# easy-invoice/2.3.7/includes/EasyInvoice.php Easy Invoice – Invoice Generator, PDF Quotes & Payments, version 2.3.7. 797 lines. - Page: https://pluginprobe.com/plugins/easy-invoice/2.3.7/code/includes/EasyInvoice.php - Raw: https://pluginprobe.com/plugins/easy-invoice/2.3.7/raw/includes/EasyInvoice.php - Modified: 2026-05-21T08:29:24+00:00 Line numbers below start at 1. Link to a line or a range by appending a fragment to the page URL, for example `https://pluginprobe.com/plugins/easy-invoice/2.3.7/code/includes/EasyInvoice.php#L10-L20`. ```php defineConstants(); // Initialize payment gateways first. $this->initPaymentGateways(); // Note: Post types are now registered separately with proper timing // Initialize template loader $template_loader = new TemplateLoader(); $template_loader->init(); // Flush rewrite rules on first load to ensure public quote URLs work if (get_option('easy_invoice_flush_rewrite_rules', false) === false) { add_action('init', function() { flush_rewrite_rules(); update_option('easy_invoice_flush_rewrite_rules', true); }, 20); } // Also flush rewrite rules when post types are registered add_action('init', function() { if (get_option('easy_invoice_post_types_registered', false) === false) { flush_rewrite_rules(); update_option('easy_invoice_post_types_registered', true); } }, 25); // Initialize admin functionality if in admin area. if ( is_admin() ) { $this->initAdmin(); } // Initialize background services \EasyInvoice\Services\QuoteExpirationService::init(); } /** * Define plugin constants. * * @since 1.0.0 * @access private * @return void */ private function defineConstants(): void { if ( ! defined( 'EASY_INVOICE_VERSION' ) ) { $fallback = '2.1.18'; if ( defined( 'EASY_INVOICE_PLUGIN_FILE' ) && function_exists( 'get_file_data' ) ) { $headers = get_file_data( EASY_INVOICE_PLUGIN_FILE, array( 'version' => 'Version' ), 'plugin' ); $fallback = ! empty( $headers['version'] ) ? $headers['version'] : $fallback; } define( 'EASY_INVOICE_VERSION', $fallback ); } if ( ! defined( 'EASY_INVOICE_FILE' ) ) { define( 'EASY_INVOICE_FILE', dirname( dirname( __FILE__ ) ) . '/easy-invoice.php' ); } if ( ! defined( 'EASY_INVOICE_PATH' ) ) { define( 'EASY_INVOICE_PATH', plugin_dir_path( EASY_INVOICE_FILE ) ); } if ( ! defined( 'EASY_INVOICE_URL' ) ) { define( 'EASY_INVOICE_URL', plugin_dir_url( EASY_INVOICE_FILE ) ); } if ( ! defined( 'EASY_INVOICE_ASSETS_URL' ) ) { define( 'EASY_INVOICE_ASSETS_URL', EASY_INVOICE_URL . 'assets/' ); } } /** * Initialize admin functionality. * * @since 1.0.0 * @access private * @return void */ private function initAdmin() { // Load admin class if we're in the admin area. $admin = new Admin\EasyInvoiceAdmin(); $admin->init(); // Initialize AJAX handlers. $ajax = new Admin\EasyInvoiceAjax(); $ajax->init(); // Show draft invoices in the main list. add_action( 'pre_get_posts', [ $this, 'modifyInvoiceAdminQuery' ] ); // Add custom columns to invoice list. add_filter( 'manage_easy_invoice_posts_columns', [ $this, 'addInvoiceColumns' ] ); add_action( 'manage_easy_invoice_posts_custom_column', [ $this, 'populateInvoiceColumns' ], 10, 2 ); // Add custom columns to payment list. add_filter( 'manage_easy_invoice_payment_posts_columns', [ $this, 'addPaymentColumns' ] ); add_action( 'manage_easy_invoice_payment_posts_custom_column', [ $this, 'populatePaymentColumns' ], 10, 2 ); // Add admin action to flush rewrite rules add_action('admin_post_flush_easy_invoice_rewrite_rules', [$this, 'handleFlushRewriteRules']); // Add admin action to fix quote slugs add_action('admin_post_fix_easy_invoice_quote_slugs', [$this, 'handleFixQuoteSlugs']); // Add admin action to manually register post types add_action('admin_post_register_easy_invoice_post_types', [$this, 