/**
* Finds all subscribed users
*
* @param string $search
* @return array
*/
public function find_users($search)
{
global $DB;
list($wherecondition, $params) = $this->search_sql($search, 'u');
$params['twfid'] = $this->twfid;
// only active enrolled or everybody on the frontpage
list($esql, $eparams) = get_enrolled_sql($this->context, '', $this->currentgroup, true);
$fields = $this->required_fields_sql('u');
list($sort, $sortparams) = users_order_by_sql('u', $search, $this->accesscontext);
$params = array_merge($params, $eparams, $sortparams);
$subscribers = $DB->get_records_sql("SELECT {$fields}\n FROM {user} u\n JOIN ({$esql}) je ON je.id = u.id\n JOIN {twf_subscriptions} s ON s.userid = u.id\n WHERE {$wherecondition} AND s.twf = :twfid\n ORDER BY {$sort}", $params);
$cm = get_coursemodule_from_instance('twf', $this->twfid);
$modinfo = get_fast_modinfo($cm->course);
$info = new \core_availability\info_module($modinfo->get_cm($cm->id));
$subscribers = $info->filter_user_list($subscribers);
return array(get_string("existingsubscribers", 'twf') => $subscribers);
}
/**
* If dynamic data for this course-module is not yet available, gets it.
*
* This function is automatically called when requesting any course_modinfo property
* that can be modified by modules (have a set_xxx method).
*
* Dynamic data is data which does not come directly from the cache but is calculated at
* runtime based on the current user. Primarily this concerns whether the user can access
* the module or not.
*
* As part of this function, the module's _cm_info_dynamic function from its lib.php will
* be called (if it exists).
* @return void
*/
private function obtain_dynamic_data()
{
global $CFG;
$userid = $this->modinfo->get_user_id();
if ($this->state >= self::STATE_BUILDING_DYNAMIC || $userid == -1) {
return;
}
$this->state = self::STATE_BUILDING_DYNAMIC;
if (!empty($CFG->enableavailability)) {
require_once $CFG->libdir . '/conditionlib.php';
// Get availability information.
$ci = new \core_availability\info_module($this);
// Note that the modinfo currently available only includes minimal details (basic data)
// but we know that this function does not need anything more than basic data.
$this->available = $ci->is_available($this->availableinfo, true, $userid, $this->modinfo);
// Check parent section
$parentsection = $this->modinfo->get_section_info($this->sectionnum);
if (!$parentsection->available) {
// Do not store info from section here, as that is already
// presented from the section (if appropriate) - just change
// the flag
$this->available = false;
}
} else {
$this->available = true;
}
// Update visible state for current user
$this->update_user_visible();
// Let module make dynamic changes at this point
$this->call_mod_function('cm_info_dynamic');
$this->state = self::STATE_DYNAMIC;
}
/**
* count users which have not completed the feedback
*
* @global object
* @uses CONTEXT_MODULE
* @param cm_info $cm Course-module object
* @param int $group single groupid
* @param string $sort
* @param int $startpage
* @param int $pagecount
* @return object the userrecords
*/
function feedback_get_incomplete_users(cm_info $cm, $group = false, $sort = '', $startpage = false, $pagecount = false)
{
global $DB;
$context = context_module::instance($cm->id);
//first get all user who can complete this feedback
$cap = 'mod/feedback:complete';
$fields = 'u.id, u.username';
if (!($allusers = get_users_by_capability($context, $cap, $fields, $sort, '', '', $group, '', true))) {
return false;
}
// Filter users that are not in the correct group/grouping.
$info = new \core_availability\info_module($cm);
$allusers = $info->filter_user_list($allusers);
$allusers = array_keys($allusers);
//now get all completeds
$params = array('feedback' => $cm->instance);
if (!($completedusers = $DB->get_records_menu('feedback_completed', $params, '', 'userid,id'))) {
return $allusers;
}
$completedusers = array_keys($completedusers);
//now strike all completedusers from allusers
$allusers = array_diff($allusers, $completedusers);
//for paging I use array_slice()
if ($startpage !== false and $pagecount !== false) {
$allusers = array_slice($allusers, $startpage, $pagecount);
}
return $allusers;
}
/**
* get list of possible attendees (i.e., users that can make an appointment)
* @param $groups - single group or array of groups - only return
* users who are in one of these group(s).
* @return array of moodle user records
*/
public function get_possible_attendees($groups = '')
{
// TODO does this need to go to the controller?
// If full group objects are given, reduce the array to only group ids.
if (is_array($groups) && is_object(array_values($groups)[0])) {
$groups = array_keys($groups);
}
$attendees = get_users_by_capability($this->get_context(), 'mod/scheduler:appoint', '', 'lastname, firstname', '', '', $groups, '', false, false, false);
$modinfo = get_fast_modinfo($this->courseid);
$info = new \core_availability\info_module($modinfo->get_cm($this->cmid));
$attendees = $info->filter_user_list($attendees);
return $attendees;
}
/**
* @global object
* @global object
* @global object
* @uses CONTEXT_MODULE
* @param object $choicegroup
* @param object $cm
* @return array
*/
function choicegroup_get_response_data($choicegroup, $cm)
{
// Initialise the returned array, which is a matrix: $allresponses[responseid][userid] = responseobject.
static $allresponses = array();
if (count($allresponses)) {
return $allresponses;
}
// First get all the users who have access here.
// To start with we assume they are all "unanswered" then move them later.
$ctx = \context_module::instance($cm->id);
$users = get_enrolled_users($ctx, 'mod/choicegroup:choose', 0, user_picture::fields('u', array('idnumber')), 'u.lastname ASC,u.firstname ASC');
if ($users) {
$modinfo = get_fast_modinfo($cm->course);
$cminfo = $modinfo->get_cm($cm->id);
$availability = new \core_availability\info_module($cminfo);
$users = $availability->filter_user_list($users);
}
$allresponses[0] = $users;
foreach ($allresponses[0] as $user) {
$currentanswers = choicegroup_get_user_answer($choicegroup, $user, true);
if ($currentanswers != false) {
foreach ($currentanswers as $current) {
$allresponses[$current->id][$user->id] = clone $allresponses[0][$user->id];
$allresponses[$current->id][$user->id]->timemodified = $current->timeuseradded;
}
// Remove from unanswered column.
unset($allresponses[0][$user->id]);
}
}
return $allresponses;
}
/**
* Used in course/lib.php because we need to disable the completion JS if
* a completion value affects a conditional activity.
*
* @param \stdClass $course Moodle course object
* @param int $cmid Course-module id
* @return bool True if this is used in a condition, false otherwise
*/
public static function completion_value_used($course, $cmid)
{
// Have we already worked out a list of required completion values
// for this course? If so just use that.
if (!array_key_exists($course->id, self::$modsusedincondition)) {
// We don't have data for this course, build it.
$modinfo = get_fast_modinfo($course);
self::$modsusedincondition[$course->id] = array();
// Activities.
foreach ($modinfo->cms as $othercm) {
if (is_null($othercm->availability)) {
continue;
}
$ci = new \core_availability\info_module($othercm);
$tree = $ci->get_availability_tree();
foreach ($tree->get_all_children('availability_completion\\condition') as $cond) {
self::$modsusedincondition[$course->id][$cond->cmid] = true;
}
}
// Sections.
foreach ($modinfo->get_section_info_all() as $section) {
if (is_null($section->availability)) {
continue;
}
$ci = new \core_availability\info_section($section);
$tree = $ci->get_availability_tree();
foreach ($tree->get_all_children('availability_completion\\condition') as $cond) {
self::$modsusedincondition[$course->id][$cond->cmid] = true;
}
}
}
return array_key_exists($cmid, self::$modsusedincondition[$course->id]);
}
/**
* Filter a user list and return only the users that can see the course module based on
* groups/permissions etc. It is assumed that the users are pre-filtered to those who are enrolled in the course.
