<?php
// Start session if not already started
if (session_status() === PHP_SESSION_INACTIVE) {
session_start();
}
// Check if user is logged in and is admin
if (!isset($_SESSION['user_id']) || ($_SESSION['role'] !== 'admin' && $_SESSION['role'] !== 'director')) {
$_SESSION['error_message'] = "Access denied. You must be logged in as an administrator.";
header('Location: ../login.php');
exit;
}
// Include database configuration
require_once 'db_config.php';
// Initialize messages array
$messages = [
'success' => [],
'error' => [],
'info' => []
];
/**
* Check if a column exists in a table and add it if it doesn't
*
* @param mysqli $conn Database connection
* @param string $table Table name
* @param string $column Column name
* @param string $definition Column definition (e.g., "VARCHAR(255) DEFAULT NULL")
* @return bool True if column exists or was added successfully, false otherwise
*/
function check_and_add_column($conn, $table, $column, $definition) {
global $messages;
// Check if table exists
$table_check = $conn->query("SHOW TABLES LIKE '$table'");
if ($table_check->num_rows === 0) {
$messages['info'][] = "Table '$table' does not exist in the database.";
return false;
}
// Check if column exists
$column_check = $conn->query("SHOW COLUMNS FROM `$table` LIKE '$column'");
if ($column_check->num_rows > 0) {
$messages['info'][] = "Column '$column' already exists in table '$table'.";
return true;
}
// Add column if it doesn't exist
$add_column = $conn->query("ALTER TABLE `$table` ADD COLUMN `$column` $definition");
if ($add_column) {
$messages['success'][] = "Successfully added column '$column' to table '$table'.";
return true;
} else {
$messages['error'][] = "Failed to add column '$column' to table '$table': " . $conn->error;
return false;
}
}
// Page title
$page_title = "Database Fix - Missing Columns";
// Set a page header that doesn't rely on including other files
echo '<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>' . $page_title . '</title>
<link href="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css" rel="stylesheet">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.0.0/css/all.min.css">
<style>
body { padding-top: 20px; }
.message-box { margin-bottom: 20px; }
.fix-item { margin-bottom: 15px; padding: 15px; border-radius: 5px; background-color: #f8f9fa; }
.fix-item h5 { margin-top: 0; }
.fix-status { margin-top: 10px; }
.success-box { background-color: #d4edda; border-left: 5px solid #28a745; }
.error-box { background-color: #f8d7da; border-left: 5px solid #dc3545; }
.info-box { background-color: #d1ecf1; border-left: 5px solid #17a2b8; }
.navigation { margin-top: 30px; }
</style>
</head>
<body>
<div class="container">
<h1>' . $page_title . '</h1>
<p class="lead">This script will check for and fix missing columns in your database tables.</p>';
// 1. Check 'designation' column in 'users' table
echo '<div class="fix-item">
<h5><i class="fas fa-database"></i> Checking \'designation\' column in \'users\' table</h5>';
$users_table_exists = $conn->query("SHOW TABLES LIKE 'users'")->num_rows > 0;
if ($users_table_exists) {
check_and_add_column($conn, 'users', 'designation', 'VARCHAR(255) DEFAULT NULL');
// Also check for other instructor-specific columns
check_and_add_column($conn, 'users', 'expertise', 'TEXT DEFAULT NULL');
check_and_add_column($conn, 'users', 'social_links', 'TEXT DEFAULT NULL');
} else {
$messages['error'][] = "Users table does not exist in the database.";
