load_dependencies(); // Initialize hooks $this->init_hooks(); // Initialize dashboard data if ( class_exists( 'HVAC_Master_Dashboard_Data' ) ) { $this->dashboard_data = new HVAC_Master_Dashboard_Data(); } } /** * Load required dependencies */ private function load_dependencies() { // Ensure master dashboard data is available if ( ! class_exists( 'HVAC_Master_Dashboard_Data' ) ) { require_once HVAC_PLUGIN_DIR . 'includes/class-hvac-master-dashboard-data.php'; } } /** * Initialize hooks */ private function init_hooks() { // AJAX handlers for trainers overview add_action( 'wp_ajax_hvac_master_trainers_filter', array( $this, 'ajax_filter_trainers' ) ); add_action( 'wp_ajax_hvac_master_trainers_stats', array( $this, 'ajax_get_stats' ) ); // Shortcode for embedding trainers overview add_shortcode( 'hvac_master_trainers', array( $this, 'render_trainers_overview' ) ); // Add function for template integration add_action( 'init', array( $this, 'register_template_functions' ) ); } /** * Register template functions */ public function register_template_functions() { if ( ! function_exists( 'hvac_render_master_trainers' ) ) { function hvac_render_master_trainers() { $overview = HVAC_Master_Trainers_Overview::instance(); return $overview->render_trainers_overview(); } } } /** * Render the complete trainers overview */ public function render_trainers_overview( $atts = array() ) { // Security check if ( ! $this->can_view_trainers() ) { return '

You do not have permission to view trainers overview.

'; } ob_start(); ?>

Loading trainer statistics...

Loading trainers...

