| 1 |
<?php |
| 2 |
/** |
| 3 |
* Product Selection for Checkout |
| 4 |
* |
| 5 |
* This class handles the 'Your Products' section on the checkout page. |
| 6 |
* It allows customers to select/deselect products based on the Product Options settings. |
| 7 |
* |
| 8 |
* Features: |
| 9 |
* - Display a product selection table before the payment section |
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* - Support for three conditions: |
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* 1. restrict_all: All products are selected ( no UI shown ) |
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* 2. select_one: User can select only one product ( radio buttons ) |
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* 3. select_multiple: User can select multiple products ( checkboxes ) |
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* - Real-time cart updates via AJAX |
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* - Responsive design matching WPFunnels patterns |
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* - Shows product images, names, and prices ( with discounts if applied ) |
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* - Prevents cart from being empty ( at least one product must be selected ) |
| 18 |
* |
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* Settings are configured in: |
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* Admin > Funnel > Checkout Step > Products Tab > Product Options |
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* |
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* @package WPFunnels |
| 23 |
* @since 3.2.0 |
| 24 |
*/ |
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|
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namespace WPFunnels\Modules\Frontend\Checkout; |
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|
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use WPFunnels\Wpfnl_functions; |
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|
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class Product_Selection { |
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|
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/** |
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* Constructor |
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*/ |
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|
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public function __construct() { |
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add_action( 'woocommerce_before_order_notes', [ $this, 'render_product_selection' ], 5 ); |
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add_action( 'wp_ajax_wpfnl_update_product_selection', [ $this, 'ajax_update_product_selection' ] ); |
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add_action( 'wp_ajax_nopriv_wpfnl_update_product_selection', [ $this, 'ajax_update_product_selection' ] ); |
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add_action( 'wp_enqueue_scripts', [ $this, 'enqueue_scripts' ] ); |
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} |
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|
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/** |
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* Enqueue scripts and styles |
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*/ |
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|
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public function enqueue_scripts() { |
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if ( ! Wpfnl_functions::check_if_this_is_step_type( 'checkout' ) ) { |
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return; |
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} |
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|
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$step_id = get_the_ID(); |
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$product_options = get_post_meta( $step_id, '_wpfnl_checkout_product_options', true ); |
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|
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// Only enqueue if product options are enabled |
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if ( ! $product_options || 'yes' !== $product_options[ 'isEnabled' ] ) { |
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return; |
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} |
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|
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$condition = isset( $product_options[ 'condition' ] ) ? $product_options[ 'condition' ] : 'restrict_all'; |
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|
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// Don't enqueue if restrict all |
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if ( 'restrict_all' === $condition ) { |
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return; |
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} |
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|
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// Enqueue CSS |
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wp_enqueue_style( |
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'wpfnl-product-selection', |
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WPFNL_URL . 'public/assets/css/wpfnl-product-selection.css', |
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array(), |
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WPFNL_VERSION |
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); |
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|
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// Enqueue JS |
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wp_enqueue_script( |
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'wpfnl-product-selection', |
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WPFNL_URL . 'public/assets/js/wpfnl-product-selection.js', |
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array( 'jquery' ), |
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WPFNL_VERSION, |
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true |
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); |
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|
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// Localize script |
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wp_localize_script( |
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'wpfnl-product-selection', |
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'wpfnl_checkout_product_selection', |
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array( |
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'ajax_url' => admin_url( 'admin-ajax.php' ), |
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'nonce' => wp_create_nonce( 'wpfnl-checkout' ), |
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'step_id' => $step_id, |
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) |
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); |
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} |
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|
