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-- Generation Time: Oct 13, 2025 at 04:58 PM
-- Server version: 10.4.32-MariaDB
-- PHP Version: 8.2.12

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--
-- Database: `gex`
--

-- --------------------------------------------------------

--
-- Table structure for table `assignments`
--

CREATE TABLE `assignments` (
  `id` int(11) NOT NULL,
  `module_id` int(11) DEFAULT NULL,
  `title` varchar(255) NOT NULL,
  `description` text DEFAULT NULL,
  `due_date` date DEFAULT NULL,
  `max_score` int(11) DEFAULT 100,
  `created_at` timestamp NOT NULL DEFAULT current_timestamp()
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;

-- --------------------------------------------------------

--
-- Table structure for table `assignment_submissions`
--

CREATE TABLE `assignment_submissions` (
  `id` int(11) NOT NULL,
  `assignment_id` int(11) DEFAULT NULL,
  `user_id` int(11) DEFAULT NULL,
  `submission_text` text DEFAULT NULL,
  `submission_file` varchar(255) DEFAULT NULL,
  `score` int(11) DEFAULT NULL,
  `feedback` text DEFAULT NULL,
  `submitted_at` timestamp NOT NULL DEFAULT current_timestamp(),
  `graded_at` timestamp NULL DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;

-- --------------------------------------------------------

--
-- Table structure for table `cart`
--

CREATE TABLE `cart` (
  `id` int(11) NOT NULL,
  `user_id` int(11) DEFAULT NULL,
  `course_id` int(11) DEFAULT NULL,
  `added_at` timestamp NOT NULL DEFAULT current_timestamp()
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;

--
-- Dumping data for table `cart`
--

INSERT INTO `cart` (`id`, `user_id`, `course_id`, `added_at`) VALUES
(7, 1, 2, '2025-10-13 12:38:13');

-- --------------------------------------------------------

--
-- Table structure for table `categories`
--

CREATE TABLE `categories` (
  `id` int(11) NOT NULL,
  `name` varchar(255) NOT NULL,
  `description` text DEFAULT NULL,
  `created_at` timestamp NOT NULL DEFAULT current_timestamp()
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;

--
-- Dumping data for table `categories`
--

INSERT INTO `categories` (`id`, `name`, `description`, `created_at`) VALUES
(1, 'Web Development', 'you will learn about frontend and backendd', '2025-10-13 08:20:55'),
(2, 'Graphic Design', 'we design logos flyers', '2025-10-13 12:52:12');

-- --------------------------------------------------------

--
-- Table structure for table `certificates`
--

CREATE TABLE `certificates` (
  `id` int(11) NOT NULL,
  `user_id` int(11) DEFAULT NULL,
  `course_id` int(11) DEFAULT NULL,
  `certificate_url` varchar(255) DEFAULT NULL,
  `issued_at` timestamp NOT NULL DEFAULT current_timestamp()
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;

-- --------------------------------------------------------

--
-- Table structure for table `courses`
--

CREATE TABLE `courses` (
  `id` int(11) NOT NULL,
  `title` varchar(255) NOT NULL,
  `description` text DEFAULT NULL,
  `category_id` int(11) DEFAULT NULL,
  `instructor_id` int(11) DEFAULT NULL,
  `old_price` decimal(10,2) DEFAULT NULL,
  `current_price` decimal(10,2) DEFAULT NULL,
  `image` varchar(255) DEFAULT NULL,
  `content` text DEFAULT NULL,
  `is_popular` tinyint(1) DEFAULT 0,
  `created_at` timestamp NOT NULL DEFAULT current_timestamp()
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;

--
-- Dumping data for table `courses`
--

INSERT INTO `courses` (`id`, `title`, `description`, `category_id`, `instructor_id`, `old_price`, `current_price`, `image`, `content`, `is_popular`, `created_at`) VALUES
(1, 'ttt', 'fhhgh', 1, 1, 67.00, 55.00, 'Screenshot 2025-10-04 160231.png', '5trttttt', 1, '2025-10-13 08:23:35'),
(2, 'php', 'hjj', 1, 1, 66.00, 44.00, 'Screenshot 2025-10-04 161607.png', 'kolo', 1, '2025-10-13 08:52:07'),
(4, 'data science', 'hello', 1, 1, 66.00, 22.00, 'test.png', 'this is about data science', 0, '2025-10-13 11:14:33'),
(5, 'machine learning', 'this is machine learning', 1, 1, 33.00, 2.00, 'test.png', '2e', 1, '2025-10-13 11:15:42');

