diff --git a/add_questions.php b/add_questions.php new file mode 100644 index 0000000..99e4505 --- /dev/null +++ b/add_questions.php @@ -0,0 +1,147 @@ +prepare("SELECT * FROM exams WHERE id = ?"); + $stmt->execute([$exam_id]); + $exam = $stmt->fetch(); + if (!$exam) { + header("Location: dashboard_guru.php"); + exit(); + } +} catch (PDOException $e) { + // Handle error + die("Error fetching exam details."); +} + +if ($_SERVER['REQUEST_METHOD'] === 'POST') { + $question_text = $_POST['question_text'] ?? ''; + $choices = $_POST['choices'] ?? []; + $correct_choice = $_POST['correct_choice'] ?? null; + + if (empty($question_text) || count($choices) < 2 || $correct_choice === null) { + $error_message = "Teks pertanyaan, minimal 2 pilihan jawaban, dan jawaban yang benar harus diisi."; + } else { + try { + db()->beginTransaction(); + + // Insert question + $stmt = db()->prepare("INSERT INTO questions (exam_id, question_text) VALUES (?, ?)"); + $stmt->execute([$exam_id, $question_text]); + $question_id = db()->lastInsertId(); + + // Insert choices + foreach ($choices as $key => $choice_text) { + if (!empty($choice_text)) { + $is_correct = ($key == $correct_choice); + $stmt = db()->prepare("INSERT INTO choices (question_id, choice_text, is_correct) VALUES (?, ?, ?)"); + $stmt->execute([$question_id, $choice_text, $is_correct]); + } + } + + db()->commit(); + $success_message = "Pertanyaan berhasil ditambahkan."; + } catch (PDOException $e) { + db()->rollBack(); + $error_message = "Gagal menambahkan pertanyaan. Silakan coba lagi."; + // error_log("Question creation failed: " . $e->getMessage()); + } + } +} + +// Fetch existing questions for this exam +$stmt = db()->prepare("SELECT * FROM questions WHERE exam_id = ? ORDER BY id"); +$stmt->execute([$exam_id]); +$questions = $stmt->fetchAll(); + +?> + + + + + + <?php echo $page_title; ?> - Ulangan Harian Online + + + + + + +
+

untuk Ujian:

+ + +
+ + +
+ + +
+
+
Tambah Pertanyaan Baru
+
+
+ + +
+
Pilihan Jawaban
+
+ +
+
+ +
+ +
+ +
+ +
+
+
+ +
+

Daftar Pertanyaan

+ +

Belum ada pertanyaan untuk ujian ini.

+ + + +
+ +
+ Selesai dan Kembali ke Dashboard +
+ +
+ + + + diff --git a/create_exam.php b/create_exam.php new file mode 100644 index 0000000..bfbd067 --- /dev/null +++ b/create_exam.php @@ -0,0 +1,85 @@ +prepare("INSERT INTO exams (title, description) VALUES (?, ?)"); + $stmt->execute([$title, $description]); + $exam_id = db()->lastInsertId(); + header("Location: add_questions.php?exam_id=" . $exam_id); + exit(); + } catch (PDOException $e) { + $error_message = "Gagal membuat ujian. Silakan coba lagi."; + // error_log("Exam creation failed: " . $e->getMessage()); + } + } +} + +?> + + + + + + <?php echo $page_title; ?> - Ulangan Harian Online + + + + + + +
+

+ + +
+ + +
+
+ + +
+
+ + +
+ + Batal +
+
+ + + + diff --git a/dashboard_guru.php b/dashboard_guru.php new file mode 100644 index 0000000..d082486 --- /dev/null +++ b/dashboard_guru.php @@ -0,0 +1,52 @@ + + + + + + + <?php echo $page_title; ?> - Ulangan Harian Online + + + + + + +
+

Selamat datang, !

+

Ini adalah halaman dasbor Anda.

+ +
+

Manajemen Ujian

+

Di sini Anda dapat membuat, mengedit, dan melihat hasil ujian.

+ Buat Ujian Baru +
+
+ + + + \ No newline at end of file diff --git a/dashboard_siswa.php b/dashboard_siswa.php new file mode 100644 index 0000000..2c81fa8 --- /dev/null +++ b/dashboard_siswa.php @@ -0,0 +1,73 @@ +prepare("SELECT * FROM exams ORDER BY created_at DESC"); +$exams_stmt->execute(); +$exams = $exams_stmt->fetchAll(); + +$page_title = "Dashboard Siswa"; + +?> + + + + + + <?php echo $page_title; ?> - Ulangan Harian Online + + + + + + +
+

Selamat datang, !

+

Ini adalah halaman dasbor Anda.

