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questionnaire.class.php
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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* @package mod_questionnaire
* @copyright 2016 Mike Churchward ([email protected])
* @author Mike Churchward
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
require_once($CFG->dirroot.'/mod/questionnaire/locallib.php');
class questionnaire {
// Class Properties.
/**
* @var \mod_questionnaire\question\base[] $quesitons
*/
public $questions = [];
/**
* The survey record.
* @var object $survey
*/
// Todo var $survey; TODO.
/**
* @var $renderer Contains the page renderer when loaded, or false if not.
*/
public $renderer = false;
/**
* @var $page Contains the renderable, templatable page when loaded, or false if not.
*/
public $page = false;
// Class Methods.
/*
* The class constructor
*
*/
public function __construct($id = 0, $questionnaire = null, &$course, &$cm, $addquestions = true) {
global $DB;
if ($id) {
$questionnaire = $DB->get_record('questionnaire', array('id' => $id));
}
if (is_object($questionnaire)) {
$properties = get_object_vars($questionnaire);
foreach ($properties as $property => $value) {
$this->$property = $value;
}
}
if (!empty($this->sid)) {
$this->add_survey($this->sid);
}
$this->course = $course;
$this->cm = $cm;
// When we are creating a brand new questionnaire, we will not yet have a context.
if (!empty($cm) && !empty($this->id)) {
$this->context = context_module::instance($cm->id);
} else {
$this->context = null;
}
if ($addquestions && !empty($this->sid)) {
$this->add_questions($this->sid);
}
// Load the capabilities for this user and questionnaire, if not creating a new one.
if (!empty($this->cm->id)) {
$this->capabilities = questionnaire_load_capabilities($this->cm->id);
}
}
/**
* Adding a survey record to the object.
*
*/
public function add_survey($sid = 0, $survey = null) {
global $DB;
if ($sid) {
$this->survey = $DB->get_record('questionnaire_survey', array('id' => $sid));
} else if (is_object($survey)) {
$this->survey = clone($survey);
}
}
/**
* Adding questions to the object.
*/
public function add_questions($sid = false) {
global $DB;
if ($sid === false) {
$sid = $this->sid;
}
if (!isset($this->questions)) {
$this->questions = [];
$this->questionsbysec = [];
}
$select = 'survey_id = ? AND deleted = ?';
$params = [$sid, 'n'];
if ($records = $DB->get_records_select('questionnaire_question', $select, $params, 'position')) {
$sec = 1;
$isbreak = false;
foreach ($records as $record) {
$this->questions[$record->id] = \mod_questionnaire\question\base::question_builder($record->type_id,
$record, $this->context);
if ($record->type_id != QUESPAGEBREAK) {
$this->questionsbysec[$sec][$record->id] = &$this->questions[$record->id];
$isbreak = false;
} else {
// Sanity check: no section break allowed as first position, no 2 consecutive section breaks.
if ($record->position != 1 && $isbreak == false) {
$sec++;
$isbreak = true;
}
}
}
}
}
/**
* Add the renderer to the questionnaire object.
* @param \plugin_renderer_base $renderer The module renderer, extended from core renderer.
*/
public function add_renderer($renderer) {
$this->renderer = $renderer;
}
/**
* Add the templatable page to the questionnaire object.
* @param \renderable, \templatable $page The page to rendere, implementing core classes.
*/
public function add_page($page) {
$this->page = $page;
}
public function view() {
global $CFG, $USER, $PAGE;
$PAGE->set_title(format_string($this->name));
$PAGE->set_heading(format_string($this->course->fullname));
// Initialise the JavaScript.
