public function get_content()
{
global $COURSE, $USER;
if ($this->content !== null) {
return $this->content;
}
$this->content = new stdClass();
$this->content->text = var_export($this->context, true);
$coursecontext = context_course::instance($COURSE->id);
if (has_capability('block/demostudent:addinstance', $coursecontext)) {
// If DemoStudent has not yet been enrolled, allow user to create/enrol one.
$demostudentusername = generate_demostudent_name($USER->username);
$demostudentuser = get_complete_user_data('username', $demostudentusername);
if (!$demostudentuser || !is_enrolled($coursecontext, $demostudentuser)) {
$this->render_view('firstuse');
} else {
$this->render_view('instructor');
}
} else {
if (has_capability('block/demostudent:seedemostudentblock', $coursecontext)) {
$this->render_view('demostudent');
} else {
// If the user does not need to see the block, do not display it at all.
$this->content->text = '';
$this->content->footer = '';
}
}
return $this->content;
}
/**
* Add a "Compile" menu link to the Course Admin block as the top link.
*
* @author Gerald Albion
* date 2014-10-31
* @copyright 2014 Royal Roads University
* @param object $settingsnav Main navigation object.
* @param object $context Course context.
*/
function local_compile_extends_settings_navigation($settingsnav, $context)
{
// Context must be course.
if ($context->contextlevel != CONTEXT_COURSE) {
return;
}
// Must be in a valid course: Cannot be course id 0.
if ($context->instanceid == 0) {
return;
}
// Must be in a valid course: Course must be retrievable.
if (!($course = get_course($context->instanceid))) {
return;
}
// Must be enrolled or otherwise allowed to view the course.
if (!(is_enrolled($context) || is_viewing($context))) {
return;
}
// Must have a course admin menu in which to add link.
if (!($coursenode = $settingsnav->find('courseadmin', navigation_node::TYPE_COURSE))) {
return;
}
// Good to go. Build the menu item.
$url = new moodle_url('/local/compile/list_modules.php', array('id' => $course->id));
$newnode = navigation_node::create(get_string('menucaption', 'local_compile'), $url, navigation_node::NODETYPE_LEAF, 'compile', 'compile', new pix_icon('i/settings', ''));
// We want to put this link at the top: find the existing top (first) node.
$firstnode = $coursenode->get_children_key_list()[0];
// Add the menu item to the menu, before the first node.
$coursenode->add_node($newnode, $firstnode);
}
/**
* Return information about this specific context level
*
* @param $component
* @param $filearea
* @param $itemid
* @param $filepath
* @param $filename
*/
public function get_file_info($component, $filearea, $itemid, $filepath, $filename)
{
if (!is_enrolled($this->context) and !is_viewing($this->context)) {
// no peaking here if not enrolled or inspector
return null;
}
if (empty($component)) {
return $this;
}
if ($component == 'mod_' . $this->modname and $filearea === 'intro') {
return $this->get_area_intro($itemid, $filepath, $filename);
} else {
if ($component == 'backup' and $filearea === 'activity') {
return $this->get_area_backup($itemid, $filepath, $filename);
}
}
$functionname = 'mod_' . $this->modname . '_get_file_info';
$functionname_old = $this->modname . '_get_file_info';
if (function_exists($functionname)) {
return $functionname($this->browser, $this->areas, $this->course, $this->cm, $this->context, $filearea, $itemid, $filepath, $filename);
} else {
if (function_exists($functionname_old)) {
return $functionname_old($this->browser, $this->areas, $this->course, $this->cm, $this->context, $filearea, $itemid, $filepath, $filename);
}
}
return null;
}
/**
* Test get_enrolled_users
*/
public function test_enrol_users()
{
global $DB;
$this->resetAfterTest(true);
$user = self::getDataGenerator()->create_user();
$this->setUser($user);
$course1 = self::getDataGenerator()->create_course();
$course2 = self::getDataGenerator()->create_course();
$user1 = self::getDataGenerator()->create_user();
$user2 = self::getDataGenerator()->create_user();
$context1 = context_course::instance($course1->id);
$context2 = context_course::instance($course2->id);
$instance1 = $DB->get_record('enrol', array('courseid' => $course1->id, 'enrol' => 'manual'), '*', MUST_EXIST);
$instance2 = $DB->get_record('enrol', array('courseid' => $course2->id, 'enrol' => 'manual'), '*', MUST_EXIST);
// Set the required capabilities by the external function.
$roleid = $this->assignUserCapability('enrol/manual:enrol', $context1->id);
$this->assignUserCapability('moodle/course:view', $context1->id, $roleid);
$this->assignUserCapability('moodle/role:assign', $context1->id, $roleid);
$this->assignUserCapability('enrol/manual:enrol', $context2->id, $roleid);
$this->assignUserCapability('moodle/course:view', $context2->id, $roleid);
$this->assignUserCapability('moodle/role:assign', $context2->id, $roleid);
allow_assign($roleid, 3);
// Call the external function.
enrol_manual_external::enrol_users(array(array('roleid' => 3, 'userid' => $user1->id, 'courseid' => $course1->id), array('roleid' => 3, 'userid' => $user2->id, 'courseid' => $course1->id)));
$this->assertEquals(2, $DB->count_records('user_enrolments', array('enrolid' => $instance1->id)));
$this->assertEquals(0, $DB->count_records('user_enrolments', array('enrolid' => $instance2->id)));
$this->assertTrue(is_enrolled($context1, $user1));
$this->assertTrue(is_enrolled($context1, $user2));
// Call without required capability.
$DB->delete_records('user_enrolments');
$this->unassignUserCapability('enrol/manual:enrol', $context1->id, $roleid);
try {
enrol_manual_external::enrol_users(array(array('roleid' => 3, 'userid' => $user1->id, 'courseid' => $course1->id)));
$this->fail('Exception expected if not having capability to enrol');
} catch (moodle_exception $e) {
$this->assertInstanceOf('required_capability_exception', $e);
$this->assertSame('nopermissions', $e->errorcode);
}
$this->assignUserCapability('enrol/manual:enrol', $context1->id, $roleid);
$this->assertEquals(0, $DB->count_records('user_enrolments'));
// Call with forbidden role.
try {
enrol_manual_external::enrol_users(array(array('roleid' => 1, 'userid' => $user1->id, 'courseid' => $course1->id)));
$this->fail('Exception expected if not allowed to assign role.');
} catch (moodle_exception $e) {
$this->assertSame('wsusercannotassign', $e->errorcode);
}
$this->assertEquals(0, $DB->count_records('user_enrolments'));
// Call for course without manual instance.
$DB->delete_records('user_enrolments');
$DB->delete_records('enrol', array('courseid' => $course2->id));
try {
enrol_manual_external::enrol_users(array(array('roleid' => 3, 'userid' => $user1->id, 'courseid' => $course1->id), array('roleid' => 3, 'userid' => $user1->id, 'courseid' => $course2->id)));
$this->fail('Exception expected if course does not have manual instance');
} catch (moodle_exception $e) {
$this->assertSame('wsnoinstance', $e->errorcode);
}
}
function execute($userid, $context, $data)
{
global $DB, $CFG;
// Everyone should be enrolled at the system level.
if ($context == context_system::instance()) {
return true;
}
return is_enrolled($context, $userid);
}
/**
* Adds a specified user to a group
*
* @param mixed $grouporid The group id or group object
* @param mixed $userorid The user id or user object
* @param string $component Optional component name e.g. 'enrol_imsenterprise'
* @param int $itemid Optional itemid associated with component
* @return bool True if user added successfully or the user is already a
* member of the group, false otherwise.
*/
function groups_add_member($grouporid, $userorid, $component = null, $itemid = 0)
{
global $DB;
if (is_object($userorid)) {
$userid = $userorid->id;
$user = $userorid;
} else {
$userid = $userorid;
$user = $DB->get_record('user', array('id' => $userid), '*', MUST_EXIST);
}
if (is_object($grouporid)) {
$groupid = $grouporid->id;
$group = $grouporid;
} else {
$groupid = $grouporid;
$group = $DB->get_record('groups', array('id' => $groupid), '*', MUST_EXIST);
}
//check if the user a participant of the group course
if (!is_enrolled(context_course::instance($group->courseid), $userid)) {
return false;
}
if (groups_is_member($groupid, $userid)) {
return true;
}
$member = new stdClass();
$member->groupid = $groupid;
$member->userid = $userid;
$member->timeadded = time();
$member->component = '';
$member->itemid = 0;
// Check the component exists if specified
if (!empty($component)) {
$dir = get_component_directory($component);
if ($dir && is_dir($dir)) {
// Component exists and can be used
$member->component = $component;
$member->itemid = $itemid;
} else {
throw new coding_exception('Invalid call to groups_add_member(). An invalid component was specified');
}
}
if ($itemid !== 0 && empty($member->component)) {
// An itemid can only be specified if a valid component was found
throw new coding_exception('Invalid call to groups_add_member(). A component must be specified if an itemid is given');
}
$DB->insert_record('groups_members', $member);
//update group info
$DB->set_field('groups', 'timemodified', $member->timeadded, array('id' => $groupid));
//trigger groups events
$eventdata = new stdClass();
$eventdata->groupid = $groupid;
$eventdata->userid = $userid;
$eventdata->component = $member->component;
$eventdata->itemid = $member->itemid;
events_trigger('groups_member_added', $eventdata);
return true;
}
/**
* Loads the data required to render the report.
*
* @param int $courseid The course id
* @param int $userid The user id
* @return \stdClass
*/
public static function data_for_report($courseid, $userid)
{
global $PAGE;
$params = self::validate_parameters(self::data_for_report_parameters(), array('courseid' => $courseid, 'userid' => $userid));
$context = context_course::instance($params['courseid']);
self::validate_context($context);
if (!is_enrolled($context, $params['userid'], 'moodle/competency:coursecompetencygradable')) {
throw new coding_exception('invaliduser');
}
$renderable = new output\report($params['courseid'], $params['userid']);
$renderer = $PAGE->get_renderer('report_competency');
$data = $renderable->export_for_template($renderer);
return $data;
}
public function is_available($not, \core_availability\info $info, $grabthelot, $userid)
{
$allow = true;
if ($this->expectedpublicprivate == PUBLICPRIVATE_PRIVATE) {
$modinfo = $info->get_modinfo();
$course = $modinfo->get_course();
$context = \context_course::instance($course->id);
$allow = is_enrolled($context, $userid, '', true) || has_capability('moodle/course:view', $context);
}
if ($not) {
$allow = !$allow;
}
return $allow;
}
/**
* Adds a specified user to a group
*
* @param mixed $grouporid The group id or group object
* @param mixed $userorid The user id or user object
* @return bool True if user added successfully or the user is already a
* member of the group, false otherwise.