*
* @category group
* @param stdClass|cm_info $cm The course module
* @param array $users An array of users, indexed by userid
* @return array A filtered list of users that can see the module, indexed by userid.
* @deprecated Since Moodle 2.8
*/
function groups_filter_users_by_course_module_visible($cm, $users)
{
debugging('groups_filter_users_by_course_module_visible() is deprecated. ' . 'Replace with a call to \\core_availability\\info_module::filter_user_list(), ' . 'which does basically the same thing but includes other restrictions such ' . 'as profile restrictions.', DEBUG_DEVELOPER);
if (empty($users)) {
return $users;
}
// Since this function allows stdclass, let's play it safe and ensure we
// do have a cm_info.
if (!$cm instanceof cm_info) {
$modinfo = get_fast_modinfo($cm->course);
$cm = $modinfo->get_cm($cm->id);
}
$info = new \core_availability\info_module($cm);
return $info->filter_user_list($users);
}
/**
* Returns a list of user objects who are subscribed to this forum.
*
* @param stdClass $forum The forum record.
* @param int $groupid The group id if restricting subscriptions to a group of users, or 0 for all.
* @param context_module $context the forum context, to save re-fetching it where possible.
* @param string $fields requested user fields (with "u." table prefix).
* @param boolean $includediscussionsubscriptions Whether to take discussion subscriptions and unsubscriptions into consideration.
* @return array list of users.
*/
public static function fetch_subscribed_users($forum, $groupid = 0, $context = null, $fields = null, $includediscussionsubscriptions = false)
{
global $CFG, $DB;
if (empty($fields)) {
$allnames = get_all_user_name_fields(true, 'u');
$fields = "u.id,\n u.username,\n {$allnames},\n u.maildisplay,\n u.mailformat,\n u.maildigest,\n u.imagealt,\n u.email,\n u.emailstop,\n u.city,\n u.country,\n u.lastaccess,\n u.lastlogin,\n u.picture,\n u.timezone,\n u.theme,\n u.lang,\n u.trackforums,\n u.mnethostid";
}
// Retrieve the forum context if it wasn't specified.
$context = forum_get_context($forum->id, $context);
if (self::is_forcesubscribed($forum)) {
$results = \mod_forum\subscriptions::get_potential_subscribers($context, $groupid, $fields, "u.email ASC");
} else {
// Only active enrolled users or everybody on the frontpage.
list($esql, $params) = get_enrolled_sql($context, '', $groupid, true);
$params['forumid'] = $forum->id;
if ($includediscussionsubscriptions) {
$params['sforumid'] = $forum->id;
$params['dsforumid'] = $forum->id;
$params['unsubscribed'] = self::FORUM_DISCUSSION_UNSUBSCRIBED;
$sql = "SELECT {$fields}\n FROM (\n SELECT userid FROM {forum_subscriptions} s\n WHERE\n s.forum = :sforumid\n UNION\n SELECT userid FROM {forum_discussion_subs} ds\n WHERE\n ds.forum = :dsforumid AND ds.preference <> :unsubscribed\n ) subscriptions\n JOIN {user} u ON u.id = subscriptions.userid\n JOIN ({$esql}) je ON je.id = u.id\n ORDER BY u.email ASC";
} else {
$sql = "SELECT {$fields}\n FROM {user} u\n JOIN ({$esql}) je ON je.id = u.id\n JOIN {forum_subscriptions} s ON s.userid = u.id\n WHERE\n s.forum = :forumid\n ORDER BY u.email ASC";
}
$results = $DB->get_records_sql($sql, $params);
}
// Guest user should never be subscribed to a forum.
unset($results[$CFG->siteguest]);
// Apply the activity module availability resetrictions.
$cm = get_coursemodule_from_instance('forum', $forum->id, $forum->course);
$modinfo = get_fast_modinfo($forum->course);
$info = new \core_availability\info_module($modinfo->get_cm($cm->id));
$results = $info->filter_user_list($results);
return $results;
}
echo html_writer::table($table);
}
if ($hasinactive) {
echo $OUTPUT->notification(get_string('inactiveoverridehelp', 'lesson'), 'dimmed_text');
}
echo html_writer::start_tag('div', array('class' => 'buttons'));
$options = array();
if ($groupmode) {
if (empty($groups)) {
// There are no groups.
echo $OUTPUT->notification(get_string('groupsnone', 'lesson'), 'error');
$options['disabled'] = true;
}
echo $OUTPUT->single_button($overrideediturl->out(true, array('action' => 'addgroup', 'cmid' => $cm->id)), get_string('addnewgroupoverride', 'lesson'), 'post', $options);
} else {
$users = array();
// See if there are any users in the lesson.
$users = get_enrolled_users($context);
$info = new \core_availability\info_module($cm);
$users = $info->filter_user_list($users);
if (empty($users)) {
// There are no users.
echo $OUTPUT->notification(get_string('usersnone', 'lesson'), 'error');
$options['disabled'] = true;
}
echo $OUTPUT->single_button($overrideediturl->out(true, array('action' => 'adduser', 'cmid' => $cm->id)), get_string('addnewuseroverride', 'lesson'), 'get', $options);
}
echo html_writer::end_tag('div');
echo html_writer::end_tag('div');
// Finish the page.
echo $OUTPUT->footer();
/**
* Renders HTML to show course module availability information
*
* @param cm_info $mod
* @param array $displayoptions
* @return string
*/
public function course_section_cm_availability(cm_info $mod, $displayoptions = array())
{
// If we have available info, always spit it out.
if (!empty($mod->availableinfo)) {
$availinfo = $mod->availableinfo;
} else {
$ci = new \core_availability\info_module($mod);
$availinfo = $ci->get_full_information();
}
if ($availinfo) {
$formattedinfo = \core_availability\info::format_info($availinfo, $mod->get_course());
return html_writer::div($formattedinfo, 'availabilityinfo');
}
return '';
}
/**
* Define this form - called by the parent constructor
*/
protected function definition()
{
global $CFG, $DB;
$cm = $this->cm;
$mform = $this->_form;
$mform->addElement('header', 'override', get_string('override', 'lesson'));
if ($this->groupmode) {
// Group override.
if ($this->groupid) {
// There is already a groupid, so freeze the selector.
$groupchoices = array();
$groupchoices[$this->groupid] = groups_get_group_name($this->groupid);
$mform->addElement('select', 'groupid', get_string('overridegroup', 'lesson'), $groupchoices);
$mform->freeze('groupid');
} else {
// Prepare the list of groups.
$groups = groups_get_all_groups($cm->course);
if (empty($groups)) {
// Generate an error.
$link = new moodle_url('/mod/lesson/overrides.php', array('cmid' => $cm->id));
print_error('groupsnone', 'lesson', $link);
}
$groupchoices = array();
foreach ($groups as $group) {
$groupchoices[$group->id] = $group->name;
}
unset($groups);
if (count($groupchoices) == 0) {
$groupchoices[0] = get_string('none');
}
$mform->addElement('select', 'groupid', get_string('overridegroup', 'lesson'), $groupchoices);
$mform->addRule('groupid', get_string('required'), 'required', null, 'client');
}
} else {
// User override.
if ($this->userid) {
// There is already a userid, so freeze the selector.