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/** |
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* Render product selection section |
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*/ |
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public function render_product_selection() { |
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if ( ! Wpfnl_functions::check_if_this_is_step_type( 'checkout' ) ) { |
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return; |
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} |
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|
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$step_id = get_the_ID(); |
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$product_options = get_post_meta( $step_id, '_wpfnl_checkout_product_options', true ); |
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|
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// Check if product options are enabled |
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if ( ! $product_options || 'yes' !== $product_options['isEnabled'] ) { |
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return; |
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} |
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|
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$condition = isset( $product_options['condition'] ) ? $product_options['condition'] : 'restrict_all'; |
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|
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// Don't show if restrict all |
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if ( 'restrict_all' === $condition ) { |
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return; |
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} |
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|
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$products = get_post_meta( $step_id, '_wpfnl_checkout_products', true ); |
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if ( ! is_array( $products ) || empty( $products ) ) { |
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return; |
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} |
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|
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// Get cart items to determine selected products |
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$cart_items = WC()->cart->get_cart(); |
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$cart_product_ids = array(); |
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foreach ( $cart_items as $cart_item ) { |
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$cart_product_ids[] = $cart_item[ 'product_id' ]; |
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if ( $cart_item[ 'variation_id' ] ) { |
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$cart_product_ids[] = $cart_item[ 'variation_id' ]; |
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} |
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} |
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|
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?> |
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<div class = 'wpfnl-product-selection-wrapper'> |
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<!-- <h3 class = 'wpfnl-product-selection-title'><?php esc_html_e( 'Your Products', 'wpfnl' ); |
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?></h3> --> |
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<div class = 'wpfnl-product-selection-list'> |
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<input type = 'hidden' name = '_wpfunnels_product_option' value = ''> |
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<table class = 'wpfnl-products-table'> |
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<thead> |
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<tr> |
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<th class = 'product-select'><?php esc_html_e( 'SELECT', 'wpfnl' ); |
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?></th> |
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<th class = 'product-name'><?php esc_html_e( 'PRODUCT', 'wpfnl' ); |
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?></th> |
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<th class = 'product-price'><?php esc_html_e( 'PRICE', 'wpfnl' ); |
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?></th> |
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<!-- <th class = 'product-remove'></th> --> |
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</tr> |
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</thead> |
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<tbody> |
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<?php |
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$index = 0; |
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foreach ( $products as $product_data ) { |
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$product_id = $product_data[ 'id' ]; |
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$product = wc_get_product( $product_id ); |
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|
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if ( ! $product || 'trash' === $product->get_status() ) { |
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continue; |
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} |
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|
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$is_selected = in_array( $product_id, $cart_product_ids ); |
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$input_type = 'select_one' === $condition ? 'radio' : 'checkbox'; |
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$input_name = 'select_one' === $condition ? 'wpfnl_selected_product' : 'wpfnl_selected_products[]'; |
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|
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// Get product details |
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$title = $product->get_type() == 'variation' |
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? Wpfnl_functions::get_formated_product_name( $product ) |
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: $product->get_name(); |
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$image = wp_get_attachment_image_src( $product->get_image_id(), 'thumbnail' ); |
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$price = $product->get_price(); |
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|
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// Calculate discount if applied |
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$discount = get_post_meta( $step_id, '_wpfnl_checkout_discount_main_product', true ); |
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$discounted_price = $price; |
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if ( $discount && isset( $discount[ 'discountOptions' ] ) && 'original' !== $discount[ 'discountOptions' ] ) { |
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if ( 'discount-percentage' === $discount[ 'discountOptions' ] ) { |