*/
function groups_add_member($grouporid, $userorid) {
global $DB;
if (is_object($userorid)) {
$userid = $userorid->id;
$user = $userorid;
} else {
$userid = $userorid;
$user = $DB->get_record('user', array('id'=>$userid), '*', MUST_EXIST);
}
if (is_object($grouporid)) {
$groupid = $grouporid->id;
$group = $grouporid;
} else {
$groupid = $grouporid;
$group = $DB->get_record('groups', array('id'=>$groupid), '*', MUST_EXIST);
}
//check if the user a participant of the group course
if (!is_enrolled(get_context_instance(CONTEXT_COURSE, $group->courseid), $userid)) {
return false;
}
if (groups_is_member($groupid, $userid)) {
return true;
}
$member = new stdClass();
$member->groupid = $groupid;
$member->userid = $userid;
$member->timeadded = time();
$DB->insert_record('groups_members', $member);
//update group info
$DB->set_field('groups', 'timemodified', $member->timeadded, array('id'=>$groupid));
//trigger groups events
$eventdata = new stdClass();
$eventdata->groupid = $groupid;
$eventdata->userid = $userid;
events_trigger('groups_member_added', $eventdata);
return true;
}
function block_csv_enrol_enrol_users($courseid, $csvcontent)
{
global $DB, $CFG;
require_once $CFG->libdir . '/enrollib.php';
//get enrolment instance (manual and student)
$instances = enrol_get_instances($courseid, false);
$enrolment = "";
foreach ($instances as $instance) {
if ($instance->enrol === 'manual') {
$enrolment = $instance;
break;
}
}
//get enrolment plugin
$manual = enrol_get_plugin('manual');
$context = get_context_instance(CONTEXT_COURSE, $courseid);
$stats = new StdClass();
$stats->success = $stats->failed = 0;
//init counters
$log = get_string('enrolling', 'block_csv_enrol') . "\r\n";
$lines = explode("\n", $csvcontent);
foreach ($lines as $line) {
if ($line == "") {
continue;
}
$user = $DB->get_record('user', array('email' => trim($line)));
if ($user && !$user->deleted) {
if (is_enrolled($context, $user)) {
$log .= get_string('enrollinguser', 'block_csv_enrol', fullname($user) . ' (' . $user->username . ')') . "\r\n";
} else {
$log .= get_string('alreadyenrolled', 'block_csv_enrol', fullname($user) . ' (' . $user->username . ')') . "\r\n";
$manual->enrol_user($enrolment, $user->id, $enrolment->roleid, time());
}
$stats->success++;
} else {
$log .= get_string('emailnotfound', 'block_csv_enrol', trim($line)) . "\r\n";
$stats->failed++;
}
}
$log .= get_string('done', 'block_csv_enrol') . "\r\n";
$log = get_string('status', 'block_csv_enrol', $stats) . ' ' . get_string('enrolmentlog', 'block_csv_enrol') . "\r\n\r\n" . $log;
return $log;
}
/**
* Return information about this specific context level
*
* @param $component
* @param $filearea
* @param $itemid
* @param $filepath
* @param $filename
*/
public function get_file_info($component, $filearea, $itemid, $filepath, $filename)
{
// try to emulate require_login() tests here
if (!isloggedin()) {
return null;
}
$coursecontext = get_course_context($this->context);
if (!$this->course->visible and !has_capability('moodle/course:viewhiddencourses', $coursecontext)) {
return null;
}
if (!is_viewing($this->context) and !is_enrolled($this->context)) {
// no peaking here if not enrolled or inspector
return null;
}
$modinfo = get_fast_modinfo($this->course);
$cminfo = $modinfo->get_cm($this->cm->id);
if (!$cminfo->uservisible) {
// activity hidden sorry
return null;
}
if (empty($component)) {
return $this;
}
if ($component == 'mod_' . $this->modname and $filearea === 'intro') {
return $this->get_area_intro($itemid, $filepath, $filename);
} else {
if ($component == 'backup' and $filearea === 'activity') {
return $this->get_area_backup($itemid, $filepath, $filename);
}
}
$functionname = 'mod_' . $this->modname . '_get_file_info';
$functionname_old = $this->modname . '_get_file_info';
if (function_exists($functionname)) {
return $functionname($this->browser, $this->areas, $this->course, $this->cm, $this->context, $filearea, $itemid, $filepath, $filename);
} else {
if (function_exists($functionname_old)) {
return $functionname_old($this->browser, $this->areas, $this->course, $this->cm, $this->context, $filearea, $itemid, $filepath, $filename);
}
}
return null;
}
/**
* Is current user allowed to access this report
*
* @private defined in lib.php for performance reasons
*
* @param stdClass $user
* @param stdClass $course
* @return bool
*/
function report_outline_can_access_user_report($user, $course)
{
global $USER;
$coursecontext = context_course::instance($course->id);
$personalcontext = context_user::instance($user->id);
if (has_capability('report/outline:view', $coursecontext)) {
return true;
}
if (has_capability('moodle/user:viewuseractivitiesreport', $personalcontext)) {
if ($course->showreports and (is_viewing($coursecontext, $user) or is_enrolled($coursecontext, $user))) {
return true;
}
} else {
if ($user->id == $USER->id) {
if ($course->showreports and (is_viewing($coursecontext, $USER) or is_enrolled($coursecontext, $USER))) {
return true;
}
}
}
return false;
}
/**
* Return information about this specific context level
*
* @param string $component component
* @param string $filearea file area
* @param int $itemid item ID
* @param string $filepath file path
* @param string $filename file name
* @return file_info|null file_info instance or null if not found or access not allowed
*/
public function get_file_info($component, $filearea, $itemid, $filepath, $filename)
{
// try to emulate require_login() tests here
if (!isloggedin()) {
return null;
}
if (!$this->course->visible and !has_capability('moodle/course:viewhiddencourses', $this->context)) {
return null;
}
if (!is_viewing($this->context) and !is_enrolled($this->context)) {
// no peaking here if not enrolled or inspector
return null;
}
if (empty($component)) {
return $this;
}
$methodname = "get_area_{$component}_{$filearea}";
if (method_exists($this, $methodname)) {
return $this->{$methodname}($itemid, $filepath, $filename);
}
return null;
}
if ($duration > 0) {
// sanity check
$timeend = $today + $duration;
}
}
$manual->enrol_user($manualcache[$courseid], $user->id, $rid, $today, $timeend);
$a = new stdClass();
$a->course = $shortname;
$a->role = $rolecache[$rid]->name;
$upt->track('enrolments', get_string('enrolledincourserole', 'enrol_manual', $a));
}
}
// find group to add to
if (!empty($user->{'group' . $i})) {
// make sure user is enrolled into course before adding into groups
if (!is_enrolled($coursecontext, $user->id)) {
$upt->track('enrolments', get_string('addedtogroupnotenrolled', '', $user->{'group' . $i}), 'error');
continue;
}
//build group cache
if (is_null($ccache[$shortname]->groups)) {
$ccache[$shortname]->groups = array();
if ($groups = groups_get_all_groups($courseid)) {
foreach ($groups as $gid => $group) {
$ccache[$shortname]->groups[$gid] = new stdClass();
$ccache[$shortname]->groups[$gid]->id = $gid;
$ccache[$shortname]->groups[$gid]->name = $group->name;
if (!is_numeric($group->name)) {
// only non-numeric names are supported!!!
$ccache[$shortname]->groups[$group->name] = new stdClass();
$ccache[$shortname]->groups[$group->name]->id = $gid;
$digestoptions = forum_get_user_digest_options();
$digestoptions_selector = new single_select(new moodle_url('/mod/forum/maildigest.php', array('backtoindex' => 1)), 'maildigest', $digestoptions, null, '');
$digestoptions_selector->method = 'post';
// Start of the table for General Forums
$generaltable = new html_table();
$generaltable->head = array($strforum, $strdescription, $strdiscussions);
$generaltable->align = array('left', 'left', 'center');
if ($usetracking = forum_tp_can_track_forums()) {
$untracked = forum_tp_get_untracked_forums($USER->id, $course->id);
$generaltable->head[] = $strunreadposts;
$generaltable->align[] = 'center';
$generaltable->head[] = $strtracking;
$generaltable->align[] = 'center';
}
$subscribed_forums = forum_get_subscribed_forums($course);
$can_subscribe = is_enrolled($coursecontext);
if ($can_subscribe) {
$generaltable->head[] = $strsubscribed;
$generaltable->align[] = 'center';
$generaltable->head[] = $stremaildigest . ' ' . $OUTPUT->help_icon('emaildigesttype', 'mod_forum');
$generaltable->align[] = 'center';
}
if ($show_rss = ($can_subscribe || $course->id == SITEID) && isset($CFG->enablerssfeeds) && isset($CFG->forum_enablerssfeeds) && $CFG->enablerssfeeds && $CFG->forum_enablerssfeeds) {
$generaltable->head[] = $strrss;
$generaltable->align[] = 'center';
}
$usesections = course_format_uses_sections($course->format);
$table = new html_table();
// Parse and organise all the forums. Most forums are course modules but
// some special ones are not. These get placed in the general forums
// category with the forums in section 0.