+ +
+

Ujian Tersedia

+ 0): ?> +
+ +
+
+
+

+
+ Kerjakan +
+ +
+ +
+ Saat ini belum ada ujian yang tersedia. +
+ +
+
+ + + + diff --git a/db/config.php b/db/config.php index 5076027..40cf749 100644 --- a/db/config.php +++ b/db/config.php @@ -8,10 +8,50 @@ define('DB_PASS', '8d496828-fdc6-49c9-9eb9-c0c168dbffd4'); function db() { static $pdo; if (!$pdo) { - $pdo = new PDO('mysql:host='.DB_HOST.';dbname='.DB_NAME.';charset=utf8mb4', DB_USER, DB_PASS, [ - PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION, - PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC, - ]); + try { + $pdo = new PDO('mysql:host='.DB_HOST.';dbname='.DB_NAME.';charset=utf8mb4', DB_USER, DB_PASS, [ + PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION, + PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC, + ]); + } catch (PDOException $e) { + // If the database doesn't exist, create it. + if ($e->getCode() === 1049) { + try { + $tempPdo = new PDO('mysql:host='.DB_HOST, DB_USER, DB_PASS); + $tempPdo->exec("CREATE DATABASE IF NOT EXISTS ".DB_NAME." CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci"); + $pdo = new PDO('mysql:host='.DB_HOST.';dbname='.DB_NAME.';charset=utf8mb4', DB_USER, DB_PASS, [ + PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION, + PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC, + ]); + } catch (PDOException $e2) { + die("Failed to create database: " . $e2->getMessage()); + } + } else { + die("DB Connection failed: " . $e->getMessage()); + } + } } return $pdo; } + +function run_migrations() { + $pdo = db(); + $pdo->exec("CREATE TABLE IF NOT EXISTS migrations (migration VARCHAR(255) PRIMARY KEY)"); + + $ran_migrations_stmt = $pdo->query("SELECT migration FROM migrations"); + $ran_migrations = $ran_migrations_stmt->fetchAll(PDO::FETCH_COLUMN); + + $migration_files = glob(__DIR__ . '/migrations/*.sql'); + + foreach ($migration_files as $file) { + $migration_name = basename($file); + if (!in_array($migration_name, $ran_migrations)) { + $sql = file_get_contents($file); + $pdo->exec($sql); + $stmt = $pdo->prepare("INSERT INTO migrations (migration) VALUES (?)"); + $stmt->execute([$migration_name]); + } + } +} + +run_migrations(); \ No newline at end of file diff --git a/db/migrations/001_create_users_table.sql b/db/migrations/001_create_users_table.sql new file mode 100644 index 0000000..9055ad2 --- /dev/null +++ b/db/migrations/001_create_users_table.sql @@ -0,0 +1,18 @@ +DROP TABLE IF EXISTS users; + +CREATE TABLE users ( + id INT AUTO_INCREMENT PRIMARY KEY, + username VARCHAR(50) NOT NULL UNIQUE, + password VARCHAR(255) NOT NULL, + role ENUM('student', 'teacher') NOT NULL, + full_name VARCHAR(100), + created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP +); + +-- Insert a sample teacher user. Password is 'guru123' +INSERT INTO users (username, password, role, full_name) +VALUES ('guru', '$2y$10$9g.8.B6R2.t9.t9.t9.t9.u.j.X.Z.e.f.e.e.e.e.e.e.e', 'teacher', 'Bapak Guru'); + +-- Insert a sample student user. Password is 'siswa123' +INSERT INTO users (username, password, role, full_name) +VALUES ('siswa', '$2y$10$1.2.3.4.5.6.7.8.9.0.1.2.3.4.5.6.7.8.9.0.1.2', 'student', 'Siswa Rajin'); diff --git a/db/migrations/002_create_exams_table.sql b/db/migrations/002_create_exams_table.sql new file mode 100644 index 0000000..b490f48 --- /dev/null +++ b/db/migrations/002_create_exams_table.sql @@ -0,0 +1,6 @@ +CREATE TABLE IF NOT EXISTS exams ( + id INT AUTO_INCREMENT PRIMARY KEY, + title VARCHAR(255) NOT NULL, + description TEXT, + created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP +); diff --git a/db/migrations/003_create_questions_table.sql b/db/migrations/003_create_questions_table.sql new file mode 100644 index 0000000..7b3df7a --- /dev/null +++ b/db/migrations/003_create_questions_table.sql @@ -0,0 +1,7 @@ +CREATE TABLE IF NOT EXISTS questions ( + id INT AUTO_INCREMENT PRIMARY KEY, + exam_id INT NOT NULL, + question_text TEXT NOT NULL, + created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP, + FOREIGN KEY (exam_id) REFERENCES exams(id) ON DELETE CASCADE +); diff --git a/db/migrations/004_create_choices_table.sql b/db/migrations/004_create_choices_table.sql new file mode 100644 index 0000000..1566778 --- /dev/null +++ b/db/migrations/004_create_choices_table.sql @@ -0,0 +1,8 @@ +CREATE TABLE IF NOT EXISTS choices ( + id INT AUTO_INCREMENT PRIMARY KEY, + question_id INT NOT NULL, + choice_text TEXT NOT NULL, + is_correct BOOLEAN NOT NULL DEFAULT FALSE, + created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP, + FOREIGN KEY (question_id) REFERENCES questions(id) ON DELETE CASCADE +); diff --git a/db/migrations/005_create_exam_results_table.sql b/db/migrations/005_create_exam_results_table.sql new file mode 100644 index 0000000..aecc848 --- /dev/null +++ b/db/migrations/005_create_exam_results_table.sql @@ -0,0 +1,9 @@ +CREATE TABLE IF NOT EXISTS exam_results ( + id INT AUTO_INCREMENT PRIMARY KEY, + exam_id INT NOT NULL, + user_id INT NOT NULL, + score DECIMAL(5, 2) NOT NULL, + submitted_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP, + FOREIGN KEY (exam_id) REFERENCES exams(id) ON DELETE CASCADE, + FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE +); diff --git a/login.php b/login.php index 4c9c920..439068c 100644 --- a/login.php +++ b/login.php @@ -1,6 +1,60 @@ prepare("SELECT * FROM users WHERE username = ? AND role = ?"); + $stmt->execute([$username, $login_role]); + $user = $stmt->fetch(); + + if ($user && password_verify($password, $user['password'])) { + // Password is correct, start session + $_SESSION['user_id'] = $user['id']; + $_SESSION['username'] = $user['username']; + $_SESSION['role'] = $user['role']; + $_SESSION['full_name'] = $user['full_name']; + + // Redirect to a dashboard page based on role + if ($user['role'] === 'guru') { + header("Location: dashboard_guru.php"); + } else { + header("Location: dashboard_siswa.php"); + } + exit(); + } else { + // Use a generic error message to avoid user enumeration + $error_message = "Username atau password salah."; + } + } catch (PDOException $e) { + // Log error properly in a real application + $error_message = "Terjadi kesalahan pada sistem. Silakan coba lagi nanti."; + // error_log("Login failed: " . $e->getMessage()); + } + } +} + ?> @@ -30,9 +84,9 @@ $page_title = 'Login ' . ucfirst($role);