$user = $DB->get_record('user', array('id' => $this->userid));
$userchoices = array();
$userchoices[$this->userid] = fullname($user);
$mform->addElement('select', 'userid', get_string('overrideuser', 'lesson'), $userchoices);
$mform->freeze('userid');
} else {
// Prepare the list of users.
$users = get_enrolled_users($this->context, '', 0, 'u.id, u.email, ' . get_all_user_name_fields(true, 'u'));
// Filter users based on any fixed restrictions (groups, profile).
$info = new \core_availability\info_module($cm);
$users = $info->filter_user_list($users);
if (empty($users)) {
// Generate an error.
$link = new moodle_url('/mod/lesson/overrides.php', array('cmid' => $cm->id));
print_error('usersnone', 'lesson', $link);
}
$userchoices = array();
$canviewemail = in_array('email', get_extra_user_fields($this->context));
foreach ($users as $id => $user) {
if (empty($invalidusers[$id]) || !empty($override) && $id == $override->userid) {
if ($canviewemail) {
$userchoices[$id] = fullname($user) . ', ' . $user->email;
} else {
$userchoices[$id] = fullname($user);
}
}
}
unset($users);
if (count($userchoices) == 0) {
$userchoices[0] = get_string('none');
}
$mform->addElement('searchableselector', 'userid', get_string('overrideuser', 'lesson'), $userchoices);
$mform->addRule('userid', get_string('required'), 'required', null, 'client');
}
}
// Password.
// This field has to be above the date and timelimit fields,
// otherwise browsers will clear it when those fields are changed.
$mform->addElement('passwordunmask', 'password', get_string('usepassword', 'lesson'));
$mform->setType('password', PARAM_TEXT);
$mform->addHelpButton('password', 'usepassword', 'lesson');
$mform->setDefault('password', $this->lesson->password);
// Open and close dates.
$mform->addElement('date_time_selector', 'available', get_string('available', 'lesson'), array('optional' => true));
$mform->setDefault('available', $this->lesson->available);
$mform->addElement('date_time_selector', 'deadline', get_string('deadline', 'lesson'), array('optional' => true));
$mform->setDefault('deadline', $this->lesson->deadline);
// Lesson time limit.
$mform->addElement('duration', 'timelimit', get_string('timelimit', 'lesson'), array('optional' => true));
if ($this->lesson->timelimit != 0) {
$mform->setDefault('timelimit', 0);
} else {
$mform->setDefault('timelimit', $this->lesson->timelimit);
}
// Try a question again.
$mform->addElement('selectyesno', 'review', get_string('displayreview', 'lesson'));
$mform->addHelpButton('review', 'displayreview', 'lesson');
$mform->setDefault('review', $this->lesson->review);
// Number of attempts.
$numbers = array();
for ($i = 10; $i > 0; $i--) {
$numbers[$i] = $i;
}
$mform->addElement('select', 'maxattempts', get_string('maximumnumberofattempts', 'lesson'), $numbers);
$mform->addHelpButton('maxattempts', 'maximumnumberofattempts', 'lesson');
$mform->setDefault('maxattempts', $this->lesson->maxattempts);
// Retake allowed.
$mform->addElement('selectyesno', 'retake', get_string('retakesallowed', 'lesson'));
$mform->addHelpButton('retake', 'retakesallowed', 'lesson');
$mform->setDefault('retake', $this->lesson->retake);
// Submit buttons.
$mform->addElement('submit', 'resetbutton', get_string('reverttodefaults', 'lesson'));
$buttonarray = array();
$buttonarray[] = $mform->createElement('submit', 'submitbutton', get_string('save', 'lesson'));
$buttonarray[] = $mform->createElement('submit', 'againbutton', get_string('saveoverrideandstay', 'lesson'));
$buttonarray[] = $mform->createElement('cancel');
$mform->addGroup($buttonarray, 'buttonbar', '', array(' '), false);
$mform->closeHeaderBefore('buttonbar');
}
/**
* Return conditionally unavailable elements.
* @param $course
* @return array
* @throws \coding_exception
*/
public static function conditionally_unavailable_elements($course)
{
$cancomplete = isloggedin() && !isguestuser();
$unavailablesections = [];
$unavailablemods = [];
$information = '';
if ($cancomplete) {
$completioninfo = new \completion_info($course);
if ($completioninfo->is_enabled()) {
$modinfo = get_fast_modinfo($course);
$sections = $modinfo->get_section_info_all();
foreach ($sections as $number => $section) {
$ci = new \core_availability\info_section($section);
if (!$ci->is_available($information, true)) {
$unavailablesections[] = $number;
}
}
foreach ($modinfo->get_cms() as $mod) {
$ci = new \core_availability\info_module($mod);
if (!$ci->is_available($information, true)) {
$unavailablemods[] = $mod->id;
}
}
}
}
return [$unavailablesections, $unavailablemods];
}
/**
* Finds all potential users
*
* Potential subscribers are all enroled users who are not already subscribed.
*
* @param string $search
* @return array
*/
public function find_users($search)
{
global $DB;
$whereconditions = array();
list($wherecondition, $params) = $this->search_sql($search, 'u');
if ($wherecondition) {
$whereconditions[] = $wherecondition;
}
if (!$this->forcesubscribed) {
$existingids = array();
foreach ($this->existingsubscribers as $group) {
foreach ($group as $user) {
$existingids[$user->id] = 1;
}
}
if ($existingids) {
list($usertest, $userparams) = $DB->get_in_or_equal(array_keys($existingids), SQL_PARAMS_NAMED, 'existing', false);
$whereconditions[] = 'u.id ' . $usertest;
$params = array_merge($params, $userparams);
}
}
if ($whereconditions) {
$wherecondition = 'WHERE ' . implode(' AND ', $whereconditions);
}
list($esql, $eparams) = get_enrolled_sql($this->context, '', $this->currentgroup, true);
$params = array_merge($params, $eparams);
$fields = 'SELECT ' . $this->required_fields_sql('u');
$sql = " FROM {user} u\n JOIN ({$esql}) je ON je.id = u.id\n {$wherecondition}";
list($sort, $sortparams) = users_order_by_sql('u', $search, $this->accesscontext);
$order = ' ORDER BY ' . $sort;
$availableusers = $DB->get_records_sql($fields . $sql . $order, array_merge($params, $sortparams));
$cm = get_coursemodule_from_instance('forum', $this->forumid);
$modinfo = get_fast_modinfo($cm->course);
$info = new \core_availability\info_module($modinfo->get_cm($cm->id));
$availableusers = $info->filter_user_list($availableusers);
if (empty($availableusers)) {
return array();
}
// Check to see if there are too many to show sensibly.
if (!$this->is_validating()) {
$potentialmemberscount = count($availableusers);
if ($potentialmemberscount > $this->maxusersperpage) {
return $this->too_many_results($search, $potentialmemberscount);
}
}
if ($this->forcesubscribed) {
return array(get_string("existingsubscribers", 'forum') => $availableusers);
} else {
return array(get_string("potentialsubscribers", 'forum') => $availableusers);
}
}
/**
* Define this form - called by the parent constructor
*/
protected function definition()
{
global $CFG, $DB;
$cm = $this->cm;
$mform = $this->_form;
$mform->addElement('header', 'override', get_string('override', 'assign'));
if ($this->groupmode) {
// Group override.
if ($this->groupid) {
// There is already a groupid, so freeze the selector.