if ((!$current or $choice->allowupdate) and $choiceopen and is_enrolled($context, NULL, 'mod/choice:choose')) {
// They haven't made their choice yet or updates allowed and choice is open
$options = choice_prepare_options($choice, $USER, $cm, $allresponses);
$renderer = $PAGE->get_renderer('mod_choice');
echo $renderer->display_options($options, $cm->id, $choice->display, $choice->allowmultiple);
$choiceformshown = true;
} else {
$choiceformshown = false;
}
if (!$choiceformshown) {
$sitecontext = context_system::instance();
if (isguestuser()) {
// Guest account
echo $OUTPUT->confirm(get_string('noguestchoose', 'choice') . '<br /><br />' . get_string('liketologin'), get_login_url(), new moodle_url('/course/view.php', array('id' => $course->id)));
} else {
if (!is_enrolled($context)) {
// Only people enrolled can make a choice
$SESSION->wantsurl = qualified_me();
$SESSION->enrolcancel = get_local_referer(false);
$coursecontext = context_course::instance($course->id);
$courseshortname = format_string($course->shortname, true, array('context' => $coursecontext));
echo $OUTPUT->box_start('generalbox', 'notice');
echo '<p align="center">' . get_string('notenrolledchoose', 'choice') . '</p>';
echo $OUTPUT->container_start('continuebutton');
echo $OUTPUT->single_button(new moodle_url('/enrol/index.php?', array('id' => $course->id)), get_string('enrolme', 'core_enrol', $courseshortname));
echo $OUTPUT->container_end();
echo $OUTPUT->box_end();
}
}
}
// print the results at the bottom of the screen
$node->add(format_string($post->subject), $PAGE->url);
}
$PAGE->set_title("{$course->shortname}: " . format_string($discussion->name));
$PAGE->set_heading($course->fullname);
$PAGE->set_button($searchform);
echo $OUTPUT->header();
echo $OUTPUT->heading(format_string($forum->name), 2);
/// Check to see if groups are being used in this forum
/// If so, make sure the current person is allowed to see this discussion
/// Also, if we know they should be able to reply, then explicitly set $canreply for performance reasons
$canreply = forum_user_can_post($forum, $discussion, $USER, $cm, $course, $modcontext);
if (!$canreply and $forum->type !== 'news') {
if (isguestuser() or !isloggedin()) {
$canreply = true;
}
if (!is_enrolled($modcontext) and !is_viewing($modcontext)) {
// allow guests and not-logged-in to see the link - they are prompted to log in after clicking the link
// normal users with temporary guest access see this link too, they are asked to enrol instead
$canreply = enrol_selfenrol_available($course->id);
}
}
/// Print the controls across the top
echo '<div class="discussioncontrols clearfix">';
if (!empty($CFG->enableportfolios) && has_capability('mod/forum:exportdiscussion', $modcontext)) {
require_once $CFG->libdir . '/portfoliolib.php';
$button = new portfolio_add_button();
$button->set_callback_options('forum_portfolio_caller', array('discussionid' => $discussion->id), 'mod_forum');
$button = $button->to_html(PORTFOLIO_ADD_FULL_FORM, get_string('exportdiscussion', 'mod_forum'));
$buttonextraclass = '';
if (empty($button)) {
// no portfolio plugin available.
protected function define_execution()
{
global $CFG, $DB;
if (!($userid = $this->task->get_userid())) {
return;
}
if (empty($CFG->restorernewroleid)) {
// Bad luck, no fallback role for restorers specified
return;
}
$courseid = $this->get_courseid();
$context = context_course::instance($courseid);
if (is_enrolled($context, $userid, 'moodle/course:update', true) or is_viewing($context, $userid, 'moodle/course:update')) {
// Current user may access the course (admin, category manager or restored teacher enrolment usually)
return;
}
// Try to add role only - we do not need enrolment if user has moodle/course:view or is already enrolled
role_assign($CFG->restorernewroleid, $userid, $context);
if (is_enrolled($context, $userid, 'moodle/course:update', true) or is_viewing($context, $userid, 'moodle/course:update')) {
// Extra role is enough, yay!
return;
}
// The last chance is to create manual enrol if it does not exist and and try to enrol the current user,
// hopefully admin selected suitable $CFG->restorernewroleid ...
if (!enrol_is_enabled('manual')) {
return;
}
if (!($enrol = enrol_get_plugin('manual'))) {
return;
}
if (!$DB->record_exists('enrol', array('enrol' => 'manual', 'courseid' => $courseid))) {
$course = $DB->get_record('course', array('id' => $courseid), '*', MUST_EXIST);
$fields = array('status' => ENROL_INSTANCE_ENABLED, 'enrolperiod' => $enrol->get_config('enrolperiod', 0), 'roleid' => $enrol->get_config('roleid', 0));
$enrol->add_instance($course, $fields);
}
enrol_try_internal_enrol($courseid, $userid);
}
/**
* Parse moss result page and store to DB
*
* @param string $url moss result page url
* @param int $configid
* @return true or false
*/
protected function save_results($url, $configid) {
global $DB, $UNITTEST;
mtrace("\tProcessing $url");
if (!$result_page = download_file_content($url)) {
mtrace("\tcan not read $url");
return false;
}
preg_match_all(
'/(?P<link>http:\/\/moss\.stanford\.edu\/results\/\d+\/match\d+\.html)">.+\/(?P<user1>\d+)\/ \((?P<percentage1>\d+)%\).+\/(?P<user2>\d+)\/ \((?P<percentage2>\d+)%\).+right>(?P<linesmatched>\d+)\\n/Us',
$result_page,
$matches,
PREG_SET_ORDER
);
if (empty($matches)) {
mtrace("\tcan not parse $url");
return false;
}
if (!isset($UNITTEST)) { // testcase can not construct course structure
$context = get_context_instance(CONTEXT_COURSE, $this->moss->course);
}
$filepatterns = $DB->get_field('moss_configs', 'filepatterns', array('id' => $configid));
$filepatterns = explode(' ', $filepatterns);
$fs = get_file_storage();
$rank = 1;
foreach ($matches as $result) {
$result['moss'] = $this->moss->id;
$result['config'] = $configid;
$result['rank'] = $rank + 1;
$result1 = (object)$result;
$result1->userid = $result['user1'];
$result1->percentage = $result['percentage1'];
$result2 = (object)$result;
$result2->userid = $result['user2'];
$result2->percentage = $result['percentage2'];
if (!isset($UNITTEST)) { // testcase can not construct course structure
// skip unenrolled users
if (!is_enrolled($context, $result1->userid) and !is_enrolled($context, $result2->userid)) {
continue;
}
}
$result1->id = $DB->insert_record('moss_results', $result1);
$result2->pair = $result1->id;
$result2->id = $DB->insert_record('moss_results', $result2);
$result1->pair = $result2->id;
$DB->update_record('moss_results', $result1);
// update moss_matched_files db
for ($i=1; $i<=2; $i++) {
$userid = eval('return $result'.$i.'->userid;');
$resultid = eval('return $result'.$i.'->id;');
$files = $fs->get_directory_files(get_system_context()->id, 'plagiarism_moss', 'files', $this->moss->cmid, "/$userid/");
foreach ($files as $file) {
foreach ($filepatterns as $pattern) {
if (fnmatch($pattern, $file->get_filename())) {
$obj = new stdClass();
$obj->result = $resultid;
$obj->contenthash = $file->get_contenthash();
$DB->insert_record('moss_matched_files', $obj);
}
}
}
}
$rank++;
}
mtrace("\tGot $rank pairs");
return true;
}
/**
* Save the extension date for a single user.
*
* @param int $userid The user id
* @param mixed $extensionduedate Either an integer date or null
* @return boolean
*/
public function save_user_extension($userid, $extensionduedate)
{
global $DB;
// Need submit permission to submit an assignment.
require_capability('mod/assign:grantextension', $this->context);
if (!is_enrolled($this->get_course_context(), $userid)) {
return false;
}
if (!has_capability('mod/assign:submit', $this->context, $userid)) {
return false;
}
if ($this->get_instance()->duedate && $extensionduedate) {
if ($this->get_instance()->duedate > $extensionduedate) {
return false;
}
}
if ($this->get_instance()->allowsubmissionsfromdate && $extensionduedate) {
if ($this->get_instance()->allowsubmissionsfromdate > $extensionduedate) {
return false;
}
}
$flags = $this->get_user_flags($userid, true);
$flags->extensionduedate = $extensionduedate;
$result = $this->update_user_flags($flags);
if ($result) {
$addtolog = $this->add_to_log('grant extension', $userid, '', true);
$params = array('context' => $this->context, 'objectid' => $flags->assignment, 'relateduserid' => $userid);
$event = \mod_assign\event\extension_granted::create($params);
$event->set_legacy_logdata($addtolog);
$event->trigger();
}
return $result;
}
public function assertIsNotEnrolled($courseid, $userid)
{
$context = context_course::instance($courseid);
$this->assertFalse(is_enrolled($context, $userid));
}
/**
* Display the feedback to the student
*
* This default method prints the teacher picture and name, date when marked,
* grade and teacher submissioncomment.