'handleRegisterPostTypes']); // Disable admin notices on Easy Invoice pages for clean UI add_action( 'admin_notices', [ $this, 'disableAdminNoticesOnEasyInvoicePages' ], 1 ); } /** * Modify the main query for easy_invoice post type in admin to include drafts. * * @since 1.0.0 * @param \WP_Query $query The WP_Query instance (passed by reference). * @return void */ public function modifyInvoiceAdminQuery( \WP_Query $query ) { // Check if we are on the main query for the 'easy_invoice' post type admin page. if ( ! is_admin() || ! $query->is_main_query() || $query->get( 'post_type' ) !== 'easy_invoice' ) { return; } // Check if a specific post_status is already set in the query. $current_status = $query->get( 'post_status' ); if ( empty( $current_status ) || $current_status === '' || ( is_array( $current_status ) && count( $current_status ) === 1 && $current_status[0] === 'any' ) ) { // Also check for explicit views like 'all'. if ( isset( $_GET['post_status'] ) && $_GET['post_status'] !== 'all' ) { return; } // Include all needed statuses. $query->set( 'post_status', [ 'publish', 'private', 'draft', 'pending', 'future', 'pending-bank', 'pending-cheque' ] ); } } /** * Initialize payment gateways. * * @since 1.0.0 * @access private * @return void */ private function initPaymentGateways() { if ( ! $this->gateway_manager ) { $this->gateway_manager = new PaymentGatewayManager(); // Register payment gateways. $gateways = [ new Gateways\PayPalGateway(), new Gateways\ManualGateway(), ]; foreach ( $gateways as $gateway ) { $this->gateway_manager->registerGateway( $gateway ); } // Initialize all gateways. $this->gateway_manager->initGateways(); // Set default payment methods if not already set. $this->setDefaultPaymentMethods(); } } /** * Set default payment methods and their details. * * @since 1.0.0 * @access private * @return void */ private function setDefaultPaymentMethods() { $payment_methods = get_option( 'easy_invoice_payment_methods', [] ); $defaults_updated = false; // Bank Transfer, Cheque, and Cash payment defaults moved to Pro plugin if ( $defaults_updated ) { update_option( 'easy_invoice_payment_methods', array_unique( $payment_methods ) ); } } /** * Get payment gateway manager. * * @since 1.0.0 * @return PaymentGatewayManager */ public function getGatewayManager(): PaymentGatewayManager { if ( ! $this->gateway_manager ) { $this->initPaymentGateways(); } return $this->gateway_manager; } /** * Register custom post types. * * @since 1.0.0 * @return void */ public function registerPostTypes() { // Register Invoice post type. register_post_type( \EasyInvoice\Constants\PostTypes::EASY_INVOICE_POST_TYPE, [ 'labels' => [ 'name' => _x( 'Invoices', 'post type general name', 'easy-invoice' ), 'singular_name' => _x( 'Invoice', 'post type singular name', 'easy-invoice' ), 'menu_name' => _x( 'Invoices', 'admin menu', 'easy-invoice' ), 'name_admin_bar' => _x( 'Invoice', 'add new on admin bar', 'easy-invoice' ), 'add_new' => _x( 'Add New', 'invoice', 'easy-invoice' ), 'add_new_item' => __( 'Add New Invoice', 'easy-invoice' ), 'new_item' => __( 'New Invoice', 'easy-invoice' ), 'edit_item' => __( 'Edit Invoice', 'easy-invoice' ), 'view_item' => __( 'View Invoice', 'easy-invoice' ), 'all_items' => __( 'All Invoices', 'easy-invoice' ), 'search_items' => __( 'Search Invoices', 'easy-invoice' ), 'parent_item_colon' => __( 'Parent Invoices:', 'easy-invoice' ), 'not_found' => __( 'No invoices found.', 'easy-invoice' ), 'not_found_in_trash' => __( 'No invoices found in Trash.', 'easy-invoice' ) ], 'description' => __( 'Invoices for Easy Invoice plugin.', 'easy-invoice' ), 'public' => true, 'publicly_queryable' => true, 'show_ui' => false, 