$PAGE->requires->js_init_call('M.mod_questionnaire.init_attempt_form', null, false, questionnaire_get_js_module());
$questionnaire = $this;
if (!$this->capabilities->view) {
$this->page->add_to_page('notifications',
$this->renderer->notification(get_string('noteligible', 'questionnaire', $this->name),
\core\output\notification::NOTIFY_ERROR));
} else if (!$this->is_active()) {
$this->page->add_to_page('notifications',
$this->renderer->notification(get_string('notavail', 'questionnaire'), \core\output\notification::NOTIFY_ERROR));
} else if (!$this->is_open()) {
$this->page->add_to_page('notifications',
$this->renderer->notification(get_string('notopen', 'questionnaire', userdate($this->opendate)),
\core\output\notification::NOTIFY_ERROR));
} else if ($this->is_closed()) {
$this->page->add_to_page('notifications',
$this->renderer->notification(get_string('closed', 'questionnaire', userdate($this->closedate)),
\core\output\notification::NOTIFY_ERROR));
} else if (!$this->user_is_eligible($USER->id)) {
$this->page->add_to_page('notifications',
$this->renderer->notification(get_string('noteligible', 'questionnaire'), \core\output\notification::NOTIFY_ERROR));
} else if ($this->survey->realm == 'template') {
$this->page->add_to_page('notifications',
$this->renderer->notification(get_string('templatenotviewable', 'questionnaire'),
\core\output\notification::NOTIFY_ERROR));
} else if (!$this->user_can_take($USER->id)) {
switch ($this->qtype) {
case QUESTIONNAIREDAILY:
$msgstring = ' '.get_string('today', 'questionnaire');
break;
case QUESTIONNAIREWEEKLY:
$msgstring = ' '.get_string('thisweek', 'questionnaire');
break;
case QUESTIONNAIREMONTHLY:
$msgstring = ' '.get_string('thismonth', 'questionnaire');
break;
default:
$msgstring = '';
break;
}
$this->page->add_to_page('notifications',
$this->renderer->notification(get_string('alreadyfilled', 'questionnaire', $msgstring),
\core\output\notification::NOTIFY_ERROR));
} else {
// Handle the main questionnaire completion page.
$quser = $USER->id;
$msg = $this->print_survey($USER->id, $quser);
// If Questionnaire was submitted with all required fields completed ($msg is empty),
// then record the submittal.
$viewform = data_submitted($CFG->wwwroot."/mod/questionnaire/complete.php");
if (!empty($viewform->rid)) {
$viewform->rid = (int)$viewform->rid;
}
if (!empty($viewform->sec)) {
$viewform->sec = (int)$viewform->sec;
}
if (data_submitted() && confirm_sesskey() && isset($viewform->submit) && isset($viewform->submittype) &&
($viewform->submittype == "Submit Survey") && empty($msg)) {
$this->response_delete($viewform->rid, $viewform->sec);
$this->rid = $this->response_insert($this->survey->id, $viewform->sec, $viewform->rid, $quser);
$this->response_commit($this->rid);
// If it was a previous save, rid is in the form...
if (!empty($viewform->rid) && is_numeric($viewform->rid)) {
$rid = $viewform->rid;
// Otherwise its in this object.
} else {
$rid = $this->rid;
}
questionnaire_record_submission($this, $USER->id, $rid);
if ($this->grade != 0) {
$questionnaire = new stdClass();
$questionnaire->id = $this->id;
$questionnaire->name = $this->name;
$questionnaire->grade = $this->grade;
$questionnaire->cmidnumber = $this->cm->idnumber;
$questionnaire->courseid = $this->course->id;
questionnaire_update_grades($questionnaire, $quser);
}
// Update completion state.
$completion = new completion_info($this->course);
if ($completion->is_enabled($this->cm) && $this->completionsubmit) {
$completion->update_state($this->cm, COMPLETION_COMPLETE);
}
// Log this submitted response.
$context = context_module::instance($this->cm->id);
$anonymous = $this->respondenttype == 'anonymous';
$params = array(
'context' => $context,
'courseid' => $this->course->id,
'relateduserid' => $USER->id,
'anonymous' => $anonymous,
'other' => array('questionnaireid' => $questionnaire->id)
);
$event = \mod_questionnaire\event\attempt_submitted::create($params);
$event->trigger();
$this->submission_notify($this->rid);
$this->response_goto_thankyou();
}
}
}
/*
* Function to view an entire responses data.