*
* @global object
* @global object
* @global object
* @param object $submission The submission object or NULL in which case it will be loaded
*/
function view_feedback($submission=NULL) {
global $USER, $CFG, $DB, $OUTPUT;
require_once($CFG->libdir.'/gradelib.php');
if (!is_enrolled($this->context, $USER, 'mod/assignment:view')) {
// can not submit assignments -> no feedback
return;
}
if (!$submission) { /// Get submission for this assignment
$submission = $this->get_submission($USER->id);
}
// Check the user can submit
$cansubmit = has_capability('mod/assignment:submit', $this->context, $USER->id, false);
// If not then check if the user still has the view cap and has a previous submission
$cansubmit = $cansubmit || (!empty($submission) && has_capability('mod/assignment:view', $this->context, $USER->id, false));
if (!$cansubmit) {
// can not submit assignments -> no feedback
return;
}
$grading_info = grade_get_grades($this->course->id, 'mod', 'assignment', $this->assignment->id, $USER->id);
$item = $grading_info->items[0];
$grade = $item->grades[$USER->id];
if ($grade->hidden or $grade->grade === false) { // hidden or error
return;
}
if ($grade->grade === null and empty($grade->str_feedback)) { /// Nothing to show yet
return;
}
$graded_date = $grade->dategraded;
$graded_by = $grade->usermodified;
/// We need the teacher info
if (!$teacher = $DB->get_record('user', array('id'=>$graded_by))) {
print_error('cannotfindteacher');
}
/// Print the feedback
echo $OUTPUT->heading(get_string('feedbackfromteacher', 'assignment', fullname($teacher)));
echo '<table cellspacing="0" class="feedback">';
echo '<tr>';
echo '<td class="left picture">';
if ($teacher) {
echo $OUTPUT->user_picture($teacher);
}
echo '</td>';
echo '<td class="topic">';
echo '<div class="from">';
if ($teacher) {
echo '<div class="fullname">'.fullname($teacher).'</div>';
}
echo '<div class="time">'.userdate($graded_date).'</div>';
echo '</div>';
echo '</td>';
echo '</tr>';
echo '<tr>';
echo '<td class="left side"> </td>';
echo '<td class="content">';
echo '<div class="grade">';
echo get_string("grade").': '.$grade->str_long_grade;
echo '</div>';
echo '<div class="clearer"></div>';
echo '<div class="comment">';
echo $grade->str_feedback;
echo '</div>';
echo '</tr>';
if ($this->type == 'uploadsingle') { //@TODO: move to overload view_feedback method in the class or is uploadsingle merging into upload?
$responsefiles = $this->print_responsefiles($submission->userid, true);
if (!empty($responsefiles)) {
echo '<tr>';
echo '<td class="left side"> </td>';
echo '<td class="content">';
echo $responsefiles;
echo '</tr>';
}
}
echo '</table>';
}
unset($newgroup->courseid);
//unset so 0 doesn't get written to database
}
$newgroup->courseid = $mycourse->id;
} else {
//else use use current id
$newgroup->courseid = $id;
}
}
//if courseid is set
if (isset($newgroup->courseid)) {
$linenum++;
$groupname = $newgroup->name;
$newgrpcoursecontext = get_context_instance(CONTEXT_COURSE, $newgroup->courseid);
///Users cannot upload groups in courses they cannot update.
if (!has_capability('moodle/course:managegroups', $newgrpcoursecontext) or !is_enrolled($newgrpcoursecontext) and !has_capability('moodle/course:view', $newgrpcoursecontext)) {
echo $OUTPUT->notification(get_string('nopermissionforcreation', 'group', $groupname));
} else {
if ($groupid = groups_get_group_by_name($newgroup->courseid, $groupname)) {
echo $OUTPUT->notification("{$groupname} :" . get_string('groupexistforcourse', 'error', $groupname));
} else {
if (groups_create_group($newgroup)) {
echo $OUTPUT->notification(get_string('groupaddedsuccesfully', 'group', $groupname), 'notifysuccess');
} else {
echo $OUTPUT->notification(get_string('groupnotaddederror', 'error', $groupname));
}
}
}
}
unset($newgroup);
}
/**
* Adds module specific settings to the settings block
*
* @param settings_navigation $settings The settings navigation object
* @param navigation_node $forumnode The node to add module settings to
*/
function forum_extend_settings_navigation(settings_navigation $settingsnav, navigation_node $forumnode) {
global $USER, $PAGE, $CFG, $DB, $OUTPUT;
$forumobject = $DB->get_record("forum", array("id" => $PAGE->cm->instance));
if (empty($PAGE->cm->context)) {
$PAGE->cm->context = get_context_instance(CONTEXT_MODULE, $PAGE->cm->instance);
}
// for some actions you need to be enrolled, beiing admin is not enough sometimes here
$enrolled = is_enrolled($PAGE->cm->context, $USER, '', false);
$activeenrolled = is_enrolled($PAGE->cm->context, $USER, '', true);
$canmanage = has_capability('mod/forum:managesubscriptions', $PAGE->cm->context);
$subscriptionmode = forum_get_forcesubscribed($forumobject);
$cansubscribe = ($activeenrolled && $subscriptionmode != FORUM_FORCESUBSCRIBE && ($subscriptionmode != FORUM_DISALLOWSUBSCRIBE || $canmanage));
if ($canmanage) {
$mode = $forumnode->add(get_string('subscriptionmode', 'forum'), null, navigation_node::TYPE_CONTAINER);
$allowchoice = $mode->add(get_string('subscriptionoptional', 'forum'), new moodle_url('/mod/forum/subscribe.php', array('id'=>$forumobject->id, 'mode'=>FORUM_CHOOSESUBSCRIBE, 'sesskey'=>sesskey())), navigation_node::TYPE_SETTING);
$forceforever = $mode->add(get_string("subscriptionforced", "forum"), new moodle_url('/mod/forum/subscribe.php', array('id'=>$forumobject->id, 'mode'=>FORUM_FORCESUBSCRIBE, 'sesskey'=>sesskey())), navigation_node::TYPE_SETTING);
$forceinitially = $mode->add(get_string("subscriptionauto", "forum"), new moodle_url('/mod/forum/subscribe.php', array('id'=>$forumobject->id, 'mode'=>FORUM_INITIALSUBSCRIBE, 'sesskey'=>sesskey())), navigation_node::TYPE_SETTING);
$disallowchoice = $mode->add(get_string('subscriptiondisabled', 'forum'), new moodle_url('/mod/forum/subscribe.php', array('id'=>$forumobject->id, 'mode'=>FORUM_DISALLOWSUBSCRIBE, 'sesskey'=>sesskey())), navigation_node::TYPE_SETTING);
switch ($subscriptionmode) {
case FORUM_CHOOSESUBSCRIBE : // 0
$allowchoice->action = null;
$allowchoice->add_class('activesetting');
break;
case FORUM_FORCESUBSCRIBE : // 1
$forceforever->action = null;
$forceforever->add_class('activesetting');
break;
case FORUM_INITIALSUBSCRIBE : // 2
$forceinitially->action = null;
$forceinitially->add_class('activesetting');
break;
case FORUM_DISALLOWSUBSCRIBE : // 3
$disallowchoice->action = null;
$disallowchoice->add_class('activesetting');
break;
}
} else if ($activeenrolled) {
switch ($subscriptionmode) {
case FORUM_CHOOSESUBSCRIBE : // 0
$notenode = $forumnode->add(get_string('subscriptionoptional', 'forum'));
break;
case FORUM_FORCESUBSCRIBE : // 1
$notenode = $forumnode->add(get_string('subscriptionforced', 'forum'));
break;
case FORUM_INITIALSUBSCRIBE : // 2
$notenode = $forumnode->add(get_string('subscriptionauto', 'forum'));
break;
case FORUM_DISALLOWSUBSCRIBE : // 3
$notenode = $forumnode->add(get_string('subscriptiondisabled', 'forum'));
break;
}
}
if ($cansubscribe) {
if (forum_is_subscribed($USER->id, $forumobject)) {
$linktext = get_string('unsubscribe', 'forum');
} else {
$linktext = get_string('subscribe', 'forum');
}
$url = new moodle_url('/mod/forum/subscribe.php', array('id'=>$forumobject->id, 'sesskey'=>sesskey()));
$forumnode->add($linktext, $url, navigation_node::TYPE_SETTING);
}
if (has_capability('mod/forum:viewsubscribers', $PAGE->cm->context)){
$url = new moodle_url('/mod/forum/subscribers.php', array('id'=>$forumobject->id));
$forumnode->add(get_string('showsubscribers', 'forum'), $url, navigation_node::TYPE_SETTING);
}
if ($enrolled && forum_tp_can_track_forums($forumobject)) { // keep tracking info for users with suspended enrolments
if ($forumobject->trackingtype != FORUM_TRACKING_OPTIONAL) {
//tracking forced on or off in forum settings so dont provide a link here to change it
//could add unclickable text like for forced subscription but not sure this justifies adding another menu item
} else {
if (forum_tp_is_tracked($forumobject)) {
$linktext = get_string('notrackforum', 'forum');
} else {
$linktext = get_string('trackforum', 'forum');
}
$url = new moodle_url('/mod/forum/settracking.php', array('id'=>$forumobject->id));
$forumnode->add($linktext, $url, navigation_node::TYPE_SETTING);
}
}
if ($enrolled && !empty($CFG->enablerssfeeds) && !empty($CFG->forum_enablerssfeeds) && $forumobject->rsstype && $forumobject->rssarticles) {
if (!function_exists('rss_get_url')) {
require_once("$CFG->libdir/rsslib.php");
}
if ($forumobject->rsstype == 1) {
$string = get_string('rsssubscriberssdiscussions','forum');
} else {
$string = get_string('rsssubscriberssposts','forum');
}
if (!isloggedin()) {
$userid = 0;
} else {
$userid = $USER->id;
}
$url = new moodle_url(rss_get_url($PAGE->cm->context->id, $userid, "mod_forum", $forumobject->id));
$forumnode->add($string, $url, settings_navigation::TYPE_SETTING, null, null, new pix_icon('i/rss', ''));
}
}
/**
* Checks to see if the userid supplied has a tracked role in
* this course
*
* @param int $userid User id
* @return bool
*/
public function is_tracked_user($userid)
{
return is_enrolled(context_course::instance($this->course->id), $userid, '', true);
}
/**
* Actual implementation of the reset course functionality, delete all the
* data responses for course $data->courseid.
*
* @global object
* @global object
* @param object $data the data submitted from the reset course.