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$discount_amount = ( $price * $discount[ 'mutedDiscountValue' ] ) / 100; |
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$discounted_price = $price - $discount_amount; |
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} elseif ( 'discount-price' === $discount[ 'discountOptions' ] ) { |
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$discounted_price = $price - $discount[ 'mutedDiscountValue' ]; |
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} |
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} |
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|
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?> |
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<tr class = "wpfnl-product-row <?php echo $is_selected ? 'selected' : ''; ?>" data-product-id = "<?php echo esc_attr( $product_id ); ?>" data-index = "<?php echo esc_attr( $index ); ?>"> |
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<td class = 'product-select'> |
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<input |
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type = "<?php echo esc_attr( $input_type ); ?>" |
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name = "<?php echo esc_attr( $input_name ); ?>" |
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value = "<?php echo esc_attr( $product_id ); ?>" |
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|
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class = 'wpfnl-product-checkbox' |
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<?php checked( $is_selected, true ); |
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?> |
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data-product-id = "<?php echo esc_attr( $product_id ); ?>" |
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data-index = "<?php echo esc_attr( $index ); ?>" |
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/> |
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</td> |
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<td class = 'product-name'> |
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<div class = 'product-info'> |
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<?php if ( $image ) : ?> |
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<img src = "<?php echo esc_url( $image[0] ); ?>" alt = "<?php echo esc_attr( $title ); ?>" class = 'product-image'> |
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<?php endif; |
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?> |
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<span class = 'product-title'><?php echo esc_html( $title ); |
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?></span> |
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</div> |
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</td> |
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<td class = 'product-price'> |
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<?php echo wc_price( $discounted_price ); |
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?> |
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<?php if ( $discounted_price < $price ) : ?> |
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<del><?php echo wc_price( $price ); |
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?></del> |
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<?php endif; |
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?> |
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</td> |
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<!-- <td class = 'product-remove'> |
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<?php if ( $is_selected ) : ?> |
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<button |
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type = 'button' |
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|
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class = 'wpfnl-remove-product' |
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data-product-id = "<?php echo esc_attr( $product_id ); ?>" |
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data-index = "<?php echo esc_attr( $index ); ?>" |
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title = "<?php esc_attr_e( 'Remove product', 'wpfnl' ); ?>" |
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> |
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<svg xmlns = 'http://www.w3.org/2000/svg' viewBox = '0 0 24 24' fill = 'currentColor'> |
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<path d = 'M19 6.41L17.59 5 12 10.59 6.41 5 5 6.41 10.59 12 5 17.59 6.41 19 12 13.41 17.59 19 19 17.59 13.41 12z'/> |
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</svg> |
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</button> |
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<?php endif; |
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?> |
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</td> --> |
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</tr> |
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<?php |
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$index++; |
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} |
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?> |
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</tbody> |
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</table> |
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</div> |
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</div> |
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<?php |
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} |
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|
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/** |
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* AJAX handler to update product selection |
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*/ |
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|
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public function ajax_update_product_selection() { |
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check_ajax_referer( 'wpfnl-checkout', 'security' ); |
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|
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$product_id = isset( $_POST[ 'product_id' ] ) ? absint( $_POST[ 'product_id' ] ) : 0; |
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$action_type = isset( $_POST[ 'action_type' ] ) ? sanitize_text_field( $_POST[ 'action_type' ] ) : 'add'; |
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$step_id = isset( $_POST[ 'step_id' ] ) ? absint( $_POST[ 'step_id' ] ) : get_the_ID(); |
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if ( ! $product_id || ! $step_id ) { |
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wp_send_json_error( array( 'message' => __( 'Invalid request', 'wpfnl' ) ) ); |
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} |
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|
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$product_options = get_post_meta( $step_id, '_wpfnl_checkout_product_options', true ); |