$groupchoices = array();
$groupchoices[$this->groupid] = groups_get_group_name($this->groupid);
$mform->addElement('select', 'groupid', get_string('overridegroup', 'assign'), $groupchoices);
$mform->freeze('groupid');
} else {
// Prepare the list of groups.
$groups = groups_get_all_groups($cm->course);
if (empty($groups)) {
// Generate an error.
$link = new moodle_url('/mod/assign/overrides.php', array('cmid' => $cm->id));
print_error('groupsnone', 'assign', $link);
}
$groupchoices = array();
foreach ($groups as $group) {
$groupchoices[$group->id] = $group->name;
}
unset($groups);
if (count($groupchoices) == 0) {
$groupchoices[0] = get_string('none');
}
$mform->addElement('select', 'groupid', get_string('overridegroup', 'assign'), $groupchoices);
$mform->addRule('groupid', get_string('required'), 'required', null, 'client');
}
} else {
// User override.
if ($this->userid) {
// There is already a userid, so freeze the selector.
$user = $DB->get_record('user', array('id' => $this->userid));
$userchoices = array();
$userchoices[$this->userid] = fullname($user);
$mform->addElement('select', 'userid', get_string('overrideuser', 'assign'), $userchoices);
$mform->freeze('userid');
} else {
// Prepare the list of users.
$users = get_enrolled_users($this->context, '', 0, 'u.id, u.email, ' . get_all_user_name_fields(true, 'u'));
// Filter users based on any fixed restrictions (groups, profile).
$info = new \core_availability\info_module($cm);
$users = $info->filter_user_list($users);
if (empty($users)) {
// Generate an error.
$link = new moodle_url('/mod/assign/overrides.php', array('cmid' => $cm->id));
print_error('usersnone', 'assign', $link);
}
$userchoices = array();
$canviewemail = in_array('email', get_extra_user_fields($this->context));
foreach ($users as $id => $user) {
if (empty($invalidusers[$id]) || !empty($override) && $id == $override->userid) {
if ($canviewemail) {
$userchoices[$id] = fullname($user) . ', ' . $user->email;
} else {
$userchoices[$id] = fullname($user);
}
}
}
unset($users);
if (count($userchoices) == 0) {
$userchoices[0] = get_string('none');
}
$mform->addElement('searchableselector', 'userid', get_string('overrideuser', 'assign'), $userchoices);
$mform->addRule('userid', get_string('required'), 'required', null, 'client');
}
}
$users = $DB->get_fieldset_select('groups_members', 'userid', 'groupid = ?', array($this->groupid));
array_push($users, $this->userid);
$extensionmax = 0;
foreach ($users as $value) {
$extension = $DB->get_record('assign_user_flags', array('assignment' => $this->assign->get_context()->id, 'userid' => $value));
if ($extension) {
if ($extensionmax < $extension->extensionduedate) {
$extensionmax = $extension->extensionduedate;
}
}
}
if ($extensionmax) {
$this->assign->get_context()->extensionduedate = $extensionmax;
}
// Open and close dates.
$mform->addElement('date_time_selector', 'allowsubmissionsfromdate', get_string('allowsubmissionsfromdate', 'assign'), array('optional' => true));
$mform->setDefault('allowsubmissionsfromdate', $this->assign->get_context()->allowsubmissionsfromdate);
$mform->addElement('date_time_selector', 'duedate', get_string('duedate', 'assign'), array('optional' => true));
$mform->setDefault('duedate', $this->assign->get_context()->duedate);
$mform->addElement('date_time_selector', 'cutoffdate', get_string('cutoffdate', 'assign'), array('optional' => true));
$mform->setDefault('cutoffdate', $this->assign->get_context()->cutoffdate);
if (isset($this->assign->get_context()->extensionduedate)) {
$mform->addElement('static', 'extensionduedate', get_string('extensionduedate', 'assign'), userdate($this->assign->get_context()->extensionduedate));
}
// Submit buttons.
$mform->addElement('submit', 'resetbutton', get_string('reverttodefaults', 'assign'));
$buttonarray = array();
$buttonarray[] = $mform->createElement('submit', 'submitbutton', get_string('save', 'assign'));
$buttonarray[] = $mform->createElement('submit', 'againbutton', get_string('saveoverrideandstay', 'assign'));
$buttonarray[] = $mform->createElement('cancel');
$mform->addGroup($buttonarray, 'buttonbar', '', array(' '), false);
$mform->closeHeaderBefore('buttonbar');
}
/**
* Javascript required by both standard header layout and flexpage layout
*
* @return void
*/
public static function page_requires_js()
{
global $CFG, $PAGE, $COURSE, $USER;
$PAGE->requires->jquery();
$PAGE->requires->strings_for_js(array('close', 'debugerrors', 'problemsfound', 'error:coverimageexceedsmaxbytes', 'error:coverimageresolutionlow', 'forumtopic', 'forumauthor', 'forumpicturegroup', 'forumreplies', 'forumlastpost', 'hiddencoursestoggle', 'loading', 'more', 'moving', 'movingcount', 'movehere', 'movefailed', 'movingdropsectionhelp', 'movingstartedhelp'), 'theme_snap');
$PAGE->requires->strings_for_js(['ok', 'cancel'], 'moodle');
$PAGE->requires->strings_for_js(['printbook'], 'booktool_print');
// Are we viewing /course/view.php - note, this is different from just checking the page type.
// We only ever want to load course.js when on site page or view.php - no point in loading it when on
// course settings page, etc.
$courseviewpage = local::current_url_path() === '/course/view.php';
$pagehascoursecontent = $PAGE->pagetype === 'site-index' || $courseviewpage;
$cancomplete = isloggedin() && !isguestuser();
$unavailablesections = [];
$unavailablemods = [];
if ($cancomplete) {
$completioninfo = new \completion_info($COURSE);
if ($completioninfo->is_enabled()) {
$modinfo = get_fast_modinfo($COURSE);
$sections = $modinfo->get_section_info_all();
foreach ($sections as $number => $section) {
$ci = new \core_availability\info_section($section);
$information = '';
if (!$ci->is_available($information, true)) {
$unavailablesections[] = $number;
}
}
foreach ($modinfo as $mod) {
$ci = new \core_availability\info_module($mod);
if (!$ci->is_available($information, true)) {
$unavailablemods[] = $mod->id;
}
}
}
}
list($unavailablesections, $unavailablemods) = local::conditionally_unavailable_elements($COURSE);
$coursevars = (object) ['id' => $COURSE->id, 'shortname' => $COURSE->shortname, 'contextid' => $PAGE->context->id, 'ajaxurl' => '/course/rest.php', 'unavailablesections' => $unavailablesections, 'unavailablemods' => $unavailablemods, 'enablecompletion' => $COURSE->enablecompletion];
$initvars = [$coursevars, $pagehascoursecontent, get_max_upload_file_size($CFG->maxbytes)];
$PAGE->requires->js_call_amd('theme_snap/snap', 'snapInit', $initvars);
// Does the page have editable course content?
if ($pagehascoursecontent && $PAGE->user_allowed_editing()) {
$canmanageacts = has_capability('moodle/course:manageactivities', context_course::instance($COURSE->id));
if ($canmanageacts && empty($USER->editing)) {
$modinfo = get_fast_modinfo($COURSE);
$modnamesused = $modinfo->get_used_module_names();
// Temporarily change edit mode to on for course ajax to be included.
$USER->editing = true;
self::include_course_ajax($COURSE, $modnamesused);
$USER->editing = false;
}
}
}
/**
* Changes all date restrictions on a course by the specified shift amount.