* @return array status array
*/
function data_reset_userdata($data) {
global $CFG, $DB;
require_once($CFG->libdir.'/filelib.php');
require_once($CFG->dirroot.'/rating/lib.php');
$componentstr = get_string('modulenameplural', 'data');
$status = array();
$allrecordssql = "SELECT r.id
FROM {data_records} r
INNER JOIN {data} d ON r.dataid = d.id
WHERE d.course = ?";
$alldatassql = "SELECT d.id
FROM {data} d
WHERE d.course=?";
$rm = new rating_manager();
$ratingdeloptions = new stdClass;
$ratingdeloptions->component = 'mod_data';
$ratingdeloptions->ratingarea = 'entry';
// delete entries if requested
if (!empty($data->reset_data)) {
$DB->delete_records_select('comments', "itemid IN ($allrecordssql) AND commentarea='database_entry'", array($data->courseid));
$DB->delete_records_select('data_content', "recordid IN ($allrecordssql)", array($data->courseid));
$DB->delete_records_select('data_records', "dataid IN ($alldatassql)", array($data->courseid));
if ($datas = $DB->get_records_sql($alldatassql, array($data->courseid))) {
foreach ($datas as $dataid=>$unused) {
fulldelete("$CFG->dataroot/$data->courseid/moddata/data/$dataid");
if (!$cm = get_coursemodule_from_instance('data', $dataid)) {
continue;
}
$datacontext = get_context_instance(CONTEXT_MODULE, $cm->id);
$ratingdeloptions->contextid = $datacontext->id;
$rm->delete_ratings($ratingdeloptions);
}
}
if (empty($data->reset_gradebook_grades)) {
// remove all grades from gradebook
data_reset_gradebook($data->courseid);
}
$status[] = array('component'=>$componentstr, 'item'=>get_string('deleteallentries', 'data'), 'error'=>false);
}
// remove entries by users not enrolled into course
if (!empty($data->reset_data_notenrolled)) {
$recordssql = "SELECT r.id, r.userid, r.dataid, u.id AS userexists, u.deleted AS userdeleted
FROM {data_records} r
JOIN {data} d ON r.dataid = d.id
LEFT JOIN {user} u ON r.userid = u.id
WHERE d.course = ? AND r.userid > 0";
$course_context = get_context_instance(CONTEXT_COURSE, $data->courseid);
$notenrolled = array();
$fields = array();
$rs = $DB->get_recordset_sql($recordssql, array($data->courseid));
foreach ($rs as $record) {
if (array_key_exists($record->userid, $notenrolled) or !$record->userexists or $record->userdeleted
or !is_enrolled($course_context, $record->userid)) {
//delete ratings
if (!$cm = get_coursemodule_from_instance('data', $record->dataid)) {
continue;
}
$datacontext = get_context_instance(CONTEXT_MODULE, $cm->id);
$ratingdeloptions->contextid = $datacontext->id;
$ratingdeloptions->itemid = $record->id;
$rm->delete_ratings($ratingdeloptions);
$DB->delete_records('comments', array('itemid'=>$record->id, 'commentarea'=>'database_entry'));
$DB->delete_records('data_content', array('recordid'=>$record->id));
$DB->delete_records('data_records', array('id'=>$record->id));
// HACK: this is ugly - the recordid should be before the fieldid!
if (!array_key_exists($record->dataid, $fields)) {
if ($fs = $DB->get_records('data_fields', array('dataid'=>$record->dataid))) {
$fields[$record->dataid] = array_keys($fs);
} else {
$fields[$record->dataid] = array();
}
}
foreach($fields[$record->dataid] as $fieldid) {
fulldelete("$CFG->dataroot/$data->courseid/moddata/data/$record->dataid/$fieldid/$record->id");
}
$notenrolled[$record->userid] = true;
}
}
$rs->close();
$status[] = array('component'=>$componentstr, 'item'=>get_string('deletenotenrolled', 'data'), 'error'=>false);
}
// remove all ratings
if (!empty($data->reset_data_ratings)) {
if ($datas = $DB->get_records_sql($alldatassql, array($data->courseid))) {
foreach ($datas as $dataid=>$unused) {
if (!$cm = get_coursemodule_from_instance('data', $dataid)) {
continue;
}
$datacontext = get_context_instance(CONTEXT_MODULE, $cm->id);
$ratingdeloptions->contextid = $datacontext->id;
$rm->delete_ratings($ratingdeloptions);
}
}
if (empty($data->reset_gradebook_grades)) {
// remove all grades from gradebook
data_reset_gradebook($data->courseid);
}
$status[] = array('component'=>$componentstr, 'item'=>get_string('deleteallratings'), 'error'=>false);
}
// remove all comments
if (!empty($data->reset_data_comments)) {
$DB->delete_records_select('comments', "itemid IN ($allrecordssql) AND commentarea='database_entry'", array($data->courseid));
$status[] = array('component'=>$componentstr, 'item'=>get_string('deleteallcomments'), 'error'=>false);
}
// updating dates - shift may be negative too
if ($data->timeshift) {
shift_course_mod_dates('data', array('timeavailablefrom', 'timeavailableto', 'timeviewfrom', 'timeviewto'), $data->timeshift, $data->courseid);
$status[] = array('component'=>$componentstr, 'item'=>get_string('datechanged'), 'error'=>false);
}
return $status;
}
/**
* Returns posts made by the selected user in the requested courses.
*
* This method can be used to return all of the posts made by the requested user
* within the given courses.
* For each course the access of the current user and requested user is checked
* and then for each post access to the post and forum is checked as well.
*
* This function is safe to use with usercapabilities.
*
* @global moodle_database $DB
* @param stdClass $user The user whose posts we want to get
* @param array $courses The courses to search
* @param bool $musthaveaccess If set to true errors will be thrown if the user
* cannot access one or more of the courses to search
* @param bool $discussionsonly If set to true only discussion starting posts
* will be returned.
* @param int $limitfrom The offset of records to return
* @param int $limitnum The number of records to return
* @return stdClass An object the following properties
* ->totalcount: the total number of posts made by the requested user
* that the current user can see.
* ->courses: An array of courses the current user can see that the
* requested user has posted in.
* ->forums: An array of forums relating to the posts returned in the
* property below.
* ->posts: An array containing the posts to show for this request.
*/
function forum_get_posts_by_user($user, array $courses, $musthaveaccess = false, $discussionsonly = false, $limitfrom = 0, $limitnum = 50) {
global $DB, $USER, $CFG;
$return = new stdClass;
$return->totalcount = 0; // The total number of posts that the current user is able to view
$return->courses = array(); // The courses the current user can access
$return->forums = array(); // The forums that the current user can access that contain posts
$return->posts = array(); // The posts to display
// First up a small sanity check. If there are no courses to check we can
// return immediately, there is obviously nothing to search.
if (empty($courses)) {
return $return;
}
// A couple of quick setups
$isloggedin = isloggedin();
$isguestuser = $isloggedin && isguestuser();
$iscurrentuser = $isloggedin && $USER->id == $user->id;
// Checkout whether or not the current user has capabilities over the requested
// user and if so they have the capabilities required to view the requested
// users content.
$usercontext = context_user::instance($user->id, MUST_EXIST);
$hascapsonuser = !$iscurrentuser && $DB->record_exists('role_assignments', array('userid' => $USER->id, 'contextid' => $usercontext->id));
$hascapsonuser = $hascapsonuser && has_all_capabilities(array('moodle/user:viewdetails', 'moodle/user:readuserposts'), $usercontext);
// Before we actually search each course we need to check the user's access to the
// course. If the user doesn't have the appropraite access then we either throw an
// error if a particular course was requested or we just skip over the course.
foreach ($courses as $course) {
$coursecontext = context_course::instance($course->id, MUST_EXIST);
if ($iscurrentuser || $hascapsonuser) {
// If it is the current user, or the current user has capabilities to the
// requested user then all we need to do is check the requested users
// current access to the course.
// Note: There is no need to check group access or anything of the like
// as either the current user is the requested user, or has granted
// capabilities on the requested user. Either way they can see what the
// requested user posted, although its VERY unlikely in the `parent` situation
// that the current user will be able to view the posts in context.
if (!is_viewing($coursecontext, $user) && !is_enrolled($coursecontext, $user)) {
// Need to have full access to a course to see the rest of own info
if ($musthaveaccess) {
print_error('errorenrolmentrequired', 'forum');
}
continue;
}
} else {
// Check whether the current user is enrolled or has access to view the course
// if they don't we immediately have a problem.
if (!can_access_course($course)) {
if ($musthaveaccess) {
print_error('errorenrolmentrequired', 'forum');
}
continue;
}
// Check whether the requested user is enrolled or has access to view the course
// if they don't we immediately have a problem.
if (!can_access_course($course, $user)) {
if ($musthaveaccess) {
print_error('notenrolled', 'forum');
}
continue;
}
// If groups are in use and enforced throughout the course then make sure
// we can meet in at least one course level group.
// Note that we check if either the current user or the requested user have
// the capability to access all groups. This is because with that capability
// a user in group A could post in the group B forum. Grrrr.
if (groups_get_course_groupmode($course) == SEPARATEGROUPS && $course->groupmodeforce
&& !has_capability('moodle/site:accessallgroups', $coursecontext) && !has_capability('moodle/site:accessallgroups', $coursecontext, $user->id)) {
// If its the guest user to bad... the guest user cannot access groups
if (!$isloggedin or $isguestuser) {
// do not use require_login() here because we might have already used require_login($course)
if ($musthaveaccess) {
redirect(get_login_url());
}
continue;
}
// Get the groups of the current user
$mygroups = array_keys(groups_get_all_groups($course->id, $USER->id, $course->defaultgroupingid, 'g.id, g.name'));
// Get the groups the requested user is a member of
$usergroups = array_keys(groups_get_all_groups($course->id, $user->id, $course->defaultgroupingid, 'g.id, g.name'));
// Check whether they are members of the same group. If they are great.
$intersect = array_intersect($mygroups, $usergroups);
if (empty($intersect)) {
// But they're not... if it was a specific course throw an error otherwise
// just skip this course so that it is not searched.
if ($musthaveaccess) {
print_error("groupnotamember", '', $CFG->wwwroot."/course/view.php?id=$course->id");
}
continue;
}
}
}
// Woo hoo we got this far which means the current user can search this
// this course for the requested user. Although this is only the course accessibility
// handling that is complete, the forum accessibility tests are yet to come.
$return->courses[$course->id] = $course;
}
// No longer beed $courses array - lose it not it may be big
unset($courses);
// Make sure that we have some courses to search
if (empty($return->courses)) {
// If we don't have any courses to search then the reality is that the current
// user doesn't have access to any courses is which the requested user has posted.
// Although we do know at this point that the requested user has posts.
if ($musthaveaccess) {
print_error('permissiondenied');
} else {
return $return;
}
}
// Next step: Collect all of the forums that we will want to search.