-- --------------------------------------------------------

--
-- Table structure for table `course_modules`
--

CREATE TABLE `course_modules` (
  `id` int(11) NOT NULL,
  `course_id` int(11) DEFAULT NULL,
  `title` varchar(255) NOT NULL,
  `description` text DEFAULT NULL,
  `content_type` enum('video','article','quiz','assignment') DEFAULT 'video',
  `content_url` varchar(500) DEFAULT NULL,
  `duration` int(11) DEFAULT NULL,
  `sort_order` int(11) DEFAULT 0,
  `is_free` tinyint(1) DEFAULT 0,
  `created_at` timestamp NOT NULL DEFAULT current_timestamp()
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;

-- --------------------------------------------------------

--
-- Table structure for table `enrollments`
--

CREATE TABLE `enrollments` (
  `id` int(11) NOT NULL,
  `user_id` int(11) DEFAULT NULL,
  `course_id` int(11) DEFAULT NULL,
  `progress` int(11) DEFAULT 0,
  `enrolled_at` timestamp NOT NULL DEFAULT current_timestamp()
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;

-- --------------------------------------------------------

--
-- Table structure for table `instructors`
--

CREATE TABLE `instructors` (
  `id` int(11) NOT NULL,
  `name` varchar(255) NOT NULL,
  `email` varchar(255) NOT NULL,
  `bio` text DEFAULT NULL,
  `expertise` text DEFAULT NULL,
  `image` varchar(255) DEFAULT NULL,
  `created_at` timestamp NOT NULL DEFAULT current_timestamp()
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;

--
-- Dumping data for table `instructors`
--

INSERT INTO `instructors` (`id`, `name`, `email`, `bio`, `expertise`, `image`, `created_at`) VALUES
(1, 'partel', 'parteltech@gmail.com', 'huudsdsd', 'web developer', 'Screenshot 2025-10-04 161107.png', '2025-10-13 08:22:52'),
(2, 'ondimu', 'ondimu@gmail.com', 'moringa graduate', 'machine learning', 'test.png', '2025-10-13 11:45:16');

-- --------------------------------------------------------

--
-- Table structure for table `student_progress`
--

CREATE TABLE `student_progress` (
  `id` int(11) NOT NULL,
  `user_id` int(11) DEFAULT NULL,
  `module_id` int(11) DEFAULT NULL,
  `course_id` int(11) DEFAULT NULL,
  `progress_percentage` int(11) DEFAULT 0,
  `time_spent` int(11) DEFAULT 0,
  `is_completed` tinyint(1) DEFAULT 0,
  `completed_at` timestamp NULL DEFAULT NULL,
  `last_accessed` timestamp NOT NULL DEFAULT current_timestamp()
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;

-- --------------------------------------------------------

--
-- Table structure for table `testimonials`
--

CREATE TABLE `testimonials` (
  `id` int(11) NOT NULL,
  `user_name` varchar(255) NOT NULL,
  `content` text NOT NULL,
  `rating` int(11) DEFAULT NULL,
  `created_at` timestamp NOT NULL DEFAULT current_timestamp()
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;

--
-- Dumping data for table `testimonials`
--

INSERT INTO `testimonials` (`id`, `user_name`, `content`, `rating`, `created_at`) VALUES
(1, 'partel', 'nice course', 3, '2025-10-13 08:30:02'),
(2, 'JOHN OSIEMO ONDIMU', 'dd', 4, '2025-10-13 09:45:55');

-- --------------------------------------------------------

--
-- Table structure for table `users`
--

CREATE TABLE `users` (
  `id` int(11) NOT NULL,
  `name` varchar(255) NOT NULL,
  `email` varchar(255) NOT NULL,
  `password` varchar(255) NOT NULL,
  `role` enum('admin','student') DEFAULT 'student',
  `created_at` timestamp NOT NULL DEFAULT current_timestamp()
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;

