mirror of
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455 lines
20 KiB
PHP
Executable File
455 lines
20 KiB
PHP
Executable File
<?php
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///////////////////////////////////////////////////////////////////////////
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// //
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// NOTICE OF COPYRIGHT //
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// //
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// Moodle - Modular Object-Oriented Dynamic Learning Environment //
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// http://moodle.org //
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// //
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// Copyright (C) 1999 onwards Martin Dougiamas http://dougiamas.com //
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// //
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// This program is free software; you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation; either version 2 of the License, or //
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// (at your option) any later version. //
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// //
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// This program is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License for more details: //
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// //
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// http://www.gnu.org/copyleft/gpl.html //
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// //
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///////////////////////////////////////////////////////////////////////////
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/**
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* Lets you assign roles to users in a particular context.
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*
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* @license http://www.gnu.org/copyleft/gpl.html GNU Public License
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* @package roles
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*//** */
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require_once(dirname(__FILE__) . '/../../config.php');
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require_once($CFG->dirroot . '/' . $CFG->admin . '/roles/lib.php');
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define("MAX_USERS_TO_LIST_PER_ROLE", 10);
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$contextid = required_param('contextid',PARAM_INT);
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$roleid = optional_param('roleid', 0, PARAM_INT);
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$userid = optional_param('userid', 0, PARAM_INT); // needed for user tabs
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$courseid = optional_param('courseid', 0, PARAM_INT); // needed for user tabs
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$hidden = optional_param('hidden', 0, PARAM_BOOL); // whether this assignment is hidden
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$extendperiod = optional_param('extendperiod', 0, PARAM_INT);
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$extendbase = optional_param('extendbase', 3, PARAM_INT);
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$returnurl = optional_param('returnurl', null, PARAM_LOCALURL);
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$urlparams = array('contextid' => $contextid);
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if (!empty($userid)) {
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$urlparams['userid'] = $userid;
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}
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if ($courseid && $courseid != SITEID) {
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$urlparams['courseid'] = $courseid;
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}
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if ($returnurl) {
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$urlparams['returnurl'] = $returnurl;
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}
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$PAGE->set_url('/admin/roles/assign.php', $urlparams);
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$baseurl = $PAGE->url->out();
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if (! $context = get_context_instance_by_id($contextid)) {
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print_error('wrongcontextid', 'error');
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}
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$isfrontpage = $context->contextlevel == CONTEXT_COURSE && $context->instanceid == SITEID;
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$PAGE->set_context($context);
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$contextname = print_context_name($context);
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$inmeta = 0;
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if ($context->contextlevel == CONTEXT_COURSE) {
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$courseid = $context->instanceid;
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if ($course = $DB->get_record('course', array('id'=>$courseid))) {
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$inmeta = $course->metacourse;
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} else {
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print_error('invalidcourse', 'error');
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}
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} else if (!empty($courseid)){ // we need this for user tabs in user context
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if (!$course = $DB->get_record('course', array('id'=>$courseid))) {
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print_error('invalidcourse', 'error');
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}
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} else {
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$courseid = SITEID;
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$course = clone($SITE);
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}
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/// Check login and permissions.
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require_login($course);
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require_capability('moodle/role:assign', $context);
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/// These are needed early because of tabs.php
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list($assignableroles, $assigncounts, $nameswithcounts) = get_assignable_roles($context, ROLENAME_BOTH, true);
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$overridableroles = get_overridable_roles($context, ROLENAME_BOTH);
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/// Make sure this user can assign this role
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if ($roleid && !isset($assignableroles[$roleid])) {
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$a = new stdClass;
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$a->roleid = $roleid;
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$a->context = $contextname;
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print_error('cannotassignrolehere', '', get_context_url($context), $a);
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}
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/// Get some language strings
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$straction = get_string('assignroles', 'role'); // Used by tabs.php
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/// Work out an appropriate page title.
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if ($roleid) {
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$a = new stdClass;
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$a->role = $assignableroles[$roleid];
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$a->context = $contextname;
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$title = get_string('assignrolenameincontext', 'role', $a);
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} else {
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if ($isfrontpage) {
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$title = get_string('frontpageroles', 'admin');
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} else {
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$title = get_string('assignrolesin', 'role', $contextname);
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}
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}
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/// Build the list of options for the enrolment period dropdown.
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$unlimitedperiod = get_string('unlimited');
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for ($i=1; $i<=365; $i++) {
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$seconds = $i * 86400;
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$periodmenu[$seconds] = get_string('numdays', '', $i);
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}
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/// Work out the apropriate default setting.
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if ($extendperiod) {
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$defaultperiod = $extendperiod;
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} else {
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$defaultperiod = $course->enrolperiod;
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}
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/// Build the list of options for the starting from dropdown.