// It is important to note that this step isn't actually about searching, it is
// about determining which forums we can search by testing accessibility.
$forums = forum_get_forums_user_posted_in($user, array_keys($return->courses), $discussionsonly);
// Will be used to build the where conditions for the search
$forumsearchwhere = array();
// Will be used to store the where condition params for the search
$forumsearchparams = array();
// Will record forums where the user can freely access everything
$forumsearchfullaccess = array();
// DB caching friendly
$now = round(time(), -2);
// For each course to search we want to find the forums the user has posted in
// and providing the current user can access the forum create a search condition
// for the forum to get the requested users posts.
foreach ($return->courses as $course) {
// Now we need to get the forums
$modinfo = get_fast_modinfo($course);
if (empty($modinfo->instances['forum'])) {
// hmmm, no forums? well at least its easy... skip!
continue;
}
// Iterate
foreach ($modinfo->get_instances_of('forum') as $forumid => $cm) {
if (!$cm->uservisible or !isset($forums[$forumid])) {
continue;
}
// Get the forum in question
$forum = $forums[$forumid];
// This is needed for functionality later on in the forum code....
$forum->cm = $cm;
// Check that either the current user can view the forum, or that the
// current user has capabilities over the requested user and the requested
// user can view the discussion
if (!has_capability('mod/forum:viewdiscussion', $cm->context) && !($hascapsonuser && has_capability('mod/forum:viewdiscussion', $cm->context, $user->id))) {
continue;
}
// This will contain forum specific where clauses
$forumsearchselect = array();
if (!$iscurrentuser && !$hascapsonuser) {
// Make sure we check group access
if (groups_get_activity_groupmode($cm, $course) == SEPARATEGROUPS and !has_capability('moodle/site:accessallgroups', $cm->context)) {
$groups = $modinfo->get_groups($cm->groupingid);
$groups[] = -1;
list($groupid_sql, $groupid_params) = $DB->get_in_or_equal($groups, SQL_PARAMS_NAMED, 'grps'.$forumid.'_');
$forumsearchparams = array_merge($forumsearchparams, $groupid_params);
$forumsearchselect[] = "d.groupid $groupid_sql";
}
// hidden timed discussions
if (!empty($CFG->forum_enabletimedposts) && !has_capability('mod/forum:viewhiddentimedposts', $cm->context)) {
$forumsearchselect[] = "(d.userid = :userid{$forumid} OR (d.timestart < :timestart{$forumid} AND (d.timeend = 0 OR d.timeend > :timeend{$forumid})))";
$forumsearchparams['userid'.$forumid] = $user->id;
$forumsearchparams['timestart'.$forumid] = $now;
$forumsearchparams['timeend'.$forumid] = $now;
}
// qanda access
if ($forum->type == 'qanda' && !has_capability('mod/forum:viewqandawithoutposting', $cm->context)) {
// We need to check whether the user has posted in the qanda forum.
$discussionspostedin = forum_discussions_user_has_posted_in($forum->id, $user->id);
if (!empty($discussionspostedin)) {
$forumonlydiscussions = array(); // Holds discussion ids for the discussions the user is allowed to see in this forum.
foreach ($discussionspostedin as $d) {
$forumonlydiscussions[] = $d->id;
}
list($discussionid_sql, $discussionid_params) = $DB->get_in_or_equal($forumonlydiscussions, SQL_PARAMS_NAMED, 'qanda'.$forumid.'_');
$forumsearchparams = array_merge($forumsearchparams, $discussionid_params);
$forumsearchselect[] = "(d.id $discussionid_sql OR p.parent = 0)";
} else {
$forumsearchselect[] = "p.parent = 0";
}
}
if (count($forumsearchselect) > 0) {
$forumsearchwhere[] = "(d.forum = :forum{$forumid} AND ".implode(" AND ", $forumsearchselect).")";
$forumsearchparams['forum'.$forumid] = $forumid;
} else {
$forumsearchfullaccess[] = $forumid;
}
} else {
// The current user/parent can see all of their own posts
$forumsearchfullaccess[] = $forumid;
}
}
}
// If we dont have any search conditions, and we don't have any forums where
// the user has full access then we just return the default.
if (empty($forumsearchwhere) && empty($forumsearchfullaccess)) {
return $return;
}
// Prepare a where condition for the full access forums.
if (count($forumsearchfullaccess) > 0) {
list($fullidsql, $fullidparams) = $DB->get_in_or_equal($forumsearchfullaccess, SQL_PARAMS_NAMED, 'fula');
$forumsearchparams = array_merge($forumsearchparams, $fullidparams);
$forumsearchwhere[] = "(d.forum $fullidsql)";
}
// Prepare SQL to both count and search.
// We alias user.id to useridx because we forum_posts already has a userid field and not aliasing this would break
// oracle and mssql.
$userfields = user_picture::fields('u', null, 'useridx');
$countsql = 'SELECT COUNT(*) ';
$selectsql = 'SELECT p.*, d.forum, d.name AS discussionname, '.$userfields.' ';
$wheresql = implode(" OR ", $forumsearchwhere);
if ($discussionsonly) {
if ($wheresql == '') {
$wheresql = 'p.parent = 0';
} else {
$wheresql = 'p.parent = 0 AND ('.$wheresql.')';
}
}
$sql = "FROM {forum_posts} p
JOIN {forum_discussions} d ON d.id = p.discussion
JOIN {user} u ON u.id = p.userid
WHERE ($wheresql)
AND p.userid = :userid ";
$orderby = "ORDER BY p.modified DESC";
$forumsearchparams['userid'] = $user->id;
// Set the total number posts made by the requested user that the current user can see
$return->totalcount = $DB->count_records_sql($countsql.$sql, $forumsearchparams);
// Set the collection of posts that has been requested
$return->posts = $DB->get_records_sql($selectsql.$sql.$orderby, $forumsearchparams, $limitfrom, $limitnum);
// We need to build an array of forums for which posts will be displayed.
// We do this here to save the caller needing to retrieve them themselves before
// printing these forums posts. Given we have the forums already there is
// practically no overhead here.
foreach ($return->posts as $post) {
if (!array_key_exists($post->forum, $return->forums)) {
$return->forums[$post->forum] = $forums[$post->forum];
}
}
return $return;
}
/**
* This function gets called by {@link settings_navigation::load_user_settings()} and actually works out
* what can be shown/done
*
* @param int $courseid The current course' id
* @param int $userid The user id to load for
* @param string $gstitle The string to pass to get_string for the branch title
* @return navigation_node|false
*/
protected function generate_user_settings($courseid, $userid, $gstitle = 'usercurrentsettings')
{
global $DB, $CFG, $USER, $SITE;
if ($courseid != $SITE->id) {
if (!empty($this->page->course->id) && $this->page->course->id == $courseid) {
$course = $this->page->course;
} else {
$select = context_helper::get_preload_record_columns_sql('ctx');
$sql = "SELECT c.*, {$select}\n FROM {course} c\n JOIN {context} ctx ON c.id = ctx.instanceid\n WHERE c.id = :courseid AND ctx.contextlevel = :contextlevel";
$params = array('courseid' => $courseid, 'contextlevel' => CONTEXT_COURSE);
$course = $DB->get_record_sql($sql, $params, MUST_EXIST);
context_helper::preload_from_record($course);
}
} else {
$course = $SITE;
}
$coursecontext = context_course::instance($course->id);
// Course context
$systemcontext = context_system::instance();
$currentuser = $USER->id == $userid;
if ($currentuser) {
$user = $USER;
$usercontext = context_user::instance($user->id);
// User context
} else {
$select = context_helper::get_preload_record_columns_sql('ctx');
$sql = "SELECT u.*, {$select}\n FROM {user} u\n JOIN {context} ctx ON u.id = ctx.instanceid\n WHERE u.id = :userid AND ctx.contextlevel = :contextlevel";
$params = array('userid' => $userid, 'contextlevel' => CONTEXT_USER);
$user = $DB->get_record_sql($sql, $params, IGNORE_MISSING);
if (!$user) {
return false;
}
context_helper::preload_from_record($user);
// Check that the user can view the profile
$usercontext = context_user::instance($user->id);
// User context
$canviewuser = has_capability('moodle/user:viewdetails', $usercontext);
if ($course->id == $SITE->id) {
if ($CFG->forceloginforprofiles && !has_coursecontact_role($user->id) && !$canviewuser) {
// Reduce possibility of "browsing" userbase at site level
// Teachers can browse and be browsed at site level. If not forceloginforprofiles, allow access (bug #4366)
return false;
}
} else {
$canviewusercourse = has_capability('moodle/user:viewdetails', $coursecontext);
$userisenrolled = is_enrolled($coursecontext, $user->id, '', true);
if (!$canviewusercourse && !$canviewuser || !$userisenrolled) {
return false;
}
$canaccessallgroups = has_capability('moodle/site:accessallgroups', $coursecontext);
if (!$canaccessallgroups && groups_get_course_groupmode($course) == SEPARATEGROUPS && !$canviewuser) {
// If groups are in use, make sure we can see that group (MDL-45874). That does not apply to parents.
if ($courseid == $this->page->course->id) {
$mygroups = get_fast_modinfo($this->page->course)->groups;
} else {
$mygroups = groups_get_user_groups($courseid);
}
$usergroups = groups_get_user_groups($courseid, $userid);
if (!array_intersect_key($mygroups[0], $usergroups[0])) {
return false;
}
}
}
}
$fullname = fullname($user, has_capability('moodle/site:viewfullnames', $this->page->context));
$key = $gstitle;
$prefurl = new moodle_url('/user/preferences.php');
if ($gstitle != 'usercurrentsettings') {
$key .= $userid;
$prefurl->param('userid', $userid);
}
// Add a user setting branch.
if ($gstitle == 'usercurrentsettings') {
$dashboard = $this->add(get_string('myhome'), new moodle_url('/my/'), self::TYPE_CONTAINER, null, 'dashboard');
// This should be set to false as we don't want to show this to the user. It's only for generating the correct
// breadcrumb.
