badges/award.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  * Handle manual badge award.
  19  *
  20  * @package    core
  21  * @subpackage badges
  22  * @copyright  2012 onwards Totara Learning Solutions Ltd {@link http://www.totaralms.com/}
  23  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  24  * @author     Yuliya Bozhko <yuliya.bozhko@totaralms.com>
  25  */
  26
  27 require_once(__DIR__ . '/../config.php');
  28 require_once($CFG->libdir . '/badgeslib.php');
  29 require_once($CFG->dirroot . '/badges/lib/awardlib.php');
  30
  31 $badgeid = required_param('id', PARAM_INT);
  32 $role = optional_param('role', 0, PARAM_INT);
  33 $award = optional_param('award', false, PARAM_BOOL);
  34 $revoke = optional_param('revoke', false, PARAM_BOOL);
  35
  36 require_login();
  37
  38 if (empty($CFG->enablebadges)) {
  39     print_error('badgesdisabled', 'badges');
  40 }
  41
  42 $badge = new badge($badgeid);
  43 $context = $badge->get_context();
  44 $isadmin = is_siteadmin($USER);
  45
  46 $navurl = new moodle_url('/badges/index.php', array('type' => $badge->type));
  47
  48 if ($badge->type == BADGE_TYPE_COURSE) {
  49     if (empty($CFG->badges_allowcoursebadges)) {
  50         print_error('coursebadgesdisabled', 'badges');
  51     }
  52     require_login($badge->courseid);
  53     $navurl = new moodle_url('/badges/index.php', array('type' => $badge->type, 'id' => $badge->courseid));
  54     $PAGE->set_pagelayout('standard');
  55     navigation_node::override_active_url($navurl);
  56 } else {
  57     $PAGE->set_pagelayout('admin');
  58     navigation_node::override_active_url($navurl, true);
  59 }
  60
  61 require_capability('moodle/badges:awardbadge', $context);
  62
  63 $url = new moodle_url('/badges/award.php', array('id' => $badgeid, 'role' => $role));
  64 $PAGE->set_url($url);
  65 $PAGE->set_context($context);
  66
  67 // Set up navigation and breadcrumbs.
  68 $strrecipients = get_string('recipients', 'badges');
  69 $PAGE->navbar->add($badge->name, new moodle_url('overview.php', array('id' => $badge->id)))->add($strrecipients);
  70 $PAGE->set_title($strrecipients);
  71 $PAGE->set_heading($badge->name);
  72
  73 if (!$badge->is_active()) {
  74     echo $OUTPUT->header();
  75     echo $OUTPUT->notification(get_string('donotaward', 'badges'));
  76     echo $OUTPUT->footer();
  77     die();
  78 }
  79
  80 $output = $PAGE->get_renderer('core', 'badges');
  81
  82 // Roles that can award this badge.
  83 $acceptedroles = array_keys($badge->criteria[BADGE_CRITERIA_TYPE_MANUAL]->params);
  84
  85 if (empty($acceptedroles)) {
  86     echo $OUTPUT->header();
  87     $return = html_writer::link(new moodle_url('recipients.php', array('id' => $badge->id)), $strrecipients);
  88     echo $OUTPUT->notification(get_string('notacceptedrole', 'badges', $return));
  89     echo $OUTPUT->footer();
  90     die();
  91 }
  92
  93 if (count($acceptedroles) > 1) {
  94     // If there is more than one role that can award a badge, prompt user to make a selection.
  95     // If it is an admin, include all accepted roles, otherwise only the ones that current user has in this context.
  96     if ($isadmin) {
  97         $selection = $acceptedroles;
  98     } else {
  99         // Get all the roles that user has and use the ones required by this badge.
