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<?php |
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|
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namespace FluentCart\App\Helpers; |
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|
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use FluentCart\Api\CurrencySettings; |
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use FluentCart\Api\Resource\FrontendResource\CartResource; |
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use FluentCart\App\App; |
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use FluentCart\App\Models\Cart; |
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use FluentCart\App\Models\Customer; |
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use FluentCart\App\Models\Product; |
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use FluentCart\App\Models\ProductVariation; |
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use FluentCart\App\Models\ShippingClass; |
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use FluentCart\App\Models\ShippingMethod; |
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use FluentCart\App\Services\CheckoutService; |
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use FluentCart\App\Services\URL; |
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use FluentCart\Framework\Support\Arr; |
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|
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class CartHelper |
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{ |
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const MAX_QUANTITY = 100000; |
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|
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const QUANTITY_HARD_LIMIT = 10000000; |
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|
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/** |
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* The ceiling is what keeps `unit_price * quantity` inside PHP's integer range — |
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* without one the product overflows to a float and casts back to a wrapped total. |
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* Cart updates send a signed delta, so those allow the negative side too. |
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*/ |
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public static function validateQuantity($quantity, $isDelta = false) |
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{ |
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if (!is_numeric($quantity)) { |
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return static::invalidQuantityError(); |
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} |
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|
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$max = static::maxQuantity(); |
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$value = (float)$quantity; |
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$min = $isDelta ? -$max : 1; |
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|
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if ($value != floor($value) || $value < $min || $value > $max) { |
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return static::invalidQuantityError(); |
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} |
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|
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return null; |
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} |
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|
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public static function maxQuantity() |
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{ |
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/** |
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* Filter the highest quantity a single cart line accepts. |
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* |
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* Return a whole number of one or more. The value is a safety ceiling, not just |
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* a storefront preference: it is what keeps a line's price multiplication inside |
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* PHP's integer range. A value that cannot serve that purpose is ignored — a |
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* non-numeric or fractional value falls back to the default, and anything above |
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* QUANTITY_HARD_LIMIT is capped there. |
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* |
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* @param int $maxQuantity Highest accepted quantity for one cart line. |
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*/ |
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$max = apply_filters('fluent_cart/cart/max_quantity', self::MAX_QUANTITY); |
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|
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if (!is_numeric($max) || (float)$max != floor((float)$max) || $max < 1) { |
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return self::MAX_QUANTITY; |
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} |
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|
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return (int)min($max, self::QUANTITY_HARD_LIMIT); |
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} |
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|
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private static function invalidQuantityError() |
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{ |
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/* translators: %d: the highest quantity a single cart line accepts. */ |
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$message = __('Please enter a product quantity between 1 and %d.', 'fluent-cart'); |
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|
