/** * Plugin Name: Custom WooCommerce Currency Switcher * Description: A floating currency switcher for WooCommerce with a pop-up selector. * Version: 1.2 * Author: Your Name * License: GPL2 */ // Enqueue CSS and JavaScript function custom_currency_switcher_assets() { wp_enqueue_style('currency-switcher-css', plugin_dir_url(__FILE__) . 'css/currency-switcher.css'); wp_enqueue_script('jquery'); wp_enqueue_script('currency-switcher-js', plugin_dir_url(__FILE__) . 'js/currency-switcher.js', array('jquery'), null, true); wp_localize_script('currency-switcher-js', 'currencySwitcherAjax', array( 'ajax_url' => admin_url('admin-ajax.php'), )); } add_action('wp_enqueue_scripts', 'custom_currency_switcher_assets'); // Ensure WooCommerce session starts properly function start_woocommerce_session() { if (!session_id()) { session_start(); } if (WC()->session) { WC()->session->set('currency', WC()->session->get('currency', 'USD')); } } add_action('init', 'start_woocommerce_session'); // Currency symbols mapping function get_currency_symbols() { return array( 'USD' => '$', 'NGN' => '₦', 'GHS' => '₵', 'ZAR' => 'R' ); } // Add currency switcher HTML (Removed from checkout page) // Add currency switcher only on specific pages function custom_currency_switcher_html() { if (is_checkout() || is_shop()) { return; // Don't show on checkout or shop page } // Check if we're on a single product page and if the product belongs to the "recipe-book" category if (is_product()) { global $post; $product = wc_get_product($post->ID); if (!$product || !has_term('recipe-book', 'product_cat', $product->get_id())) { return; // Hide switcher if not in the "recipe-book" category } } // Ensure it shows on the cart page if (is_cart() || is_product()) { $selected_currency = WC()->session->get('currency', 'USD'); $currencies = array('USD' => 'USD', 'NGN' => 'NGN', 'GHS' => 'GHS', 'ZAR' => 'ZAR'); echo '

'; echo '

Currency: ' . esc_html($selected_currency) . '

'; echo '

'; // Currency Popup echo ''; } } add_action('wp_footer', 'custom_currency_switcher_html'); // Handle AJAX currency switching function set_currency() { if (!WC()->session) { WC()->initialize_session(); } if (isset($_POST['currency'])) { $currency = sanitize_text_field($_POST['currency']); WC()->session->set('currency', $currency); // Ensure prices update dynamically via AJAX WC()->cart->calculate_totals(); wp_send_json_success(array('currency' => $currency)); } else { wp_send_json_error(array('message' => 'Invalid request')); } wp_die(); } add_action('wp_ajax_set_currency', 'set_currency'); add_action('wp_ajax_nopriv_set_currency', 'set_currency'); // Display correct price and currency symbol function custom_currency_display_price($price, $product) { if (!WC()->session) { WC()->initialize_session(); } $selected_currency = WC()->session->get('currency', 'USD'); $currency_symbols = get_currency_symbols(); $custom_price = get_post_meta($product->get_id(), '_custom_price_' . strtolower($selected_currency), true); if (!empty($custom_price)) { $symbol = isset($currency_symbols[$selected_currency]) ? $currency_symbols[$selected_currency] : $selected_currency; return $symbol . number_format($custom_price, 2); } return $price; } add_filter('woocommerce_get_price_html', 'custom_currency_display_price', 10, 2); // Update Cart & Checkout Prices Based on Selected Currency function update_cart_totals($cart) { if (!WC()->session) { return; } $selected_currency = WC()->session->get('currency', 'USD'); $currency_symbols = get_currency_symbols(); foreach ($cart->get_cart() as $cart_item) { $product = wc_get_product($cart_item['product_id']); $custom_price = get_post_meta($product->get_id(), '_custom_price_' . strtolower($selected_currency), true); if (!empty($custom_price)) { $cart_item['data']->set_price($custom_price); } } } add_action('woocommerce_before_calculate_totals', 'update_cart_totals', 10, 1); // Ensure Checkout Uses Selected Currency and Symbol function set_currency_at_checkout($currency) { if (WC()->session) { return WC()->session->get('currency', 'USD'); } return $currency; } add_filter('woocommerce_currency', 'set_currency_at_checkout'); // Add AJAX refresh for cart page when switching currency function refresh_cart_on_currency_change() { wc_add_notice(__('Currency updated successfully.', 'woocommerce'), 'success'); wp_send_json_success(); } add_action('wp_ajax_refresh_cart', 'refresh_cart_on_currency_change'); add_action('wp_ajax_nopriv_refresh_cart', 'refresh_cart_on_currency_change'); // Add custom price fields for different currencies in the product edit page function add_custom_currency_fields() { global $post; echo '

'; $currencies = array( 'USD' => 'US Dollar', 'NGN' => 'Nigerian Naira', 'GHS' => 'Ghanaian Cedi', 'ZAR' => 'South African Rand' ); foreach ($currencies as $currency_code => $currency_label) { woocommerce_wp_text_input(array( 'id' => '_custom_price_' . strtolower($currency_code), 'label' => __('Price in ' . $currency_label, 'woocommerce'), 'desc_tip' => 'true', 'description' => __('Set a fixed price for ' . $currency_label . '.', 'woocommerce'), 'type' => 'number', 'custom_attributes' => array( 'step' => '0.01', 'min' => '0' ), )); } echo '

'; } add_action('woocommerce_product_options_pricing', 'add_custom_currency_fields'); // Save the custom prices function save_custom_currency_fields($post_id) { $currencies = array('USD', 'NGN', 'GHS', 'ZAR'); foreach ($currencies as $currency) { $field_id = '_custom_price_' . strtolower($currency); if (isset($_POST[$field_id])) { update_post_meta($post_id, $field_id, sanitize_text_field($_POST[$field_id])); } } } add_action('woocommerce_process_product_meta', 'save_custom_currency_fields'); // Handle AJAX request to fetch product price based on selected currency function get_product_price_by_currency() { if (!isset($_POST['product_id']) || !isset($_POST['currency'])) { wp_send_json_error(array('message' => 'Invalid request.')); } // Get the product ID and selected currency $product_id = intval($_POST['product_id']); $currency = sanitize_text_field($_POST['currency']); // Ensure WooCommerce session is initialized if (!WC()->session) { WC()->initialize_session(); } // Define your currency symbols mapping (you can modify it) $currency_symbols = array( 'USD' => '$', 'NGN' => '₦', 'GHS' => '₵', 'ZAR' => 'R', ); // Get the custom price for the selected currency $custom_price = get_post_meta($product_id, '_custom_price_' . strtolower($currency), true); // If custom price is not set, use the regular price if (empty($custom_price)) { $product = wc_get_product($product_id); $custom_price = $product->get_price(); } // Get the correct currency symbol $currency_symbol = isset($currency_symbols[$currency]) ? $currency_symbols[$currency] : '$'; // Return the formatted price wp_send_json_success(array( 'price' => $currency_symbol . number_format($custom_price, 2), )); } add_action('wp_ajax_get_product_price', 'get_product_price_by_currency'); add_action('wp_ajax_nopriv_get_product_price', 'get_product_price_by_currency'); Cookware – Joyful-cook