enrol/users.php

   1 <?php
   2 // This file is part of Moodle - http://moodle.org/
   3 //
   4 // Moodle is free software: you can redistribute it and/or modify
   5 // it under the terms of the GNU General Public License as published by
   6 // the Free Software Foundation, either version 3 of the License, or
   7 // (at your option) any later version.
   8 //
   9 // Moodle is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13 //
  14 // You should have received a copy of the GNU General Public License
  15 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 /**
  18  * Main course enrolment management UI, this is not compatible with frontpage course.
  19  *
  20  * @package    core_enrol
  21  * @copyright  2010 Petr Skoda {@link http://skodak.org}
  22  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23  */
  24
  25 require('../config.php');
  26 require_once("$CFG->dirroot/enrol/locallib.php");
  27 require_once("$CFG->dirroot/enrol/users_forms.php");
  28 require_once("$CFG->dirroot/enrol/renderer.php");
  29 require_once("$CFG->dirroot/group/lib.php");
  30
  31 $id      = required_param('id', PARAM_INT); // course id
  32 $action  = optional_param('action', '', PARAM_ALPHANUMEXT);
  33 $filter  = optional_param('ifilter', 0, PARAM_INT);
  34 $search  = optional_param('search', '', PARAM_RAW);
  35 $role    = optional_param('role', 0, PARAM_INT);
  36 $fgroup  = optional_param('filtergroup', 0, PARAM_INT);
  37 $status  = optional_param('status', -1, PARAM_INT);
  38 $newcourse = optional_param('newcourse', false, PARAM_BOOL);
  39
  40 // When users reset the form, redirect back to first page without other params.
  41 if (optional_param('resetbutton', '', PARAM_RAW) !== '') {
  42     redirect('users.php?id=' . $id . '&newcourse=' . $newcourse);
  43 }
  44
  45 $course = $DB->get_record('course', array('id'=>$id), '*', MUST_EXIST);
  46 $context = context_course::instance($course->id, MUST_EXIST);
  47
  48 if ($course->id == SITEID) {
  49     redirect(new moodle_url('/'));
  50 }
  51
  52 require_login($course);
  53 require_capability('moodle/course:enrolreview', $context);
  54 $PAGE->set_pagelayout('admin');
  55
  56 $manager = new course_enrolment_manager($PAGE, $course, $filter, $role, $search, $fgroup, $status);
  57 $table = new course_enrolment_users_table($manager, $PAGE);
  58 $PAGE->set_url('/enrol/users.php', $manager->get_url_params()+$table->get_url_params()+array('newcourse' => $newcourse));
  59 navigation_node::override_active_url(new moodle_url('/enrol/users.php', array('id' => $id)));
  60
  61 // Check if there is an action to take
  62 if ($action) {
  63
  64     // Check if the page is confirmed (and sesskey is correct)
  65     $confirm = optional_param('confirm', false, PARAM_BOOL) && confirm_sesskey();
  66
  67     $actiontaken = false;
  68     $pagetitle = '';
  69     $pageheading = '';
  70     $mform = null;
  71     $pagecontent = null;
  72
  73     switch ($action) {
  74         /**
  75          * Removes a role from the user with this course
  76          */
  77         case 'unassign':
  78             if (has_capability('moodle/role:assign', $manager->get_context())) {
  79                 $role = required_param('roleid', PARAM_INT);
  80                 $user = required_param('user', PARAM_INT);
  81                 if ($confirm && $manager->unassign_role_from_user($user, $role)) {
  82                     redirect($PAGE->url);
  83                 } else {
  84                     $user = $DB->get_record('user', array('id'=>$user), '*', MUST_EXIST);
  85                     $allroles = $manager->get_all_roles();
  86                     $role = $allroles[$role];
  87                     $yesurl = new moodle_url($PAGE->url, array('action'=>'unassign', 'roleid'=>$role->id, 'user'=>$user->id, 'confirm'=>1, 'sesskey'=>sesskey()));
  88                     $message = get_string('unassignconfirm', 'role', array('user'=>fullname($user, true), 'role'=>$role->localname));
  89                     $pagetitle = get_string('unassignarole', 'role', $role->localname);
  90                     $pagecontent = $OUTPUT->confirm($message, $yesurl, $PAGE->url);
  91                 }
  92                 $actiontaken = true;
  93             }
  94             break;
  95         /**
  96          * Assigns a new role to a user enrolled within this course.
