of this or.
$courseid = optional_param('id', 0, PARAM_INT); // This are required.
$newcourse = optional_param('newcourse', false, PARAM_BOOL);
$roleid = optional_param('roleid', 0, PARAM_INT);
$urlgroupid = optional_param('group', 0, PARAM_INT);
$PAGE->set_url('/user/index.php', array(
'page' => $page,
'perpage' => $perpage,
'contextid' => $contextid,
'id' => $courseid,
'newcourse' => $newcourse));
if ($contextid) {
$context = context::instance_by_id($contextid, MUST_EXIST);
if ($context->contextlevel != CONTEXT_COURSE) {
print_error('invalidcontext');
}
$course = $DB->get_record('course', array('id' => $context->instanceid), '*', MUST_EXIST);
} else {
$course = $DB->get_record('course', array('id' => $courseid), '*', MUST_EXIST);
$context = context_course::instance($course->id, MUST_EXIST);
}
// Not needed anymore.
unset($contextid);
unset($courseid);
require_login($course);
$systemcontext = context_system::instance();
$isfrontpage = ($course->id == SITEID);
$frontpagectx = context_course::instance(SITEID);
if ($isfrontpage) {
$PAGE->set_pagelayout('admin');
course_require_view_participants($systemcontext);
} else {
$PAGE->set_pagelayout('incourse');
course_require_view_participants($context);
}
// Trigger events.
user_list_view($course, $context);
$bulkoperations = has_capability('moodle/course:bulkmessaging', $context);
$PAGE->set_title("$course->shortname: ".get_string('participants'));
$PAGE->set_heading($course->fullname);
$PAGE->set_pagetype('course-view-' . $course->format);
$PAGE->add_body_class('path-user'); // So we can style it independently.
$PAGE->set_other_editing_capability('moodle/course:manageactivities');
// Expand the users node in the settings navigation when it exists because those pages
// are related to this one.
$node = $PAGE->settingsnav->find('users', navigation_node::TYPE_CONTAINER);
if ($node) {
$node->force_open();
}
echo $OUTPUT->header();
echo $OUTPUT->heading(get_string('participants'));
$filterset = new \core_user\table\participants_filterset();
$filterset->add_filter(new integer_filter('courseid', filter::JOINTYPE_DEFAULT, [(int)$course->id]));
$participanttable = new \core_user\table\participants("user-index-participants-{$course->id}");
$canaccessallgroups = has_capability('moodle/site:accessallgroups', $context);
$filtergroupids = $urlgroupid ? [$urlgroupid] : [];
// Force group filtering if user should only see a subset of groups' users.
if ($course->groupmode != NOGROUPS && !$canaccessallgroups) {
if ($filtergroupids) {
$filtergroupids = array_intersect(
$filtergroupids,
array_keys(groups_get_all_groups($course->id, $USER->id))
);
} else {
$filtergroupids = array_keys(groups_get_all_groups($course->id, $USER->id));
}
if (empty($filtergroupids)) {
if ($course->groupmode == SEPARATEGROUPS) {
// The user is not in a group so show message and exit.
echo $OUTPUT->notification(get_string('notingroup'));
echo $OUTPUT->footer();
exit();
} else {
$filtergroupids = [(int) groups_get_course_group($course, true)];
}
}
}
// Apply groups filter if included in URL or forced due to lack of capabilities.
if (!empty($filtergroupids)) {
$filterset->add_filter(new integer_filter('groups', filter::JOINTYPE_DEFAULT, $filtergroupids));
}
// Display single group information if requested in the URL.
if ($urlgroupid > 0 && ($course->groupmode != SEPARATEGROUPS || $canaccessallgroups)) {
$grouprenderer = $PAGE->get_renderer('core_group');
$groupdetailpage = new \core_group\output\group_details($urlgroupid);
echo $grouprenderer->group_details($groupdetailpage);
}
// Filter by role if passed via URL (used on profile page).
if ($roleid) {
$viewableroles = get_profile_roles($context);
// Apply filter if the user can view this role.
if (array_key_exists($roleid, $viewableroles)) {
$filterset->add_filter(new integer_filter('roles', filter::JOINTYPE_DEFAULT, [$roleid]));
}
}
// Manage enrolments.