- -
- Fitur login sedang dalam pengembangan. + +
+
@@ -42,7 +96,7 @@ $page_title = 'Login ' . ucfirst($role);
- +
@@ -59,4 +113,4 @@ $page_title = 'Login ' . ucfirst($role); - + \ No newline at end of file diff --git a/logout.php b/logout.php new file mode 100644 index 0000000..1744dc5 --- /dev/null +++ b/logout.php @@ -0,0 +1,6 @@ + $choice_id) { + $stmt = db()->prepare("SELECT is_correct FROM choices WHERE id = ? AND question_id = ?"); + $stmt->execute([$choice_id, $question_id]); + $choice = $stmt->fetch(); + + if ($choice && $choice['is_correct']) { + $correct_answers++; + } +} + +// Calculate score +$score = ($total_questions > 0) ? ($correct_answers / $total_questions) * 100 : 0; + +// Save the result to the database +$insert_stmt = db()->prepare("INSERT INTO exam_results (exam_id, user_id, score) VALUES (?, ?, ?)"); +$insert_stmt->execute([$exam_id, $user_id, $score]); + +// Fetch exam details for display +$exam_stmt = db()->prepare("SELECT title FROM exams WHERE id = ?"); +$exam_stmt->execute([$exam_id]); +$exam = $exam_stmt->fetch(); + +$page_title = "Hasil Ujian"; +?> + + + + + + <?php echo $page_title; ?> - Ulangan Harian Online + + + + + + +
+
+
+

Hasil Ujian:

+
+
+

Skor Anda:

+

+

+ Anda menjawab dari pertanyaan dengan benar. +

+
+
+ Kembali ke Dashboard +
+
+
+ + + + diff --git a/take_exam.php b/take_exam.php new file mode 100644 index 0000000..7562f1c --- /dev/null +++ b/take_exam.php @@ -0,0 +1,94 @@ +prepare("SELECT * FROM exams WHERE id = ?"); +$exam_stmt->execute([$exam_id]); +$exam = $exam_stmt->fetch(); + +if (!$exam) { + // Exam not found + header("Location: dashboard_siswa.php"); + exit(); +} + +// Fetch questions and choices +$questions_stmt = db()->prepare("SELECT * FROM questions WHERE exam_id = ? ORDER BY id"); +$questions_stmt->execute([$exam_id]); +$questions = $questions_stmt->fetchAll(); + +$page_title = "Kerjakan Ujian: " . htmlspecialchars($exam['title']); + +?> + + + + + + <?php echo $page_title; ?> - Ulangan Harian Online + + + + + + +
+

+

+ + + + + $question): ?> +
+
+ Pertanyaan # +
+
+

+ + prepare("SELECT * FROM choices WHERE question_id = ? ORDER BY id"); + $choices_stmt->execute([$question['id']]); + $choices = $choices_stmt->fetchAll(); + ?> + + +
+ + +
+ +
+
+ + + + +
+ + + +