  97          * A user must be enrolled in the course in order for this script to action
  98          */
  99         case 'assign':
 100             $user = $DB->get_record('user', array('id'=>required_param('user', PARAM_INT)), '*', MUST_EXIST);
 101             if (is_enrolled($context, $user) && has_capability('moodle/role:assign', $manager->get_context())) {
 102                 $mform = new enrol_users_assign_form(NULL, array('user'=>$user, 'course'=>$course, 'assignable'=>$manager->get_assignable_roles()));
 103                 $mform->set_data($PAGE->url->params());
 104                 $data = $mform->get_data();
 105                 if ($mform->is_cancelled() || ($data && array_key_exists($data->roleid, $manager->get_assignable_roles()) && $manager->assign_role_to_user($data->roleid, $user->id))) {
 106                     redirect($PAGE->url);
 107                 } else {
 108                     $pagetitle = get_string('assignroles', 'role');
 109                 }
 110                 $actiontaken = true;
 111             }
 112             break;
 113         /**
 114          * Removes the user from the given group
 115          */
 116         case 'removemember':
 117             if (has_capability('moodle/course:managegroups', $manager->get_context())) {
 118                 $groupid = required_param('group', PARAM_INT);
 119                 $userid  = required_param('user', PARAM_INT);
 120                 $user = $DB->get_record('user', array('id'=>$userid), '*', MUST_EXIST);
 121                 if ($confirm && $manager->remove_user_from_group($user, $groupid)) {
 122                     redirect($PAGE->url);
 123                 } else {
 124                     $group = $manager->get_group($groupid);
 125                     if (!$group) {
 126                         break;
 127                     }
 128                     $yesurl = new moodle_url($PAGE->url, array('action'=>'removemember', 'group'=>$groupid, 'user'=>$userid, 'confirm'=>1, 'sesskey'=>sesskey()));
 129                     $message = get_string('removefromgroupconfirm', 'group', array('user'=>fullname($user, true), 'group'=>$group->name));
 130                     $pagetitle = get_string('removefromgroup', 'group', $group->name);
 131                     $pagecontent = $OUTPUT->confirm($message, $yesurl, $PAGE->url);
 132                 }
 133                 $actiontaken = true;
 134             }
 135             break;
 136         /**
 137          * Makes the user a member of a given group
 138          */
 139         case 'addmember':
 140             if (has_capability('moodle/course:managegroups', $manager->get_context())) {
 141                 $userid = required_param('user', PARAM_INT);
 142                 $user = $DB->get_record('user', array('id'=>$userid), '*', MUST_EXIST);
 143
 144                 $mform = new enrol_users_addmember_form(NULL, array('user'=>$user, 'course'=>$course, 'allgroups'=>$manager->get_all_groups()));
 145                 $mform->set_data($PAGE->url->params());
 146                 $data = $mform->get_data();
 147                 if ($mform->is_cancelled()) {
 148                     redirect($PAGE->url);
 149                 } if (!empty($data->groupids)) {
 150                     foreach ($data->groupids as $groupid) {
 151                         $manager->add_user_to_group($user, $groupid);
 152                     }
 153                     redirect($PAGE->url);
 154                 } else {
 155                     $pagetitle = get_string('addgroup', 'group');
 156                 }
 157                 $actiontaken = true;
 158             }
 159             break;
 160     }
 161
 162     // If we took an action display we need to display something special.
 163     if ($actiontaken) {
 164         if (empty($pageheading)) {
 165             $pageheading = $pagetitle;
 166         }
 167         $PAGE->set_title($pagetitle);
 168         $PAGE->set_heading($pageheading);
 169         echo $OUTPUT->header();
 170         echo $OUTPUT->heading(fullname($user));
 171         if (!is_null($mform)) {
 172             $mform->display();
 173         } else {
 174             echo $pagecontent;
 175         }
 176         echo $OUTPUT->footer();
 177         exit;
 178     }
 179 }
 180
 181
 182 $renderer = $PAGE->get_renderer('core_enrol');
 183 $userdetails = array('picture' => false, 'userfullnamedisplay' => false);
 184 // Get all the user names in a reasonable default order.
