/**
* Builds a new set of question-answer pairs by taking $questions and using
* only questions with id in $questionIds. Questions in $questionIds that
* are not in $questions have an empty answer.
*/
protected static function pruneQuestionsByIdSet($questions, $questionIds)
{
$questionSet = [];
// Create a hash from _id to the _id-answer pair.
$questionsHash = arrayToHashByKey($questions, '_id');
// For all the ids in $questionIds, add an _id-answer pair to questionSet.
foreach ($questionIds as $questionId) {
$questionId .= '';
if (isset($questionsHash[$questionId])) {
$questionSet[] = $questionsHash[$questionId];
} else {
$questionSet[] = ['_id' => $questionId, 'answer' => ''];
}
}
return $questionSet;
}
public static function apply(array $restOfRoute)
{
global $params;
StudentController::requireLogin();
$jobId = self::getIdFromRoute($restOfRoute);
if (is_null($jobId)) {
return;
}
$studentId = $_SESSION['_id'];
$application = ApplicationJob::get($jobId);
// Make sure job exists.
if (!self::checkJobExists($jobId)) {
return;
}
// Saving of application.
if (isset($params['questions'])) {
ApplicationStudent::save($jobId, $studentId, $params['questions']);
return;
}
$submitted = false;
// Submitting of application.
if ($params) {
self::submit($jobId, $studentId, $params);
}
$entry = JobModel::getById($jobId);
$companyId = $entry['company'];
$company = CompanyModel::getById($companyId);
$questions = array();
if (ApplicationModel::applicationExists($jobId, $studentId)) {
$applicationData = ApplicationModel::getApplication($jobId, $studentId);
$application = new ApplicationStudent($applicationData);
$applicationId = $application->getId();
$submitted = ApplicationModel::checkSubmitted($application->getId());
if ($submitted) {
//student succesfully submitted application
self::redirect("../application/{$applicationId}");
}
foreach ($application->getQuestions() as $question) {
$_id = $question['_id'];
$questions[] = ['_id' => $_id, 'text' => Question::getTextById($_id), 'answer' => $question['answer']];
}
} else {
JobModel::incrementApply($jobId);
foreach ($application->getQuestions() as $questionId) {
$answer = '';
$answers = StudentModel::getAnswers($studentId);
$answers = arrayToHashByKey($answers, '_id');
if (isset($answers[$questionId . ''])) {
$answer = $answers[$questionId . '']['answer'];
} else {
$answer = '';
}
$questions[] = ['_id' => $questionId, 'text' => Question::getTextById($questionId), 'answer' => $answer];
}
}
self::render('jobs/applications/apply', ['questions' => $questions, 'jobtitle' => $entry['title'], 'companytitle' => $company['name'], 'jobId' => $jobId, 'submitted' => $submitted]);
}
/**
* Update a student document's 'answers' field with new saved answers.
*/
private static function saveStudentAnswers(Application $application)
{
$studentId = $application->getStudentId();
$questions = $application->getQuestions();
if (count($questions) == 0) {
return;
}
// Retrieves the question-answer pairs.
$answers = StudentModel::getAnswers($studentId);
// Loop through $questions, replace answer for the corresponding question
// in $answers, or append to $answers if it is not in $answers.
$answersHash = arrayToHashByKey($answers, '_id', 'index');
foreach ($questions as $question) {
$questionId = $question['_id'];
$newAnswer = $question['answer'];
if (isset($answersHash[$questionId . ''])) {
$index = $answersHash[$questionId . ''];
$answers[$index]['answer'] = $newAnswer;
} else {
$answers[] = ['_id' => $questionId, 'answer' => $newAnswer];
}
}
StudentModel::replaceAnswers($studentId, $answers);
}
