public function result(Request $req)
{
$input = $req->all();
if (isset($input['option'])) {
$array_of_options = $input['option'];
foreach ($array_of_options as $key => $value) {
//$key = question id
//$value = user submitted answer
$answer = Answers::select('option_id')->where('question_id', '=', $key)->get();
if (count($answer) === 1) {
//Single answer
$answer = $answer->first();
if ($answer->option_id === $value) {
//User answer is correct
$correct_answer[$key] = $value;
} else {
//User answer isn't correct
$wrong_answer[$key] = $value;
}
} else {
//Multiple answer
foreach ($answer as $ans) {
foreach ($value as $val) {
if ($ans->option_id === $val) {
$multiple_right_answer[] = $val;
}
}
}
if (isset($multiple_right_answer)) {
if (count($multiple_right_answer) === count($answer)) {
$correct_answer[$key] = $value;
} else {
$wrong_answer[$key] = $value;
}
} else {
$wrong_answer[$key] = $value;
}
}
//End of Multiple answer
$multiple_right_answer = null;
}
if (isset($correct_answer)) {
$correct_answer_count = count($correct_answer);
//Get the skill result
$correct_answer_array = array_keys($correct_answer);
$chart = $this->getSkillResult($correct_answer_array);
$this->generatePdf($chart);
} else {
$correct_answer_count = 0;
$correct_answer = null;
$chart = null;
}
if (isset($wrong_answer)) {
$wrong_answer_count = count($wrong_answer);
} else {
$wrong_answer_count = 0;
$wrong_answer = null;
}
$success_percentage = $correct_answer_count * 100 / ($correct_answer_count + $wrong_answer_count);
$result_data = ['user_id' => \Auth::user()->id, 'quiz_id' => $req->input('quiz_id'), 'total_attempt' => $correct_answer_count + $wrong_answer_count, 'correct_answers' => $correct_answer_count, 'percentage' => $success_percentage];
\DB::table('results')->insert($result_data);
$user_given_inputs = $input['option'];
//Call the pdf creation and sending email function here to include the $skill data and user result data
return view('result')->with(['chart' => $chart, 'user_given_inputs' => $user_given_inputs, 'percentage' => $success_percentage, 'correct_answer' => $correct_answer, 'wrong_answer' => $wrong_answer]);
} else {
return view('result')->with(['message' => 'You did not answer any question. Try again!']);
}
}