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$condition = isset( $product_options[ 'condition' ] ) ? $product_options[ 'condition' ] : 'restrict_all'; |
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|
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// Get all products from this checkout step |
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$products = get_post_meta( $step_id, '_wpfnl_checkout_products', true ); |
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if ( ! is_array( $products ) || empty( $products ) ) { |
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wp_send_json_error( array( 'message' => __( 'No products found', 'wpfnl' ) ) ); |
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} |
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|
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// Build array of all product IDs and find the selected product data |
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$all_product_ids = array(); |
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$product_data = null; |
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foreach ( $products as $p ) { |
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if ( isset( $p[ 'id' ] ) ) { |
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$all_product_ids[] = absint( $p[ 'id' ] ); |
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if ( absint( $p[ 'id' ] ) === $product_id ) { |
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$product_data = $p; |
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} |
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} |
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} |
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|
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if ( ! $product_data ) { |
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wp_send_json_error( array( 'message' => __( 'Product not found', 'wpfnl' ) ) ); |
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} |
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|
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// Get WooCommerce product object |
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$wc_product = wc_get_product( $product_id ); |
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if ( ! $wc_product ) { |
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wp_send_json_error( array( 'message' => __( 'Invalid product', 'wpfnl' ) ) ); |
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} |
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|
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// Get current cart |
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$cart = WC()->cart->get_cart(); |
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// Find which checkout products are currently in cart |
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$cart_product_ids = array(); |
| 298 |
foreach ( $cart as $cart_item_key => $cart_item ) { |
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$cart_product_id = !empty( $cart_item[ 'variation_id' ] ) ? absint( $cart_item[ 'variation_id' ] ) : absint( $cart_item[ 'product_id' ] ); |
| 300 |
if ( in_array( $cart_product_id, $all_product_ids ) ) { |
| 301 |
$cart_product_ids[ $cart_product_id ] = $cart_item_key; |
| 302 |
} |
| 303 |
} |
| 304 |
|
| 305 |
// Handle based on action type |
| 306 |
if ( 'add' === $action_type ) { |
| 307 |
|
| 308 |
// For RADIO buttons ( select_one ): Remove ALL checkout products, then add ONLY selected one |
| 309 |
if ( 'select_one' === $condition ) { |
| 310 |
// Remove all checkout products from cart |
| 311 |
foreach ( $cart_product_ids as $pid => $cart_key ) { |
| 312 |
WC()->cart->remove_cart_item( $cart_key ); |
| 313 |
} |
| 314 |
|
| 315 |
// Add only the selected product |
| 316 |
$quantity = isset( $product_data[ 'quantity' ] ) ? absint( $product_data[ 'quantity' ] ) : 1; |
| 317 |
|
| 318 |
// Check if it's a variation or simple product |
| 319 |
if ( $wc_product->is_type( 'variation' ) ) { |
| 320 |
$parent_id = $wc_product->get_parent_id(); |
| 321 |
$variation_id = $product_id; |
| 322 |
$cart_item_key = WC()->cart->add_to_cart( $parent_id, $quantity, $variation_id ); |
| 323 |
} else { |
| 324 |
$cart_item_key = WC()->cart->add_to_cart( $product_id, $quantity ); |
| 325 |
} |
| 326 |
|
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if ( ! $cart_item_key ) { |
| 328 |
wp_send_json_error( array( 'message' => __( 'Failed to add product', 'wpfnl' ) ) ); |
| 329 |
} |
| 330 |
|
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WC()->cart->calculate_totals(); wp_send_json_success( array( |
| 332 |
'message' => __( 'Product selected', 'wpfnl' ), |
| 333 |
'cart_hash' => WC()->cart->get_cart_hash(), |
| 334 |
'fragments' => apply_filters( 'woocommerce_update_order_review_fragments', array() ) |
| 335 |
) ); |
| 336 |
} |
| 337 |
|
| 338 |
// For CHECKBOXES (select_multiple): Add selected product (keep others) |
| 339 |
elseif ( 'select_multiple' === $condition ) { |
| 340 |
// Check if product is already in cart |
| 341 |
if ( isset( $cart_product_ids[ $product_id ] ) ) { |
| 342 |
// Already in cart, just return success |
| 343 |
wp_send_json_success( array( |
| 344 |
'message' => __( 'Product already in cart', 'wpfnl' ), |
| 345 |
'cart_hash' => WC()->cart->get_cart_hash(), |
| 346 |
'fragments' => apply_filters( 'woocommerce_update_order_review_fragments', array() ) |
| 347 |
) ); |
| 348 |
} |
| 349 |
|
| 350 |
// Add product to cart |
| 351 |
$quantity = isset( $product_data['quantity'] ) ? absint( $product_data['quantity'] ) : 1; |
| 352 |
|
| 353 |
// Check if it's a variation or simple product |
| 354 |
if ( $wc_product->is_type( 'variation' ) ) { |
| 355 |
$parent_id = $wc_product->get_parent_id(); |
| 356 |
$variation_id = $product_id; |
| 357 |
$cart_item_key = WC()->cart->add_to_cart( $parent_id, $quantity, $variation_id ); |
| 358 |
} else { |
| 359 |
$cart_item_key = WC()->cart->add_to_cart( $product_id, $quantity ); |
| 360 |
} |
| 361 |
|
| 362 |
if ( ! $cart_item_key ) { |
| 363 |
wp_send_json_error( array( 'message' => __( 'Failed to add product', 'wpfnl' ) ) ); |
| 364 |
} |
| 365 |
WC()->cart->calculate_totals(); |
| 366 |
|
| 367 |
wp_send_json_success( array( |
| 368 |
'message' => __( 'Product added to cart', 'wpfnl' ), |
| 369 |
'cart_hash' => WC()->cart->get_cart_hash(), |
| 370 |
'fragments' => apply_filters( 'woocommerce_update_order_review_fragments', array() ) |
| 371 |
) ); |
| 372 |
} |
| 373 |
|
| 374 |
} elseif ( 'remove' === $action_type ) { |
| 375 |
// Remove the product from cart |
| 376 |
WC()->cart->remove_cart_item( $cart_product_ids[ $product_id ] ); |
| 377 |
|
| 378 |
wp_send_json_success( array( |
| 379 |
'message' => __( 'Product removed from cart', 'wpfnl' ), |
| 380 |
'cart_hash' => WC()->cart->get_cart_hash(), |
| 381 |
'fragments' => apply_filters( 'woocommerce_update_order_review_fragments', array() ) |
| 382 |
) ); |
| 383 |
} |
| 384 |
|
| 385 |
wp_send_json_error( array( 'message' => __( 'Invalid action', 'wpfnl' ) ) ); |
| 386 |
} |
| 387 |
} |
| 388 |
|
| 389 |
new Product_Selection(); |
| 390 |
|