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return new \WP_Error('invalid_cart_quantity', sprintf($message, static::maxQuantity())); |
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} |
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|
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public static function getCart($hash = null, $create = false) |
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{ |
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return CartResource::get([ |
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'hash' => $hash ?? App::request()->get(Helper::INSTANT_CHECKOUT_URL_PARAM), |
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'create' => $create |
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]); |
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} |
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|
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public static function generateCartItemFromVariation(ProductVariation $variation, $quantity = 1): array |
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{ |
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$mediaUrl = $variation->thumbnail ?: $variation->product->thumbnail; |
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|
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// $shippingCharge = static::calculateShippingCharge($variation, $quantity); |
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|
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$itemPrice = apply_filters('fluent_cart/cart/item_price', $variation->item_price, [ |
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'variation' => $variation, |
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'quantity' => $quantity, |
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]); |
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|
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// Ensure filtered price is a valid non-negative integer (cents) |
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$itemPrice = max(0, (int)$itemPrice); |
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|
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$subtotal = $itemPrice * $quantity; |
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|
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//Need to test and check this toArray Issue |
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$data = wp_parse_args([ |
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'quantity' => $quantity, |
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'price' => $itemPrice, |
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'unit_price' => $itemPrice, |
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'line_total' => $itemPrice * $quantity, |
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'subtotal' => $subtotal, |
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'discount_total' => 0, |
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'tax_total' => 0, |
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'line_total_formatted' => CurrencySettings::getFormattedPrice($subtotal), |
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'object_id' => $variation->id, |
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'title' => $variation->variation_title, |
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'post_title' => $variation->product->post_title, |
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'coupon_discount' => 0, |
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'cost' => $variation->item_cost ?? 0, |
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'featured_media' => $mediaUrl, |
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'view_url' => URL::appendQueryParams( |
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$variation->product->view_url, |
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[ |
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'selected' => $variation->id |
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] |
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), |
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// Property access lazy-loads when callers didn't eager-load |
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// product_detail (instant-checkout, cart update endpoint) so |
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// CartRenderer can read variation_type to toggle the |
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// variant-title-hidden class on simple products. |
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'variation_type' => $variation->product_detail ? $variation->product_detail->variation_type : '', |
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'is_custom' => false, |
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], $variation->toArray()); |
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|
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$cartItem = Arr::only($data, [ |
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'id', |
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'object_id', |
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'post_id', |
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'quantity', |
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'post_title', |
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'title', |
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'price', |
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'unit_price', |
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'coupon_discount', |
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'fulfillment_type', |
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'featured_media', |
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'other_info', |
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'cost', |
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'view_url', |
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'line_total_formatted', |
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'line_total', |
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'subtotal', |