}
echo '<div class="fix-status">';
if (!empty($messages['success'])) {
foreach ($messages['success'] as $success_message) {
echo '<div class="alert alert-success"><i class="fas fa-check-circle"></i> ' . $success_message . '</div>';
}
}
if (!empty($messages['error'])) {
foreach ($messages['error'] as $error_message) {
echo '<div class="alert alert-danger"><i class="fas fa-exclamation-circle"></i> ' . $error_message . '</div>';
}
}
if (!empty($messages['info'])) {
foreach ($messages['info'] as $info_message) {
echo '<div class="alert alert-info"><i class="fas fa-info-circle"></i> ' . $info_message . '</div>';
}
}
echo '</div></div>';
// Reset messages for next check
$messages = [
'success' => [],
'error' => [],
'info' => []
];
// 2. Check 'rating' column in 'testimonials' table
echo '<div class="fix-item">
<h5><i class="fas fa-database"></i> Checking \'rating\' column in \'testimonials\' table</h5>';
$testimonials_table_exists = $conn->query("SHOW TABLES LIKE 'testimonials'")->num_rows > 0;
if ($testimonials_table_exists) {
check_and_add_column($conn, 'testimonials', 'rating', 'INT NOT NULL DEFAULT 5');
// Also check for 'course_name' column which might be needed
check_and_add_column($conn, 'testimonials', 'course_name', 'VARCHAR(255) DEFAULT NULL');
} else {
// If testimonials table doesn't exist, create it
$create_testimonials = $conn->query("CREATE TABLE IF NOT EXISTS testimonials (
id INT AUTO_INCREMENT PRIMARY KEY,
user_id INT NOT NULL,
content TEXT NOT NULL,
rating INT NOT NULL DEFAULT 5,
course_name VARCHAR(255) DEFAULT NULL,
status ENUM('pending', 'approved', 'rejected') NOT NULL DEFAULT 'pending',
created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE
)");
if ($create_testimonials) {
$messages['success'][] = "Created testimonials table with all required columns.";
} else {
$messages['error'][] = "Failed to create testimonials table: " . $conn->error;
}
}
echo '<div class="fix-status">';
if (!empty($messages['success'])) {
foreach ($messages['success'] as $success_message) {
echo '<div class="alert alert-success"><i class="fas fa-check-circle"></i> ' . $success_message . '</div>';
}
}
if (!empty($messages['error'])) {
foreach ($messages['error'] as $error_message) {
echo '<div class="alert alert-danger"><i class="fas fa-exclamation-circle"></i> ' . $error_message . '</div>';
}
}
if (!empty($messages['info'])) {
foreach ($messages['info'] as $info_message) {
echo '<div class="alert alert-info"><i class="fas fa-info-circle"></i> ' . $info_message . '</div>';
}
}
echo '</div></div>';
// 3. Configure user avatar for navigation
echo '<div class="fix-item">
<h5><i class="fas fa-user-circle"></i> Configuring user avatar integration</h5>';
// Check for profile_image column in users table
$profile_image_exists = false;
if ($users_table_exists) {
$profile_image_exists = $conn->query("SHOW COLUMNS FROM users LIKE 'profile_image'")->num_rows > 0;
if (!$profile_image_exists) {
check_and_add_column($conn, 'users', 'profile_image', 'VARCHAR(255) DEFAULT NULL');
} else {
echo '<div class="alert alert-info"><i class="fas fa-info-circle"></i> Profile image column already exists in users table.</div>';
}
// Verify avatar display in both admin and frontend navbars
echo '<div class="alert alert-info">
<i class="fas fa-info-circle"></i> User avatars should be automatically displayed in the navigation if the profile_image column exists and contains valid image paths.