* Used by the course reset feature.
*
* @param int $courseid Course id
* @param int $timeshift Offset in seconds
*/
public static function update_all_dates($courseid, $timeshift)
{
global $DB;
$modinfo = get_fast_modinfo($courseid);
$anychanged = false;
// Adjust dates from all course modules.
foreach ($modinfo->cms as $cm) {
if (!$cm->availability) {
continue;
}
$info = new \core_availability\info_module($cm);
$tree = $info->get_availability_tree();
$dates = $tree->get_all_children('availability_date\\condition');
$changed = false;
foreach ($dates as $date) {
$date->time += $timeshift;
$changed = true;
}
// Save the updated course module.
if ($changed) {
$DB->set_field('course_modules', 'availability', json_encode($tree->save()), array('id' => $cm->id));
$anychanged = true;
}
}
// Adjust dates from all course sections.
foreach ($modinfo->get_section_info_all() as $section) {
if (!$section->availability) {
continue;
}
$info = new \core_availability\info_section($section);
$tree = $info->get_availability_tree();
$dates = $tree->get_all_children('availability_date\\condition');
$changed = false;
foreach ($dates as $date) {
$date->time += $timeshift;
$changed = true;
}
// Save the updated course module.
if ($changed) {
$DB->set_field('course_sections', 'availability', json_encode($tree->save()), array('id' => $section->id));
$anychanged = true;
}
}
// Ensure course cache is cleared if required.
if ($anychanged) {
rebuild_course_cache($courseid, true);
}
}
/**
* Load a list of users enrolled in the current course with the specified permission and group.
* 0 for no group.
*
* @param int $currentgroup
* @param bool $idsonly
* @return array List of user records
*/
public function list_participants($currentgroup, $idsonly) {
global $DB;
if (empty($currentgroup)) {
$currentgroup = 0;
}
$key = $this->context->id . '-' . $currentgroup . '-' . $this->show_only_active_users();
if (!isset($this->participants[$key])) {
list($esql, $params) = get_enrolled_sql($this->context, 'mod/assign:submit', $currentgroup,
$this->show_only_active_users());
$fields = 'u.*';
$orderby = 'u.lastname, u.firstname, u.id';
$additionaljoins = '';
$instance = $this->get_instance();
if (!empty($instance->blindmarking)) {
$additionaljoins .= " LEFT JOIN {assign_user_mapping} um
ON u.id = um.userid
AND um.assignment = :assignmentid1
LEFT JOIN {assign_submission} s
ON u.id = s.userid
AND s.assignment = :assignmentid2
AND s.latest = 1
";
$params['assignmentid1'] = (int) $instance->id;
$params['assignmentid2'] = (int) $instance->id;
$fields .= ', um.id as recordid ';
// Sort by submission time first, then by um.id to sort reliably by the blind marking id.
// Note, different DBs have different ordering of NULL values.
// Therefore we coalesce the current time into the timecreated field, and the max possible integer into
// the ID field.
$orderby = "COALESCE(s.timecreated, " . time() . ") ASC, COALESCE(s.id, " . PHP_INT_MAX . ") ASC, um.id ASC";
}
$sql = "SELECT $fields
FROM {user} u
JOIN ($esql) je ON je.id = u.id
$additionaljoins
WHERE u.deleted = 0
ORDER BY $orderby";
$users = $DB->get_records_sql($sql, $params);
$cm = $this->get_course_module();
$info = new \core_availability\info_module($cm);
$users = $info->filter_user_list($users);
$this->participants[$key] = $users;
}
if ($idsonly) {
$idslist = array();
foreach ($this->participants[$key] as $id => $user) {
$idslist[$id] = new stdClass();
$idslist[$id]->id = $id;
}
return $idslist;
}
return $this->participants[$key];
}
protected function definition()
{
global $CFG, $DB;
$cm = $this->cm;
$mform = $this->_form;
$mform->addElement('header', 'override', get_string('override', 'quiz'));
if ($this->groupmode) {
// Group override.
if ($this->groupid) {
// There is already a groupid, so freeze the selector.
$groupchoices = array();
$groupchoices[$this->groupid] = groups_get_group_name($this->groupid);
$mform->addElement('select', 'groupid', get_string('overridegroup', 'quiz'), $groupchoices);
$mform->freeze('groupid');
} else {
// Prepare the list of groups.
$groups = groups_get_all_groups($cm->course);
if (empty($groups)) {
// Generate an error.
$link = new moodle_url('/mod/quiz/overrides.php', array('cmid' => $cm->id));
print_error('groupsnone', 'quiz', $link);
}
$groupchoices = array();
foreach ($groups as $group) {
$groupchoices[$group->id] = $group->name;
}
unset($groups);
if (count($groupchoices) == 0) {
$groupchoices[0] = get_string('none');
}
$mform->addElement('select', 'groupid', get_string('overridegroup', 'quiz'), $groupchoices);
$mform->addRule('groupid', get_string('required'), 'required', null, 'client');
}
} else {
// User override.
if ($this->userid) {
// There is already a userid, so freeze the selector.
$user = $DB->get_record('user', array('id' => $this->userid));
$userchoices = array();
$userchoices[$this->userid] = fullname($user);
$mform->addElement('select', 'userid', get_string('overrideuser', 'quiz'), $userchoices);
$mform->freeze('userid');
} else {
// Prepare the list of users.
$users = array();
list($sort, $sortparams) = users_order_by_sql('u');
if (!empty($sortparams)) {
throw new coding_exception('users_order_by_sql returned some query parameters. ' . 'This is unexpected, and a problem because there is no way to pass these ' . 'parameters to get_users_by_capability. See MDL-34657.');
}
$users = get_users_by_capability($this->context, 'mod/quiz:attempt', 'u.id, u.email, ' . get_all_user_name_fields(true, 'u'), $sort, '', '', '', '', false, true);
// Filter users based on any fixed restrictions (groups, profile).
$info = new \core_availability\info_module($cm);
$users = $info->filter_user_list($users);
if (empty($users)) {
// Generate an error.
$link = new moodle_url('/mod/quiz/overrides.php', array('cmid' => $cm->id));
print_error('usersnone', 'quiz', $link);
}
$userchoices = array();
$canviewemail = in_array('email', get_extra_user_fields($this->context));
foreach ($users as $id => $user) {
if (empty($invalidusers[$id]) || !empty($override) && $id == $override->userid) {
if ($canviewemail) {
$userchoices[$id] = fullname($user) . ', ' . $user->email;
} else {
$userchoices[$id] = fullname($user);
}
}
}
unset($users);
if (count($userchoices) == 0) {
$userchoices[0] = get_string('none');
}
$mform->addElement('searchableselector', 'userid', get_string('overrideuser', 'quiz'), $userchoices);
$mform->addRule('userid', get_string('required'), 'required', null, 'client');
}
}
// Password.
// This field has to be above the date and timelimit fields,
// otherwise browsers will clear it when those fields are changed.
$mform->addElement('passwordunmask', 'password', get_string('requirepassword', 'quiz'));
$mform->setType('password', PARAM_TEXT);
$mform->addHelpButton('password', 'requirepassword', 'quiz');
$mform->setDefault('password', $this->quiz->password);
// Open and close dates.
$mform->addElement('date_time_selector', 'timeopen', get_string('quizopen', 'quiz'), mod_quiz_mod_form::$datefieldoptions);
$mform->setDefault('timeopen', $this->quiz->timeopen);
$mform->addElement('date_time_selector', 'timeclose', get_string('quizclose', 'quiz'), mod_quiz_mod_form::$datefieldoptions);
$mform->setDefault('timeclose', $this->quiz->timeclose);
// Time limit.