$dashboard->display = false;
if (get_home_page() == HOMEPAGE_MY) {
$dashboard->mainnavonly = true;
}
$iscurrentuser = $user->id == $USER->id;
$baseargs = array('id' => $user->id);
if ($course->id != $SITE->id && !$iscurrentuser) {
$baseargs['course'] = $course->id;
$issitecourse = false;
} else {
// Load all categories and get the context for the system.
$issitecourse = true;
}
// Add the user profile to the dashboard.
$profilenode = $dashboard->add(get_string('profile'), new moodle_url('/user/profile.php', array('id' => $user->id)), self::TYPE_SETTING, null, 'myprofile');
if (!empty($CFG->navadduserpostslinks)) {
// Add nodes for forum posts and discussions if the user can view either or both
// There are no capability checks here as the content of the page is based
// purely on the forums the current user has access too.
$forumtab = $profilenode->add(get_string('forumposts', 'forum'));
$forumtab->add(get_string('posts', 'forum'), new moodle_url('/mod/forum/user.php', $baseargs), null, 'myposts');
$forumtab->add(get_string('discussions', 'forum'), new moodle_url('/mod/forum/user.php', array_merge($baseargs, array('mode' => 'discussions'))), null, 'mydiscussions');
}
// Add blog nodes.
if (!empty($CFG->enableblogs)) {
if (!$this->cache->cached('userblogoptions' . $user->id)) {
require_once $CFG->dirroot . '/blog/lib.php';
// Get all options for the user.
$options = blog_get_options_for_user($user);
$this->cache->set('userblogoptions' . $user->id, $options);
} else {
$options = $this->cache->{'userblogoptions' . $user->id};
}
if (count($options) > 0) {
$blogs = $profilenode->add(get_string('blogs', 'blog'), null, navigation_node::TYPE_CONTAINER);
foreach ($options as $type => $option) {
if ($type == "rss") {
$blogs->add($option['string'], $option['link'], self::TYPE_SETTING, null, null, new pix_icon('i/rss', ''));
} else {
$blogs->add($option['string'], $option['link'], self::TYPE_SETTING, null, 'blog' . $type);
}
}
}
}
// Add the messages link.
// It is context based so can appear in the user's profile and in course participants information.
if (!empty($CFG->messaging)) {
$messageargs = array('user1' => $USER->id);
if ($USER->id != $user->id) {
$messageargs['user2'] = $user->id;
}
if ($course->id != $SITE->id) {
$messageargs['viewing'] = MESSAGE_VIEW_COURSE . $course->id;
}
$url = new moodle_url('/message/index.php', $messageargs);
$dashboard->add(get_string('messages', 'message'), $url, self::TYPE_SETTING, null, 'messages');
}
// Add the "My private files" link.
// This link doesn't have a unique display for course context so only display it under the user's profile.
if ($issitecourse && $iscurrentuser && has_capability('moodle/user:manageownfiles', $usercontext)) {
$url = new moodle_url('/user/files.php');
$dashboard->add(get_string('privatefiles'), $url, self::TYPE_SETTING);
}
// Add a node to view the users notes if permitted.
if (!empty($CFG->enablenotes) && has_any_capability(array('moodle/notes:manage', 'moodle/notes:view'), $coursecontext)) {
$url = new moodle_url('/notes/index.php', array('user' => $user->id));
if ($coursecontext->instanceid != SITEID) {
$url->param('course', $coursecontext->instanceid);
}
$profilenode->add(get_string('notes', 'notes'), $url);
}
// Show the grades node.
if ($issitecourse && $iscurrentuser || has_capability('moodle/user:viewdetails', $usercontext)) {
require_once $CFG->dirroot . '/user/lib.php';
// Set the grades node to link to the "Grades" page.
if ($course->id == SITEID) {
$url = user_mygrades_url($user->id, $course->id);
} else {
// Otherwise we are in a course and should redirect to the user grade report (Activity report version).
$url = new moodle_url('/course/user.php', array('mode' => 'grade', 'id' => $course->id, 'user' => $user->id));
}
$dashboard->add(get_string('grades', 'grades'), $url, self::TYPE_SETTING, null, 'mygrades');
}
// Let plugins hook into user navigation.
$pluginsfunction = get_plugins_with_function('extend_navigation_user', 'lib.php');
foreach ($pluginsfunction as $plugintype => $plugins) {
if ($plugintype != 'report') {
foreach ($plugins as $pluginfunction) {
$pluginfunction($profilenode, $user, $usercontext, $course, $coursecontext);
}
}
}
$usersetting = navigation_node::create(get_string('preferences', 'moodle'), $prefurl, self::TYPE_CONTAINER, null, $key);
$dashboard->add_node($usersetting);
} else {
$usersetting = $this->add(get_string('preferences', 'moodle'), $prefurl, self::TYPE_CONTAINER, null, $key);
$usersetting->display = false;
}
$usersetting->id = 'usersettings';
// Check if the user has been deleted.
if ($user->deleted) {
if (!has_capability('moodle/user:update', $coursecontext)) {
// We can't edit the user so just show the user deleted message.
$usersetting->add(get_string('userdeleted'), null, self::TYPE_SETTING);
} else {
// We can edit the user so show the user deleted message and link it to the profile.
if ($course->id == $SITE->id) {
$profileurl = new moodle_url('/user/profile.php', array('id' => $user->id));
} else {
$profileurl = new moodle_url('/user/view.php', array('id' => $user->id, 'course' => $course->id));
}
$usersetting->add(get_string('userdeleted'), $profileurl, self::TYPE_SETTING);
}
return true;
}
$userauthplugin = false;
if (!empty($user->auth)) {
$userauthplugin = get_auth_plugin($user->auth);
}
$useraccount = $usersetting->add(get_string('useraccount'), null, self::TYPE_CONTAINER, null, 'useraccount');
// Add the profile edit link.
if (isloggedin() && !isguestuser($user) && !is_mnet_remote_user($user)) {
if (($currentuser || is_siteadmin($USER) || !is_siteadmin($user)) && has_capability('moodle/user:update', $systemcontext)) {
$url = new moodle_url('/user/editadvanced.php', array('id' => $user->id, 'course' => $course->id));
$useraccount->add(get_string('editmyprofile'), $url, self::TYPE_SETTING);
} else {
if (has_capability('moodle/user:editprofile', $usercontext) && !is_siteadmin($user) || $currentuser && has_capability('moodle/user:editownprofile', $systemcontext)) {
if ($userauthplugin && $userauthplugin->can_edit_profile()) {
$url = $userauthplugin->edit_profile_url();
if (empty($url)) {
$url = new moodle_url('/user/edit.php', array('id' => $user->id, 'course' => $course->id));
}
$useraccount->add(get_string('editmyprofile'), $url, self::TYPE_SETTING);
}
}
}
}
// Change password link.
if ($userauthplugin && $currentuser && !\core\session\manager::is_loggedinas() && !isguestuser() && has_capability('moodle/user:changeownpassword', $systemcontext) && $userauthplugin->can_change_password()) {
$passwordchangeurl = $userauthplugin->change_password_url();
if (empty($passwordchangeurl)) {
$passwordchangeurl = new moodle_url('/login/change_password.php', array('id' => $course->id));
}
$useraccount->add(get_string("changepassword"), $passwordchangeurl, self::TYPE_SETTING, null, 'changepassword');
}
if (isloggedin() && !isguestuser($user) && !is_mnet_remote_user($user)) {
if ($currentuser && has_capability('moodle/user:editownprofile', $systemcontext) || has_capability('moodle/user:editprofile', $usercontext)) {
$url = new moodle_url('/user/language.php', array('id' => $user->id, 'course' => $course->id));
$useraccount->add(get_string('preferredlanguage'), $url, self::TYPE_SETTING, null, 'preferredlanguage');
}
}
$pluginmanager = core_plugin_manager::instance();
$enabled = $pluginmanager->get_enabled_plugins('mod');
if (isset($enabled['forum']) && isloggedin() && !isguestuser($user) && !is_mnet_remote_user($user)) {
if ($currentuser && has_capability('moodle/user:editownprofile', $systemcontext) || has_capability('moodle/user:editprofile', $usercontext)) {
$url = new moodle_url('/user/forum.php', array('id' => $user->id, 'course' => $course->id));
$useraccount->add(get_string('forumpreferences'), $url, self::TYPE_SETTING);
}
}
$editors = editors_get_enabled();
if (count($editors) > 1) {
if (isloggedin() && !isguestuser($user) && !is_mnet_remote_user($user)) {
if ($currentuser && has_capability('moodle/user:editownprofile', $systemcontext) || has_capability('moodle/user:editprofile', $usercontext)) {
$url = new moodle_url('/user/editor.php', array('id' => $user->id, 'course' => $course->id));
$useraccount->add(get_string('editorpreferences'), $url, self::TYPE_SETTING);
}
}
}
// Add "Course preferences" link.
if (isloggedin() && !isguestuser($user)) {
if ($currentuser && has_capability('moodle/user:editownprofile', $systemcontext) || has_capability('moodle/user:editprofile', $usercontext)) {
$url = new moodle_url('/user/course.php', array('id' => $user->id, 'course' => $course->id));
$useraccount->add(get_string('coursepreferences'), $url, self::TYPE_SETTING, null, 'coursepreferences');
}
}
// View the roles settings.
if (has_any_capability(array('moodle/role:assign', 'moodle/role:safeoverride', 'moodle/role:override', 'moodle/role:manage'), $usercontext)) {
$roles = $usersetting->add(get_string('roles'), null, self::TYPE_SETTING);
$url = new moodle_url('/admin/roles/usersroles.php', array('userid' => $user->id, 'courseid' => $course->id));
$roles->add(get_string('thisusersroles', 'role'), $url, self::TYPE_SETTING);
$assignableroles = get_assignable_roles($usercontext, ROLENAME_BOTH);
if (!empty($assignableroles)) {
$url = new moodle_url('/admin/roles/assign.php', array('contextid' => $usercontext->id, 'userid' => $user->id, 'courseid' => $course->id));
$roles->add(get_string('assignrolesrelativetothisuser', 'role'), $url, self::TYPE_SETTING);
}
if (has_capability('moodle/role:review', $usercontext) || count(get_overridable_roles($usercontext, ROLENAME_BOTH)) > 0) {
$url = new moodle_url('/admin/roles/permissions.php', array('contextid' => $usercontext->id, 'userid' => $user->id, 'courseid' => $course->id));
$roles->add(get_string('permissions', 'role'), $url, self::TYPE_SETTING);
}
$url = new moodle_url('/admin/roles/check.php', array('contextid' => $usercontext->id, 'userid' => $user->id, 'courseid' => $course->id));
$roles->add(get_string('checkpermissions', 'role'), $url, self::TYPE_SETTING);
}
// Repositories.
