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<?php |
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// phpcs:disable |
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/** |
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* Disco |
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* |
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* @package Disco |
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* @author Ohidul Islam <wahid0003@gmail.com> |
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* @link http://domain.tld |
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* @license GPL 2.0+ |
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* @copyright 2022 WebAppick |
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*/ |
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|
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// Ensure the file is not accessed directly. |
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if (!defined('ABSPATH')) { |
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exit; |
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} |
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|
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use Disco\App\Disco; |
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use Disco\App\Utility\Helper; |
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|
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if ( ! function_exists( 'disco_cart_apply_free_items' ) ) { |
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/** |
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* Apply free items to the cart based on BOGO rules. |
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* |
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* @param \WC_Cart $cart Cart Object. |
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*/ |
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function disco_cart_apply_free_items( $cart ) { |
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if ( is_admin() && ! defined( 'DOING_AJAX' ) ) { |
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return; |
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} |
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|
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// Prevent multiple executions during the same request |
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static $is_processing = false; |
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if ( $is_processing ) { |
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return; |
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} |
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|
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if ( $cart->is_empty() ) { |
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return; |
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} |
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|
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$is_processing = true; |
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|
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try { |
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// Calculate discounts - free products are automatically excluded in IntentHelper |
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$disco = new Disco(); |
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$discounts = $disco->get_cart_items_discount_for_bogo( $cart ); |
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$discounts = is_array( $discounts ) ? $discounts : array(); |
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|
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$free_ids = $discounts['get_ids'] ?? array(); |
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$free_qty = $discounts['get_qty'] ?? 0; |
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$bogo_type = $discounts['bogo_type'] ?? 'products'; |
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|
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// Only process if we have valid discount data |
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if ( ! empty( $free_qty ) && ! empty( $free_ids ) ) { |
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// Remove invalid free items from cart |
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disco_remove_invalid_free_items( $cart, $free_ids, $bogo_type ); |
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|
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// Add or update free items |
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if ( $bogo_type === 'categories' ) { |
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disco_apply_category_based_free_items( $cart, $free_ids, $free_qty ); |
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} else { |
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disco_apply_product_based_free_items( $cart, $free_ids, $free_qty ); |
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} |
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} else { |
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// No valid BOGO, remove all free items |
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disco_remove_all_free_items( $cart ); |
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} |
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} finally { |
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$is_processing = false; |
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} |
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} |
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|
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add_action( 'woocommerce_before_calculate_totals', 'disco_cart_apply_free_items', 5 ); |
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} |
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|
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if ( ! function_exists( 'disco_remove_all_free_items' ) ) { |
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/** |
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* Remove all free items from cart when BOGO criteria are no longer met. |
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* |
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* @param \WC_Cart $cart Cart Object. |
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*/ |
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function disco_remove_all_free_items( $cart ) { |
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$items_to_remove = array(); |
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|
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foreach ( $cart->get_cart() as $cart_item_key => $cart_item ) { |
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if ( ! empty( $cart_item['is_free_product'] ) ) { |
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$items_to_remove[] = $cart_item_key; |
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} |
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} |
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|
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foreach ( $items_to_remove as $cart_item_key ) { |
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$cart->remove_cart_item( $cart_item_key ); |
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} |
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} |
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} |
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|
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if ( ! function_exists( 'disco_remove_invalid_free_items' ) ) { |
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/** |
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* Remove free items that are no longer valid. |
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* |
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* @param \WC_Cart $cart Cart Object. |
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* @param array $free_ids Valid free product/category IDs. |
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* @param string $bogo_type Type of BOGO (products/categories). |
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*/ |
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function disco_remove_invalid_free_items( $cart, $free_ids, $bogo_type ) { |
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$items_to_remove = array(); |
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|
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foreach ( $cart->get_cart() as $cart_item_key => $cart_item ) { |
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if ( empty( $cart_item['is_free_product'] ) ) { |
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continue; |
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} |
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|
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$product_id = $cart_item['product_id']; |
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$should_remove = false; |
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|
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if ( empty( $free_ids ) ) { |
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// No valid free items, remove all free products |
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$should_remove = true; |
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} elseif ( $bogo_type === 'categories' ) { |
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// Check if product is in valid categories |
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$should_remove = ! Helper::is_in_category( $product_id, $free_ids ); |
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} else { |
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// Check if product ID is in valid list |
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$should_remove = ! in_array( $product_id, $free_ids, true ); |
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} |
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|
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if ( $should_remove ) { |
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$items_to_remove[] = $cart_item_key; |
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} |
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} |
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|
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// Remove items after iteration to avoid modifying array during loop |
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foreach ( $items_to_remove as $cart_item_key ) { |
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$cart->remove_cart_item( $cart_item_key ); |
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} |
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} |
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} |
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|
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if ( ! function_exists( 'disco_apply_category_based_free_items' ) ) { |
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/** |
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* Apply free items based on category rules. |
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* |
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* @param \WC_Cart $cart Cart Object. |
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* @param array $free_ids Category IDs for free products. |
