See Release Notes
Long Term Support Release
Differences Between: [Versions 310 and 401] [Versions 311 and 401] [Versions 39 and 401] [Versions 400 and 401]
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 * User roles report list all the users who have been assigned a particular 19 * role in all contexts. 20 * 21 * @package core_role 22 * @copyright © 2007 The Open University and others 23 * @author t.j.hunt@open.ac.uk and others 24 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later 25 */ 26 27 require_once(__DIR__ . '/../../config.php'); 28 29 // Get params. 30 $userid = required_param('userid', PARAM_INT); 31 $courseid = required_param('courseid', PARAM_INT); 32 33 // Validate them and get the corresponding objects. 34 $user = $DB->get_record('user', array('id' => $userid), '*', MUST_EXIST); 35 $course = $DB->get_record('course', array('id' => $courseid), '*', MUST_EXIST); 36 37 $usercontext = context_user::instance($user->id); 38 $coursecontext = context_course::instance($course->id); 39 $systemcontext = context_system::instance(); 40 41 $baseurl = new moodle_url('/admin/roles/usersroles.php', array('userid'=>$userid, 'courseid'=>$courseid)); 42 43 $PAGE->set_url($baseurl); 44 $PAGE->set_pagelayout('admin'); 45 46 // Check login and permissions. 47 if ($course->id == SITEID) { 48 require_login(null, false); 49 $PAGE->set_context($usercontext); 50 } else { 51 require_login($course); 52 $PAGE->set_context($coursecontext); 53 } 54 55 $canview = has_any_capability(array('moodle/role:assign', 'moodle/role:safeoverride', 56 'moodle/role:override', 'moodle/role:manage'), $usercontext); 57 if (!$canview) { 58 throw new \moodle_exception('nopermissions', 'error', '', get_string('checkpermissions', 'core_role')); 59 } 60 61 if ($userid != $USER->id) { 62 // If its not the current user we need to extend the navigation for that user to ensure 63 // their navigation is loaded and this page found upon it. 64 $PAGE->navigation->extend_for_user($user); 65 } 66 if ($course->id != $SITE->id || $userid != $USER->id) { 67 // If we're within a course OR if we're viewing another user then we need to include the 68 // settings base on the navigation to ensure that the navbar will contain the users name. 69 $PAGE->navbar->includesettingsbase = true; 70 } 71 72 // Now get the role assignments for this user. 73 $sql = "SELECT ra.id, ra.userid, ra.contextid, ra.roleid, ra.component, ra.itemid, c.path 74 FROM {role_assignments} ra 75 JOIN {context} c ON ra.contextid = c.id 76 JOIN {role} r ON ra.roleid = r.id 77 WHERE ra.userid = ? 78 ORDER BY contextlevel DESC, contextid ASC, r.sortorder ASC"; 79 $roleassignments = $DB->get_records_sql($sql, array($user->id)); 80 81 $allroles = role_fix_names(get_all_roles()); 82 83 // In order to display a nice tree of contexts, we need to get all the 84 // ancestors of all the contexts in the query we just did. 85 $requiredcontexts = array(); 86 foreach ($roleassignments as $ra) { 87 $requiredcontexts = array_merge($requiredcontexts, explode('/', trim($ra->path, '/'))); 88 } 89 $requiredcontexts = array_unique($requiredcontexts); 90 91 // Now load those contexts. 92 if ($requiredcontexts) { 93 list($sqlcontexttest, $contextparams) = $DB->get_in_or_equal($requiredcontexts); 94 $contexts = get_sorted_contexts('ctx.id ' . $sqlcontexttest, $contextparams); 95 } else { 96 $contexts = array(); 97 } 98 99 // Prepare some empty arrays to hold the data we are about to compute. 100 foreach ($contexts as $conid => $con) { 101 $contexts[$conid]->children = array(); 102 $contexts[$conid]->roleassignments = array(); 103 } 104 105 // Put the contexts into a tree structure. 