public function generateQuestionChart($question_id, $title)
{
$answers = Question::find($question_id)->answers;
$content = $answers->lists('content');
$total = 0;
$index = 0;
$votes = array();
foreach ($answers as $answer) {
$count = UserAnswer::where('answer_id', '=', $answer->id)->count();
$total += $count;
$votes[$index++] = $count;
}
$index = 0;
$percentages = array();
foreach ($votes as $vote) {
$percentages[$index++] = round($vote / $total * 100, 0, PHP_ROUND_HALF_UP);
}
return array('title' => $title, 'xaxis' => $content, 'percentages' => $percentages, 'votes' => $votes, 'total' => $total);
}
public function submitQuestion()
{
$answer_id = Input::get('answer_id');
$user_answer = UserAnswer::create(array('answer_id' => $answer_id, 'user_id' => Auth::user()->id));
$user_answer->save();
return View::make('question-chart')->with('question', Answer::find($answer_id)->question);
}
/**
* @return \yii\db\ActiveQuery
*/
public function getUserAnswers()
{
return $this->hasMany(UserAnswer::className(), ['user_id' => 'id']);
}
