105 lines
4.8 KiB
PHP
105 lines
4.8 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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$chosen_answer = isset($_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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$token = isset($_GET['token']) ? $_GET['token'] : '';
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$db = new Database();
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function calculate_points($time) {
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$points = 0;
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if($time > 10) {
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if ($time < TIME_FULL) {
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$points = MAX_POINTS;
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} else {
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$points = round(MAX_POINTS - ((POINTS_REDUCTION * sqrt(REDUCTION_STEP * (-8 * TIME_FULL + REDUCTION_STEP + 8 * $time))) / (2 * REDUCTION_STEP)));
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}
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if ($points < MIN_POINTS) {
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$points = MIN_POINTS;
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}
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}
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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_token = $db->query('SELECT "current_token" FROM "Games" WHERE "ID" = $1', array($uid))
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['data'][0]['current_token'];
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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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$error = 13104;
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} else if($token != $correct_token) {
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$error = 13105;
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} else {
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//set time and points
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$old_q_count = $db->query('SELECT "answered_questions" FROM "Games" WHERE "ID" = $1',
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array($uid))['data'][0]['answered_questions'];
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$new_q_count = $old_q_count + 1;
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$db->query('UPDATE "Games" SET "answered_questions" = $1 WHERE "ID" = $2', array($new_q_count, $uid));
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$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, 'correctPos' => $correct_answer, 'score' => $score, 'total' => $new_points);
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$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, $uid));
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//set category highscore
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$cid = $db->query('SELECT "current_category" FROM "Games" WHERE "ID" = $1', array($uid))
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['data'][0]['current_category'];
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if($db->query('SELECT EXISTS (SELECT 1 FROM "Highscores" WHERE "Users_ID" = $1 AND "Categories_ID" = $2)',
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array($uid, $cid))['data'][0]['exists'] == 'f') {
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$db->query('INSERT INTO "Highscores" ("Users_ID", "Categories_ID") VALUES ($1, $2)', array($uid, $cid));
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}
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$old_high = $db->query('SELECT "score" FROM "Highscores" WHERE "Users_ID" = $1 AND "Categories_ID" = $2',
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array($uid, $cid))['data'][0]['score'];
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$new_high = $old_high == 0 ? $score : round($old_high * 0.95 + $score * 0.05);
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$db->query('UPDATE "Highscores" SET "score" = $1 WHERE "Users_ID" = $2 AND "Categories_ID" = $3',
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array($new_high, $uid, $cid));
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//create next question if existing, end object otherwise - then set user highscore
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if($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' => $end);
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$old_user_high = $db->query(
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'SELECT "highscore" FROM "Users" WHERE "ID" = $1',
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array($uid)
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)['data'][0]['highscore'];
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$answered_questions = $db->query('SELECT "answered_questions" FROM "Games" WHERE "ID" = $1',
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array($uid))['data'][0]['answered_questions'];
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$new_points = round($new_points / $answered_questions);
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$new_user_high = $old_user_high == 0 ? $new_points : round($old_user_high * 0.95 + $new_points * 0.05);
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$db->query('UPDATE "Users" SET "highscore" = $1 WHERE "ID" = $2', array($new_user_high, $uid));
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$db->query('DELETE FROM "Games" WHERE "ID" = $1', array($uid));
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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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