<?php /** * Plugin Name: Gym Booking System * Description: Appointment booking system for gyms and small businesses * Version: 1.0.0 * Author: CodePHP */ defined('ABSPATH') || exit; // Define plugin constants define('GB_PLUGIN_DIR', plugin_dir_path(__FILE__)); define('GB_PLUGIN_URL', plugin_dir_url(__FILE__)); // Main plugin class class GymBookingPlugin { public function __construct() { register_activation_hook(__FILE__, [$this, 'activate']); $this->includes(); $this->init_components(); } private function includes() { require_once GB_PLUGIN_DIR . 'includes/class-event.php'; require_once GB_PLUGIN_DIR . 'includes/class-appointment.php'; require_once GB_PLUGIN_DIR . 'includes/class-email-handler.php'; require_once GB_PLUGIN_DIR . 'admin/class-event-admin.php'; require_once GB_PLUGIN_DIR . 'admin/class-appointment-admin.php'; require_once GB_PLUGIN_DIR . 'admin/class-settings.php'; require_once GB_PLUGIN_DIR . 'public/class-shortcode-handler.php'; } private function init_components() { if (is_admin()) { new GB_Event_Admin(); new GB_Appointment_Admin(); new GB_Settings(); } new GB_Shortcode_Handler(); new GB_Email_Handler(); } public function activate() { GB_Event::create_table(); GB_Appointment::create_table(); } } new GymBookingPlugin(); <?php class GB_Event { private static $table_name = 'gb_events'; public static function create_table() { global $wpdb; $charset_collate = $wpdb->get_charset_collate(); $sql = "CREATE TABLE " . self::get_table_name() . " ( id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT, title VARCHAR(255) NOT NULL, description TEXT, start_datetime DATETIME NOT NULL, end_datetime DATETIME NOT NULL, max_slots INT NOT NULL, recurrence_rules TEXT, created_at DATETIME NOT NULL, PRIMARY KEY (id) ) $charset_collate;"; require_once(ABSPATH . 'wp-admin/includes/upgrade.php'); dbDelta($sql); } public static function get_table_name() { global $wpdb; return $wpdb->prefix . self::$table_name; } // CRUD methods public static function create($data) { global $wpdb; return $wpdb->insert(self::get_table_name(), $data); } public static function update($id, $data) { global $wpdb; return $wpdb->update(self::get_table_name(), $data, ['id' => $id]); } public static function delete($id) { global $wpdb; return $wpdb->delete(self::get_table_name(), ['id' => $id]); } public static function get_all() { global $wpdb; return $wpdb->get_results("SELECT * FROM " . self::get_table_name()); } } <?php class GB_Appointment { private static $table_name = 'gb_appointments'; public static function create_table() { global $wpdb; $charset_collate = $wpdb->get_charset_collate(); $sql = "CREATE TABLE " . self::get_table_name() . " ( id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT, event_id BIGINT UNSIGNED NOT NULL, user_id BIGINT UNSIGNED NOT NULL, appointment_datetime DATETIME NOT NULL, status ENUM('pending', 'confirmed', 'cancelled') DEFAULT 'pending', created_at DATETIME NOT NULL, PRIMARY KEY (id), FOREIGN KEY (event_id) REFERENCES " . GB_Event::get_table_name() . "(id) ) $charset_collate;"; require_once(ABSPATH . 'wp-admin/includes/upgrade.php'); dbDelta($sql); } public static function get_table_name() { global $wpdb; return $wpdb->prefix . self::$table_name; } // CRUD methods public static function create($data) { global $wpdb; return $wpdb->insert(self::get_table_name(), $data); } public static function update($id, $data) { global $wpdb; return $wpdb->update(self::get_table_name(), $data, ['id' => $id]); } public static function delete($id) { global $wpdb; return $wpdb->delete(self::get_table_name(), ['id' => $id]); } } <?php class GB_Event_Admin { public function __construct() { add_action('admin_menu', [$this, 'add_menu']); } public function add_menu() { add_menu_page( 'Manage Events', 'Gym Events', 'manage_options', 'gb-events', [$this, 'render_event_list'], 'dashicons-calendar-alt', 30 ); } public function render_event_list() { include GB_PLUGIN_DIR . 