*
*/
public function view_response($rid, $referer= '', $blankquestionnaire = false, $resps = '', $compare = false,
$isgroupmember = false, $allresponses = false, $currentgroupid = 0) {
$this->print_survey_start('', 1, 1, 0, $rid, false);
$data = new stdClass();
$i = 0;
$this->response_import_all($rid, $data);
if ($referer != 'print') {
$feedbackmessages = $this->response_analysis($rid, $resps, $compare, $isgroupmember, $allresponses, $currentgroupid);
if ($feedbackmessages) {
$msgout = '';
foreach ($feedbackmessages as $msg) {
$msgout .= $msg;
}
$this->page->add_to_page('feedbackmessages', $msgout);
}
if ($this->survey->feedbacknotes) {
$text = file_rewrite_pluginfile_urls($this->survey->feedbacknotes, 'pluginfile.php',
$this->context->id, 'mod_questionnaire', 'feedbacknotes', $this->survey->id);
$this->page->add_to_page('feedbacknotes', $this->renderer->box(format_text($text, FORMAT_HTML)));
}
}
foreach ($this->questions as $question) {
if ($question->type_id < QUESPAGEBREAK) {
$i++;
}
if ($question->type_id != QUESPAGEBREAK) {
$this->page->add_to_page('responses', $this->renderer->response_output($question, $data, $i));
}
}
}
/*
* Function to view an entire responses data.
*
* $value is unused, but is needed in order to get the $key elements of the array. Suppress PHPMD warning.
*
* @SuppressWarnings(PHPMD.UnusedLocalVariable)
*/
public function view_all_responses($resps) {
$this->print_survey_start('', 1, 1, 0);
// If a student's responses have been deleted by teacher while student was viewing the report,
// then responses may have become empty, hence this test is necessary.
if ($resps) {
foreach ($resps as $resp) {
$data[$resp->id] = new stdClass();
$this->response_import_all($resp->id, $data[$resp->id]);
}
$i = 0;
$allrespdata = [];
foreach ($this->questions as $question) {
if ($question->type_id < QUESPAGEBREAK) {
$i++;
}
$qid = preg_quote('q'.$question->id, '/');
if ($question->type_id != QUESPAGEBREAK) {
$allrespdata[$i] = [];
$allrespdata[$i]['question'] = $question;
foreach ($data as $respid => $respdata) {
$hasresp = false;
foreach ($respdata as $key => $value) {
if ($hasresp = preg_match("/$qid(_|$)/", $key)) {
break;
}
}
// Do not display empty responses.
if ($hasresp) {
$allrespdata[$i][] = [
'respdate' => userdate($resps[$respid]->submitted),
'respdata' => $respdata
];
}
}
}
}
$this->page->add_to_page('responses', $this->renderer->all_response_output($allrespdata));
} else {
$this->page->add_to_page('responses', $this->renderer->all_response_output(get_string('noresponses', 'questionnaire')));
}
$this->print_survey_end(1, 1);
}
// Access Methods.