$manager = new course_enrolment_manager($PAGE, $course);
$enrolbuttons = $manager->get_manual_enrol_buttons();
$enrolrenderer = $PAGE->get_renderer('core_enrol');
$enrolbuttonsout = '';
foreach ($enrolbuttons as $enrolbutton) {
$enrolbuttonsout .= $enrolrenderer->render($enrolbutton);
}
echo html_writer::div($enrolbuttonsout, 'd-flex justify-content-end', [
'data-region' => 'wrapper',
'data-table-uniqueid' => $participanttable->uniqueid,
]);
// Render the user filters.
$userrenderer = $PAGE->get_renderer('core_user');
echo $userrenderer->participants_filter($context, $participanttable->uniqueid);
echo '<div class="userlist">';
// Do this so we can get the total number of rows.
ob_start();
$participanttable->set_filterset($filterset);
$participanttable->out($perpage, true);
$participanttablehtml = ob_get_contents();
ob_end_clean();
echo html_writer::start_tag('form', [
'action' => 'action_redir.php',
'method' => 'post',
'id' => 'participantsform',
'data-course-id' => $course->id,
'data-table-unique-id' => $participanttable->uniqueid,
'data-table-default-per-page' => ($perpage < DEFAULT_PAGE_SIZE) ? $perpage : DEFAULT_PAGE_SIZE,
]);
echo '<div>';
echo '<input type="hidden" name="sesskey" value="'.sesskey().'" />';
echo '<input type="hidden" name="returnto" value="'.s($PAGE->url->out(false)).'" />';
echo html_writer::tag(
'p',
get_string('countparticipantsfound', 'core_user', $participanttable->totalrows),
[
'data-region' => 'participant-count',
]
);
echo $participanttablehtml;
$perpageurl = new moodle_url('/user/index.php', [
'contextid' => $context->id,
'id' => $course->id,
]);
$perpagesize = DEFAULT_PAGE_SIZE;
$perpagevisible = false;
$perpagestring = '';
if ($perpage == SHOW_ALL_PAGE_SIZE && $participanttable->totalrows > DEFAULT_PAGE_SIZE) {
$perpageurl->param('perpage', $participanttable->totalrows);
$perpagesize = SHOW_ALL_PAGE_SIZE;
$perpagevisible = true;
$perpagestring = get_string('showperpage', '', DEFAULT_PAGE_SIZE);
} else if ($participanttable->get_page_size() < $participanttable->totalrows) {
$perpageurl->param('perpage', SHOW_ALL_PAGE_SIZE);
$perpagesize = SHOW_ALL_PAGE_SIZE;
$perpagevisible = true;
$perpagestring = get_string('showall', '', $participanttable->totalrows);
}
$perpageclasses = '';
if (!$perpagevisible) {
$perpageclasses = 'hidden';
}
echo $OUTPUT->container(html_writer::link(
$perpageurl,
$perpagestring,
[
'data-action' => 'showcount',
'data-target-page-size' => $perpagesize,
'class' => $perpageclasses,
]
), [], 'showall');
$bulkoptions = (object) [
'uniqueid' => $participanttable->uniqueid,
];
if ($bulkoperations) {
echo '<br /><div class="buttons"><div class="form-inline">';
echo html_writer::start_tag('div', array('class' => 'btn-group'));
if ($participanttable->get_page_size() < $participanttable->totalrows) {
// Select all users, refresh table showing all users and mark them all selected.
