125 lines
3.0 KiB
PHP
Executable File
125 lines
3.0 KiB
PHP
Executable File
<?php
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require_once 'vendor/autoload.php';
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$dotenv = Dotenv\Dotenv::createImmutable(__DIR__);
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$dotenv->safeLoad();
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// Use environment variables for the database password and IP address.
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$db_pass = $_ENV['DATABASE_PASSWORD'];
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$ip_addr = $_ENV['IP_ADDRESS'];
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// Make some constants
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if ($_SERVER['HTTP_HOST'] == 'localhost') {
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define('HOST', 'localhost');
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define('USER', 'root');
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define('PASS', $db_pass);
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define('DB', 'poll');
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} else {
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define('HOST', $ip_addr);
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define('USER', 'root');
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define('PASS', $db_pass);
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define('DB', 'poll');
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}
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$poll_options = [
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'Atom',
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'Brackets',
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'Eclipse',
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'Emacs',
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'Gedit',
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'IntelliJ',
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'Nano',
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'NetBeans',
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'NeoVim',
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'Notepad++',
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'Sublime',
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'Visual Studio',
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'Visual Studio Code',
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'XCode',
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];
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?>
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<!doctype html>
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<html lang="en">
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<head>
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<title>Poll</title>
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<link href="poll/css/styles.css" type="text/css" rel="stylesheet">
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<script src="poll/js/index.js" defer></script>
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</head>
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<body>
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<h1>Poll</h1>
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<?php
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if (!isset($_POST['option'])) {
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echo '
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<h3>What is the best text editor or IDE?</h3>
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<form method="post">';
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foreach ($poll_options as $option) {
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echo '
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<div class="option">
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<label for="' . $option . '">
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<input type="radio" value="' . $option . '" id="' . $option . '" name="option">
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' . $option . '
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</label>
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</div>
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';
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}
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echo '
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<button>Submit</button>
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</form>';
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} else {
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echo "<h3>Thank you! Here's the results.</h3>";
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updateDb($_POST['option']);
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}
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?>
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</body>
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</html>
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<?php
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function updateDb($option)
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{
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$conn = mysqli_connect(HOST, USER, PASS, DB);
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// Write a DB query
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$sql = 'SELECT * FROM poll_results WHERE option = "' . $option . '";';
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// Run DB query
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$results = mysqli_query($conn, $sql);
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if (mysqli_num_rows($results) == 0) {
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$sql = "INSERT INTO poll_results (option, count) VALUES ('$option', 1)";
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$results = mysqli_query($conn, $sql);
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} else {
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$sql = 'UPDATE poll_results SET count = count + 1 WHERE option = "' . $option . '";';
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$results = mysqli_query($conn, $sql);
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}
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displayChart();
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}
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function displayChart()
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{
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// Connect to the DB
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$conn = mysqli_connect(HOST, USER, PASS, DB);
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$sql = 'SELECT * FROM poll_results ORDER BY count DESC;';
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$data = mysqli_query($conn, $sql);
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$sql = 'SELECT SUM(count) AS total_count FROM poll_results;';
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$result = mysqli_query($conn, $sql);
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$row = mysqli_fetch_assoc($result);
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$totalCount = $row['total_count'];
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echo '<div class="chart">';
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while ($row = mysqli_fetch_assoc($data)) {
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$width = ($row['count'] / $totalCount) * 100;
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$calculatedWidth = max($width, 5);
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echo '<p class="chart-label">' . $row['option'] . '</p>';
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echo '<div class="bar" style="width: ' . $calculatedWidth . '%"><p class="bar-label">' . ceil($width) . '%</p></div>';
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}
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echo '</div>';
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}
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?>
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