'admin/views/event-list.php'; } } <div class="wrap"> <h1>Manage Events</h1> <a href="admin.php?page=gb-events&action=create" class="page-title-action">Add New Event</a> <?php $events = GB_Event::get_all(); if (!empty($events)) : ?> <table class="wp-list-table widefat fixed striped"> <thead> <tr> <th>Title</th> <th>Start Date</th> <th>End Date</th> <th>Slots</th> <th>Actions</th> </tr> </thead> <tbody> <?php foreach ($events as $event) : ?> <tr> <td><?php echo esc_html($event->title); ?></td> <td><?php echo esc_html($event->start_datetime); ?></td> <td><?php echo esc_html($event->end_datetime); ?></td> <td><?php echo (int)$event->max_slots; ?></td> <td> <a href="admin.php?page=gb-events&action=edit&id=<?php echo (int)$event->id; ?>" class="button">Edit</a> <a href="admin.php?page=gb-events&action=delete&id=<?php echo (int)$event->id; ?>" class="button delete">Delete</a> </td> </tr> <?php endforeach; ?> </tbody> </table> <?php else : ?> <p>No events found.</p> <?php endif; ?> </div> <?php class GB_Shortcode_Handler { public function __construct() { add_shortcode('gym_booking', [$this, 'render_booking_calendar']); } public function render_booking_calendar($atts) { ob_start(); include GB_PLUGIN_DIR . 'public/views/booking-calendar.php'; return ob_get_clean(); } } <div class="gym-booking-calendar"> <h2>Book Your Session</h2> <?php $events = GB_Event::get_all(); if (!empty($events)) : ?> <div class="gb-events-list"> <?php foreach ($events as $event) : ?> <div class="gb-event"> <h3><?php echo esc_html($event->title); ?></h3> <p>Start: <?php echo date('M j, Y H:i', strtotime($event->start_datetime)); ?></p> <p>Slots Available: <?php echo (int)$event->max_slots; ?></p> <button class="gb-book-button" data-event-id="<?php echo (int)$event->id; ?>"> Book Now </button> </div> <?php endforeach; ?> </div> <?php else : ?> <p>No available sessions found.</p> <?php endif; ?> </div> <?php class GB_Email_Handler { public function __construct() { add_action('gb_appointment_created', [$this, 'send_confirmation_email'], 10, 2); } public function send_confirmation_email($appointment_id, $user_id) { $user = get_userdata($user_id); $appointment = GB_Appointment::get($appointment_id); $event = GB_Event::get($appointment->event_id); $to = $user->user_email; $subject = 'Appointment Confirmation'; $message = "Your appointment has been booked:\n\n"; $message .= "Event: {$event->title}\n"; $message .= "Time: " . date('Y-m-d H:i', strtotime($appointment->appointment_datetime)) . "\n"; wp_mail($to, $subject, $message); } } <?php class GB_Settings { public function __construct() { add_action('admin_menu', [$this, 'add_settings_page']); add_action('admin_init', [$this, 'register_settings']); } public function add_settings_page() { add_submenu_page( 'gb-events', 'Booking Settings', 'Settings', 'manage_options', 'gb-settings', [$this, 'render_settings_page'] ); } public function register_settings() { register_setting('gb_settings_group', 'gb_email_template'); register_setting('gb_settings_group', 'gb_shortcode_defaults'); } public function render_settings_page() { include GB_PLUGIN_DIR . 'admin/views/settings-page.php'; } } <div class="wrap"> <h1>Booking Settings</h1> <form method="post" action="options.php"> <?php settings_fields('gb_settings_group'); ?> <table class="form-table"> <tr valign="top"> <th scope="row">Email Template</th> <td> <textarea name="gb_email_template" class="large-text" rows="10"><?php echo esc_textarea(get_option('gb_email_template')); ?></textarea> </td> </tr> <tr valign="top"> <th scope="row">Default Shortcode Options</th> <td> <input type="text" name="gb_shortcode_defaults" class="regular-text" value="<?php echo esc_attr(get_option('gb_shortcode_defaults')); ?>"> </td> </tr> </table> <?php submit_button(); ?> </form> </div>