'show_in_menu' => false, 'query_var' => true, 'rewrite' => [ 'slug' => 'invoice' ], 'capability_type' => 'post', 'has_archive' => false, 'hierarchical' => false, 'menu_position' => null, 'supports' => [ 'title', 'editor', 'custom-fields' ] ]); // Register Quote post type. $quote_post_type = \EasyInvoice\Constants\PostTypes::EASY_INVOICE_QUOTE_POST_TYPE; $result = register_post_type( $quote_post_type, [ 'labels' => [ 'name' => _x( 'Quotes', 'post type general name', 'easy-invoice' ), 'singular_name' => _x( 'Quote', 'post type singular name', 'easy-invoice' ), 'menu_name' => _x( 'Quotes', 'admin menu', 'easy-invoice' ), 'name_admin_bar' => _x( 'Quote', 'add new on admin bar', 'easy-invoice' ), 'add_new' => _x( 'Add New', 'quote', 'easy-invoice' ), 'add_new_item' => __( 'Add New Quote', 'easy-invoice' ), 'new_item' => __( 'New Quote', 'easy-invoice' ), 'edit_item' => __( 'Edit Quote', 'easy-invoice' ), 'view_item' => __( 'View Quote', 'easy-invoice' ), 'all_items' => __( 'All Quotes', 'easy-invoice' ), 'search_items' => __( 'Search Quotes', 'easy-invoice' ), 'parent_item_colon' => __( 'Parent Quotes:', 'easy-invoice' ), 'not_found' => __( 'No quotes found.', 'easy-invoice' ), 'not_found_in_trash' => __( 'No quotes found in Trash.', 'easy-invoice' ) ], 'description' => __( 'Quotes for Easy Invoice plugin.', 'easy-invoice' ), 'public' => true, 'publicly_queryable' => true, 'show_ui' => false, 'show_in_menu' => false, 'query_var' => true, 'rewrite' => [ 'slug' => 'easy-invoice-quote', 'with_front' => false ], 'capability_type' => 'post', 'has_archive' => false, 'hierarchical' => false, 'menu_position' => null, 'supports' => [ 'title', 'editor', 'custom-fields' ] ]); // Register Payment post type. register_post_type( 'easy_invoice_payment', [ 'labels' => [ 'name' => _x( 'Payments', 'post type general name', 'easy-invoice' ), 'singular_name' => _x( 'Payment', 'post type singular name', 'easy-invoice' ), 'menu_name' => _x( 'Payments', 'admin menu', 'easy-invoice' ), 'name_admin_bar' => _x( 'Payment', 'add new on admin bar', 'easy-invoice' ), 'add_new' => _x( 'Add New', 'payment', 'easy-invoice' ), 'add_new_item' => __( 'Add New Payment', 'easy-invoice' ), 'new_item' => __( 'New Payment', 'easy-invoice' ), 'edit_item' => __( 'Edit Payment', 'easy-invoice' ), 'view_item' => __( 'View Payment', 'easy-invoice' ), 'all_items' => __( 'All Payments', 'easy-invoice' ), 'search_items' => __( 'Search Payments', 'easy-invoice' ), 'parent_item_colon' => __( 'Parent Payments:', 'easy-invoice' ), 'not_found' => __( 'No payments found.', 'easy-invoice' ), 'not_found_in_trash' => __( 'No payments found in Trash.', 'easy-invoice' ) ], 'description' => __( 'Payments for Easy Invoice plugin.', 'easy-invoice' ), 'public' => false, 'publicly_queryable' => false, 'show_ui' => true, 'show_in_menu' => 'edit.php?post_type=easy_invoice', 'query_var' => true, 'rewrite' => [ 'slug' => 'payment' ], 'capability_type' => 'post', 'has_archive' => false, 'hierarchical' => false, 'menu_position' => null, 'supports' => [ 'title', 'author', 'custom-fields' ], 'show_in_rest' => false, ] ); // Force flush rewrite rules after post type registration $this->flushRewriteRules(); // Force an immediate rewrite rules flush flush_rewrite_rules(true); } /** * Flush rewrite rules to ensure custom post type URLs work */ private function flushRewriteRules() { // Only flush if we haven't done it recently $last_flush = get_option('easy_invoice_last_rewrite_flush', 0); $current_time = time(); if ($current_time - $last_flush > 300) { // 5 minutes flush_rewrite_rules(); update_option('easy_invoice_last_rewrite_flush', $current_time); } } /** * Manually flush rewrite rules (public method for admin use) */ public