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$timeformat = get_string('strftimedatefullshort');
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$today = time();
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$today = make_timestamp(date('Y', $today), date('m', $today), date('d', $today), 0, 0, 0);
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// MDL-12420, preventing course start date showing up as an option at system context and front page roles.
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if ($course->startdate > 0) {
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$basemenu[2] = get_string('coursestart') . ' (' . userdate($course->startdate, $timeformat) . ')';
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}
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if ($course->enrollable != 2 || ($course->enrolstartdate == 0 || $course->enrolstartdate <= $today) && ($course->enrolenddate == 0 || $course->enrolenddate > $today)) {
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$basemenu[3] = get_string('today') . ' (' . userdate($today, $timeformat) . ')' ;
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}
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if($course->enrollable == 2) {
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if($course->enrolstartdate > 0) {
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$basemenu[4] = get_string('courseenrolstart') . ' (' . userdate($course->enrolstartdate, $timeformat) . ')';
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}
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if($course->enrolenddate > 0) {
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$basemenu[5] = get_string('courseenrolend') . ' (' . userdate($course->enrolenddate, $timeformat) . ')';
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}
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}
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/// Process any incoming role assignments before printing the header.
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if ($roleid) {
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/// Create the user selector objects.
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$options = array('context' => $context, 'roleid' => $roleid);
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$potentialuserselector = roles_get_potential_user_selector($context, 'addselect', $options);
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if ($context->contextlevel == CONTEXT_SYSTEM && is_admin_role($roleid)) {
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$currentuserselector = new existing_role_holders_site_admin('removeselect', $options);
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} else {
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$currentuserselector = new existing_role_holders('removeselect', $options);
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}
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/// Process incoming role assignments
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$errors = array();
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if (optional_param('add', false, PARAM_BOOL) && confirm_sesskey()) {
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$userstoassign = $potentialuserselector->get_selected_users();
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if (!empty($userstoassign)) {
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foreach ($userstoassign as $adduser) {
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$allow = true;
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if ($inmeta) {
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if (has_capability('moodle/course:managemetacourse', $context, $adduser->id)) {
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//ok
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} else {
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$managerroles = get_roles_with_capability('moodle/course:managemetacourse', CAP_ALLOW, $context);
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if (!empty($managerroles) and !array_key_exists($roleid, $managerroles)) {
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$erruser = $DB->get_record('user', array('id'=>$adduser->id), 'id, firstname, lastname');
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$errors[] = get_string('metaassignerror', 'role', fullname($erruser));
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$allow = false;
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}
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}
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}
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if ($allow) {
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switch($extendbase) {
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case 2:
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$timestart = $course->startdate;
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break;
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case 3:
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$timestart = $today;
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break;
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case 4:
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$timestart = $course->enrolstartdate;
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break;
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case 5:
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$timestart = $course->enrolenddate;
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break;
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}
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if($extendperiod > 0) {
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$timeend = $timestart + $extendperiod;
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} else {
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$timeend = 0;
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}
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if (! role_assign($roleid, $adduser->id, 0, $context->id, $timestart, $timeend, $hidden)) {
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$a = new stdClass;
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$a->role = $assignableroles[$roleid];
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$a->user = fullname($adduser);
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$errors[] = get_string('assignerror', 'role', $a);
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}
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}
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}
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$potentialuserselector->invalidate_selected_users();
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$currentuserselector->invalidate_selected_users();
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$rolename = $assignableroles[$roleid];
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add_to_log($course->id, 'role', 'assign', 'admin/roles/assign.php?contextid='.$context->id.'&roleid='.$roleid, $rolename, '', $USER->id);
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// Counts have changed, so reload.
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list($assignableroles, $assigncounts, $nameswithcounts) = get_assignable_roles($context, ROLENAME_BOTH, true);
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}
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}
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/// Process incoming role unassignments
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if (optional_param('remove', false, PARAM_BOOL) && confirm_sesskey()) {
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$userstounassign = $currentuserselector->get_selected_users();
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if (!empty($userstounassign)) {
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foreach ($userstounassign as $removeuser) {
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if (! role_unassign($roleid, $removeuser->id, 0, $context->id)) {
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$a = new stdClass;
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$a->role = $assignableroles[$roleid];
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$a->user = fullname($removeuser);
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$errors[] = get_string('unassignerror', 'role', $a);
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} else if ($inmeta) {
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sync_metacourse($courseid);
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$newroles = get_user_roles($context, $removeuser->id, false);
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if (empty($newroles) || array_key_exists($roleid, $newroles)) {
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$errors[] = get_string('metaunassignerror', 'role', fullname($removeuser));
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}
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}
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}
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$potentialuserselector->invalidate_selected_users();
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$currentuserselector->invalidate_selected_users();
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$rolename = $assignableroles[$roleid];
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add_to_log($course->id, 'role', 'unassign', 'admin/roles/assign.php?contextid='.$context->id.'&roleid='.$roleid, $rolename, '', $USER->id);
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// Counts have changed, so reload.