$mform->addElement('duration', 'timelimit', get_string('timelimit', 'quiz'), array('optional' => true));
$mform->addHelpButton('timelimit', 'timelimit', 'quiz');
$mform->setDefault('timelimit', $this->quiz->timelimit);
// Number of attempts.
$attemptoptions = array('0' => get_string('unlimited'));
for ($i = 1; $i <= QUIZ_MAX_ATTEMPT_OPTION; $i++) {
$attemptoptions[$i] = $i;
}
$mform->addElement('select', 'attempts', get_string('attemptsallowed', 'quiz'), $attemptoptions);
$mform->setDefault('attempts', $this->quiz->attempts);
// Submit buttons.
$mform->addElement('submit', 'resetbutton', get_string('reverttodefaults', 'quiz'));
$buttonarray = array();
$buttonarray[] = $mform->createElement('submit', 'submitbutton', get_string('save', 'quiz'));
$buttonarray[] = $mform->createElement('submit', 'againbutton', get_string('saveoverrideandstay', 'quiz'));
$buttonarray[] = $mform->createElement('cancel');
$mform->addGroup($buttonarray, 'buttonbar', '', array(' '), false);
$mform->closeHeaderBefore('buttonbar');
}
/**
* Renders HTML to show course module availability information (for someone who isn't allowed
* to see the activity itself, or for staff)
*
* @param cm_info $mod
* @param array $displayoptions
* @return string
*/
public function course_section_cm_availability(cm_info $mod, $displayoptions = array())
{
global $CFG;
if (!$mod->uservisible) {
// this is a student who is not allowed to see the module but might be allowed
// to see availability info (i.e. "Available from ...")
if (!empty($mod->availableinfo)) {
$formattedinfo = \core_availability\info::format_info($mod->availableinfo, $mod->get_course());
$output = html_writer::tag('div', $formattedinfo, array('class' => 'availabilityinfo'));
}
return $output;
}
// this is a teacher who is allowed to see module but still should see the
// information that module is not available to all/some students
$modcontext = context_module::instance($mod->id);
$canviewhidden = has_capability('moodle/course:viewhiddenactivities', $modcontext);
if ($canviewhidden && !empty($CFG->enableavailability)) {
// Don't add availability information if user is not editing and activity is hidden.
if ($mod->visible || $this->page->user_is_editing()) {
$hidinfoclass = '';
if (!$mod->visible) {
$hidinfoclass = 'hide';
}
$ci = new \core_availability\info_module($mod);
$fullinfo = $ci->get_full_information();
if ($fullinfo) {
$formattedinfo = \core_availability\info::format_info($fullinfo, $mod->get_course());
return html_writer::div($formattedinfo, 'availabilityinfo ' . $hidinfoclass);
}
}
}
return '';
}
/**
* Returns list of user objects that are subscribed to this forum
*
* @global object
* @global object
* @param object $course the course
* @param forum $forum the forum
* @param integer $groupid group id, or 0 for all.
* @param object $context the forum context, to save re-fetching it where possible.
* @param string $fields requested user fields (with "u." table prefix)
* @return array list of users.
*/
function hsuforum_subscribed_users($course, $forum, $groupid = 0, $context = null, $fields = null)
{
global $CFG, $DB;
$allnames = get_all_user_name_fields(true, 'u');
if (empty($fields)) {
$fields = "u.id,\n u.username,\n {$allnames},\n u.maildisplay,\n u.mailformat,\n u.maildigest,\n u.imagealt,\n u.email,\n u.emailstop,\n u.city,\n u.country,\n u.lastaccess,\n u.lastlogin,\n u.picture,\n u.timezone,\n u.theme,\n u.lang,\n u.trackforums,\n u.mnethostid";
}
if (empty($context)) {
$cm = get_coursemodule_from_instance('hsuforum', $forum->id, $course->id);
$context = context_module::instance($cm->id);
}
if (hsuforum_is_forcesubscribed($forum)) {
$results = hsuforum_get_potential_subscribers($context, $groupid, $fields, "u.email ASC");
} else {
// only active enrolled users or everybody on the frontpage
list($esql, $params) = get_enrolled_sql($context, '', $groupid, true);
$params['forumid'] = $forum->id;
$results = $DB->get_records_sql("SELECT {$fields}\n FROM {user} u\n JOIN ({$esql}) je ON je.id = u.id\n JOIN {hsuforum_subscriptions} s ON s.userid = u.id\n WHERE s.forum = :forumid\n ORDER BY u.email ASC", $params);
}
// Guest user should never be subscribed to a forum.
unset($results[$CFG->siteguest]);
$cm = get_coursemodule_from_instance('hsuforum', $forum->id);
$modinfo = get_fast_modinfo($cm->course);
$mod = $modinfo->get_cm($cm->id);
$info = new \core_availability\info_module($mod);
return $info->filter_user_list($results);
}
/**
* Returns SQL to fetch all enrolled users with the given capability in the current workshop
*
* The returned array consists of string $sql and the $params array. Note that the $sql can be
* empty if a grouping is selected and it has no groups.
*
* The list is automatically restricted according to any availability restrictions
* that apply to user lists (e.g. group, grouping restrictions).
*
* @param string $capability the name of the capability
* @param bool $musthavesubmission ff true, return only users who have already submitted
* @param int $groupid 0 means ignore groups, any other value limits the result by group id
* @return array of (string)sql, (array)params
*/
protected function get_users_with_capability_sql($capability, $musthavesubmission, $groupid)
{
global $CFG;
/** @var int static counter used to generate unique parameter holders */
static $inc = 0;
$inc++;
// If the caller requests all groups and we are using a selected grouping,
// recursively call this function for each group in the grouping (this is
// needed because get_enrolled_sql only supports a single group).
if (empty($groupid) and $this->cm->groupingid) {
$groupingid = $this->cm->groupingid;
$groupinggroupids = array_keys(groups_get_all_groups($this->cm->course, 0, $this->cm->groupingid, 'g.id'));
$sql = array();
$params = array();
foreach ($groupinggroupids as $groupinggroupid) {
if ($groupinggroupid > 0) {
// just in case in order not to fall into the endless loop
list($gsql, $gparams) = $this->get_users_with_capability_sql($capability, $musthavesubmission, $groupinggroupid);
$sql[] = $gsql;
$params = array_merge($params, $gparams);
}
}
$sql = implode(PHP_EOL . " UNION " . PHP_EOL, $sql);
return array($sql, $params);
}
list($esql, $params) = get_enrolled_sql($this->context, $capability, $groupid, true);
$userfields = user_picture::fields('u');
$sql = "SELECT {$userfields}\n FROM {user} u\n JOIN ({$esql}) je ON (je.id = u.id AND u.deleted = 0) ";
if ($musthavesubmission) {
$sql .= " JOIN {workshop_submissions} ws ON (ws.authorid = u.id AND ws.example = 0 AND ws.workshopid = :workshopid{$inc}) ";
$params['workshopid' . $inc] = $this->id;
}
// If the activity is restricted so that only certain users should appear
// in user lists, integrate this into the same SQL.
$info = new \core_availability\info_module($this->cm);
list($listsql, $listparams) = $info->get_user_list_sql(false);
if ($listsql) {
$sql .= " JOIN ({$listsql}) restricted ON restricted.id = u.id ";
$params = array_merge($params, $listparams);
}
return array($sql, $params);
}
/**
* Obtains list of forum subscribers.