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'total', |
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'variation_type', |
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'is_custom' |
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]); |
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|
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// $cartItem['shipping_charge'] = $shippingCharge; |
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|
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// Snapshot the variant's attribute set (pa_* + third-party) into |
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// other_info so cart, checkout and the resulting order item all carry a |
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// frozen attribute map that survives later attribute-library renames. |
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$otherInfo = Arr::get($cartItem, 'other_info', []); |
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if (!is_array($otherInfo)) { |
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$otherInfo = []; |
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} |
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$otherInfo['item_attributes'] = AttributeHelper::getProductItemAttributes( |
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$variation->id, |
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$variation->post_id |
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); |
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$cartItem['other_info'] = $otherInfo; |
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|
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return $cartItem; |
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} |
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|
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public static function generateCartItemCustomItem(array $variation, $quantity = 1): array |
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{ |
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//Need to test and check this toArray Issue |
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$data = wp_parse_args( |
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[ |
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'quantity' => $quantity, |
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'price' => Arr::get($variation, 'item_price'), |
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'unit_price' => Arr::get($variation, 'item_price'), |
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'object_id' => Arr::get($variation, 'id'), |
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'tax_amount' => Arr::get($variation, 'tax_amount', 0), |
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'title' => Arr::get($variation, 'variation_title'), |
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'post_title' => Arr::get($variation, 'post_title'), |
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'cost' => Arr::get($variation, 'item_cost', 0), |
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'featured_media' => Arr::get($variation, 'featured_media'), |
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'view_url' => Arr::get($variation, 'view_url'), |
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'variation_type' => Arr::get($variation, 'variation_type'), |
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'is_custom' => Arr::get($variation, 'is_custom', false), |
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], |
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$variation |
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); |
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|
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$manualDiscount = Arr::get($data, 'manual_discount', 0); |
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$couponDiscount = Arr::get($data, 'coupon_discount', 0); |
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$discountTotal = $manualDiscount + $couponDiscount; |
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$itemPrice = Arr::get($data, 'item_price', 0); |
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if (!is_numeric($itemPrice)) { |
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$itemPrice = 0; |
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} |
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$subtotal = $itemPrice * Arr::get($data, 'quantity'); |
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|
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$data['subtotal'] = $subtotal; |
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$data['manual_discount'] = $manualDiscount; |
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$data['coupon_discount'] = $couponDiscount; |
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$data['discount_total'] = $discountTotal; |
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$data['line_total'] = $subtotal - $discountTotal; |
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|
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$cartItem = Arr::only($data, [ |
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'id', |
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'object_id', |
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'post_id', |
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'quantity', |
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'post_title', |
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'title', |
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'price', |
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'unit_price', |
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'manual_discount', |
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'coupon_discount', |
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'discount_total', |
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'fulfillment_type', |
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'featured_media', |