dashboard_data ) { return ''; } $trainer_stats = $this->dashboard_data->get_trainer_statistics(); $regions = array(); $options = ''; if ( ! empty( $trainer_stats['trainer_data'] ) ) { foreach ( $trainer_stats['trainer_data'] as $trainer ) { $user_meta = get_user_meta( $trainer->trainer_id ); $state = isset( $user_meta['billing_state'] ) ? $user_meta['billing_state'][0] : ''; $country = isset( $user_meta['billing_country'] ) ? $user_meta['billing_country'][0] : ''; if ( ! empty( $state ) && ! in_array( $state, $regions ) ) { $regions[] = $state; } } } sort( $regions ); foreach ( $regions as $region ) { $options .= sprintf( '', esc_attr( $region ), esc_html( $region ) ); } return $options; } /** * AJAX handler for filtering trainers */ public function ajax_filter_trainers() { // Verify nonce if ( ! wp_verify_nonce( $_POST['nonce'], 'hvac_master_trainers_nonce' ) ) { wp_send_json_error( array( 'message' => 'Security check failed' ) ); } // Check permissions if ( ! $this->can_view_trainers() ) { wp_send_json_error( array( 'message' => 'Insufficient permissions' ) ); } // Get filter parameters $args = array( 'status' => isset( $_POST['status'] ) ? sanitize_text_field( $_POST['status'] ) : 'all', 'region' => isset( $_POST['region'] ) ? sanitize_text_field( $_POST['region'] ) : '', 'search' => isset( $_POST['search'] ) ? sanitize_text_field( $_POST['search'] ) : '', 'page' => isset( $_POST['page'] ) ? absint( $_POST['page'] ) : 1, 'per_page' => isset( $_POST['per_page'] ) ? absint( $_POST['per_page'] ) : 20, 'orderby' => isset( $_POST['orderby'] ) ? sanitize_text_field( $_POST['orderby'] ) : 'display_name', 'order' => isset( $_POST['order'] ) ? sanitize_text_field( $_POST['order'] ) : 'ASC', ); // Get trainers data if ( $this->dashboard_data ) { $trainer_stats = $this->dashboard_data->get_trainer_statistics(); // Format trainers for display $formatted_trainers = $this->format_trainers_for_display( $trainer_stats['trainer_data'], $args ); wp_send_json_success( array( 'trainers' => $formatted_trainers, 'total_found' => count( $formatted_trainers ) ) ); } wp_send_json_error( array( 'message' => 'Unable to load trainers data' ) ); } /** * AJAX handler for getting trainer stats */ public function ajax_get_stats() { // Verify nonce if ( ! wp_verify_nonce( $_POST['nonce'], 'hvac_master_trainers_nonce' ) ) { wp_send_json_error( array( 'message' => 'Security check failed' ) ); } // Check permissions if ( ! $this->can_view_trainers() ) { wp_send_json_error( array( 'message' => 'Insufficient permissions' ) ); } if ( $this->dashboard_data ) { $trainer_stats = $this->dashboard_data->get_trainer_statistics(); $stats = array( 'total_trainers' => $trainer_stats['total_trainers'], 'active_trainers' => $this->count_trainers_by_status( 'active' ), 'pending_trainers' => $this->count_trainers_by_status( 'pending' ), 'total_events' => $trainer_stats['total_events'], 'total_revenue' => $trainer_stats['total_revenue'] ); wp_send_json_success( $stats ); } wp_send_json_error( array( 'message' => 'Unable to load trainer stats' ) ); } /** * Format trainers for table display */ private function format_trainers_for_display( $trainers, $filters = array() ) { $formatted = array(); foreach ( $trainers as $trainer ) { $user_meta = get_user_meta( $trainer->trainer_id ); $user_data = get_userdata( $trainer->trainer_id ); if ( ! $user_data ) continue; // Apply filters if ( ! empty( $filters['search'] ) ) { $search_term = strtolower( $filters['search'] ); $search_fields = strtolower( $trainer->display_name . ' ' . $user_data->user_email ); if ( strpos( $search_fields, $search_term ) === false ) { continue; } } if ( ! empty( $filters['region'] ) ) { $user_state = isset( $user_meta['billing_state'] ) ? $user_meta['billing_state'][0] : ''; if ( $user_state !== $filters['region'] ) { continue; } } $status = isset( $user_meta['hvac_trainer_status'] ) ? $user_meta['hvac_trainer_status'][0] : 'active'; if ( $filters['status'] !== 'all' && $status !== $filters['status'] ) { continue; } $formatted[] = array( 'id' => $trainer->trainer_id, 'name' => $trainer->display_name, 'email' => $user_data->user_email, 'status' => ucfirst( $status ), 'status_class' => 'hvac-status-' . esc_attr( $status ), 'total_events' => $trainer->total_events, 'location' => $this->get_trainer_location( $user_meta ), 'registered' => date( 'M j, Y', strtotime( $user_data->user_registered ) ), 'profile_link' => home_url( '/master-trainer/trainer-profile/' . $trainer->trainer_id . '/' ), 'edit_link' => home_url( '/master-trainer/edit-trainer/' . $trainer->trainer_id . '/' ) ); } return $formatted; } /** * Get trainer location from user meta */ private function get_trainer_location( $user_meta ) { $city = isset( $user_meta['billing_city'] ) ? $user_meta['billing_city'][0] : ''; $state = isset( $user_meta['billing_state'] ) ? $user_meta['billing_state'][0] : ''; $country = isset( $user_meta['billing_country'] ) ? $user_meta['billing_country'][0] : ''; $location_parts = array_filter( array( $city, $state, $country ) ); return implode( ', ', $location_parts ); } /** * Count trainers by status */ private function count_trainers_by_status( $status ) { $users = get_users( array( 'role' => 'hvac_trainer', 'meta_key' => 'hvac_trainer_status', 'meta_value' => $status, 'count_total' => true ) ); return is_array( $users ) ? count( $users ) : 0; } /** * Check if current user can view trainers */ private function can_view_trainers() { $user = wp_get_current_user(); return in_array( 'hvac_master_trainer', $user->roles ) || current_user_can( 'manage_options' ); } } // Initialize the class HVAC_Master_Trainers_Overview::instance();