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<?php
class Questionnaire extends SimpleORMap implements PrivacyObject
{
public $answerable;
protected static function configure($config = [])
{
$config['db_table'] = 'questionnaires';
$config['has_many']['questions'] = [
'class_name' => 'QuestionnaireQuestion',
'on_delete' => 'delete',
'on_store' => 'store'
];
$config['has_many']['assignments'] = [
'class_name' => 'QuestionnaireAssignment',
'on_delete' => 'delete',
'on_store' => 'store'
];
$config['has_many']['anonymousanswers'] = [
'class_name' => 'QuestionnaireAnonymousAnswer',
'on_delete' => 'delete',
'on_store' => 'store'
];
parent::configure($config);
}
public function countAnswers()
{
$statement = DBManager::get()->prepare("
SELECT COUNT(*)
FROM questionnaire_answers
INNER JOIN questionnaire_questions ON (questionnaire_answers.question_id = questionnaire_questions.question_id)
WHERE questionnaire_id = :questionnaire_id
");
$statement->execute([
'questionnaire_id' => $this->getId()
]);
$answers_total = $statement->fetch(PDO::FETCH_COLUMN, 0);
return count($this->questions) ? $answers_total / count($this->questions) : 0;
}
public function isAnswered($user_id = null)
{
$user_id || $user_id = $GLOBALS['user']->id;
if (!$user_id || ($user_id === "nobody")) {
return false;
}
$statement = DBManager::get()->prepare("
SELECT 1
FROM questionnaire_answers
INNER JOIN questionnaire_questions ON (questionnaire_answers.question_id = questionnaire_questions.question_id)
WHERE user_id = :user_id
AND questionnaire_id = :questionnaire_id
UNION SELECT 1
FROM questionnaire_anonymous_answers
WHERE user_id = :user_id
AND questionnaire_id = :questionnaire_id
");
$statement->execute([
'user_id' => $user_id,
'questionnaire_id' => $this->getId()
]);
return (bool) $statement->fetch(PDO::FETCH_COLUMN, 0);
}
public function latestAnswerTimestamp()
{
$statement = DBManager::get()->prepare("
SELECT questionnaire_answers.chdate
FROM questionnaire_answers
INNER JOIN questionnaire_questions ON (questionnaire_answers.question_id = questionnaire_questions.question_id)
WHERE questionnaire_questions.questionnaire_id = ?
ORDER BY questionnaire_answers.chdate DESC
LIMIT 1
");
$statement->execute([$this->getId()]);
return $statement->fetch(PDO::FETCH_COLUMN, 0);
}
public function isViewable()
{
if ($this->isEditable()) {
return true;
}
if (!$this->isStarted()) {
return false;
}
foreach ($this->assignments as $assignment) {
if ($assignment['range_id'] === "public") {
return true;
} elseif (in_array($assignment['range_type'], ["static", "user", "institute"]) && $GLOBALS['perm']->have_perm("user")) {
return true;
} elseif ($assignment['range_type'] === "statusgruppe") {
$statusgruppe_user = StatusgruppeUser::findOneBySQL(
"statusgruppe_id = ? AND user_id = ?",
[$assignment['range_id'], $GLOBALS['user']->id]);
if ($statusgruppe_user) {
return true;
}
} elseif($GLOBALS['perm']->have_studip_perm("user", $assignment['range_id'])) {
return true;
} else {
//now look through all plugin if this assignment is related to plugin contents:
foreach (PluginManager::getInstance()->getPlugins("QuestionnaireAssignmentPlugin") as $plugin) {
if ($plugin->isQuestionnaireViewable($assignment)) {
return true;
}
}
}
}
return false;
}
public function isAnswerable()
{
if (!$this->isViewable() || !$this->isRunning()) {
return false;
}
if ($this['anonymous'] && $this->isAnswered()) {
return false;
}
if ($this->isEditable()) {
return true;
}
$this->answerable = true;
NotificationCenter::postNotification("QuestionnaireWillAllowToAnswer", $this);
return $this->answerable;
}
public function isEditable()
{
if ($this->isNew() || ($this['user_id'] === $GLOBALS['user']->id) || $GLOBALS['perm']->have_perm("root")) {
return true;
} else {
foreach ($this->assignments as $assignment) {
if ($assignment['range_type'] === "institute" && $GLOBALS['perm']->have_studip_perm("tutor", $assignment['range_id'])) {
return true;
} elseif ($assignment['range_type'] === "statusgruppe") {
$statusgruppe = Statusgruppen::find($assignment['range_id']);
if ($statusgruppe && $GLOBALS['perm']->have_studip_perm("tutor", $statusgruppe['range_id'])) {
return true;
}
} elseif($assignment['range_type'] === "course" && $GLOBALS['perm']->have_studip_perm("tutor", $assignment['range_id'])) {
return true;
} else {
//now look through all plugin if this assignment is related to plugin contents:
foreach (PluginManager::getInstance()->getPlugins("QuestionnaireAssignmentPlugin") as $plugin) {
if ($plugin->isQuestionnaireEditable($assignment)) {
return true;
}
}
}
}
}
return false;
}
public function isCopyable()
{
return ($this->copyable && $GLOBALS['perm']->have_perm('autor') && $this->isViewable()) || $this->isEditable();
}
public function start()
{
if (!$this->isRunning()) {
$this['startdate'] = time();
$this['visible'] = 1;
if ($this->isStopped()) {
$this['stopdate'] = null;
}
$this->store();
foreach ($this->questions as $question) {
$question->onBeginning();
}
}
}
public function stop()
{
if (!$this->isStopped()) {
$this['visible'] = $this['resultvisibility'] === 'never' ? 0 : 1;
$this['stopdate'] = time();
$this->store();
foreach ($this->questions as $question) {
$question->onEnding();
}
}
}
public function isStarted()
{
return $this['startdate'] && ($this['startdate'] <= time());
}
public function isStopped()
{
return $this['stopdate'] && ($this['stopdate'] <= time());
}
public function isRunning()
{
return $this->isStarted() && !$this->isStopped();
}
public function resultsVisible()
{
if (!$this->isViewable()) {
return false;
}
return $this['resultvisibility'] === "always"
|| $this->isEditable()
|| ($this['resultvisibility'] === "afterending" && $this->isStopped());
}
/**
* Export available data of a given user into a storage object
* (an instance of the StoredUserData class) for that user.
*
* @param StoredUserData $storage object to store data into
*/
public static function exportUserData(StoredUserData $storage)
{
$sorm = self::findBySQL("user_id = ?", [$storage->user_id]);
if ($sorm) {
$field_data = [];
foreach ($sorm as $row) {
$field_data[] = $row->toRawArray();
}
if ($field_data) {
$storage->addTabularData(_('Fragebögen'), 'questionnaires', $field_data);
}
}
}
}
|