public function is_active() {
return (!empty($this->survey));
}
public function is_open() {
return ($this->opendate > 0) ? ($this->opendate < time()) : true;
}
public function is_closed() {
return ($this->closedate > 0) ? ($this->closedate < time()) : false;
}
public function user_can_take($userid) {
if (!$this->is_active() || !$this->user_is_eligible($userid)) {
return false;
} else if ($this->qtype == QUESTIONNAIREUNLIMITED) {
return true;
} else if ($userid > 0) {
return $this->user_time_for_new_attempt($userid);
} else {
return false;
}
}
public function user_is_eligible($userid) {
return ($this->capabilities->view && $this->capabilities->submit);
}
public function user_has_saved_response($userid) {
global $DB;
return $DB->record_exists('questionnaire_response',
['survey_id' => $this->survey->id, 'userid' => $userid, 'complete' => 'n']);
}
public function user_time_for_new_attempt($userid) {
global $DB;
$params = array('qid' => $this->id, 'userid' => $userid);
if (!($attempts = $DB->get_records('questionnaire_attempts', $params, 'timemodified DESC'))) {
return true;
}
$attempt = reset($attempts);
$timenow = time();
switch ($this->qtype) {
case QUESTIONNAIREUNLIMITED:
$cantake = true;
break;
case QUESTIONNAIREONCE:
$cantake = false;
break;
case QUESTIONNAIREDAILY:
$attemptyear = date('Y', $attempt->timemodified);
$currentyear = date('Y', $timenow);
$attemptdayofyear = date('z', $attempt->timemodified);
$currentdayofyear = date('z', $timenow);
$cantake = (($attemptyear < $currentyear) ||
(($attemptyear == $currentyear) && ($attemptdayofyear < $currentdayofyear)));
break;
case QUESTIONNAIREWEEKLY:
$attemptyear = date('Y', $attempt->timemodified);
$currentyear = date('Y', $timenow);
$attemptweekofyear = date('W', $attempt->timemodified);
$currentweekofyear = date('W', $timenow);
$cantake = (($attemptyear < $currentyear) ||
(($attemptyear == $currentyear) && ($attemptweekofyear < $currentweekofyear)));
break;
case QUESTIONNAIREMONTHLY:
$attemptyear = date('Y', $attempt->timemodified);
$currentyear = date('Y', $timenow);
$attemptmonthofyear = date('n', $attempt->timemodified);
$currentmonthofyear = date('n', $timenow);
$cantake = (($attemptyear < $currentyear) ||
(($attemptyear == $currentyear) && ($attemptmonthofyear < $currentmonthofyear)));
break;
default:
$cantake = false;
break;
}
return $cantake;
}
public function is_survey_owner() {
return (!empty($this->survey->courseid) && ($this->course->id == $this->survey->courseid));
}
public function can_view_response($rid) {
global $USER, $DB;
if (!empty($rid)) {
$response = $DB->get_record('questionnaire_response', array('id' => $rid));
// If the response was not found, can't view it.
if (empty($response)) {
return false;
}
// If the response belongs to a different survey than this one, can't view it.
if ($response->survey_id != $this->survey->id) {
return false;
}
// If you can view all responses always, then you can view it.
if ($this->capabilities->readallresponseanytime) {
return true;
}
// If you are allowed to view this response for another user.
// If resp_view is set to QUESTIONNAIRE_STUDENTVIEWRESPONSES_NEVER, then this will always be false.
if ($this->capabilities->readallresponses &&
($this->resp_view == QUESTIONNAIRE_STUDENTVIEWRESPONSES_ALWAYS ||
($this->resp_view == QUESTIONNAIRE_STUDENTVIEWRESPONSES_WHENCLOSED && $this->is_closed()) ||
($this->resp_view == QUESTIONNAIRE_STUDENTVIEWRESPONSES_WHENANSWERED && !$this->user_can_take($USER->id)))) {
return true;
}
// If you can read your own response.
if (($response->userid == $USER->id) && $this->capabilities->readownresponses &&
($this->count_submissions($USER->id) > 0)) {
return true;
}
} else {
// If you can view all responses always, then you can view it.
if ($this->capabilities->readallresponseanytime) {
return true;
}
// If you are allowed to view this response for another user.
// If resp_view is set to QUESTIONNAIRE_STUDENTVIEWRESPONSES_NEVER, then this will always be false.
if ($this->capabilities->readallresponses &&
($this->resp_view == QUESTIONNAIRE_STUDENTVIEWRESPONSES_ALWAYS ||
($this->resp_view == QUESTIONNAIRE_STUDENTVIEWRESPONSES_WHENCLOSED && $this->is_closed()) ||
($this->resp_view == QUESTIONNAIRE_STUDENTVIEWRESPONSES_WHENANSWERED && !$this->user_can_take($USER->id)))) {
return true;
}
// If you can read your own response.
