poll assignment.

2025-02-08 14:02:54 -07:00
parent 83fa29d54c
commit 2a98edbc6f
12 changed files with 276 additions and 51 deletions
@@ -0,0 +1,132 @@
+<?php
+require_once 'vendor/autoload.php';
+
+$dotenv = Dotenv\Dotenv::createImmutable(__DIR__);
+$dotenv->safeLoad();
+
+// Use environment variables for the database password and IP address.
+$db_pass = $_ENV['DATABASE_PASSWORD'];
+$ip_addr = $_ENV['IP_ADDRESS'];
+
+// Make some constants
+if ($_SERVER['HTTP_HOST'] == 'localhost') {
+    define('HOST', 'localhost');
+    define('USER', 'root');
+    define('PASS', $db_pass);
+    define('DB', 'poll');
+} else {
+    define('HOST', $ip_addr);
+    define('USER', 'root');
+    define('PASS', $db_pass);
+    define('DB', 'poll');
+}
+
+$poll_options = [
+    'Atom',
+    'Brackets',
+    'Eclipse',
+    'Emacs',
+    'Gedit',
+    'IntelliJ',
+    'Nano',
+    'NetBeans',
+    'NeoVim',
+    'Notepad++',
+    'Sublime',
+    'Visual Studio',
+    'Visual Studio Code',
+    'XCode',
+];
+
+if (isset($_POST['option'])) {
+    setcookie('form_submitted', 'true', time() + 3600, '/');  // Expires in 1 hour (adjust as needed)
+}
+?>
+
+<!doctype html>
+<html lang="en">
+
+<head>
+  <title>Poll</title>
+  <link href="css/styles.css" type="text/css" rel="stylesheet">
+  <script src="js/index.js" defer></script>
+</head>
+
+<body>
+  <h1>Poll</h1>
+<?php
+if (!isset($_POST['option']) && !isset($_COOKIE['form_submitted'])) {
+    echo '
+<h3>What is the best text editor or IDE?</h3>
+  <form method="post">';
+
+    foreach ($poll_options as $option) {
+        echo '
+      <div class="option">
+        <label for="' . $option . '">
+        <input type="radio" value="' . $option . '" id="' . $option . '" name="option">
+        ' . $option . '
+        </label>
+      </div>
+    ';
+    }
+
+    echo '
+    <button>Submit</button>
+  </form>';
+} else {
+    echo "<h3>Thank you! Here's the results.</h3>";
+    if ($_COOKIE['form_submitted'])
+        displayChart();
+    else
+        updateDb($_POST['option']);
+}
+?>
+</body>
+
+</html>
+<?php
+function updateDb($option)
+{
+    // Connect to the DB
+    $conn = mysqli_connect(HOST, USER, PASS, DB);
+
+    // Write a DB query
+    $sql = 'SELECT * FROM poll_results WHERE option = "' . $option . '";';
+
+    // Run DB query
+    $results = mysqli_query($conn, $sql);
+    if (mysqli_num_rows($results) == 0) {
+        $sql = "INSERT INTO poll_results (option, count) VALUES ('$option', 1)";
+        $results = mysqli_query($conn, $sql);
+    } else {
+        $sql = 'UPDATE poll_results SET count = count + 1 WHERE option = "' . $option . '";';
+        $results = mysqli_query($conn, $sql);
+    }
+
+    displayChart();
+}
+
+function displayChart()
+{
+    // Connect to the DB
+    $conn = mysqli_connect(HOST, USER, PASS, DB);
+
+    $sql = 'SELECT * FROM poll_results ORDER BY count DESC;';
+    $data = mysqli_query($conn, $sql);
+
+    $sql = 'SELECT SUM(count) AS total_count FROM poll_results;';
+    $result = mysqli_query($conn, $sql);
+    $row = mysqli_fetch_assoc($result);
+    $totalCount = $row['total_count'];
+
+    echo '<div class="chart">';
+    while ($row = mysqli_fetch_assoc($data)) {
+        $width = ($row['count'] / $totalCount) * 100;
+        $calculatedWidth = max($width, 5);
+        echo '<p class="chart-label">' . $row['option'] . '</p>';
+        echo '<div class="bar" style="width: ' . $calculatedWidth . '%"><p class="bar-label">' . ceil($width) . '%</p></div>';
+    }
+    echo '</div>';
+}
+?>