136 lines
5.4 KiB
PHP
136 lines
5.4 KiB
PHP
<?php
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session_start();
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if (!isset($_SESSION['admin_logged_in']) || $_SESSION['admin_logged_in'] !== true) {
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header('Location: login.php');
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exit;
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}
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require_once '../db/config.php';
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if (!isset($_GET['id']) || !is_numeric($_GET['id'])) {
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header('Location: challenges.php');
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exit();
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}
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$challenge_id = $_GET['id'];
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$pdo = db();
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$stmt = $pdo->prepare('SELECT * FROM challenges WHERE id = ?');
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$stmt->execute([$challenge_id]);
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$challenge = $stmt->fetch();
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if (!$challenge) {
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header('Location: challenges.php');
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exit();
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}
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$errors = [];
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if ($_SERVER['REQUEST_METHOD'] === 'POST') {
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$title = $_POST['title'] ?? '';
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$description = $_POST['description'] ?? '';
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$difficulty = $_POST['difficulty'] ?? '';
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$learning_style = $_POST['learning_style'] ?? '';
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$expected_output = $_POST['expected_output'] ?? '';
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$sample_cases_json = $_POST['sample_cases_json'] ?? '';
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if (empty($title)) {
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$errors[] = 'Title is required';
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}
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if (empty($description)) {
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$errors[] = 'Description is required';
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}
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if (empty($difficulty)) {
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$errors[] = 'Difficulty is required';
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}
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if (empty($errors)) {
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$stmt = $pdo->prepare('UPDATE challenges SET title = ?, description = ?, difficulty = ?, learning_style = ?, expected_output = ?, sample_cases_json = ? WHERE id = ?');
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if ($stmt->execute([$title, $description, $difficulty, $learning_style, $expected_output, $sample_cases_json, $challenge_id])) {
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header('Location: challenges.php?success=true');
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exit;
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} else {
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$errors[] = 'Failed to update challenge. Please try again.';
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}
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}
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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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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Edit Challenge</title>
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<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet">
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</head>
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<body>
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<nav class="navbar navbar-expand-lg navbar-light bg-light">
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<div class="container">
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<a class="navbar-brand" href="index.php">Admin Panel</a>
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<ul class="navbar-nav me-auto mb-2 mb-lg-0">
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<li class="nav-item">
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<a class="nav-link" href="challenges.php">Challenges</a>
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</li>
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<li class="nav-item">
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<a class="nav-link" href="competitions.php">Competitions</a>
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</li>
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<li class="nav-item">
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<a class="nav-link" href="users.php">Users</a>
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</li>
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</ul>
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<ul class="navbar-nav ms-auto mb-2 mb-lg-0">
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<li class="nav-item">
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<a class="nav-link" href="logout.php">Logout</a>
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</li>
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</ul>
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</div>
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</nav>
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<div class="container py-5">
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<h1 class="display-4 fw-bold">Edit Challenge</h1>
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<?php if (!empty($errors)): ?>
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<div class="alert alert-danger">
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<?php foreach ($errors as $error): ?>
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<p><?php echo $error; ?></p>
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<?php endforeach; ?>
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</div>
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<?php endif; ?>
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<form action="edit_challenge.php?id=<?php echo $challenge_id; ?>" method="post">
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<div class="mb-3">
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<label for="title" class="form-label">Title</label>
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<input type="text" class="form-control" id="title" name="title" value="<?php echo htmlspecialchars($challenge['title']); ?>" required>
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</div>
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<div class="mb-3">
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<label for="description" class="form-label">Description</label>
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<textarea class="form-control" id="description" name="description" rows="5" required><?php echo htmlspecialchars($challenge['description']); ?></textarea>
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</div>
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<div class="mb-3">
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<label for="difficulty" class="form-label">Difficulty</label>
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<select class="form-select" id="difficulty" name="difficulty" required>
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<option value="Easy" <?php echo ($challenge['difficulty'] === 'Easy') ? 'selected' : ''; ?>>Easy</option>
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<option value="Medium" <?php echo ($challenge['difficulty'] === 'Medium') ? 'selected' : ''; ?>>Medium</option>
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<option value="Hard" <?php echo ($challenge['difficulty'] === 'Hard') ? 'selected' : ''; ?>>Hard</option>
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</select>
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</div>
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<div class="mb-3">
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<label for="learning_style" class="form-label">Learning Style</label>
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<input type="text" class="form-control" id="learning_style" name="learning_style" value="<?php echo htmlspecialchars($challenge['learning_style']); ?>">
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</div>
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<div class="mb-3">
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<label for="expected_output" class="form-label">Expected Output</label>
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<textarea class="form-control" id="expected_output" name="expected_output" rows="3"><?php echo htmlspecialchars($challenge['expected_output']); ?></textarea>
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</div>
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<div class="mb-3">
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<label for="sample_cases_json" class="form-label">Sample Cases (JSON)</label>
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<textarea class="form-control" id="sample_cases_json" name="sample_cases_json" rows="5"><?php echo htmlspecialchars($challenge['sample_cases_json']); ?></textarea>
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</div>
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<button type="submit" class="btn btn-primary">Update Challenge</button>
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</form>
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</div>
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</body>
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</html>
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