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list($assignableroles, $assigncounts, $nameswithcounts) = get_assignable_roles($context, ROLENAME_BOTH, true);
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}
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}
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}
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/// Print the header and tabs
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$PAGE->requires->yui2_lib('dom-event');
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$PAGE->requires->js($CFG->admin . '/roles/roles.js');
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if ($context->contextlevel == CONTEXT_USER) {
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$user = $DB->get_record('user', array('id'=>$userid));
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$fullname = fullname($user, has_capability('moodle/site:viewfullnames', $context));
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/// course header
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$PAGE->set_title($title);
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if ($courseid != SITEID) {
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if (has_capability('moodle/course:viewparticipants', get_context_instance(CONTEXT_COURSE, $courseid))) {
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$PAGE->navbar->add(get_string('participants'), new moodle_url('/user/index.php', array('id'=>$courseid)));
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}
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$PAGE->set_heading($fullname);
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} else {
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$PAGE->set_heading($course->fullname);
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}
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$PAGE->navbar->add($fullname, new moodle_url("$CFG->wwwroot/user/view.php", array('id'=>$userid,'course'=>$courseid)));
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$PAGE->navbar->add($straction);
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echo $OUTPUT->header();
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$showroles = 1;
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$currenttab = 'assign';
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include_once($CFG->dirroot.'/user/tabs.php');
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} else if ($context->contextlevel == CONTEXT_SYSTEM) {
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admin_externalpage_setup('assignroles', '', array('contextid' => $contextid, 'roleid' => $roleid));
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admin_externalpage_print_header();
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} else if ($isfrontpage) {
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admin_externalpage_setup('frontpageroles', '', array('contextid' => $contextid, 'roleid' => $roleid));
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admin_externalpage_print_header();
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$currenttab = 'assign';
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include_once('tabs.php');
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} else {
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$currenttab = 'assign';
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include_once('tabs.php');
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}
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/// Print heading.
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echo $OUTPUT->heading_with_help($title, 'assignroles');
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if ($roleid) {
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/// Show UI for assigning a particular role to users.
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/// Print a warning if we are assigning system roles.
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if ($context->contextlevel == CONTEXT_SYSTEM) {
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echo $OUTPUT->box(get_string('globalroleswarning', 'role'));
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}
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/// Print the form.
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?>
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<form id="assignform" method="post" action="<?php echo $baseurl . '&roleid=' . $roleid ?>"><div>
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<input type="hidden" name="sesskey" value="<?php echo sesskey() ?>" />
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<table summary="" class="roleassigntable generaltable generalbox boxaligncenter" cellspacing="0">
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<tr>
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<td id="existingcell">
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<p><label for="removeselect"><?php print_string('extusers', 'role'); ?></label></p>
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<?php $currentuserselector->display() ?>
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</td>
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<td id="buttonscell">
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<div id="addcontrols">
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<input name="add" id="add" type="submit" value="<?php echo $OUTPUT->larrow().' '.get_string('add'); ?>" title="<?php print_string('add'); ?>" /><br />
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<?php print_collapsible_region_start('', 'assignoptions', get_string('enrolmentoptions', 'role'),
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'assignoptionscollapse', true); ?>
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<p><input type="checkbox" name="hidden" id="hidden" value="1" <?php
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if ($hidden) { echo 'checked="checked" '; } ?>/>
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<label for="hidden" title="<?php print_string('createhiddenassign', 'role'); ?>">
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<?php print_string('hidden', 'role'); ?>
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<?php echo $OUTPUT->help_icon('hiddenassign', get_string('createhiddenassign', 'role')); ?>
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</label></p>
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<p><label for="extendperiod"><?php print_string('enrolperiod') ?></label><br />
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<?php echo $OUTPUT->select(html_select::make($periodmenu, 'extendperiod', $defaultperiod, $unlimitedperiod)); ?></p>
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<p><label for="extendbase"><?php print_string('startingfrom') ?></label><br />
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<?php echo $OUTPUT->select(html_select::make($basemenu, 'extendbase', $extendbase, false)); ?></p>
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<?php print_collapsible_region_end(); ?>
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</div>
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<div id="removecontrols">
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<input name="remove" id="remove" type="submit" value="<?php echo get_string('remove').' '.$OUTPUT->rarrow(); ?>" title="<?php print_string('remove'); ?>" />
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</div>
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</td>
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<td id="potentialcell">
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<p><label for="addselect"><?php print_string('potusers', 'role'); ?></label></p>
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<?php $potentialuserselector->display() ?>
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</td>
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</tr>
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</table>
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</div></form>
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<?php
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$PAGE->requires->js_function_call('init_add_assign_page');
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if (!empty($errors)) {
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$msg = '<p>';
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foreach ($errors as $e) {
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$msg .= $e.'<br />';
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}
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$msg .= '</p>';
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echo $OUTPUT->box_start();
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echo $OUTPUT->notification($msg);
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echo $OUTPUT->box_end();
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}
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/// Print a form to swap roles, and a link back to the all roles list.
