First commit.
This still needs some work on the installer, which is not added yet.
This commit is contained in:
Raymond Jelierse
166
index.php
Normal file
166
index.php
Normal file
@ -0,0 +1,166 @@
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<?php
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/**
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* Change blindness test.
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* Visual Communication Design. Assignment 1.
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*
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* @author Raymond Jelierse <r.jelierse@student.tudelft.nl>
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*
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* This work is licensed under the Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License.
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* To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-sa/3.0/ or send a letter to
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* Creative Commons, 444 Castro Street, Suite 900, Mountain View, California, 94041, USA.
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*/
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require_once 'Twig/Autoloader.php';
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Twig_Autoloader::register();
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session_start();
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$base_dir = dirname(__FILE__);
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$settings = json_decode(file_get_contents('settings.json'));
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$db = new mysqli($settings->database->host, $settings->database->username, $settings->database->password, $settings->database->name);
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$twig_loader = new Twig_Loader_Filesystem($base_dir.'/views');
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$twig = new Twig_Environment($twig_loader, array('debug' => true));
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$variables = array(
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'baseURL' => $settings->baseURL
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);
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$template = false;
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$mode = !empty($_GET['mode']) ? $_GET['mode'] : 'start';
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$phase = !empty($_GET['phase']) && in_array($_GET['phase'], $settings->phases) ? $_GET['phase'] : false;
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$index = 0;
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if (!empty($phase)) {
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$index = array_search($phase, $settings->phases, true) + 1;
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}
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// Store the results upon submittal.
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if (!empty($phase) && isset($_POST['responsetime'])) {
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$_SESSION['results'][$phase] = array(
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'xcoordinate' => $_POST['xcoordinate'],
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'ycoordinate' => $_POST['ycoordinate'],
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'responsetime' => $_POST['responsetime']
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);
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// End of the line.
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if ($index == count($settings->phases)) {
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header('HTTP/1.0 302 Found');
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header('Location: http://vcd.sparse.nl/finish');
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exit;
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}
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// Next phase.
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else {
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$mode = 'phase_next';
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}
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}
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switch ($mode) {
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case 'start':
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$template = 'index.html.twig';
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break;
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case 'phase':
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$template = 'change.html.twig';
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$variables['imageWithElement'] = 'img/'.$phase.'-with.png';
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$variables['imageWithoutElement'] = 'img/'.$phase.'-without.png';
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$variables['step_count'] = $index;
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break;
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case 'phase_next':
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$template = 'next.html.twig';
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$variables['next_url'] = 'phase/'.$settings->phases[$index];
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$variables['step_count'] = $index;
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break;
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case 'finish':
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$template = 'finish.html.twig';
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// Store the result.
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$query = $db->prepare('insert into vcd_results values (null, unix_timestamp(), ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)');
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$query->bind_param(
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'siiiiiiiii',
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$_SERVER['REMOTE_ADDR'],
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$_SESSION['results']['notable']['xcoordinate'],
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$_SESSION['results']['notable']['ycoordinate'],
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$_SESSION['results']['notable']['responsetime'],
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$_SESSION['results']['unnoted']['xcoordinate'],
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$_SESSION['results']['unnoted']['ycoordinate'],
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$_SESSION['results']['unnoted']['responsetime'],
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$_SESSION['results']['renoted']['xcoordinate'],
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$_SESSION['results']['renoted']['ycoordinate'],
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$_SESSION['results']['renoted']['responsetime']
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) or die('Could not prepare query');
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$query->execute() or die('Could not execute query');
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$query->close();
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break;
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case 'results':
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$download = isset($_GET['download']);
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if ($settings->debug) {
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$variables['allow_filtering'] = true;
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$filtered = isset($_GET['filtered']) || $download;
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}
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else {
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$filtered = true;
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}
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if ($download) {
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header('Content-Type: text/tab-separated-values');
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header('Content-Disposition: attachment; filename=vcd-results.txt');
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$template = 'results.txt.twig';
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}
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else {
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$template = 'results.html.twig';
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}
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if ($filtered) {
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$variables['filtered'] = true;
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$results = $db->query("select * from vcd_results where result_host != '192.168.0.1' order by result_date asc");
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}
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else {
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$results = $db->query("select * from vcd_results order by result_date asc");
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}
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if ($results === false) {
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header('HTTP/1.0 500 Internal Server Error');
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exit;
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}
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$variables['records'] = $results->num_rows;
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$variables['data'] = array();
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$variables['stats'] = array();
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while (($record = $results->fetch_assoc()) !== null) {
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$data = array();
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$stats = array();
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// Prepare data
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foreach ($record as $name => $value) {
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list($cat, $key) = explode('_', $name);
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$data[$cat][$key] = $value;
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}
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$variables['data'][] = $data;
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// Build statistics
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foreach ($settings->phases as $phase) {
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$stats[$phase] = array(
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'correct' => (($data[$phase]['xcoordinate'] >= $settings->elementLocations->{$phase}->topleft->x)
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&& ($data[$phase]['xcoordinate'] <= $settings->elementLocations->{$phase}->bottomright->x)
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&& ($data[$phase]['ycoordinate'] >= $settings->elementLocations->{$phase}->topleft->y)
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&& ($data[$phase]['ycoordinate'] <= $settings->elementLocations->{$phase}->bottomright->y)),
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'time' => $data[$phase]['responsetime']
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);
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}
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$variables['stats'][] = $stats;
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}
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$results->free();
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break;
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}
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if (!empty ($template)) {
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echo $twig->render($template, $variables);
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}
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else {
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header('HTTP/1.0 404 Not Found');
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}
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