--
-- Dumping data for table `users`
--

INSERT INTO `users` (`id`, `name`, `email`, `password`, `role`, `created_at`) VALUES
(1, 'JOHN OSIEMO ONDIMU', 'johnondimu006@gmail.com', '$2y$10$lDfb9it/84B5WW3JWfNxIOGwKAm9QpJi1c2UNBarHsu.Wb4RZjfBa', 'admin', '2025-10-13 08:13:47'),
(2, 'partel', 'parteltech@gmail.com', '$2y$10$fkIEQLwI.aBP.eAtXN6.ReoxoFcAbD.Ywy.s/SbfFVriiesDfTm7y', 'student', '2025-10-13 08:28:28'),
(3, 'Geofrey', 'gef@gmail.com', '$2y$10$Kz2eN/O5sn0PMPz1N7sdX.jBj0e0L.qXbQpJ80jMbJIIjTv8hk9ji', 'student', '2025-10-13 10:00:38');

--
-- Indexes for dumped tables
--

--
-- Indexes for table `assignments`
--
ALTER TABLE `assignments`
  ADD PRIMARY KEY (`id`),
  ADD KEY `module_id` (`module_id`);

--
-- Indexes for table `assignment_submissions`
--
ALTER TABLE `assignment_submissions`
  ADD PRIMARY KEY (`id`),
  ADD KEY `assignment_id` (`assignment_id`),
  ADD KEY `user_id` (`user_id`);

--
-- Indexes for table `cart`
--
ALTER TABLE `cart`
  ADD PRIMARY KEY (`id`),
  ADD KEY `user_id` (`user_id`),
  ADD KEY `course_id` (`course_id`);

--
-- Indexes for table `categories`
--
ALTER TABLE `categories`
  ADD PRIMARY KEY (`id`);

--
-- Indexes for table `certificates`
--
ALTER TABLE `certificates`
  ADD PRIMARY KEY (`id`),
  ADD KEY `user_id` (`user_id`),
  ADD KEY `course_id` (`course_id`);

--
-- Indexes for table `courses`
--
ALTER TABLE `courses`
  ADD PRIMARY KEY (`id`),
  ADD KEY `category_id` (`category_id`),
  ADD KEY `instructor_id` (`instructor_id`);

--
-- Indexes for table `course_modules`
--
ALTER TABLE `course_modules`
  ADD PRIMARY KEY (`id`),
  ADD KEY `course_id` (`course_id`);

--
-- Indexes for table `enrollments`
--
ALTER TABLE `enrollments`
  ADD PRIMARY KEY (`id`),
  ADD KEY `user_id` (`user_id`),
  ADD KEY `course_id` (`course_id`);

--
-- Indexes for table `instructors`
--
ALTER TABLE `instructors`
  ADD PRIMARY KEY (`id`);

--
-- Indexes for table `student_progress`
--
ALTER TABLE `student_progress`
  ADD PRIMARY KEY (`id`),
  ADD KEY `user_id` (`user_id`),
  ADD KEY `module_id` (`module_id`),
  ADD KEY `course_id` (`course_id`);

--
-- Indexes for table `testimonials`
--
ALTER TABLE `testimonials`
  ADD PRIMARY KEY (`id`);

--
-- Indexes for table `users`
--
ALTER TABLE `users`
  ADD PRIMARY KEY (`id`),
  ADD UNIQUE KEY `email` (`email`);

--
-- AUTO_INCREMENT for dumped tables
--

--
-- AUTO_INCREMENT for table `assignments`
--
ALTER TABLE `assignments`
  MODIFY `id` int(11) NOT NULL AUTO_INCREMENT;

--
-- AUTO_INCREMENT for table `assignment_submissions`
--
ALTER TABLE `assignment_submissions`
  MODIFY `id` int(11) NOT NULL AUTO_INCREMENT;

--
-- AUTO_INCREMENT for table `cart`
--
ALTER TABLE `cart`
  MODIFY `id` int(11) NOT NULL AUTO_INCREMENT, AUTO_INCREMENT=8;

--
-- AUTO_INCREMENT for table `categories`
--
ALTER TABLE `categories`
  MODIFY `id` int(11) NOT NULL AUTO_INCREMENT, AUTO_INCREMENT=3;

--
-- AUTO_INCREMENT for table `certificates`
--
ALTER TABLE `certificates`
  MODIFY `id` int(11) NOT NULL AUTO_INCREMENT;

