mirror of
https://github.com/moodle/moodle.git
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279 lines
11 KiB
PHP
Executable File
279 lines
11 KiB
PHP
Executable File
<?php // $Id$
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// Script to assign users to contexts
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require_once('../../config.php');
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require_once($CFG->dirroot.'/mod/forum/lib.php');
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require_once($CFG->libdir.'/adminlib.php');
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define("MAX_USERS_PER_PAGE", 5000);
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$contextid = required_param('contextid',PARAM_INT); // context id
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$roleid = optional_param('roleid', 0, PARAM_INT); // required role id
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$add = optional_param('add', 0, PARAM_BOOL);
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$remove = optional_param('remove', 0, PARAM_BOOL);
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$showall = optional_param('showall', 0, PARAM_BOOL);
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$searchtext = optional_param('searchtext', '', PARAM_RAW); // search string
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$previoussearch = optional_param('previoussearch', 0, PARAM_BOOL);
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$hidden = optional_param('hidden', 0, PARAM_BOOL); // whether this assignment is hidden
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$timestart = optional_param('timestart', 0, PARAM_INT);
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$timeend = optional_param('timened', 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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$errors = array();
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$previoussearch = ($searchtext != '') or ($previoussearch) ? 1:0;
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$baseurl = 'assign.php?contextid='.$contextid;
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if (!empty($userid)) {
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$baseurl .= '&userid='.$userid;
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}
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if (!empty($courseid)) {
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$baseurl .= '&courseid='.$courseid;
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}
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if (! $context = get_context_instance_by_id($contextid)) {
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error("Context ID was incorrect (can't find it)");
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}
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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 = get_record('course', 'id', $courseid)) {
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$inmeta = $course->metacourse;
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} else {
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error('Invalid course id');
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}
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} else if (!empty($courseid)){ // we need this for user tabs in user context
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if (!$course = get_record('course', 'id', $courseid)) {
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error('Invalid course id');
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}
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} else {
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$courseid = SITEID;
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$course = get_site();
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}
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if ($context->contextlevel == CONTEXT_COURSE) {
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require_login($context->instanceid);
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} else {
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require_login();
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}
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require_capability('moodle/role:assign', $context);
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$assignableroles = get_assignable_roles($context);
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/// Get some language strings
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$strassignusers = get_string('assignusers', 'role');
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$strpotentialusers = get_string('potentialusers', 'role');
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$strexistingusers = get_string('existingusers', 'role');
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$straction = get_string('assignroles', 'role');
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$strroletoassign = get_string('roletoassign', 'role');
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$strcurrentcontext = get_string('currentcontext', 'role');
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$strsearch = get_string('search');
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$strshowall = get_string('showall');
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$strparticipants = get_string('participants');
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$strsearchresults = get_string('searchresults');
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/// Make sure this user can assign that role
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if ($roleid) {
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if (!user_can_assign($context, $roleid)) {
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error ('you can not override this role in this context');
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}
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}
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if ($userid) {
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$user = get_record('user', 'id', $userid);
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$fullname = fullname($user, has_capability('moodle/site:viewfullnames', $context));
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}
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/// Print the header and tabs
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if ($context->contextlevel == CONTEXT_USER) {
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/// course header
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if ($courseid != SITEID) {
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print_header("$fullname", "$fullname",
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"<a href=\"$CFG->wwwroot/course/view.php?id=$course->id\">$course->shortname</a> ->
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<a href=\"$CFG->wwwroot/user/index.php?id=$course->id\">$strparticipants</a> -> <a href=\"$CFG->wwwroot/user/view.php?id=$userid&course=$courseid\">$fullname</a> ->".$straction,
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"", "", true, " ", navmenu($course));
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/// site header
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} else {
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print_header("$course->fullname: $fullname", "$course->fullname",
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"<a href=\"$CFG->wwwroot/user/view.php?id=$userid&course=$courseid\">$fullname</a> -> $straction", "", "", true, " ", navmenu($course));
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}
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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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$adminroot = admin_get_root();
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admin_externalpage_setup('assignroles', $adminroot);
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admin_externalpage_print_header($adminroot);
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} else {
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$currenttab = '';
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$tabsmode = 'assign';
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include_once('tabs.php');
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}
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/// Process incoming role assignment
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if ($frm = data_submitted()) {
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if ($add and !empty($frm->addselect) and confirm_sesskey()) {
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$timemodified = time();
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foreach ($frm->addselect as $adduser) {
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if (!$adduser = clean_param($adduser, PARAM_INT)) {
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continue;
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}
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$allow = true;
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if ($inmeta) {