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'other_info', |
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'cost', |
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'view_url', |
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'line_total', |
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'subtotal', |
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'total', |
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'variation_type', |
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'is_custom' |
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]); |
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|
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return $cartItem; |
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} |
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|
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public static function calculateShippingCharge(ProductVariation $variation, int $quantity = 1) |
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{ |
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|
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if ($variation->fulfillment_type !== 'physical') { |
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return 0; |
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} |
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|
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$shippingClass = $variation->shippingClass; |
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|
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if (!$shippingClass) { |
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return 0; |
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} |
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|
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$factor = empty($shippingClass->per_item) ? 1 : $quantity; |
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if ($shippingClass->type === 'percentage') { |
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return ($shippingClass->cost / 100) * $variation->item_price * $factor; |
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} |
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|
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return ($shippingClass->cost * 100) * $factor; |
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} |
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|
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private static function itemHasFreeShipping($item): bool |
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{ |
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return Arr::get($item, 'other_info.free_shipping', 'no') === 'yes'; |
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} |
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|
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private static function excludeFreeShippingPhysicalItems(array &$items, array &$physicalItems): void |
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{ |
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foreach ($physicalItems as $key => $item) { |
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if (self::itemHasFreeShipping($item)) { |
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$items[$key]['shipping_charge'] = 0; |
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$items[$key]['itemwise_shipping_charge'] = 0; |
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unset($physicalItems[$key]); |
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} |
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} |
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} |
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|
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public static function calculateShippingMethodCharge(ShippingMethod $method, ?array $items = null, $returnType = 'amount') |
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{ |
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static $onceCalculated = false; |
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static $lastFingerprint = null; |
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static $products = null; |
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static $shippingClasses = null; |
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|
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// Per-call locals: $physicalItems/$isAllDigital are rebuilt fresh from $items on every |
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// call (via CheckoutService below), and $totalItemPrice/$totalQuantity/ |
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// $totalShippingCharge/$maxShippingCharge are accumulated fresh in the per-item |
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// annotation loop below, so none of them may persist across calls — only the |
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// $products/$shippingClasses DB lookups above are worth caching per request. |
| 283 |
$totalItemPrice = 0; |
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$totalQuantity = 0; |
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$physicalItems = []; |
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$isAllDigital = false; |
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$maxShippingCharge = 0; |
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$totalShippingCharge = 0; |
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$isUsingCart = false; |
| 290 |
|
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if ($items === null) { |
| 292 |
$isUsingCart = true; |
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$items = static::getCart()->cart_data ?? []; |
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} |
| 295 |
|
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// Fingerprint the resolved method + items so a same-request call with changed |
| 297 |
// cart items (e.g. an item added/removed after ShippingModule::handleItemsChanges |
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// re-runs this calc) is never mistaken for a repeat of the previous call. Must be |