$label = get_string('selectalluserswithcount', 'moodle', $participanttable->totalrows);
echo html_writer::empty_tag('input', [
'type' => 'button',
'id' => 'checkall',
'class' => 'btn btn-secondary',
'value' => $label,
'data-target-page-size' => $participanttable->totalrows,
]);
}
echo html_writer::end_tag('div');
$displaylist = array();
if (!empty($CFG->messaging) && has_all_capabilities(['moodle/site:sendmessage', 'moodle/course:bulkmessaging'], $context)) {
$displaylist['#messageselect'] = get_string('messageselectadd');
}
if (!empty($CFG->enablenotes) && has_capability('moodle/notes:manage', $context) && $context->id != $frontpagectx->id) {
$displaylist['#addgroupnote'] = get_string('addnewnote', 'notes');
}
$params = ['operation' => 'download_participants'];
$downloadoptions = [];
$formats = core_plugin_manager::instance()->get_plugins_of_type('dataformat');
foreach ($formats as $format) {
if ($format->is_enabled()) {
$params = ['operation' => 'download_participants', 'dataformat' => $format->name];
$url = new moodle_url('bulkchange.php', $params);
$downloadoptions[$url->out(false)] = get_string('dataformat', $format->component);
}
}
if (!empty($downloadoptions)) {
$displaylist[] = [get_string('downloadas', 'table') => $downloadoptions];
}
if ($context->id != $frontpagectx->id) {
$instances = $manager->get_enrolment_instances();
$plugins = $manager->get_enrolment_plugins(false);
foreach ($instances as $key => $instance) {
if (!isset($plugins[$instance->enrol])) {
// Weird, some broken stuff in plugin.
continue;
}
$plugin = $plugins[$instance->enrol];
$bulkoperations = $plugin->get_bulk_operations($manager);
$pluginoptions = [];
foreach ($bulkoperations as $key => $bulkoperation) {
$params = ['plugin' => $plugin->get_name(), 'operation' => $key];
$url = new moodle_url('bulkchange.php', $params);
$pluginoptions[$url->out(false)] = $bulkoperation->get_title();
}
if (!empty($pluginoptions)) {
$name = get_string('pluginname', 'enrol_' . $plugin->get_name());
$displaylist[] = [$name => $pluginoptions];
}
}
}
$selectactionparams = array(
'id' => 'formactionid',
'class' => 'ml-2',
'data-action' => 'toggle',
'data-togglegroup' => 'participants-table',
'data-toggle' => 'action',
'disabled' => 'disabled'
);
$label = html_writer::tag('label', get_string("withselectedusers"),
['for' => 'formactionid', 'class' => 'col-form-label d-inline']);
$select = html_writer::select($displaylist, 'formaction', '', ['' => 'choosedots'], $selectactionparams);
echo html_writer::tag('div', $label . $select);
echo '<input type="hidden" name="id" value="' . $course->id . '" />';
echo '<div class="d-none" data-region="state-help-icon">' . $OUTPUT->help_icon('publishstate', 'notes') . '</div>';
echo '</div></div></div>';
$bulkoptions->noteStateNames = note_get_state_names();
}
echo '</form>';
$PAGE->requires->js_call_amd('core_user/participants', 'init', [$bulkoptions]);
echo '</div>'; // Userlist.
$enrolrenderer = $PAGE->get_renderer('core_enrol');
// Need to re-generate the buttons to avoid having elements with duplicate ids on the page.
$enrolbuttons = $manager->get_manual_enrol_buttons();
$enrolbuttonsout = '';
foreach ($enrolbuttons as $enrolbutton) {
$enrolbuttonsout .= $enrolrenderer->render($enrolbutton);
}
echo html_writer::div($enrolbuttonsout, 'd-flex justify-content-end', [
'data-region' => 'wrapper',
'data-table-uniqueid' => $participanttable->uniqueid,
]);
if ($newcourse == 1) {
$str = get_string('proceedtocourse', 'enrol');
// The margin is to make it line up with the enrol users button when they are both on the same line.
$classes = 'my-1';
$url = course_get_url($course);
echo $OUTPUT->single_button($url, $str, 'GET', array('class' => $classes));
}
echo $OUTPUT->footer();