if ($this->capabilities->readownresponses && ($this->count_submissions($USER->id) > 0)) {
return true;
}
}
}
public function can_view_all_responses($usernumresp = null) {
global $USER, $DB, $SESSION;
if ($owner = $DB->get_field('questionnaire_survey', 'courseid', ['id' => $this->sid])) {
$owner = ($owner == $this->course->id);
} else {
$owner = true;
}
$numresp = $this->count_submissions();
if ($usernumresp === null) {
$usernumresp = $this->count_submissions($USER->id);
}
// Number of Responses in currently selected group (or all participants etc.).
if (isset($SESSION->questionnaire->numselectedresps)) {
$numselectedresps = $SESSION->questionnaire->numselectedresps;
} else {
$numselectedresps = $numresp;
}
// If questionnaire is set to separate groups, prevent user who is not member of any group
// to view All responses.
$canviewgroups = true;
$groupmode = groups_get_activity_groupmode($this->cm, $this->course);
if ($groupmode == 1) {
$canviewgroups = groups_has_membership($this->cm, $USER->id);
}
$canviewallgroups = has_capability('moodle/site:accessallgroups', $this->context);
return (( // Teacher or non-editing teacher (if can view all groups).
($canviewallgroups ||
// Non-editing teacher (with canviewallgroups capability removed), if member of a group.
($canviewgroups && $this->capabilities->readallresponseanytime)) &&
($numresp > 0) && $owner && ($numselectedresps > 0)) ||
($this->capabilities->readallresponses && ($numresp > 0) && $canviewgroups &&
// If resp_view is set to QUESTIONNAIRE_STUDENTVIEWRESPONSES_NEVER, then this will always be false.
($this->resp_view == QUESTIONNAIRE_STUDENTVIEWRESPONSES_ALWAYS ||
($this->resp_view == QUESTIONNAIRE_STUDENTVIEWRESPONSES_WHENCLOSED && $this->is_closed()) ||
($this->resp_view == QUESTIONNAIRE_STUDENTVIEWRESPONSES_WHENANSWERED && ($usernumresp > 0))) &&
$this->is_survey_owner()));
}
public function count_submissions($userid=false) {
global $DB;
if (!$userid) {
// Provide for groups setting.
return $DB->count_records('questionnaire_response', array('survey_id' => $this->sid, 'complete' => 'y'));
} else {
return $DB->count_records('questionnaire_response', array('survey_id' => $this->sid, 'userid' => $userid,
'complete' => 'y'));
}
}
private function has_required($section = 0) {
if (empty($this->questions)) {
return false;
} else if ($section <= 0) {
foreach ($this->questions as $question) {
if ($question->required()) {
return true;
}
}
} else {
foreach ($this->questionsbysec[$section] as $question) {
if ($question->required()) {
return true;
}
}
}
return false;
}
/**
* Check if current questionnaire has dependencies set and any question has dependencies.
*
* @return boolean Whether dependencies are set or not.
*/
public function has_dependencies() {
$hasdependencies = false;
if (($this->navigate > 0) && isset($this->questions) && !empty($this->questions)) {
foreach ($this->questions as $question) {
if ($question->has_dependencies()) {
$hasdependencies = true;
break;
}
}
}
return $hasdependencies;
}
/**
* @param $questionid
* @return array
*/
public function get_all_dependants($questionid) {
$directids = $this->get_dependants($questionid);
$directs = [];
$indirects = [];
foreach ($directids as $directid) {
$this->load_parents($this->questions[$directid]);
$indirectids = $this->get_dependants($directid);
foreach ($this->questions[$directid]->dependencies as $dep) {
if ($dep->dependquestionid == $questionid) {
$directs[$directid][] = $dep;
}
}
foreach ($indirectids as $indirectid) {
$this->load_parents($this->questions[$indirectid]);
foreach ($this->questions[$indirectid]->dependencies as $dep) {
if ($dep->dependquestionid != $questionid) {
$indirects[$indirectid][] = $dep;
}
}
}
}
$alldependants = new stdClass();
$alldependants->directs = $directs;
$alldependants->indirects = $indirects;
return($alldependants);
}
/**
* @param $questionid
* @return array
*/
public function get_dependants($questionid) {
$qu = [];
// Create an array which shows for every question the child-IDs.
foreach ($this->questions as $question) {
if ($question->has_dependencies()) {
foreach ($question->dependencies as $dependency) {
if (($dependency->dependquestionid == $questionid) && !in_array($question->id, $qu)) {
$qu[] = $question->id;
}
}
}
}
return($qu);
}
/**
* Function to sort descendants array in get_dependants function.
