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a9d4ea7849
Manually enrolling and unenrolling self, and other users should transparently set the context dirty. So walk all callers to role_assign() and role_unassign() and mark the context dirty where appropriate. OTOH, most automated-backend enrol/unenrol mechanisms should not. The backend lookups that happen when you login are well covered by the login/enrolment process, and don't need to be marked dirty.
87 lines
3.1 KiB
PHP
87 lines
3.1 KiB
PHP
<?php // $Id$
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// Remove oneself or someone else from a course, unassigning all
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// roles one might have
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//
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// This will not delete any of their data from the course,
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// but will remove them from the participant list and prevent
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// any course email being sent to them.
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require_once("../config.php");
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require_once("lib.php");
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$id = required_param('id', PARAM_INT); //course
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$userid = optional_param('user', 0, PARAM_INT); //course
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$confirm = optional_param('confirm', 0, PARAM_BOOL);
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if (! $course = get_record('course', 'id', $id) ) {
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error('Invalid course id');
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}
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if (! $context = get_context_instance(CONTEXT_COURSE, $course->id)) {
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error('Invalid context');
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}
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require_login($course->id);
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if ($course->metacourse) {
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print_error('cantunenrollfrommetacourse', '', $CFG->wwwroot.'/course/view.php?id='.$course->id);
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}
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if ($userid) { // Unenrolling someone else
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require_capability('moodle/role:assign', $context, NULL, false);
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} else { // Unenrol yourself
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require_capability('moodle/role:unassignself', $context, NULL, false);
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}
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if (!empty($USER->switchrole[$context->id])) {
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print_error('cantunenrollinthisrole', '', $CFG->wwwroot.'/course/view.php?id='.$course->id);
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}
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if ($confirm and confirm_sesskey()) {
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if ($userid) {
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if (! role_unassign(0, $userid, 0, $context->id)) {
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error("An error occurred while trying to unenrol that person.");
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}
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// force accessinfo refresh for users visiting this context...
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mark_context_dirty($context->path);
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add_to_log($course->id, 'course', 'unenrol', "view.php?id=$course->id", $userid);
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redirect($CFG->wwwroot.'/user/index.php?id='.$course->id);
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} else {
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if (! role_unassign(0, $USER->id, 0, $context->id)) {
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error("An error occurred while trying to unenrol you.");
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}
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add_to_log($course->id, 'course', 'unenrol', "view.php?id=$course->id", $USER->id);
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redirect($CFG->wwwroot);
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}
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}
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$strunenrol = get_string('unenrol');
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$navlinks = array();
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$navlinks[] = array('name' => $strunenrol, 'link' => null, 'type' => 'misc');
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$navigation = build_navigation($navlinks);
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print_header("$course->shortname: $strunenrol", $course->fullname, $navigation);
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if ($userid) {
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if (!$user = get_record('user', 'id', $userid)) {
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error('That user does not exist!');
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}
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$strunenrolsure = get_string('unenrolsure', '', fullname($user, true));
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notice_yesno($strunenrolsure, "unenrol.php?id=$id&user=$user->id&confirm=yes&sesskey=".sesskey(),
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$_SERVER['HTTP_REFERER']);
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} else {
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$strunenrolsure = get_string('unenrolsure', '', get_string("yourself"));
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notice_yesno($strunenrolsure, "unenrol.php?id=$id&confirm=yes&sesskey=".sesskey(),
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$_SERVER['HTTP_REFERER']);
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}
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print_footer($course);
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?>
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