--
-- AUTO_INCREMENT for table `courses`
--
ALTER TABLE `courses`
  MODIFY `id` int(11) NOT NULL AUTO_INCREMENT, AUTO_INCREMENT=6;

--
-- AUTO_INCREMENT for table `course_modules`
--
ALTER TABLE `course_modules`
  MODIFY `id` int(11) NOT NULL AUTO_INCREMENT;

--
-- AUTO_INCREMENT for table `enrollments`
--
ALTER TABLE `enrollments`
  MODIFY `id` int(11) NOT NULL AUTO_INCREMENT;

--
-- AUTO_INCREMENT for table `instructors`
--
ALTER TABLE `instructors`
  MODIFY `id` int(11) NOT NULL AUTO_INCREMENT, AUTO_INCREMENT=3;

--
-- AUTO_INCREMENT for table `student_progress`
--
ALTER TABLE `student_progress`
  MODIFY `id` int(11) NOT NULL AUTO_INCREMENT;

--
-- AUTO_INCREMENT for table `testimonials`
--
ALTER TABLE `testimonials`
  MODIFY `id` int(11) NOT NULL AUTO_INCREMENT, AUTO_INCREMENT=3;

--
-- AUTO_INCREMENT for table `users`
--
ALTER TABLE `users`
  MODIFY `id` int(11) NOT NULL AUTO_INCREMENT, AUTO_INCREMENT=4;

--
-- Constraints for dumped tables
--

--
-- Constraints for table `assignments`
--
ALTER TABLE `assignments`
  ADD CONSTRAINT `assignments_ibfk_1` FOREIGN KEY (`module_id`) REFERENCES `course_modules` (`id`) ON DELETE CASCADE;

--
-- Constraints for table `assignment_submissions`
--
ALTER TABLE `assignment_submissions`
  ADD CONSTRAINT `assignment_submissions_ibfk_1` FOREIGN KEY (`assignment_id`) REFERENCES `assignments` (`id`) ON DELETE CASCADE,
  ADD CONSTRAINT `assignment_submissions_ibfk_2` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`) ON DELETE CASCADE;

--
-- Constraints for table `cart`
--
ALTER TABLE `cart`
  ADD CONSTRAINT `cart_ibfk_1` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`),
  ADD CONSTRAINT `cart_ibfk_2` FOREIGN KEY (`course_id`) REFERENCES `courses` (`id`);

--
-- Constraints for table `certificates`
--
ALTER TABLE `certificates`
  ADD CONSTRAINT `certificates_ibfk_1` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`) ON DELETE CASCADE,
  ADD CONSTRAINT `certificates_ibfk_2` FOREIGN KEY (`course_id`) REFERENCES `courses` (`id`) ON DELETE CASCADE;

--
-- Constraints for table `courses`
--
ALTER TABLE `courses`
  ADD CONSTRAINT `courses_ibfk_1` FOREIGN KEY (`category_id`) REFERENCES `categories` (`id`),
  ADD CONSTRAINT `courses_ibfk_2` FOREIGN KEY (`instructor_id`) REFERENCES `instructors` (`id`);

--
-- Constraints for table `course_modules`
--
ALTER TABLE `course_modules`
  ADD CONSTRAINT `course_modules_ibfk_1` FOREIGN KEY (`course_id`) REFERENCES `courses` (`id`) ON DELETE CASCADE;

--
-- Constraints for table `enrollments`
--
ALTER TABLE `enrollments`
  ADD CONSTRAINT `enrollments_ibfk_1` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`),
  ADD CONSTRAINT `enrollments_ibfk_2` FOREIGN KEY (`course_id`) REFERENCES `courses` (`id`);

--
-- Constraints for table `student_progress`
--
ALTER TABLE `student_progress`
  ADD CONSTRAINT `student_progress_ibfk_1` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`) ON DELETE CASCADE,
  ADD CONSTRAINT `student_progress_ibfk_2` FOREIGN KEY (`module_id`) REFERENCES `course_modules` (`id`) ON DELETE CASCADE,
  ADD CONSTRAINT `student_progress_ibfk_3` FOREIGN KEY (`course_id`) REFERENCES `courses` (`id`) ON DELETE CASCADE;
COMMIT;

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