* @param $a
* @param $b
* @return int
*/
private static function cmp($a, $b) {
if ($a == $b) {
return 0;
} else if ($a < $b) {
return -1;
} else {
return 1;
}
}
/**
* Get all descendants and choices for questions with descendants.
* @return array
*/
public function get_dependants_and_choices() {
$questions = array_reverse($this->questions, true);
$parents = [];
foreach ($questions as $question) {
foreach ($question->dependencies as $dependency) {
$child = new stdClass();
$child->choiceid = $dependency->dependchoiceid;
$child->logic = $dependency->dependlogic;
$child->andor = $dependency->dependandor;
$parents[$dependency->dependquestionid][$question->id][] = $child;
}
}
return($parents);
}
/**
* Load needed parent question information into the dependencies structure for the requested question.
* @param $question
* @return bool
*/
public function load_parents($question) {
foreach ($question->dependencies as $did => $dependency) {
$dependquestion = $this->questions[$dependency->dependquestionid];
$qdependchoice = '';
switch ($dependquestion->type_id) {
case QUESRADIO:
case QUESDROP:
case QUESCHECK:
$qdependchoice = $dependency->dependchoiceid;
$dependchoice = $dependquestion->choices[$dependency->dependchoiceid]->content;
$contents = questionnaire_choice_values($dependchoice);
if ($contents->modname) {
$dependchoice = $contents->modname;
}
break;
case QUESYESNO:
switch ($dependency->dependchoiceid) {
case 0:
$dependchoice = get_string('yes');
$qdependchoice = 'y';
break;
case 1:
$dependchoice = get_string('no');
$qdependchoice = 'n';
break;
}
break;
}
// Qdependquestion, parenttype and qdependchoice fields to be used in preview mode.
$question->dependencies[$did]->qdependquestion = 'q'.$dependquestion->id;
$question->dependencies[$did]->qdependchoice = $qdependchoice;
$question->dependencies[$did]->parenttype = $dependquestion->type_id;
// Other fields to be used in Questions edit mode.
$question->dependencies[$did]->position = $question->position;
$question->dependencies[$did]->name = $question->name;
$question->dependencies[$did]->content = $question->content;
$question->dependencies[$did]->parentposition = $dependquestion->position;
$question->dependencies[$did]->parent = $dependquestion->name.'->'.$dependchoice;
}
return true;
}
/**
* Are there any eligible questions to be displayed on the specified page/section.
* @param $secnum The section number to check.
* @param $rid The current response id.
* @return boolean
*/
public function eligible_questions_on_page($secnum, $rid) {
$questionstodisplay = false;
foreach ($this->questionsbysec[$secnum] as $question) {
if ($question->dependency_fulfilled($rid, $this->questions)) {
$questionstodisplay = true;
break;
}
}
return $questionstodisplay;
}
// Display Methods.
public function print_survey($userid=false, $quser) {
global $SESSION, $CFG;
$formdata = new stdClass();
if (data_submitted() && confirm_sesskey()) {
$formdata = data_submitted();
}
$formdata->rid = $this->get_response($quser);
// If student saved a "resume" questionnaire OR left a questionnaire unfinished
// and there are more pages than one find the page of the last answered question.
if (!empty($formdata->rid) && (empty($formdata->sec) || intval($formdata->sec) < 1)) {
$formdata->sec = $this->response_select_max_sec($formdata->rid);
}
if (empty($formdata->sec)) {
$formdata->sec = 1;
} else {
$formdata->sec = (intval($formdata->sec) > 0) ? intval($formdata->sec) : 1;
}
$numsections = isset($this->questionsbysec) ? count($this->questionsbysec) : 0; // Indexed by section.