 185 $allusernames = get_all_user_name_fields(false, null, null, null, true);
 186 // Initialise the variable for the user's names in the table header.
 187 $usernameheader = null;
 188 // Get the alternative full name format for users with the viewfullnames capability.
 189 $fullusernames = $CFG->alternativefullnameformat;
 190 // If fullusernames is empty or accidentally set to language then fall back to default of just first and last name.
 191 if ($fullusernames == 'language' || empty($fullusernames)) {
 192     // Set $a variables to return 'firstname' and 'lastname'.
 193     $a = new stdClass();
 194     $a->firstname = 'firstname';
 195     $a->lastname = 'lastname';
 196     // Getting the fullname display will ensure that the order in the language file is maintained.
 197     $usernameheader = explode(' ', get_string('fullnamedisplay', null, $a));
 198 } else {
 199     // If everything is as expected then put them in the order specified by the alternative full name format setting.
 200     $usernameheader = order_in_string($allusernames, $fullusernames);
 201 }
 202
 203 // Loop through each name and return the language string.
 204 foreach ($usernameheader as $key => $username) {
 205     $userdetails[$username] = get_string($username);
 206 }
 207 $extrafields = get_extra_user_fields($context);
 208 foreach ($extrafields as $field) {
 209     $userdetails[$field] = get_user_field_name($field);
 210 }
 211
 212 $fields = array(
 213     'userdetails' => $userdetails,
 214     'lastcourseaccess' => get_string('lastcourseaccess'),
 215     'role' => get_string('roles', 'role'),
 216     'group' => get_string('groups', 'group'),
 217     'enrol' => get_string('enrolmentinstances', 'enrol')
 218 );
 219
 220 // Remove hidden fields if the user has no access
 221 if (!has_capability('moodle/course:viewhiddenuserfields', $context)) {
 222     $hiddenfields = array_flip(explode(',', $CFG->hiddenuserfields));
 223     if (isset($hiddenfields['lastaccess'])) {
 224         unset($fields['lastcourseaccess']);
 225     }
 226     if (isset($hiddenfields['groups'])) {
 227         unset($fields['group']);
 228     }
 229 }
 230
 231 $filterform = new enrol_users_filter_form('users.php', array('manager' => $manager, 'id' => $id, 'newcourse' => $newcourse),
 232         'get', '', array('id' => 'filterform'));
 233 $filterform->set_data(array('search' => $search, 'ifilter' => $filter, 'role' => $role,
 234     'filtergroup' => $fgroup, 'status' => $status));
 235
 236 $table->set_fields($fields, $renderer);
 237
 238 $canassign = has_capability('moodle/role:assign', $manager->get_context());
 239 $users = $manager->get_users_for_display($manager, $table->sort, $table->sortdirection, $table->page, $table->perpage);
 240 foreach ($users as $userid=>&$user) {
 241     $user['picture'] = $OUTPUT->render($user['picture']);
 242     $user['role'] = $renderer->user_roles_and_actions($userid, $user['roles'], $manager->get_assignable_roles(), $canassign, $PAGE->url);
 243     $user['group'] = $renderer->user_groups_and_actions($userid, $user['groups'], $manager->get_all_groups(), has_capability('moodle/course:managegroups', $manager->get_context()), $PAGE->url);
 244     $user['enrol'] = $renderer->user_enrolments_and_actions($user['enrolments']);
 245 }
 246 $table->set_total_users($manager->get_total_users());
 247 $table->set_users($users);
 248
 249 $PAGE->set_title($PAGE->course->fullname.': '.get_string('totalenrolledusers', 'enrol', $manager->get_total_users()));
 250 $PAGE->set_heading($PAGE->title);
 251
 252 echo $OUTPUT->header();
 253 echo $OUTPUT->heading(get_string('enrolledusers', 'enrol'));
 254 echo $renderer->render_course_enrolment_users_table($table, $filterform);
 255 if ($newcourse == 1) {
 256     echo $OUTPUT->single_button(new moodle_url('/course/view.php', array('id' => $id)),
 257     get_string('proceedtocourse', 'enrol'), 'GET', array('class' => 'enrol-users-page-action'));
 258 }
 259 echo $OUTPUT->footer();