if (!$this->cache->cached('contexthasrepos' . $usercontext->id)) {
require_once $CFG->dirroot . '/repository/lib.php';
$editabletypes = repository::get_editable_types($usercontext);
$haseditabletypes = !empty($editabletypes);
unset($editabletypes);
$this->cache->set('contexthasrepos' . $usercontext->id, $haseditabletypes);
} else {
$haseditabletypes = $this->cache->{'contexthasrepos' . $usercontext->id};
}
if ($haseditabletypes) {
$repositories = $usersetting->add(get_string('repositories', 'repository'), null, self::TYPE_SETTING);
$repositories->add(get_string('manageinstances', 'repository'), new moodle_url('/repository/manage_instances.php', array('contextid' => $usercontext->id)));
}
// Portfolio.
if ($currentuser && !empty($CFG->enableportfolios) && has_capability('moodle/portfolio:export', $systemcontext)) {
require_once $CFG->libdir . '/portfoliolib.php';
if (portfolio_has_visible_instances()) {
$portfolio = $usersetting->add(get_string('portfolios', 'portfolio'), null, self::TYPE_SETTING);
$url = new moodle_url('/user/portfolio.php', array('courseid' => $course->id));
$portfolio->add(get_string('configure', 'portfolio'), $url, self::TYPE_SETTING);
$url = new moodle_url('/user/portfoliologs.php', array('courseid' => $course->id));
$portfolio->add(get_string('logs', 'portfolio'), $url, self::TYPE_SETTING);
}
}
$enablemanagetokens = false;
if (!empty($CFG->enablerssfeeds)) {
$enablemanagetokens = true;
} else {
if (!is_siteadmin($USER->id) && !empty($CFG->enablewebservices) && has_capability('moodle/webservice:createtoken', context_system::instance())) {
$enablemanagetokens = true;
}
}
// Security keys.
if ($currentuser && $enablemanagetokens) {
$url = new moodle_url('/user/managetoken.php', array('sesskey' => sesskey()));
$useraccount->add(get_string('securitykeys', 'webservice'), $url, self::TYPE_SETTING);
}
// Messaging.
if ($currentuser && has_capability('moodle/user:editownmessageprofile', $systemcontext) || !isguestuser($user) && has_capability('moodle/user:editmessageprofile', $usercontext) && !is_primary_admin($user->id)) {
$url = new moodle_url('/message/edit.php', array('id' => $user->id));
$useraccount->add(get_string('messaging', 'message'), $url, self::TYPE_SETTING);
}
// Blogs.
if ($currentuser && !empty($CFG->enableblogs)) {
$blog = $usersetting->add(get_string('blogs', 'blog'), null, navigation_node::TYPE_CONTAINER, null, 'blogs');
if (has_capability('moodle/blog:view', $systemcontext)) {
$blog->add(get_string('preferences', 'blog'), new moodle_url('/blog/preferences.php'), navigation_node::TYPE_SETTING);
}
if (!empty($CFG->useexternalblogs) && $CFG->maxexternalblogsperuser > 0 && has_capability('moodle/blog:manageexternal', $systemcontext)) {
$blog->add(get_string('externalblogs', 'blog'), new moodle_url('/blog/external_blogs.php'), navigation_node::TYPE_SETTING);
$blog->add(get_string('addnewexternalblog', 'blog'), new moodle_url('/blog/external_blog_edit.php'), navigation_node::TYPE_SETTING);
}
// Remove the blog node if empty.
$blog->trim_if_empty();
}
// Badges.
if ($currentuser && !empty($CFG->enablebadges)) {
$badges = $usersetting->add(get_string('badges'), null, navigation_node::TYPE_CONTAINER, null, 'badges');
if (has_capability('moodle/badges:manageownbadges', $usercontext)) {
$url = new moodle_url('/badges/mybadges.php');
$badges->add(get_string('managebadges', 'badges'), $url, self::TYPE_SETTING);
}
$badges->add(get_string('preferences', 'badges'), new moodle_url('/badges/preferences.php'), navigation_node::TYPE_SETTING);
if (!empty($CFG->badges_allowexternalbackpack)) {
$badges->add(get_string('backpackdetails', 'badges'), new moodle_url('/badges/mybackpack.php'), navigation_node::TYPE_SETTING);
}
}
// Let plugins hook into user settings navigation.
$pluginsfunction = get_plugins_with_function('extend_navigation_user_settings', 'lib.php');
foreach ($pluginsfunction as $plugintype => $plugins) {
foreach ($plugins as $pluginfunction) {
$pluginfunction($usersetting, $user, $usercontext, $course, $coursecontext);
}
}
return $usersetting;
}
/**
* Returns true if the user is able to access the course.
*
* This function is in no way, shape, or form a substitute for require_login.
* It should only be used in circumstances where it is not possible to call require_login
* such as the navigation.
*
* This function checks many of the methods of access to a course such as the view
* capability, enrollments, and guest access. It also makes use of the cache
* generated by require_login for guest access.
*
* The flags within the $USER object that are used here should NEVER be used outside
* of this function can_access_course and require_login. Doing so WILL break future
* versions.
*
* @param stdClass $course record
* @param stdClass|int|null $user user record or id, current user if null
* @param string $withcapability Check for this capability as well.
* @param bool $onlyactive consider only active enrolments in enabled plugins and time restrictions
* @return boolean Returns true if the user is able to access the course
*/
function can_access_course(stdClass $course, $user = null, $withcapability = '', $onlyactive = false)
{
global $DB, $USER;
// this function originally accepted $coursecontext parameter
if ($course instanceof context) {
if ($course instanceof context_course) {
debugging('deprecated context parameter, please use $course record');
$coursecontext = $course;
$course = $DB->get_record('course', array('id' => $coursecontext->instanceid));
} else {
debugging('Invalid context parameter, please use $course record');
return false;
}
} else {
$coursecontext = context_course::instance($course->id);
}
if (!isset($USER->id)) {
// should never happen
$USER->id = 0;
}
// make sure there is a user specified
if ($user === null) {
$userid = $USER->id;
} else {
$userid = is_object($user) ? $user->id : $user;
}
unset($user);
if ($withcapability and !has_capability($withcapability, $coursecontext, $userid)) {
return false;
}
if ($userid == $USER->id) {
if (!empty($USER->access['rsw'][$coursecontext->path])) {
// the fact that somebody switched role means they can access the course no matter to what role they switched
return true;
}
}
if (!$course->visible and !has_capability('moodle/course:viewhiddencourses', $coursecontext, $userid)) {
return false;
}
if (is_viewing($coursecontext, $userid)) {
return true;
}
if ($userid != $USER->id) {
// for performance reasons we do not verify temporary guest access for other users, sorry...
return is_enrolled($coursecontext, $userid, '', $onlyactive);
}
// === from here we deal only with $USER ===
$coursecontext->reload_if_dirty();
if (isset($USER->enrol['enrolled'][$course->id])) {
if ($USER->enrol['enrolled'][$course->id] > time()) {
return true;
}
}
if (isset($USER->enrol['tempguest'][$course->id])) {
if ($USER->enrol['tempguest'][$course->id] > time()) {
return true;
}
}
if (is_enrolled($coursecontext, $USER, '', $onlyactive)) {
return true;
}
// if not enrolled try to gain temporary guest access
$instances = $DB->get_records('enrol', array('courseid' => $course->id, 'status' => ENROL_INSTANCE_ENABLED), 'sortorder, id ASC');
$enrols = enrol_get_plugins(true);
foreach ($instances as $instance) {
if (!isset($enrols[$instance->enrol])) {
continue;
}
// Get a duration for the guest access, a timestamp in the future, 0 (always) or false.
$until = $enrols[$instance->enrol]->try_guestaccess($instance);
if ($until !== false and $until > time()) {
$USER->enrol['tempguest'][$course->id] = $until;
return true;
}
}
if (isset($USER->enrol['tempguest'][$course->id])) {
unset($USER->enrol['tempguest'][$course->id]);
remove_temp_course_roles($coursecontext);
}
return false;
}
// Graph Type.
$user = required_param('user', PARAM_INT);
// Student ID.
$date = optional_param('date', 0, PARAM_INT);
// A time of a day (in GMT).
$logreader = optional_param('logreader', '', PARAM_COMPONENT);
$url = new moodle_url('/report/log/graph.php', array('id' => $id, 'type' => $type, 'user' => $user, 'date' => $date, 'logreader' => $logreader));
$PAGE->set_url($url);
if ($type !== "usercourse.png" and $type !== "userday.png") {
$type = 'userday.png';
}
$course = $DB->get_record("course", array("id" => $id), '*', MUST_EXIST);
$user = $DB->get_record("user", array("id" => $user, 'deleted' => 0), '*', MUST_EXIST);
$coursecontext = context_course::instance($course->id);
$personalcontext = context_user::instance($user->id);
if ($USER->id != $user->id and has_capability('moodle/user:viewuseractivitiesreport', $personalcontext) and !is_enrolled($coursecontext, $USER) and is_enrolled($coursecontext, $user)) {
//TODO: do not require parents to be enrolled in courses - this is a hack!
require_login();
$PAGE->set_course($course);
} else {
require_login($course);
}
list($all, $today) = report_log_can_access_user_report($user, $course);
if ($type === "userday.png") {
if (!$today) {
require_capability('report/log:viewtoday', $coursecontext);
}
} else {
if (!$all) {
require_capability('report/log:view', $coursecontext);
}