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if (has_capability('moodle/course:managemetacourse', $context, $adduser)) {
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//ok
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} else {
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$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 = get_record('user', 'id', $adduser, '','','','', 'id, firstname, lastname');
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$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 ($allow) {
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if (! role_assign($roleid, $adduser, 0, $context->id, $timestart, $timeend, $hidden)) {
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$errors[] = "Could not add user with id $adduser to this role!";
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}
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}
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}
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} else if ($remove and !empty($frm->removeselect) and confirm_sesskey()) {
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$sitecontext = get_context_instance(CONTEXT_SYSTEM);
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$topleveladmin = false;
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// we only worry about this if the role has doanything capability at site level
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if ($adminroles = get_roles_with_capability('moodle/site:doanything', CAP_ALLOW, $sitecontext)) {
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foreach ($adminroles as $adminrole) {
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if ($adminrole->id == $roleid) {
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$topleveladmin = true;
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}
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}
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}
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foreach ($frm->removeselect as $removeuser) {
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$removeuser = clean_param($removeuser, PARAM_INT);
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if ($topleveladmin && ($removeuser == $USER->id)) { // Prevent unassigning oneself from being admin
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continue;
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}
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if (! role_unassign($roleid, $removeuser, 0, $context->id)) {
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$errors[] = "Could not remove user with id $removeuser from this role!";
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} else if ($inmeta) {
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sync_metacourse($courseid);
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$newroles = get_user_roles($context, $removeuser, false);
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if (!empty($newroles) and !array_key_exists($roleid, $newroles)) {
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$erruser = get_record('user', 'id', $removeuser, '','','','', 'id, firstname, lastname');
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$errors[] = get_string('metaunassignerror', '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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} else if ($showall) {
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$searchtext = '';
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$previoussearch = 0;
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}
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}
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print_heading_with_help(get_string('assignroles', 'role'), 'assignroles');
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if ($roleid) { /// prints a form to swap roles
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/// Get all existing participants in this context.
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// Why is this not done with get_users???
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if (!$contextusers = get_role_users($roleid, $context, false, 'u.id, u.firstname, u.lastname, u.email, r.hidden')) {
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$contextusers = array();
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}
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$select = "username <> 'guest' AND username <> 'changeme' AND deleted = 0 AND confirmed = 1";
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$usercount = count_records_select('user', $select) - count($contextusers);
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$searchtext = trim($searchtext);
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if ($searchtext !== '') { // Search for a subset of remaining users
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$LIKE = sql_ilike();
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$FULLNAME = sql_fullname();
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$select .= " AND ($FULLNAME $LIKE '%$searchtext%' OR email $LIKE '%$searchtext%') ";
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}
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$availableusers = get_recordset_sql('SELECT id, firstname, lastname, email
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FROM '.$CFG->prefix.'user
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WHERE '.$select.'
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ORDER BY lastname ASC, firstname ASC');
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/// In the .html file below we loop through these results and exclude any in $contextusers
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echo '<div align="center">'.$strcurrentcontext.': '.print_context_name($context).'<br/>';
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echo '<label for="jump">'.$strroletoassign.'</label>: ';
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$assignableroles = array('0'=>get_string('listallroles', 'role').'...') + $assignableroles;
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popup_form("$CFG->wwwroot/$CFG->admin/roles/assign.php?userid=$userid&courseid=$courseid&contextid=$contextid&roleid=",
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$assignableroles, 'switchrole', $roleid, '');
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echo '</div>';
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print_simple_box_start('center');
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include('assign.html');
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print_simple_box_end();
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if (!empty($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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print_simple_box_start('center');
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notify($msg);
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print_simple_box_end();
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}
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} else { // Print overview table
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// sync metacourse enrolments if needed
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if ($inmeta) {
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sync_metacourse($course);
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}
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$table->tablealign = 'center';
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$table->cellpadding = 5;
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$table->cellspacing = 0;
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$table->width = '60%';
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$table->head = array(get_string('roles', 'role'), get_string('description'), get_string('users'));
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$table->wrap = array('nowrap', '', 'nowrap');
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$table->align = array('right', 'left', 'center');
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foreach ($assignableroles as $roleid => $rolename) {
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$countusers = count_role_users($roleid, $context);
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$description = format_string(get_field('role', 'description', 'id', $roleid));
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$table->data[] = array('<a href="'.$baseurl.'&roleid='.$roleid.'">'.$rolename.'</a>',$description, $countusers);
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}
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print_table($table);
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}
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if ($context->contextlevel == CONTEXT_SYSTEM) {
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admin_externalpage_print_footer($adminroot);
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} else {
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print_footer($course);
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}
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?>
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