$msg = '';
$action = $CFG->wwwroot.'/mod/questionnaire/complete.php?id='.$this->cm->id;
// TODO - Need to rework this. Too much crossover with ->view method.
// Skip logic :: if this is page 1, it cannot be the end page with no questions on it!
if ($formdata->sec == 1) {
$SESSION->questionnaire->end = false;
}
if (!empty($formdata->submit)) {
// Skip logic: we have reached the last page without any questions on it.
if (isset($SESSION->questionnaire->end) && $SESSION->questionnaire->end == true) {
return;
}
$msg = $this->response_check_format($formdata->sec, $formdata);
if (empty($msg)) {
return;
}
}
if (!empty($formdata->resume) && ($this->resume)) {
$this->response_delete($formdata->rid, $formdata->sec);
$formdata->rid = $this->response_insert($this->survey->id, $formdata->sec, $formdata->rid, $quser, $resume = true);
$this->response_goto_saved($action);
return;
}
// Save each section 's $formdata somewhere in case user returns to that page when navigating the questionnaire.
if (!empty($formdata->next)) {
$msg = $this->response_check_format($formdata->sec, $formdata);
if ($msg) {
$formdata->next = '';
} else {
$this->response_delete($formdata->rid, $formdata->sec);
$formdata->rid = $this->response_insert($this->survey->id, $formdata->sec, $formdata->rid, $quser);
// Skip logic.
$formdata->sec++;
if ($this->has_dependencies()) {
while (!$this->eligible_questions_on_page($formdata->sec, $formdata->rid)) {
$this->response_delete($formdata->rid, $formdata->sec);
$formdata->sec++;
// We have reached the end of questionnaire on a page without any question left.
if ($formdata->sec > $numsections) {
$SESSION->questionnaire->end = true; // End of questionnaire reached on a no questions page.
break;
}
}
}
}
}
if (!empty($formdata->prev)) {
// If skip logic and this is last page reached with no questions,
// unlock questionnaire->end to allow navigate back to previous page.
if (isset($SESSION->questionnaire->end) && ($SESSION->questionnaire->end == true)) {
$SESSION->questionnaire->end = false;
$formdata->sec--;
}
// Prevent navigation to previous page if wrong format in answered questions).
$msg = $this->response_check_format($formdata->sec, $formdata, $checkmissing = false, $checkwrongformat = true);
if ($msg) {
$formdata->prev = '';
} else {
$this->response_delete($formdata->rid, $formdata->sec);
$formdata->rid = $this->response_insert($this->survey->id, $formdata->sec, $formdata->rid, $quser);
$formdata->sec--;
// Skip logic.
if ($this->has_dependencies()) {
while (($formdata->sec > 0) && !$this->eligible_questions_on_page($formdata->sec, $formdata->rid)) {
$formdata->sec--;
}
}
}
}
if (!empty($formdata->rid)) {
$this->response_import_sec($formdata->rid, $formdata->sec, $formdata);
}
$formdatareferer = !empty($formdata->referer) ? htmlspecialchars($formdata->referer) : '';
$formdatarid = isset($formdata->rid) ? $formdata->rid : '0';
$this->page->add_to_page('formstart', $this->renderer->complete_formstart($action, ['referer' => $formdatareferer,
'a' => $this->id, 'sid' => $this->survey->id, 'rid' => $formdatarid, 'sec' => $formdata->sec, 'sesskey' => sesskey()]));
if (isset($this->questions) && $numsections) { // Sanity check.
