36629-vm/create_test.php

<?php
ini_set('display_errors', 1);
error_reporting(E_ALL);

require_once 'db/config.php';
require_once 'includes/header.php';

// Block access if not logged in or not a psychologist
if (!isset($_SESSION["user_id"]) || !isset($_SESSION["role"]) || $_SESSION["role"] !== 'psychologist') {
    header("Location: login.php");
    exit();
}

$message = '';
$error = '';

if ($_SERVER["REQUEST_METHOD"] == "POST") {
    $title = trim($_POST['title'] ?? '');
    $description = trim($_POST['description'] ?? '');
    $is_public = isset($_POST['is_public']) ? 1 : 0;
    $questions = $_POST['questions'] ?? [];
    $user_id = $_SESSION['user_id'];

    if (empty($title) || empty($description) || empty($questions)) {
        $error = "Please fill out the title, description, and add at least one question.";
    } else {
        $pdo = db();
        if ($pdo) {
            try {
                $pdo->beginTransaction();

                // Insert test
                $stmt = $pdo->prepare("INSERT INTO tests (user_id, title, description, is_public) VALUES (?, ?, ?, ?)");
                $stmt->execute([$user_id, $title, $description, $is_public]);
                $test_id = $pdo->lastInsertId();

                // Insert questions and options
                foreach ($questions as $q_data) {
                    $question_text = trim($q_data['text'] ?? '');
                    if (empty($question_text)) continue;

                    $stmt = $pdo->prepare("INSERT INTO questions (test_id, question_text) VALUES (?, ?)");
                    $stmt->execute([$test_id, $question_text]);
                    $question_id = $pdo->lastInsertId();

                    $options = $q_data['options'] ?? [];
                    $correct_option_index = isset($q_data['correct']) ? intval($q_data['correct']) : -1;

                    foreach ($options as $index => $option_text) {
                        $option_text = trim($option_text);
                        if(empty($option_text)) continue;
                        
                        $is_correct = ($index === $correct_option_index);
                        $stmt = $pdo->prepare("INSERT INTO options (question_id, option_text, is_correct) VALUES (?, ?, ?)");
                        $stmt->execute([$question_id, $option_text, $is_correct]);
                    }
                }

                $pdo->commit();
                $message = "Test created successfully!";
            } catch (PDOException $e) {
                $pdo->rollBack();
                $error = "Database error: " . $e->getMessage();
            }
        } else {
            $error = "Could not connect to the database.";
        }
    }
}
?>

<main class="container py-5">
    <div class="row justify-content-center">
        <div class="col-md-8">
            <h2 class="mb-4">Create a New Test</h2>

            <?php if ($message): ?>
                <div class="alert alert-success"><?php echo $message; ?></div>
            <?php endif; ?>
            <?php if ($error): ?>
                <div class="alert alert-danger"><?php echo $error; ?></div>
            <?php endif; ?>

            <form action="create_test.php" method="POST" id="create-test-form">
                <div class="mb-3">
                    <label for="title" class="form-label">Test Title</label>
                    <input type="text" class="form-control" id="title" name="title" required>
                </div>
                <div class="mb-3">
                    <label for="description" class="form-label">Description</label>
                    <textarea class="form-control" id="description" name="description" rows="3" required></textarea>
                </div>
                <div class="mb-3 form-check">
                    <input type="checkbox" class="form-check-input" id="is_public" name="is_public" value="1" checked>
                    <label class="form-check-label" for="is_public">Make this test public</label>
                </div>

                <hr class="my-4">

                <h4>Questions</h4>
                <div id="questions-container">
                    <!-- Questions will be added here dynamically -->
                </div>
                <button type="button" class="btn btn-secondary mt-2" id="add-question">Add Question</button>

                <hr class="my-4">

                <button type="submit" class="btn btn-primary">Create Test</button>
            </form>
        </div>
    </div>
</main>

<script>
document.addEventListener('DOMContentLoaded', function () {
    const questionsContainer = document.getElementById('questions-container');
    const addQuestionBtn = document.getElementById('add-question');
    let questionCounter = 0;

    addQuestionBtn.addEventListener('click', function () {
        questionCounter++;
        const questionId = `q_${questionCounter}`;

        const questionBlock = document.createElement('div');
        questionBlock.className = 'question-block border p-3 mb-3';
        questionBlock.innerHTML = `
            <div class="mb-2">
                <label for="${questionId}_text" class="form-label fw-bold">Question ${questionCounter}</label>
                <input type="text" class="form-control" id="${questionId}_text" name="questions[${questionCounter}][text]" required>
            </div>
            <div class="options-container ms-3">
                <label class="form-label">Options</label>
                <!-- Options will be added here -->
            </div>
            <button type="button" class="btn btn-sm btn-outline-secondary ms-3 mt-2 add-option-btn">Add Option</button>
        `;
        questionsContainer.appendChild(questionBlock);
    });

    questionsContainer.addEventListener('click', function(e) {
        if (e.target && e.target.classList.contains('add-option-btn')) {
            const questionBlock = e.target.closest('.question-block');
            const questionIndex = Array.from(questionsContainer.children).indexOf(questionBlock);
            const optionsContainer = questionBlock.querySelector('.options-container');
            const optionCounter = optionsContainer.querySelectorAll('.input-group').length;

            const optionBlock = document.createElement('div');
            optionBlock.className = 'input-group input-group-sm mb-2';
            optionBlock.innerHTML = `
                <div class="input-group-text">
                    <input class="form-check-input mt-0" type="radio" value="${optionCounter}" name="questions[${questionIndex + 1}][correct]" required>
                </div>
                <input type="text" class="form-control" name="questions[${questionIndex + 1}][options][]" required>
            `;
            optionsContainer.appendChild(optionBlock);
        }
    });
});
</script>

<?php require_once 'includes/footer.php'; // Assuming you might have a footer ?>
</body>
</html>