106 foreach ($contexts as $conid => $con) { 107 $context = context::instance_by_id($conid); 108 $parentcontext = $context->get_parent_context(); 109 if ($parentcontext) { 110 $contexts[$parentcontext->id]->children[] = $conid; 111 } 112 } 113 114 // Put the role capabilities into the context tree. 115 foreach ($roleassignments as $ra) { 116 $contexts[$ra->contextid]->roleassignments[$ra->roleid] = $ra; 117 } 118 119 $assignableroles = get_assignable_roles($usercontext, ROLENAME_BOTH); 120 $overridableroles = get_overridable_roles($usercontext, ROLENAME_BOTH); 121 122 // Print the header. 123 $fullname = fullname($user, has_capability('moodle/site:viewfullnames', $coursecontext)); 124 $straction = get_string('thisusersroles', 'core_role'); 125 $title = get_string('xroleassignments', 'core_role', $fullname); 126 127 // Course header. 128 $PAGE->set_title($title); 129 if ($courseid == SITEID) { 130 $PAGE->set_heading($fullname); 131 } else { 132 $PAGE->set_heading($course->fullname.': '.$fullname); 133 } 134 echo $OUTPUT->header(); 135 echo $OUTPUT->heading($title); 136 echo $OUTPUT->box_start('generalbox boxaligncenter boxwidthnormal'); 137 138 // Display them. 139 if (!$roleassignments) { 140 echo '<p>', get_string('noroleassignments', 'core_role'), '</p>'; 141 } else { 142 print_report_tree($systemcontext->id, $contexts, $systemcontext, $fullname, $allroles); 143 } 144 145 // End of page. 146 echo $OUTPUT->box_end(); 147 echo $OUTPUT->footer(); 148 149 function print_report_tree($contextid, $contexts, $systemcontext, $fullname, $allroles) { 150 global $CFG, $OUTPUT; 151 152 // Only compute lang strings, etc once. 153 static $stredit = null, $strcheckpermissions, $globalroleassigner, $assignurl, $checkurl; 154 if (is_null($stredit)) { 155 $stredit = get_string('edit'); 156 $strcheckpermissions = get_string('checkpermissions', 'core_role'); 157 $globalroleassigner = has_capability('moodle/role:assign', $systemcontext); 158 $assignurl = $CFG->wwwroot . '/' . $CFG->admin . '/roles/assign.php'; 159 $checkurl = $CFG->wwwroot . '/' . $CFG->admin . '/roles/check.php'; 160 } 161 162 // Pull the current context into an array for convenience. 163 $context = context::instance_by_id($contextid); 164 165 // Print the context name. 166 echo $OUTPUT->heading(html_writer::link($context->get_url(), $context->get_context_name()), 167 4, 'contextname'); 168 169 // If there are any role assignments here, print them. 170 foreach ($contexts[$contextid]->roleassignments as $ra) { 171 $role = $allroles[$ra->roleid]; 172 173 $value = $ra->contextid . ',' . $ra->roleid; 174 $inputid = 'unassign' . $value; 175 176 echo '<p>'; 177 echo $role->localname; 178 if (has_capability('moodle/role:assign', $context)) { 179 $raurl = $assignurl . '?contextid=' . $ra->contextid . '&roleid=' . 180 $ra->roleid . '&removeselect[]=' . $ra->userid; 181 $churl = $checkurl . '?contextid=' . $ra->contextid . '&reportuser=' . $ra->userid; 182 if ($context->contextlevel == CONTEXT_USER) { 183 $raurl .= '&userid=' . $context->instanceid; 184 $churl .= '&userid=' . $context->instanceid; 185 } 186 $a = new stdClass; 187 $a->fullname = $fullname; 188 $a->contextlevel = $context->get_level_name(); 189 if ($context->contextlevel == CONTEXT_SYSTEM) { 190 $strgoto = get_string('gotoassignsystemroles', 'core_role'); 191 $strcheck = get_string('checksystempermissionsfor', 'core_role', $a); 192 } else { 193 $strgoto = get_string('gotoassignroles', 'core_role', $a); 194 $strcheck = get_string('checkuserspermissionshere', 'core_role', $a); 195 } 196 echo ' <a title="' . $strgoto . '" href="' . $raurl . '">' . $OUTPUT->pix_icon('t/edit', $stredit) . '</a> '; 197 echo ' <a title="' . $strcheck . '" href="' . $churl . '">' . $OUTPUT->pix_icon('t/preview', $strcheckpermissions) . '</a> '; 198 echo "</p>\n"; 199 } 200 } 201 202 // If there are any child contexts, print them recursively. 203 if (!empty($contexts[$contextid]->children)) { 204 echo '<ul>'; 205 foreach ($contexts[$contextid]->children as $childcontextid) { 206 echo '<li>'; 207 print_report_tree($childcontextid, $contexts, $systemcontext, $fullname, $allroles); 208 echo '</li>'; 209 } 210 echo '</ul>'; 211 } 212 }
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