$this->survey_render($formdata->sec, $msg, $formdata);
$controlbuttons = [];
if ($formdata->sec > 1) {
$controlbuttons['prev'] = ['type' => 'submit', 'value' => '<< '.get_string('previouspage', 'questionnaire')];
}
if ($this->resume) {
$controlbuttons['resume'] = ['type' => 'submit', 'value' => get_string('save', 'questionnaire')];
}
// Add a 'hidden' variable for the mod's 'view.php', and use a language variable for the submit button.
if ($formdata->sec == $numsections) {
$controlbuttons['submittype'] = ['type' => 'hidden', 'value' => 'Submit Survey'];
$controlbuttons['submit'] = ['type' => 'submit', 'value' => get_string('submitsurvey', 'questionnaire')];
} else {
$controlbuttons['next'] = ['type' => 'submit', 'value' => get_string('nextpage', 'questionnaire').' >>'];
}
$this->page->add_to_page('controlbuttons', $this->renderer->complete_controlbuttons($controlbuttons));
} else {
$this->page->add_to_page('controlbuttons',
$this->renderer->complete_controlbuttons(get_string('noneinuse', 'questionnaire')));
}
$this->page->add_to_page('formend', $this->renderer->complete_formend());
return $msg;
}
private function survey_render($section = 1, $message = '', &$formdata) {
$this->usehtmleditor = null;
if (empty($section)) {
$section = 1;
}
$numsections = isset($this->questionsbysec) ? count($this->questionsbysec) : 0;
if ($section > $numsections) {
$formdata->sec = $numsections;
$this->page->add_to_page('notifications',
$this->renderer->notification(get_string('finished', 'questionnaire'), \core\output\notification::NOTIFY_WARNING));
return(false); // Invalid section.
}
// Check to see if there are required questions.
$hasrequired = $this->has_required($section);
// Find out what question number we are on $i New fix for question numbering.
$i = 0;
if ($section > 1) {
for ($j = 2; $j <= $section; $j++) {
foreach ($this->questionsbysec[$j - 1] as $question) {
if ($question->type_id < QUESPAGEBREAK) {
$i++;
}
}
}
}
$this->print_survey_start($message, $section, $numsections, $hasrequired, '', 1);
foreach ($this->questionsbysec[$section] as $question) {
if ($question->type_id != QUESSECTIONTEXT) {
$i++;
}
// Need questionnaire id to get the questionnaire object in sectiontext (Label) question class.
$formdata->questionnaire_id = $this->id;
$this->page->add_to_page('questions',
$this->renderer->question_output($question, $formdata, [], $i, $this->usehtmleditor));
}
$this->print_survey_end($section, $numsections);
return;
}
private function print_survey_start($message, $section, $numsections, $hasrequired, $rid='', $blankquestionnaire=false) {
global $CFG, $DB;
require_once($CFG->libdir.'/filelib.php');
$userid = '';
$resp = '';
$groupname = '';
$currentgroupid = 0;
$timesubmitted = '';
// Available group modes (0 = no groups; 1 = separate groups; 2 = visible groups).
if ($rid) {
$courseid = $this->course->id;
if ($resp = $DB->get_record('questionnaire_response', array('id' => $rid)) ) {
if ($this->respondenttype == 'fullname') {
$userid = $resp->userid;
// Display name of group(s) that student belongs to... if questionnaire is set to Groups separate or visible.
if (groups_get_activity_groupmode($this->cm, $this->course)) {
if ($groups = groups_get_all_groups($courseid, $resp->userid)) {
if (count($groups) == 1) {
$group = current($groups);
$currentgroupid = $group->id;
$groupname = ' ('.get_string('group').': '.$group->name.')';
} else {
$groupname = ' ('.get_string('groups').': ';
foreach ($groups as $group) {
$groupname .= $group->name.', ';
}
$groupname = substr($groupname, 0, strlen($groupname) - 2).')';
}
} else {
$groupname = ' ('.get_string('groupnonmembers').')';
}
}
$params = array(
'objectid' => $this->survey->id,
'context' => $this->context,
'courseid' => $this->course->id,
'relateduserid' => $userid,
'other' => array('action' => 'vresp', 'currentgroupid' => $currentgroupid, 'rid' => $rid)
);
$event = \mod_questionnaire\event\response_viewed::create($params);
$event->trigger();
}
}
}
$ruser = '';