function forceFlushRewriteRules() { flush_rewrite_rules(); update_option('easy_invoice_last_rewrite_flush', time()); update_option('easy_invoice_flush_rewrite_rules', false); update_option('easy_invoice_post_types_registered', false); } /** * Add columns to invoice list table. * * @since 1.0.0 * @param array $columns List of columns. * @return array Modified list of columns. */ public function addInvoiceColumns( $columns ) { $date_column = isset( $columns['date'] ) ? $columns['date'] : ''; unset( $columns['date'] ); $columns['invoice_number'] = __( 'Invoice #', 'easy-invoice' ); $columns['client'] = __( 'Client', 'easy-invoice' ); $columns['amount'] = __( 'Amount', 'easy-invoice' ); $columns['status'] = __( 'Status', 'easy-invoice' ); $columns['issue_date'] = __( 'Issue Date', 'easy-invoice' ); $columns['due_date'] = __( 'Due Date', 'easy-invoice' ); if ( $date_column ) { $columns['date'] = $date_column; } return $columns; } /** * Populate custom columns for invoice list table. * * @since 1.0.0 * @param string $column Column name. * @param int $post_id Post ID. * @return void */ public function populateInvoiceColumns( $column, $post_id ) { switch ( $column ) { case 'invoice_number': $invoice_number = get_post_meta( $post_id, '_invoice_number', true ); echo esc_html( ! empty( $invoice_number ) ? $invoice_number : "INV-{$post_id}" ); break; case 'client': $client_id = get_post_meta( $post_id, '_client_id', true ); if ( $client_id ) { $client = get_post( $client_id ); if ( $client ) { echo esc_html( $client->post_title ); } else { echo esc_html__('—', 'easy-invoice'); } } else { echo esc_html__('—', 'easy-invoice'); } break; case 'amount': $total = get_post_meta( $post_id, '_invoice_total', true ); if ( ! empty( $total ) ) { echo esc_html( '$' . number_format( $total, 2 ) ); } else { echo esc_html__('—', 'easy-invoice'); } break; case 'status': $status = get_post_meta( $post_id, '_payment_status', true ); if ( ! empty( $status ) ) { echo '' . esc_html( ucfirst( $status ) ) . ''; } else { echo esc_html__('—', 'easy-invoice'); } break; case 'issue_date': $issue_date = get_post_meta( $post_id, '_issue_date', true ); if ( ! empty( $issue_date ) ) { echo esc_html( date_i18n( get_option( 'date_format' ), strtotime( $issue_date ) ) ); } else { echo esc_html__('—', 'easy-invoice'); } break; case 'due_date': $due_date = get_post_meta( $post_id, '_due_date', true ); if ( ! empty( $due_date ) ) { echo esc_html( date_i18n( get_option( 'date_format' ), strtotime( $due_date ) ) ); } else { echo '—'; } break; } } /** * Add columns to payment list table. * * @since 1.0.0 * @param array $columns List of columns. * @return array Modified list of columns. */ public function addPaymentColumns( $columns ) { $date_column = isset( $columns['date'] ) ? $columns['date'] : ''; unset( $columns['date'] ); $columns['invoice'] = __( 'Invoice', 'easy-invoice' ); $columns['amount'] = __( 'Amount', 'easy-invoice' ); $columns['method'] = __( 'Method', 'easy-invoice' ); $columns['status'] = __( 'Status', 'easy-invoice' ); $columns['transaction_id'] = __( 'Transaction ID', 'easy-invoice' ); if ( $date_column ) { $columns['date'] = $date_column; } return $columns; } /** * Populate custom columns for payment list table. * * @since 1.0.0 * @param string $column Column name. * @param int $post_id Post ID. * @return void */ public function populatePaymentColumns( $column, $post_id ) { switch ( $column ) { case 'invoice': $invoice_id = get_post_meta( $post_id, '_invoice_id', true ); if ( $invoice_id ) { $invoice = get_post( $invoice_id ); if ( $invoice ) { $invoice_number = get_post_meta( $invoice_id, '_invoice_number', true ); if ( ! $invoice_number ) { $invoice_number = "INV-{$invoice_id}"; } echo '' . esc_html( $invoice_number ) . ''; } else { echo '—'; } } else { echo '—'; } break; case 'amount': $amount = get_post_meta( $post_id, '_amount', true ); $currency = get_post_meta( $post_id, '_currency_symbol', true ) ?: '$'; if ( ! empty( $amount ) ) { echo esc_html( $currency . number_format( $amount, 2 ) ); } else { echo '—'; } break; case 'method': $method = get_post_meta( $post_id, '_payment_method', true ); if ( ! empty( $method ) ) { echo esc_html( ucfirst( $method ) ); } else { echo '—'; } break; case 'status': $status = get_post_meta( $post_id, '_status', true ); if ( ! empty( $status ) ) { echo '' . esc_html( ucfirst( $status ) ) . ''; } else { echo '—'; } break; case 'transaction_id': $transaction_id = get_post_meta( $post_id, '_transaction_id', true ); if ( ! empty( $transaction_id ) ) { echo esc_html( $transaction_id ); } else { echo '—'; } break; } } /** * Register custom post statuses. * * @since 1.0.0 * @return void */ public function registerCustomStatuses() { // Register custom post statuses for invoices and payments. $statuses = [ 'pending-bank' => [ 'label' => _x( 'Pending Bank Transfer', 'Invoice status', 'easy-invoice' ), 'public' => true, 'exclude_from_search' => false, 'show_in_admin_all_list' => true, 'show_in_admin_status_list' => true, 'label_count' => _n_noop( 'Pending Bank Transfer (%s)', 'Pending Bank Transfer (%s)', 'easy-invoice' ), ], 'pending-cheque' => [ 'label' => _x( 'Pending Cheque', 'Invoice status', 'easy-invoice' ), 'public' => true, 'exclude_from_search' => false, 'show_in_admin_all_list' => true, 'show_in_admin_status_list' => true, 'label_count' => _n_noop( 'Pending Cheque (%s)', 'Pending Cheque (%s)', 'easy-invoice' ), ], ]; foreach ( $statuses as $status => $args ) { register_post_status( $status, $args ); } } /** * Handle admin action to flush rewrite rules */ public function handleFlushRewriteRules() { if (!current_user_can('manage_options')) { wp_die('Unauthorized'); } check_admin_referer('flush_easy_invoice_rewrite_rules'); $this->forceFlushRewriteRules(); // Get the referer to determine which page to redirect back to $referer = wp_get_referer(); $redirect_url = admin_url('admin.php?page=easy-quote-all&rewrite_flushed=1'); // Default fallback if ($referer) { // Check if user was on invoice page if (strpos($referer, 'page=easy-invoice-all') !== false) { $redirect_url = admin_url('admin.php?page=easy-invoice-all&rewrite_flushed=1'); } elseif (strpos($referer, 'page=easy-quote-all') !== false) { $redirect_url = admin_url('admin.php?page=easy-quote-all&rewrite_flushed=1'); } } wp_redirect($redirect_url); exit; } /** * Handle admin action to manually register post types */ public function handleRegisterPostTypes() { if (!current_user_can('manage_options')) { wp_die('Unauthorized'); } check_admin_referer('register_easy_invoice_post_types'); $this->registerPostTypes(); $this->forceFlushRewriteRules(); // Get the referer to determine which page to redirect back to $referer = wp_get_referer(); $redirect_url = admin_url('admin.php?page=easy-quote-all&post_types_registered=1'); // Default fallback if ($referer) { // Check if user was on invoice page if (strpos($referer, 'page=easy-invoice-all') !== false) { $redirect_url = admin_url('admin.php?page=easy-invoice-all&post_types_registered=1'); } elseif (strpos($referer, 'page=easy-quote-all') !