</div>';
// Check if the avatar rendering code exists in the header files
$admin_header_avatar = false;
$frontend_header_avatar = false;
if (file_exists('../includes/header.php')) {
$admin_header_contents = file_get_contents('../includes/header.php');
if (strpos($admin_header_contents, 'profile_image') !== false &&
strpos($admin_header_contents, 'user-image') !== false) {
$admin_header_avatar = true;
echo '<div class="alert alert-success"><i class="fas fa-check-circle"></i> Admin panel avatar display code is properly configured.</div>';
} else {
echo '<div class="alert alert-warning"><i class="fas fa-exclamation-triangle"></i> Admin panel avatar display might need configuration in admin/includes/header.php.</div>';
}
} else {
echo '<div class="alert alert-warning"><i class="fas fa-exclamation-triangle"></i> Could not locate admin header file to check avatar configuration.</div>';
}
if (file_exists('../../includes/header.php')) {
$frontend_header_contents = file_get_contents('../../includes/header.php');
if (strpos($frontend_header_contents, 'avatar-toggle') !== false &&
strpos($frontend_header_contents, 'avatar-img') !== false) {
$frontend_header_avatar = true;
echo '<div class="alert alert-success"><i class="fas fa-check-circle"></i> Frontend avatar display code is properly configured.</div>';
} else {
echo '<div class="alert alert-warning"><i class="fas fa-exclamation-triangle"></i> Frontend avatar display might need configuration in includes/header.php.</div>';
}
} else {
echo '<div class="alert alert-warning"><i class="fas fa-exclamation-triangle"></i> Could not locate frontend header file to check avatar configuration.</div>';
}
// Show test avatar upload option
echo '<div class="card mt-3">
<div class="card-header">
<h6><i class="fas fa-image"></i> Test Avatar Upload</h6>
</div>
<div class="card-body">
<p>If you want to test the avatar functionality, you can upload a profile image for your account:</p>
<form action="upload_avatar.php" method="post" enctype="multipart/form-data" class="mt-2">
<div class="mb-3">
<label for="avatar" class="form-label">Select Avatar Image:</label>
<input type="file" class="form-control" id="avatar" name="avatar" accept="image/*">
</div>
<button type="submit" class="btn btn-primary">Upload Avatar</button>
</form>
<div class="mt-3">
<small class="text-muted">
<i class="fas fa-info-circle"></i> Note: We\'ll automatically create the upload_avatar.php script if it doesn\'t exist.
</small>
</div>
</div>
</div>';
// Check if the upload_avatar.php script exists or create it
if (!file_exists('upload_avatar.php')) {
$upload_script = '<?php
// Start session if not already started
if (session_status() === PHP_SESSION_INACTIVE) {
session_start();
}
// Check if user is logged in and is admin
if (!isset($_SESSION[\'user_id\']) || $_SESSION[\'role\'] !== \'admin\') {
$_SESSION[\'error_message\'] = "Access denied. You must be logged in as an administrator.";
header(\'Location: ../login.php\');
exit;
}
// Include database configuration
require_once \'db_config.php\';
if ($_SERVER["REQUEST_METHOD"] == "POST") {
// Check if file was uploaded without errors
if (isset($_FILES["avatar"]) && $_FILES["avatar"]["error"] == 0) {
$allowed = ["jpg" => "image/jpg", "jpeg" => "image/jpeg", "gif" => "image/gif", "png" => "image/png"];
$filename = $_FILES["avatar"]["name"];
$filetype = $_FILES["avatar"]["type"];
$filesize = $_FILES["avatar"]["size"];
// Verify file extension
$ext = pathinfo($filename, PATHINFO_EXTENSION);
if (!array_key_exists($ext, $allowed)) {
$_SESSION[\'error_message\'] = "Error: Please select a valid file format.";
header("Location: fix_missing_columns.php");
exit;
}
// Verify file size - 5MB maximum
$maxsize = 5 * 1024 * 1024;
if ($filesize > $maxsize) {
$_SESSION[\'error_message\'] = "Error: File size is larger than the allowed limit.";
header("Location: fix_missing_columns.php");
exit;
}
// Verify MIME type of the file
if (in_array($filetype, $allowed)) {
// Create uploads directory if it doesn\'t exist
$upload_dir = "../../uploads/avatars/";
if (!file_exists($upload_dir)) {
mkdir($upload_dir, 0777, true);
}
// Create unique filename
$new_filename = uniqid() . "." . $ext;
$upload_path = $upload_dir . $new_filename;
// Save the file
if (move_uploaded_file($_FILES["avatar"]["tmp_name"], $upload_path)) {
// Update the user\'s profile_image in the database
$relative_path = "uploads/avatars/" . $new_filename;
