public function updateQuiz($quiz_id)
{
$quiz = Quiz::find($quiz_id);
$quiz->title = Input::get('title');
$quiz->minutes = Input::get('minutes');
$quiz->details = Input::get('details');
$quiz->save();
$questions = Input::get('question');
$answers = Input::get('answer');
$choices = Input::get('choice');
if (!empty($questions['old'])) {
$old_questions = $questions['old'];
$old_answers = $answers['old'];
$quiz_items = DB::table('quiz_items')->where('quiz_id', '=', $quiz_id)->get();
foreach ($quiz_items as $question_index => $quiz_item) {
$quiz_item_id = $quiz_item->id;
$quiz_item = QuizItem::find($quiz_item_id);
$quiz_item->quiz_id = $quiz_id;
$quiz_item->question = $old_questions[$question_index];
$quiz_item->save();
$current_number_of_answers = 0;
if (!empty($old_answers[$quiz_item_id])) {
$quiz_items_answers = DB::table('quiz_items_answers')->where('quiz_item_id', '=', $quiz_item_id)->get();
$item_answers = $old_answers[$quiz_item_id];
$total_answers = count($item_answers) - 1;
foreach ($quiz_items_answers as $qia_index => $qia) {
$answer = QuizItemAnswer::find($qia->id);
$answer->answer = $item_answers[$qia_index];
$answer->save();
$current_number_of_answers += 1;
}
$answer_index = $current_number_of_answers;
for ($x = $answer_index; $x <= $total_answers; $x++) {
$quiz_item_answer = new QuizItemAnswer();
$quiz_item_answer->quiz_item_id = $quiz_item_id;
$quiz_item_answer->answer = $item_answers[$x];
$quiz_item_answer->save();
}
}
if (!empty($choices['old'])) {
$item_choices = array();
$old_choices = $choices['old'];
$total_choices = count($old_choices);
$current_number_of_choices = 0;
$quiz_items_choices = DB::table('quiz_items_choices')->where('quiz_item_id', '=', $quiz_item_id)->get();
$current_number_of_choices = count($quiz_items_choices);
if (!empty($old_choices[$quiz_item_id])) {
$item_choices = $old_choices[$quiz_item_id];
foreach ($quiz_items_choices as $qic_index => $qic) {
$choice = QuizItemChoice::find($qic->id);
$choice->choice = $item_choices[$qic_index];
$choice->save();
}
}
if (!empty($item_choices)) {
while ($current_number_of_choices < $total_choices) {
if (!empty($item_choices[$current_number_of_choices])) {
$choice = $item_choices[$current_number_of_choices];
$quiz_item_choice = new QuizItemChoice();
$quiz_item_choice->quiz_item_id = $quiz_item_id;
$quiz_item_choice->choice = $choice;
$quiz_item_choice->save();
}
$current_number_of_choices += 1;
}
}
}
}
}
if (!empty($questions['new'])) {
$new_questions = $questions['new'];
$new_answers = $answers['new'];
foreach ($new_questions as $index => $question) {
$quiz_item = new QuizItem();
$quiz_item->quiz_id = $quiz_id;
$quiz_item->question = $question;
$quiz_item->save();
$quiz_item_id = $quiz_item->id;
if (!empty($new_answers[$index])) {
$item_answers = $new_answers[$index];
foreach ($item_answers as $answer) {
$quiz_item_answer = new QuizItemAnswer();
$quiz_item_answer->quiz_item_id = $quiz_item_id;
$quiz_item_answer->answer = $answer;
$quiz_item_answer->save();
}
}
if (!empty($choices['new'][$index])) {
$new_choices = $choices['new'];
$item_choices = $new_choices[$index];
foreach ($item_choices as $choice) {
$quiz_item_choice = new QuizItemChoice();
$quiz_item_choice->quiz_item_id = $quiz_item_id;
$quiz_item_choice->choice = $choice;
$quiz_item_choice->save();
}
}
}
}
return Redirect::back()->with('message', array('type' => 'success', 'text' => 'Quiz Updated!'));
}