 100         $roles = get_user_roles($context, $USER->id);
 101         $roleids = array_map(create_function('$o', 'return $o->roleid;'), $roles);
 102         $selection = array_intersect($acceptedroles, $roleids);
 103     }
 104
 105     if (!empty($selection)) {
 106         list($usertest, $userparams) = $DB->get_in_or_equal($selection, SQL_PARAMS_NAMED, 'existing', true);
 107         $options = $DB->get_records_sql('SELECT * FROM {role} WHERE id ' . $usertest, $userparams);
 108         foreach ($options as $p) {
 109             $select[$p->id] = role_get_name($p);
 110         }
 111         if (!$role) {
 112             $pageurl = new moodle_url('/badges/award.php', array('id' => $badgeid));
 113             echo $OUTPUT->header();
 114             echo $OUTPUT->box($OUTPUT->single_select(new moodle_url($pageurl), 'role', $select, '', array('' => 'choosedots'),
 115                 null, array('label' => get_string('selectaward', 'badges'))));
 116             echo $OUTPUT->footer();
 117             die();
 118         } else {
 119             $pageurl = new moodle_url('/badges/award.php', array('id' => $badgeid));
 120             $issuerrole = new stdClass();
 121             $issuerrole->roleid = $role;
 122             $roleselect = $OUTPUT->single_select(new moodle_url($pageurl), 'role', $select, $role, null, null,
 123                 array('label' => get_string('selectaward', 'badges')));
 124         }
 125     } else {
 126         echo $OUTPUT->header();
 127         $return = html_writer::link(new moodle_url('recipients.php', array('id' => $badge->id)), $strrecipients);
 128         echo $OUTPUT->notification(get_string('notacceptedrole', 'badges', $return));
 129         echo $OUTPUT->footer();
 130         die();
 131     }
 132 } else {
 133     // User has to be an admin or the one with the required role.
 134     $users = get_role_users($acceptedroles[0], $context, true, 'u.id', 'u.id ASC');
 135     $usersids = array_keys($users);
 136     if (!$isadmin && !in_array($USER->id, $usersids)) {
 137         echo $OUTPUT->header();
 138         $return = html_writer::link(new moodle_url('recipients.php', array('id' => $badge->id)), $strrecipients);
 139         echo $OUTPUT->notification(get_string('notacceptedrole', 'badges', $return));
 140         echo $OUTPUT->footer();
 141         die();
 142     } else {
 143         $issuerrole = new stdClass();
 144         $issuerrole->roleid = $acceptedroles[0];
 145     }
 146 }
 147
 148 $options = array(
 149         'badgeid' => $badge->id,
 150         'context' => $context,
 151         'issuerid' => $USER->id,
 152         'issuerrole' => $issuerrole->roleid
 153         );
 154 $existingselector = new badge_existing_users_selector('existingrecipients', $options);
 155 $recipientselector = new badge_potential_users_selector('potentialrecipients', $options);
 156 $recipientselector->set_existing_recipients($existingselector->find_users(''));
 157
 158 if ($award && data_submitted() && has_capability('moodle/badges:awardbadge', $context)) {
 159     require_sesskey();
 160     $users = $recipientselector->get_selected_users();
 161     foreach ($users as $user) {
 162         if (process_manual_award($user->id, $USER->id, $issuerrole->roleid, $badgeid)) {
 163             // If badge was successfully awarded, review manual badge criteria.
 164             $data = new stdClass();
 165             $data->crit = $badge->criteria[BADGE_CRITERIA_TYPE_MANUAL];
 166             $data->userid = $user->id;
 167             badges_award_handle_manual_criteria_review($data);
 168         } else {
 169             echo $OUTPUT->error_text(get_string('error:cannotawardbadge', 'badges'));
 170         }
 171     }
 172
 173     $recipientselector->invalidate_selected_users();
 174     $existingselector->invalidate_selected_users();
 175     $recipientselector->set_existing_recipients($existingselector->find_users(''));
 176 } else if ($revoke && data_submitted() && has_capability('moodle/badges:revokebadge', $context)) {
 177     require_sesskey();
 178     $users = $existingselector->get_selected_users();
 179
 180     foreach ($users as $user) {
 181         if (!process_manual_revoke($user->id, $USER->id, $issuerrole->roleid, $badgeid)) {
 182             echo $OUTPUT->error_text(get_string('error:cannotrevokebadge', 'badges'));
 183         }
 184     }
 185
 186     $recipientselector->invalidate_selected_users();
 187     $existingselector->invalidate_selected_users();
 188     $recipientselector->set_existing_recipients($existingselector->find_users(''));
 189 }
 190
 191 echo $OUTPUT->header();
 192 echo $OUTPUT->heading($strrecipients);
 193
 194 if (count($acceptedroles) > 1) {
 195     echo $OUTPUT->box($roleselect);
 196 }
 197
 198 echo $output->recipients_selection_form($existingselector, $recipientselector);
 199 echo $OUTPUT->footer();