== false) { $redirect_url = admin_url('admin.php?page=easy-quote-all&post_types_registered=1'); } } wp_redirect($redirect_url); exit; } /** * Disable admin notices on Easy Invoice pages for clean UI. * * @since 1.0.0 * @return void */ public function disableAdminNoticesOnEasyInvoicePages() { // Get current page $page = isset( $_GET['page'] ) ? sanitize_text_field( $_GET['page'] ) : ''; // Static list of core Easy Invoice page slugs. Addon-owned page // slugs (Item Library, Template Builder, enterprise addon pages, // export manager, etc.) are appended dynamically below from // AddonRegistry so new addons automatically suppress WP notices // on their pages without needing to edit this list. $easy_invoice_pages = [ 'easy-invoice', // Dashboard 'easy-invoice-all', // All invoices 'easy-invoice-builder', // Invoice builder 'easy-invoice-preview', // Invoice preview 'easy-quote-all', // All quotes 'easy-invoice-quote-builder', // Quote builder 'easy-quote-preview', // Quote preview 'easy-invoice-payments', // All payments 'easy-invoice-payment-new', // Add new payment 'easy-invoice-clients', // All clients 'easy-invoice-client-edit', // Edit client 'easy-invoice-client-view', // View client 'easy-invoice-reports', // Reports 'easy-invoice-settings', // Main settings 'easy-invoice-email-settings', // Email settings 'easy-invoice-email-settings-general', 'easy-invoice-email-settings-invoice', 'easy-invoice-email-settings-quote', 'easy-invoice-email-settings-payment', 'easy-invoice-pro-settings', // Pro settings 'easy-invoice-pro-translations',// Pro translations 'easy-invoice-pro-item-library',// Item Library (Pro) 'easy-invoice-templates', // Template Builder listing (Pro) 'easy-invoice-templates-new', // Template Builder "Create New" (Pro) 'easy-invoice-template-builder',// Template Builder canvas (Pro) 'easy-invoice-export', // Export Data (bulk_operations addon) 'easy-invoice-addons', // Addons grid 'easy-invoice-migration', // Migration page 'easy-invoice-license', // License page 'easy-invoice-free-vs-pro', 'easy-invoice-join-community', ]; // Dynamically include every addon's `settings_url` page slug. // This means enterprise addons (time-tracking, dunning, white-label, // team-roles, webhooks) and any future addon automatically get // notice-suppression without needing to update this array. if ( class_exists( '\\EasyInvoice\\Addons\\AddonRegistry' ) ) { foreach ( \EasyInvoice\Addons\AddonRegistry::all() as $ei_addon ) { if ( empty( $ei_addon['settings_url'] ) ) { continue; } $parts = wp_parse_url( $ei_addon['settings_url'] ); if ( empty( $parts['query'] ) ) { continue; } parse_str( $parts['query'], $qs ); if ( ! empty( $qs['page'] ) ) { $easy_invoice_pages[] = $qs['page']; } } $easy_invoice_pages = array_values( array_unique( $easy_invoice_pages ) ); } // Check if current page is an Easy Invoice page if ( in_array( $page, $easy_invoice_pages ) ) { // Don't remove our review notice - keep it for free users // Store our notice callback temporarily $review_notice_callback = false; $review_notice_priority = false; // Find our review notice hook global $wp_filter; if (isset($wp_filter['admin_notices']->callbacks)) { foreach ($wp_filter['admin_notices']->callbacks as $priority => $callbacks) { foreach ($callbacks as $callback) { if (is_array($callback['function']) && is_object($callback['function'][0]) && $callback['function'][0] instanceof \EasyInvoice\Services\ReviewNoticeService && $callback['function'][1] === 'displayAdminNotice') { $review_notice_callback = $callback['function']; $review_notice_priority = $priority; break 2; } } } } // Remove all admin notices by removing the action remove_all_actions( 'admin_notices' ); // Also remove network and user admin notices remove_all_actions( 'network_admin_notices' ); remove_all_actions( 'user_admin_notices' ); remove_all_actions( 'all_admin_notices' ); // Re-add our review notice if it was found if ($review_notice_callback !== false && $review_notice_priority !== false) { add_action('admin_notices', $review_notice_callback, $review_notice_priority); } } } } ```