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// computed from the RESOLVED $items (post null → cart fallback above), not the raw |
| 300 |
// argument, otherwise a null-argument call would fingerprint differently from the |
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// cart data it resolves to. Fields: id/object_id/variation_id, quantity, line_total, |
| 302 |
// free_shipping, post_id, unit_price, discount_total. |
| 303 |
$fingerprint = md5(serialize([ |
| 304 |
$method->id, |
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array_map(function ($item) { |
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return [ |
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Arr::get($item, 'id', Arr::get($item, 'object_id', Arr::get($item, 'variation_id'))), |
| 308 |
Arr::get($item, 'quantity'), |
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Arr::get($item, 'line_total'), |
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self::itemHasFreeShipping($item) ? 'yes' : 'no', |
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Arr::get($item, 'post_id'), |
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Arr::get($item, 'unit_price'), |
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Arr::get($item, 'discount_total'), |
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]; |
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}, $items), |
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])); |
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|
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// Reset the cached-lookup guard when the method/items fingerprint changes to prevent |
| 319 |
// stale $products/$shippingClasses from a previous call in the same request (replaces |
| 320 |
// the old $lastMethodId check, which missed same-method-id calls made with different |
| 321 |
// items). The per-call locals above are already reinitialized on every call, so only |
| 322 |
// the "once" guard needs resetting here. |
| 323 |
if ($lastFingerprint !== $fingerprint) { |
| 324 |
$onceCalculated = false; |
| 325 |
$lastFingerprint = $fingerprint; |
| 326 |
} |
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|
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if ($method->type === 'free_shipping') { |
| 329 |
if ($returnType === 'items') { |
| 330 |
if ($items === null) { |
| 331 |
$items = static::getCart()->cart_data ?? []; |
| 332 |
} |
| 333 |
foreach ($items as $key => $item) { |
| 334 |
$items[$key]['shipping_charge'] = 0; |
| 335 |
$items[$key]['itemwise_shipping_charge'] = 0; |
| 336 |
} |
| 337 |
return [ |
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'items' => $items, |
| 339 |
'shipping_amount' => 0 |
| 340 |
]; |
| 341 |
} |
| 342 |
return 0; |
| 343 |
} |
| 344 |
|
| 345 |
$cartCheckoutService = new CheckoutService($items); |
| 346 |
$isAllDigital = $cartCheckoutService->isAllDigital(); |
| 347 |
$physicalItems = $cartCheckoutService->physicalItems; |
| 348 |
|
| 349 |
// Exclude only physical items marked for free shipping from charge calculation. |
| 350 |
static::excludeFreeShippingPhysicalItems($items, $physicalItems); |
| 351 |
|
| 352 |
// No shipping is charged for all-digital carts or when every physical item has free shipping. |
| 353 |
if ($isAllDigital || empty($physicalItems)) { |
| 354 |
if ($returnType === 'items') { |
| 355 |
foreach ($items as $key => $item) { |
| 356 |
$items[$key]['shipping_charge'] = 0; |
| 357 |
$items[$key]['itemwise_shipping_charge'] = 0; |
| 358 |
} |
| 359 |
return [ |
| 360 |
'items' => $items, |
| 361 |
'shipping_amount' => 0 |
| 362 |
]; |
| 363 |
} |
| 364 |
return 0; |
| 365 |
} |
| 366 |
|
| 367 |
if (!$onceCalculated) { |
| 368 |
$onceCalculated = true; |
| 369 |
$productIds = array_unique(array_column($physicalItems, 'post_id')); |
| 370 |
$products = Product::query()->whereIn('ID', $productIds) |
| 371 |
->with(['detail']) |
| 372 |
->get() |
| 373 |
->keyBy('ID'); |
| 374 |
|
| 375 |
$shippingClassIds = $products->pluck('detail.other_info.shipping_class')->filter(function ($item) { |
| 376 |
return !empty($item); |
| 377 |
})->toArray(); |
| 378 |
|
| 379 |
$shippingClasses = ShippingClass::query()->whereIn('id', $shippingClassIds)->get()->keyBy('id'); |
| 380 |
} |
| 381 |
|
| 382 |
// Per-item annotation must run on every call, not gated behind $onceCalculated: |
| 383 |
// $physicalItems is always re-derived fresh from the current $items argument above, so |
| 384 |
// a cache-hit call still needs its own $items populated with shipping_charge and its |
| 385 |
// own totals accumulated. Only the $products/$shippingClasses DB lookups above are |
| 386 |
// safe to reuse across calls in the same request. |
| 387 |
foreach ($physicalItems as $key => &$item) { |
| 388 |
$totalQuantity += Arr::get($item, 'quantity'); |
| 389 |
$totalItemPrice += (Arr::get($item, 'quantity') * Arr::get($item, 'unit_price')) - Arr::get($item, 'discount_total'); |
| 390 |
$itemShippingCharge = 0; |
| 391 |
|
| 392 |
$product = $products->get(Arr::get($item, 'post_id')); |
| 393 |
|
| 394 |
|
| 395 |
if (isset($product->detail->other_info['shipping_class'])) { |
| 396 |
// shipping_class is null or not defined |
| 397 |
$shippingClass = $shippingClasses->get( |
| 398 |
$product->detail->other_info['shipping_class'] |
| 399 |
); |
| 400 |
|
| 401 |
if ($shippingClass) { |
| 402 |
$perItem = $shippingClass->per_item; |
| 403 |
$factor = empty($perItem) ? 1 : Arr::get($item, 'quantity'); |
| 404 |
if ($shippingClass->type === 'percentage') { |
| 405 |
$itemShippingCharge = ($shippingClass->cost / 100) * Arr::get($item, 'unit_price') * $factor; |
| 406 |
} else { |
| 407 |
$itemShippingCharge = Helper::toCent($shippingClass->cost) * $factor; |
| 408 |
} |
| 409 |
} |
| 410 |
} |
| 411 |
$item['shipping_charge'] = $itemShippingCharge; |
| 412 |
$totalShippingCharge += $itemShippingCharge; |
| 413 |
|
| 414 |
$items[$key] = $item; |
| 415 |
$maxShippingCharge = max($maxShippingCharge, $itemShippingCharge); |
| 416 |
} |
| 417 |
unset($item); |
| 418 |
|
| 419 |
$settings = Arr::wrap($method->settings); |