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echo '<div class="backlink">';
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$select = html_select::make_popup_form($baseurl, 'roleid', $nameswithcounts, 'switchrole', $roleid);
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$select->set_label(get_string('assignanotherrole', 'role'));
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$select->nothinglabel = false;
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echo $OUTPUT->select($select);
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echo '<p><a href="' . $baseurl . '">' . get_string('backtoallroles', 'role') . '</a></p>';
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echo '</div>';
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} else if (empty($assignableroles)) {
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/// Print a message that there are no roles that can me assigned here.
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echo $OUTPUT->heading(get_string('notabletoassignroleshere', 'role'), 3);
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} else {
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/// Show UI for choosing a role to assign.
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// Print a warning if we are assigning system roles.
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if ($context->contextlevel == CONTEXT_SYSTEM) {
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echo $OUTPUT->box(get_string('globalroleswarning', 'role'));
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}
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// Print instruction
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echo $OUTPUT->heading(get_string('chooseroletoassign', 'role'), 3);
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// sync metacourse enrolments if needed
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if ($inmeta) {
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sync_metacourse($course);
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}
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// Get the names of role holders for roles with between 1 and MAX_USERS_TO_LIST_PER_ROLE users,
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// and so determine whether to show the extra column.
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$roleholdernames = array();
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$strmorethanmax = get_string('morethan', 'role', MAX_USERS_TO_LIST_PER_ROLE);
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$showroleholders = false;
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foreach ($assignableroles as $roleid => $notused) {
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$roleusers = '';
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if (0 < $assigncounts[$roleid] && $assigncounts[$roleid] <= MAX_USERS_TO_LIST_PER_ROLE) {
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$roleusers = get_role_users($roleid, $context, false, 'u.id, u.lastname, u.firstname');
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if (!empty($roleusers)) {
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$strroleusers = array();
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foreach ($roleusers as $user) {
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$strroleusers[] = '<a href="' . $CFG->wwwroot . '/user/view.php?id=' . $user->id . '" >' . fullname($user) . '</a>';
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}
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$roleholdernames[$roleid] = implode('<br />', $strroleusers);
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$showroleholders = true;
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}
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} else if ($assigncounts[$roleid] > MAX_USERS_TO_LIST_PER_ROLE) {
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$roleholdernames[$roleid] = '<a href="'.$baseurl.'&roleid='.$roleid.'">'.$strmorethanmax.'</a>';
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} else {
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$roleholdernames[$roleid] = '';
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}
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}
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// Print overview table
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$table = new html_table();
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$table->tablealign = 'center';
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$table->width = '60%';
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$table->head = array(get_string('role'), get_string('description'), get_string('userswiththisrole', 'role'));
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$table->wrap = array('nowrap', '', 'nowrap');
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$table->align = array('left', 'left', 'center');
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if ($showroleholders) {
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$table->headspan = array(1, 1, 2);
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$table->wrap[] = 'nowrap';
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$table->align[] = 'left';
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}
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foreach ($assignableroles as $roleid => $rolename) {
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$description = format_string($DB->get_field('role', 'description', array('id'=>$roleid)));
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$row = array('<a href="'.$baseurl.'&roleid='.$roleid.'">'.$rolename.'</a>',
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$description, $assigncounts[$roleid]);
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if ($showroleholders) {
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$row[] = $roleholdernames[$roleid];
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}
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$table->data[] = $row;
|
|
}
|
|
|
|
echo $OUTPUT->table($table);
|
|
|
|
if (!$isfrontpage && ($url = get_context_url($context))) {
|
|
echo '<div class="backlink"><a href="' . $url . '">' .
|
|
get_string('backto', '', $contextname) . '</a></div>';
|
|
} else if ($returnurl) {
|
|
echo '<div class="backlink"><a href="' . $CFG->wwwroot . '/' . $returnurl . '">' .
|
|
get_string('backtopageyouwereon') . '</a></div>';
|
|
}
|
|
}
|
|
|
|
echo $OUTPUT->footer();
|