* @param int $groupid If specified, restricts list to this group id
* @return array Array of partial user objects (with enough info to send
* email and display them); additionally, if the forum is in group mode,
* this includes an ->accessallgroups boolean
*/
public function get_subscribers($groupid = self::ALL_GROUPS)
{
global $DB;
// Array that will contain result
$users = array();
// Get permitted groups
$groups = $this->get_permitted_groups();
$subscriptionoption = $this->get_effective_subscription_option();
switch ($subscriptionoption) {
case self::SUBSCRIPTION_NOT_PERMITTED:
return array();
case self::SUBSCRIPTION_FORCED:
case self::SUBSCRIPTION_INITIALLY_SUBSCRIBED:
$users = $this->get_auto_subscribers($groupid);
// Add $wholeforum = 1 and an empty array() for discussionid
// for people who initially subscribed.
foreach ($users as $user) {
$user->wholeforum = true;
$user->discussionids = array();
$user->groupids = array();
}
break;
default:
// The other two cases (initial subscribe, and manual subscribe)
// fall through to the standard code below.
}
$context = $this->get_context();
// For shared forums, we only return the subscribers for the current
// clone
$clonecheck = "";
if ($this->is_shared()) {
$clonecheck = 'AND s.clonecmid = ' . $this->get_course_module_id();
}
// Obtain the list of users who have access all groups on the forum,
// unless it's in no-groups mode
$groupmode = $this->get_group_mode();
if ($groupmode) {
// Get a list of user who can access all groups.
$aagusers = get_users_by_capability($context, 'moodle/site:accessallgroups', 'u.id');
mod_forumng_utils::add_admin_users($aagusers);
}
// Get the list of subscribed users.
if ($groupid == self::ALL_GROUPS || $groupid == self::NO_GROUPS) {
$groupcheck = '';
$groupparams = array();
} else {
$groupcheck = "INNER JOIN {groups_members} gm ON gm.userid = u.id AND gm.groupid = ?";
$groupparams = array($groupid);
}
$rs = $DB->get_recordset_sql($sql = "\nSELECT\n " . mod_forumng_utils::select_username_fields('u', true) . ",\n s.subscribed, s.discussionid, s.groupid, fd.groupid AS discussiongroupid,\n discussiongm.id AS discussiongroupmember, subscriptiongm.id AS subscriptiongroupmember\nFROM\n {forumng_subscriptions} s\n INNER JOIN {user} u ON u.id = s.userid\n {$groupcheck}\n LEFT JOIN {forumng_discussions} fd ON fd.id = s.discussionid\n LEFT JOIN {groups_members} discussiongm ON fd.groupid = discussiongm.groupid\n AND s.userid = discussiongm.userid\n LEFT JOIN {groups_members} subscriptiongm ON s.groupid = subscriptiongm.groupid\n AND s.userid = subscriptiongm.userid\nWHERE\n s.forumngid = ?\n AND (fd.forumngid = ? OR s.discussionid IS NULL)\n {$clonecheck}", array_merge($groupparams, array($this->forumfields->id, $this->forumfields->id)));
// Filter the result against the list of allowed users
$allowedusers = null;
foreach ($rs as $rec) {
// Subscribed to the whole forum when subscribed == 1 and disucssionid =='';
// *** Put the allowedusers checks in same part of code so not duplicated
if ($rec->subscribed) {
// This is a 'subscribe' request
if (!$allowedusers) {
// Obtain the list of users who are allowed to see the forum.
// As get_users_by_capability can be expensive, we only do this
// once we know there actually are subscribers (and force rasing memory).
raise_memory_limit(MEMORY_EXTRA);
$allowedusers = get_users_by_capability($context, 'mod/forumng:viewdiscussion', 'u.id', '', '', '', $groups, '', 0, 0, true);
// Filter possible users by activity availability.
$avail = new \core_availability\info_module($this->get_course_module());
$allowedusers = $avail->filter_user_list($allowedusers);
mod_forumng_utils::add_admin_users($allowedusers);
}
// Get reference to current user, or make new object if required
if (!array_key_exists($rec->u_id, $users)) {
$user = mod_forumng_utils::extract_subobject($rec, 'u_');
$user->wholeforum = false;
$user->discussionids = array();
$user->groupids = array();
$newuser = true;
} else {
$user = $users[$rec->u_id];
$newuser = false;
}
$ok = false;
// Subscribed to a discussion.
if ($rec->discussionid) {
$groupok = !$rec->discussiongroupid || $rec->discussiongroupmember || $groupmode == VISIBLEGROUPS || array_key_exists($user->id, $aagusers);
if (array_key_exists($user->id, $allowedusers) && $groupok) {
$ok = true;
$user->discussionids[$rec->discussionid] = $rec->discussiongroupid;
}
// Subscribed to a group.
} else {
if ($rec->groupid) {
$groupok = $groupmode == VISIBLEGROUPS || $groupmode == SEPARATEGROUPS && ($rec->subscriptiongroupmember || array_key_exists($user->id, $aagusers));
if (array_key_exists($user->id, $allowedusers) && $groupok) {
$user->groupids[$rec->groupid] = $rec->groupid;
$ok = true;
}
// Subscribed to the whole forum.
} else {
// extra conditions for forum not separate groups or accessallgroups
$groupok = $groupmode != SEPARATEGROUPS || array_key_exists($user->id, $aagusers);
if (array_key_exists($user->id, $allowedusers) && $groupok) {
$user->wholeforum = true;
$ok = true;
}
}
}
// If this is a new user object, add it to the array provided the row was valid
if ($newuser && $ok) {
$users[$user->id] = $user;
}
} else {
// This is an 'unsubscribe' request. These are only allowed
// for initial-subscription, otherwise ignored
if ($subscriptionoption == self::SUBSCRIPTION_INITIALLY_SUBSCRIBED && array_key_exists($user->id, $users)) {
// set wholeforum = false for user (if they are in the array)
$users[$rec->u_id]->unsubscribe = true;
$users[$rec->u_id]->wholeforum = false;
}
}
}
$rs->close();
$allowedusers = null;
// 1. loop through array and clear the discussions/groupids array if wholeforum is true.
// 2. Find any user unsubscribed from initial subscribed forum. If the user has been
// subscribed to discussions/groups, remove the $user->unsubscribe flag;
// Otherwise remove the user from the list.
foreach ($users as $key => $user) {
if ($user->wholeforum) {
$user->discussionids = array();
$user->groupids = array();
}
// Remove discussionids for discussions that are already covered by group subscriptions
// TODO
if (count($user->discussionids) != 0 && count($user->groupids) != 0) {
foreach ($user->discussionids as $id => $dgroupid) {
if (!$dgroupid || array_key_exists($dgroupid, $user->groupids)) {
unset($user->discussionids[$id]);
}
}
}
// If the user has unsubscribed from an initial subscription, then remove the entry
// from the results array unless there are s subscriptions to discussions or groups
if (!empty($user->unsubscribe)) {
// Remove the unsubscribe as the user is likely to
// subscribed to discussions or groups
unset($user->unsubscribe);
if (count($user->discussionids) == 0 && count($user->groupids) == 0) {
unset($users[$key]);
}
}
}
// Add access-all-groups information if applicable
if ($groupmode) {
foreach ($users as $key => $user) {
$user->accessallgroups = array_key_exists($user->id, $aagusers);
}
}
return $users;
}
/**
* Load a list of users enrolled in the current course with the specified permission and group.
* 0 for no group.