$user_id = $_SESSION[\'user_id\'];
$stmt = $conn->prepare("UPDATE users SET profile_image = ? WHERE id = ?");
$stmt->bind_param("si", $relative_path, $user_id);
if ($stmt->execute()) {
$_SESSION[\'success_message\'] = "Avatar uploaded successfully!";
} else {
$_SESSION[\'error_message\'] = "Error updating database: " . $conn->error;
}
$stmt->close();
} else {
$_SESSION[\'error_message\'] = "Error: There was a problem uploading your file. Please try again.";
}
} else {
$_SESSION[\'error_message\'] = "Error: There was a problem with the file type. Please try again.";
}
} else {
$_SESSION[\'error_message\'] = "Error: " . $_FILES["avatar"]["error"];
}
header("Location: fix_missing_columns.php");
exit;
}
// If not a POST request, redirect to the fix page
header("Location: fix_missing_columns.php");
exit;
?>';
// Create the upload script
file_put_contents('upload_avatar.php', $upload_script);
echo '<div class="alert alert-success"><i class="fas fa-check-circle"></i> Created avatar upload handler script.</div>';
}
} else {
echo '<div class="alert alert-danger"><i class="fas fa-exclamation-circle"></i> Cannot configure user avatars: users table does not exist.</div>';
}
echo '</div></div>';
// Check instructor-details.php file
echo '<div class="fix-item">
<h5><i class="fas fa-file-code"></i> Checking instructor-details.php file</h5>';
if (file_exists('../../instructor-details.php')) {
echo '<div class="alert alert-info"><i class="fas fa-info-circle"></i> instructor-details.php file exists and has been updated to check for the designation column.</div>';
} else {
echo '<div class="alert alert-warning"><i class="fas fa-exclamation-triangle"></i> instructor-details.php file could not be located. If you have instructor profiles on your site, make sure the file exists and handles the designation column properly.</div>';
}
// Reset messages for next check
$messages = [
'success' => [],
'error' => [],
'info' => []
];
// 4. Check for course_code in courses table
echo '<div class="fix-item">
<h5><i class="fas fa-database"></i> Checking \'course_code\' column in \'courses\' table</h5>';
$courses_table_exists = $conn->query("SHOW TABLES LIKE 'courses'")->num_rows > 0;
if ($courses_table_exists) {
$result = check_and_add_column($conn, 'courses', 'course_code', 'VARCHAR(20) DEFAULT NULL');
// If the column was just added, update existing courses with default codes
if ($result && empty($messages['info'])) {
// Get all courses that don't have a course code
$update_query = $conn->query("SELECT id FROM courses WHERE course_code IS NULL");
if ($update_query && $update_query->num_rows > 0) {
$updated_count = 0;
while ($course = $update_query->fetch_assoc()) {
$course_id = $course['id'];
$default_code = 'C' . sprintf('%03d', $course_id);
// Update the course with a default code
if ($conn->query("UPDATE courses SET course_code = '$default_code' WHERE id = $course_id")) {
$updated_count++;
}
}
if ($updated_count > 0) {
$messages['success'][] = "Updated $updated_count courses with default course codes.";
}
}
}
} else {
$messages['error'][] = "Courses table does not exist in the database.";
}
echo '<div class="fix-status">';
if (!empty($messages['success'])) {
foreach ($messages['success'] as $success_message) {
echo '<div class="alert alert-success"><i class="fas fa-check-circle"></i> ' . $success_message . '</div>';
}
}
if (!empty($messages['error'])) {
foreach ($messages['error'] as $error_message) {
echo '<div class="alert alert-danger"><i class="fas fa-exclamation-circle"></i> ' . $error_message . '</div>';
}
}
if (!empty($messages['info'])) {
foreach ($messages['info'] as $info_message) {
echo '<div class="alert alert-info"><i class="fas fa-info-circle"></i> ' . $info_message . '</div>';
}
}
echo '</div></div>';
// Reset messages for next check
$messages = [
'success' => [],
'error' => [],
'info' => []
];
// Navigation links
echo '<div class="navigation">
<a href="../dashboard.php" class="btn btn-primary"><i class="fas fa-home"></i> Return to Dashboard</a>
<a href="../users.php" class="btn btn-success"><i class="fas fa-users"></i> Manage Users</a>
<a href="../testimonials.php" class="btn btn-info"><i class="fas fa-quote-left"></i> Manage Testimonials</a>
</div>';
echo '</div>
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/js/bootstrap.bundle.min.js"></script>
</body>
</html>';
// Close database connection
$conn->close();
?>
