62 lines
2.7 KiB
PHP
62 lines
2.7 KiB
PHP
<?php
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/**
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* Created by PhpStorm.
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* User: leanderschmedemann
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* Date: 03/04/2017
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* Time: 14:00
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*/
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require_once('includes.inc.php');
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$data = '';
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$error = 0;
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$uid = isset($_GET['uid']) ? $_GET['uid'] : '';
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$time = isset($_GET['time']) ? $_GET['time'] : '';
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$time = (($time === '0') || ($time && gettype(+$time) == 'integer')) ? +$_GET['time'] : 0;
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$db = new Database();
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$chosen_answer = isset($_GET['answer']) ? $_GET['answer'] : '';
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$chosen_answer = (($chosen_answer === '0') || ($chosen_answer && gettype(+$chosen_answer) == 'integer')) ? +$_GET['answer'] : -1;
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function calculate_points($time) {
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$points = $time < 2000 ? 100 : 141.1421 - 0.02842916 * $time + 0.000004132312 * pow($time, 2)
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- 3.432331e-10 * pow($time, 3) + 1.391508e-14 * pow($time, 4) - 2.166078e-19 * pow($time, 5);
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$points = $points < 10 ? 10 : intval($points);
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return $points;
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}
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$correct_answer = $db->query('SELECT "current_right_answer" FROM "Games" WHERE "ID" = $1', array($uid))
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['data'][0]['current_right_answer'];
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$correct = $correct_answer == $chosen_answer ? true : false;
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$score = $correct_answer == $chosen_answer ? calculate_points($time) : 0;
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if($uid == '') {
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$error = 13101;
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} else if($time == 0) {
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$error = 13102;
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} else if($chosen_answer == -1) {
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$error = 13103;
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} else if($db->query('SELECT EXISTS (SELECT 1 FROM "Games" WHERE "ID" = $1)', array($uid))
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['data'][0]['exists'] == 'f') {
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$error = 13104;
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} else {
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$old_points = $db->query('SELECT "current_score" FROM "Games" WHERE "ID" = $1', array($uid))
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['data'][0]['current_score'];
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$new_points = $old_points + $score;
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$db->query('UPDATE "Games" SET "current_score" = $1 WHERE "ID" = $2', array($new_points, $uid));
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$results = array('correct' => $correct, 'score' => $score);
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$old_time = $db->query('SELECT "total_time" FROM "Games" WHERE "ID" = $1', array($uid))
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['data'][0]['total_time'];
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$new_time = $old_time + $time;
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$db->query('UPDATE "Games" SET "total_time" = $1 WHERE "ID" = $2', array($new_time, $uid));
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if($db->query('SELECT EXISTS (SELECT 1 FROM "GamesQuestions" WHERE "Games_ID" = $1)',array($uid))
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['data'][0]['exists'] == 't') {
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$next_question = Question::get_next_question($db, $uid);
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$data = array('results' => $results, 'next' => $next_question);
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} else {
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$end = array('score' => $new_points, 'time' => $new_time);
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$data = array('results' => $results, 'end' => $end);
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}
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}
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$response = Database::create_response($data, $error);
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print_r($response);
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?>
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