*
* @param int $currentgroup
* @param bool $idsonly
* @return array List of user records
*/
public function list_participants($currentgroup, $idsonly)
{
if (empty($currentgroup)) {
$currentgroup = 0;
}
$key = $this->context->id . '-' . $currentgroup . '-' . $this->show_only_active_users();
if (!isset($this->participants[$key])) {
$users = get_enrolled_users($this->context, 'mod/assign:submit', $currentgroup, 'u.*', null, null, null, $this->show_only_active_users());
$cm = $this->get_course_module();
$info = new \core_availability\info_module($cm);
$users = $info->filter_user_list($users);
$this->participants[$key] = $users;
}
if ($idsonly) {
$idslist = array();
foreach ($this->participants[$key] as $id => $user) {
$idslist[$id] = new stdClass();
$idslist[$id]->id = $id;
}
return $idslist;
}
return $this->participants[$key];
}
/**
* Tests the filter_users (bulk checking) function.
*/
public function test_filter_users()
{
global $DB, $CFG;
$this->resetAfterTest();
$CFG->enableavailability = true;
// Erase static cache before test.
condition::wipe_static_cache();
// Make a test course and some users.
$generator = $this->getDataGenerator();
$course = $generator->create_course();
$roleids = $DB->get_records_menu('role', null, '', 'shortname, id');
$teacher = $generator->create_user();
$generator->enrol_user($teacher->id, $course->id, $roleids['teacher']);
$allusers = array($teacher->id => $teacher);
$students = array();
for ($i = 0; $i < 3; $i++) {
$student = $generator->create_user();
$students[$i] = $student;
$generator->enrol_user($student->id, $course->id, $roleids['student']);
$allusers[$student->id] = $student;
}
$info = new \core_availability\mock_info($course);
$checker = new \core_availability\capability_checker($info->get_context());
// Make test groups.
$group1 = $generator->create_group(array('courseid' => $course->id));
$group2 = $generator->create_group(array('courseid' => $course->id));
$grouping1 = $generator->create_grouping(array('courseid' => $course->id));
$grouping2 = $generator->create_grouping(array('courseid' => $course->id));
groups_assign_grouping($grouping1->id, $group1->id);
groups_assign_grouping($grouping2->id, $group2->id);
// Make page in grouping 2.
$pagegen = $generator->get_plugin_generator('mod_page');
$page = $pagegen->create_instance(array('course' => $course->id, 'groupingid' => $grouping2->id, 'availability' => '{"op":"|","show":true,"c":[{"type":"grouping","activity":true}]}'));
// Assign students to groups as follows (teacher is not in a group):
// 0: no groups.
// 1: in group 1/grouping 1.
// 2: in group 2/grouping 2.
groups_add_member($group1, $students[1]);
groups_add_member($group2, $students[2]);
// Test specific grouping.
$cond = new condition((object) array('id' => (int) $grouping1->id));
$result = array_keys($cond->filter_user_list($allusers, false, $info, $checker));
ksort($result);
$this->assertEquals(array($teacher->id, $students[1]->id), $result);
$result = array_keys($cond->filter_user_list($allusers, true, $info, $checker));
ksort($result);
$this->assertEquals(array($teacher->id, $students[0]->id, $students[2]->id), $result);
// Test course-module grouping.
$modinfo = get_fast_modinfo($course);
$cm = $modinfo->get_cm($page->cmid);
$info = new \core_availability\info_module($cm);
$result = array_keys($info->filter_user_list($allusers, $course));
$this->assertEquals(array($teacher->id, $students[2]->id), $result);
}
protected function define_execution()
{
global $CFG, $DB;
// Note: This code runs even if availability is disabled when restoring.
// That will ensure that if you later turn availability on for the site,
// there will be no incorrect IDs. (It doesn't take long if the restored
// data does not contain any availability information.)
// Get modinfo with all data after resetting cache.
rebuild_course_cache($this->get_courseid(), true);
$modinfo = get_fast_modinfo($this->get_courseid());
// Update all sections that were restored.
$params = array('backupid' => $this->get_restoreid(), 'itemname' => 'course_section');
$rs = $DB->get_recordset('backup_ids_temp', $params, '', 'newitemid');
$sectionsbyid = null;
foreach ($rs as $rec) {
if (is_null($sectionsbyid)) {
$sectionsbyid = array();
foreach ($modinfo->get_section_info_all() as $section) {
$sectionsbyid[$section->id] = $section;
}
}
if (!array_key_exists($rec->newitemid, $sectionsbyid)) {
// If the section was not fully restored for some reason
// (e.g. due to an earlier error), skip it.
$this->get_logger()->process('Section not fully restored: id ' . $rec->newitemid, backup::LOG_WARNING);
continue;
}
$section = $sectionsbyid[$rec->newitemid];
if (!is_null($section->availability)) {
$info = new \core_availability\info_section($section);
$info->update_after_restore($this->get_restoreid(), $this->get_courseid(), $this->get_logger());
}
}
$rs->close();
// Update all modules that were restored.
$params = array('backupid' => $this->get_restoreid(), 'itemname' => 'course_module');
$rs = $DB->get_recordset('backup_ids_temp', $params, '', 'newitemid');
foreach ($rs as $rec) {
if (!array_key_exists($rec->newitemid, $modinfo->cms)) {
// If the module was not fully restored for some reason
// (e.g. due to an earlier error), skip it.
$this->get_logger()->process('Module not fully restored: id ' . $rec->newitemid, backup::LOG_WARNING);
continue;
}
$cm = $modinfo->get_cm($rec->newitemid);
if (!is_null($cm->availability)) {
$info = new \core_availability\info_module($cm);
$info->update_after_restore($this->get_restoreid(), $this->get_courseid(), $this->get_logger());
}
}
$rs->close();
}
/**
* @global object
* @param object $choice
* @param object $course
* @param object $coursemodule
* @param array $allresponses
* * @param bool $allresponses
* @return object
*/
function prepare_choice_show_results($choice, $course, $cm, $allresponses)
{
global $OUTPUT;
$display = clone $choice;
$display->coursemoduleid = $cm->id;
$display->courseid = $course->id;
if (!empty($choice->showunanswered)) {
$choice->option[0] = get_string('notanswered', 'choice');
$choice->maxanswers[0] = 0;
}
// Remove from the list of non-respondents the users who do not have access to this activity.
if (!empty($display->showunanswered) && $allresponses[0]) {
$info = new \core_availability\info_module(cm_info::create($cm));
$allresponses[0] = $info->filter_user_list($allresponses[0]);
}
//overwrite options value;
$display->options = array();
$allusers = [];
foreach ($choice->option as $optionid => $optiontext) {
$display->options[$optionid] = new stdClass();
$display->options[$optionid]->text = $optiontext;
$display->options[$optionid]->maxanswer = $choice->maxanswers[$optionid];
if (array_key_exists($optionid, $allresponses)) {
$display->options[$optionid]->user = $allresponses[$optionid];
$allusers = array_merge($allusers, array_keys($allresponses[$optionid]));
}
}
unset($display->option);
unset($display->maxanswers);
$display->numberofuser = count(array_unique($allusers));
$context = context_module::instance($cm->id);
$display->viewresponsecapability = has_capability('mod/choice:readresponses', $context);
$display->deleterepsonsecapability = has_capability('mod/choice:deleteresponses', $context);
$display->fullnamecapability = has_capability('moodle/site:viewfullnames', $context);
if (empty($allresponses)) {
echo $OUTPUT->heading(get_string("nousersyet"), 3, null);
return false;
}
return $display;
}