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* @param int $free_qty Quantity of free items allowed. |
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*/ |
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function disco_apply_category_based_free_items( $cart, $free_ids, $free_qty ) { |
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// First, enforce quantity limits on existing free items and count them |
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$existing_free_count = 0; |
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|
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foreach ( $cart->get_cart() as $cart_item_key => $cart_item ) { |
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if ( ! empty( $cart_item['is_free_product'] ) ) { |
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$product_id = $cart_item['product_id']; |
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|
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if ( Helper::is_in_category( $product_id, $free_ids ) ) { |
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$item_qty = $cart_item['quantity']; |
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|
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// Check if this item's quantity exceeds remaining allowed free qty |
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$remaining_allowed = $free_qty - $existing_free_count; |
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|
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if ( $item_qty > $remaining_allowed && $remaining_allowed > 0 ) { |
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// Reduce quantity to allowed amount |
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$cart->set_quantity( $cart_item_key, $remaining_allowed ); |
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$existing_free_count += $remaining_allowed; |
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} elseif ( $remaining_allowed <= 0 ) { |
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// No more free items allowed, remove free flag or remove item |
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$cart->remove_cart_item( $cart_item_key ); |
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} else { |
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$existing_free_count += $item_qty; |
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} |
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} |
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} |
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} |
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|
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// Calculate how many more items we can mark as free |
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$remaining_free_qty = $free_qty - $existing_free_count; |
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|
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if ( $remaining_free_qty <= 0 ) { |
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return; // Already have enough free items |
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} |
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|
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$free_count = 0; |
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|
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foreach ( $cart->get_cart() as $cart_item_key => $cart_item ) { |
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if ( $free_count >= $remaining_free_qty ) { |
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break; |
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} |
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|
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// Skip items already marked as free |
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if ( ! empty( $cart_item['is_free_product'] ) ) { |
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continue; |
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} |
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|
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$product_id = $cart_item['product_id']; |
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|
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if ( Helper::is_in_category( $product_id, $free_ids ) ) { |
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$qty_to_mark = $remaining_free_qty - $free_count; |
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|
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// Only mark item free if the full quantity fits |
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if ( $cart_item['quantity'] <= $qty_to_mark ) { |
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$cart->cart_contents[ $cart_item_key ]['is_free_product'] = true; |
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$free_count += $cart_item['quantity']; |
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} |
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} |
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} |
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} |
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} |
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|
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if ( ! function_exists( 'disco_apply_product_based_free_items' ) ) { |
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/** |
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* Apply free items based on product rules. |
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* |
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* @param \WC_Cart $cart Cart Object. |
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* @param array $free_ids Product IDs for free products. |
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* @param int $free_qty Quantity of free items. |
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*/ |
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function disco_apply_product_based_free_items( $cart, $free_ids, $free_qty ) { |
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foreach ( $free_ids as $product_id ) { |
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$found = false; |
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|
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foreach ( $cart->get_cart() as $cart_item_key => $cart_item ) { |
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if ( |
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intval( $cart_item['product_id'] ) === intval( $product_id ) |
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&& ! empty( $cart_item['is_free_product'] ) |
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) { |
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$current_qty = $cart_item['quantity']; |
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if ( $current_qty !== $free_qty ) { |
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$cart->set_quantity( $cart_item_key, $free_qty ); |
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} |
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$found = true; |
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break; |
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} |
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} |
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|
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if ( ! $found ) { |
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$cart->add_to_cart( $product_id, $free_qty, 0, array(), array( 'is_free_product' => true ) ); |
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} |
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} |
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} |
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} |
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|
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if ( ! function_exists( 'disco_set_free_product_price' ) ) { |
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/** |
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* Set the price of free products to zero. |
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* |
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* @param \WC_Cart $cart Cart Object. |
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*/ |
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function disco_set_free_product_price( $cart ) { |
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if ( is_admin() && ! defined( 'DOING_AJAX' ) ) { |
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return; |
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} |
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|
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foreach ( $cart->get_cart() as $cart_item_key => $cart_item ) { |
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if ( empty( $cart_item['is_free_product'] ) ) { |
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continue; |
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} |
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|
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$cart_item['data']->set_price( 0 ); |
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$cart_item['data']->set_regular_price( 0 ); |
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$cart->cart_contents[ $cart_item_key ]['free_product_note'] = __( 'This item is added as free!', 'disco' ); |
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} |
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} |
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add_action( 'woocommerce_before_calculate_totals', 'disco_set_free_product_price', 10 ); |
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} |
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|
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if ( ! function_exists( 'disco_free_product_label' ) ) { |
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/** |
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* Display free product label in cart. |
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* |
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* @param array $item_data Item data. |
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* @param array $cart_item Cart item. |
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* @return array |
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*/ |
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function disco_free_product_label( $item_data, $cart_item ) { |
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if ( ! empty( $cart_item['free_product_note'] ) ) { |
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$item_data[] = array( |
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'key' => __( 'Note', 'disco' ), |
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'value' => $cart_item['free_product_note'], |
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); |
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} |
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return $item_data; |
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} |
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|
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add_filter( 'woocommerce_get_item_data', 'disco_free_product_label', 10, 2 ); |
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} |
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|