| 420 |
$configureRate = Arr::get($settings, 'configure_rate', 'per_order'); |
| 421 |
$classAggregation = Arr::get($settings, 'class_aggregation', 'sum_all'); |
| 422 |
|
| 423 |
if ($configureRate === 'per_order') { |
| 424 |
$shippingMethodAmount = $method->amount * 100; |
| 425 |
} else if ($configureRate === 'per_price') { |
| 426 |
$shippingMethodAmount = $totalItemPrice * ($method->amount / 100); |
| 427 |
} else if ($configureRate === 'per_weight') { |
| 428 |
// Sum (product weight + package weight) * quantity for all physical items |
| 429 |
$storeWeightUnit = Helper::shopConfig('weight_unit') ?: 'kg'; |
| 430 |
$totalWeight = 0; |
| 431 |
|
| 432 |
// Batch-load all variations to avoid N+1 |
| 433 |
$variationIds = array_filter(array_map(function ($item) { |
| 434 |
return Arr::get($item, 'object_id', Arr::get($item, 'variation_id')); |
| 435 |
}, $physicalItems)); |
| 436 |
$variationsMap = $variationIds ? ProductVariation::query()->whereIn('id', $variationIds)->get()->keyBy('id') : new \FluentCart\Framework\Support\Collection(); |
| 437 |
|
| 438 |
foreach ($physicalItems as $item) { |
| 439 |
$variationId = Arr::get($item, 'object_id', Arr::get($item, 'variation_id')); |
| 440 |
if ($variationId) { |
| 441 |
$variation = $variationsMap->get($variationId); |
| 442 |
if ($variation) { |
| 443 |
$otherInfo = $variation->other_info ?: []; |
| 444 |
$productWeight = floatval(Arr::get($otherInfo, 'weight', 0)); |
| 445 |
$productWeightUnit = Arr::get($otherInfo, 'weight_unit', $storeWeightUnit); |
| 446 |
|
| 447 |
// Convert product weight to store unit |
| 448 |
$convertedProductWeight = Helper::convertWeight($productWeight, $productWeightUnit, $storeWeightUnit); |
| 449 |
|
| 450 |
// Add package weight |
| 451 |
$packageSlug = Arr::get($otherInfo, 'package_slug', ''); |
| 452 |
$package = Helper::getPackageBySlug($packageSlug); |
| 453 |
$packageWeight = 0; |
| 454 |
if ($package) { |
| 455 |
$packageWeightUnit = Arr::get($package, 'weight_unit', $storeWeightUnit); |
| 456 |
$packageWeight = Helper::convertWeight( |
| 457 |
floatval(Arr::get($package, 'weight', 0)), |
| 458 |
$packageWeightUnit, |
| 459 |
$storeWeightUnit |
| 460 |
); |
| 461 |
} |
| 462 |
|
| 463 |
$totalWeight += ($convertedProductWeight + $packageWeight) * Arr::get($item, 'quantity', 1); |
| 464 |
} |
| 465 |
} |
| 466 |
} |
| 467 |
|
| 468 |
// Look up matching tier from weight_tiers |
| 469 |
$weightTiers = Arr::get($settings, 'weight_tiers', []); |
| 470 |
$shippingMethodAmount = 0; |
| 471 |
foreach ($weightTiers as $tier) { |
| 472 |
$min = floatval(Arr::get($tier, 'min', 0)); |
| 473 |
$max = floatval(Arr::get($tier, 'max', 0)); |
| 474 |
$cost = floatval(Arr::get($tier, 'cost', 0)); |
| 475 |
|
| 476 |
if ($totalWeight >= $min && ($max <= 0 || $totalWeight <= $max)) { |
| 477 |
$shippingMethodAmount = Helper::toCent($cost); |
| 478 |
break; |
| 479 |
} |
| 480 |
} |
| 481 |
} else { |
| 482 |
$shippingMethodAmount = $method->amount * $totalQuantity * 100; |
| 483 |
} |
| 484 |
|
| 485 |
if ($classAggregation === 'highest_class') { |
| 486 |
$shippingMethodAmount += $maxShippingCharge; |
| 487 |
} else { |
| 488 |
$shippingMethodAmount += $totalShippingCharge; |
| 489 |
} |
| 490 |
|
| 491 |
$shippingMethodAmount = (int)round($shippingMethodAmount); |
| 492 |
|
| 493 |
$remainingShippingMethodAmount = ($shippingMethodAmount - $totalShippingCharge); |
| 494 |
|
| 495 |
// Distribution must run on every call (not gated behind a "once" flag): $physicalItems |
| 496 |
// above is always re-derived fresh from the current $items argument regardless of the |
| 497 |
// $onceCalculated cache, so a cached call still needs its own $items populated with |
| 498 |
// itemwise_shipping_charge — a stale "already distributed" flag would leave a freshly |
| 499 |
// passed-in items array with missing/zero shares even though the fingerprint matched. |
| 500 |
$totalLineTotal = array_sum(array_column($physicalItems, 'line_total')); |
| 501 |
$distributed = 0; |
| 502 |
$itemCount = count($physicalItems); |
| 503 |
$lastIndex = array_key_last($physicalItems); |
| 504 |
|
| 505 |
foreach ($physicalItems as $key => $item) { |
| 506 |
if ($key === $lastIndex) { |
| 507 |
// Last item takes the exact remainder — per-item rounding must never |
| 508 |
// change the total the customer is charged for shipping. |
| 509 |
$share = (int) round($remainingShippingMethodAmount - $distributed); |
| 510 |
} elseif ($totalLineTotal > 0) { |
| 511 |
$share = (int) round(($item['line_total'] / $totalLineTotal) * $remainingShippingMethodAmount); |
| 512 |
} else { |
| 513 |
$share = (int) round($remainingShippingMethodAmount / $itemCount); |
| 514 |
} |
| 515 |
$items[$key]['itemwise_shipping_charge'] = $share; |
| 516 |
$distributed += $share; |
| 517 |
} |
| 518 |
|
| 519 |
if ($isUsingCart) { |
| 520 |
$cart = CartHelper::getCart(); |
| 521 |
$cart->cart_data = $items; |
| 522 |
$cart->save(); |
| 523 |
|
| 524 |
do_action('fluent_cart/checkout/shipping_data_changed', [ |
| 525 |
'cart' => $cart |
| 526 |
]); |
| 527 |
} |
| 528 |
|
| 529 |
if ($returnType === 'items') { |
| 530 |
return [ |
| 531 |
'items' => $items, |
| 532 |
'shipping_amount' => $shippingMethodAmount |
| 533 |
]; |
| 534 |
} |
| 535 |
|
| 536 |
return $shippingMethodAmount; |
| 537 |
} |
| 538 |
|
| 539 |
/** |
| 540 |
* Calculate shipping charges using the profile-based approach. |
| 541 |
* Groups cart items by shipping class, finds applicable methods per profile, |
| 542 |
* falls back to General zones when no class-specific zones exist. |
| 543 |
* |
| 544 |
* @param int $shippingMethodId The selected shipping method ID |
| 545 |
* @param array $cartItems Cart items |
| 546 |
* @param string $country Country code |
| 547 |
* @param string|null $state State code |
| 548 |
* @param string $returnType 'amount' or 'items' |
| 549 |
* @return int|array |
| 550 |
*/ |
| 551 |
public static function calculateShippingByProfile($shippingMethodId, $cartItems, $country, $state = null, $returnType = 'amount') |
| 552 |
{ |
| 553 |
$cartCheckoutService = new CheckoutService($cartItems); |
| 554 |
$isAllDigital = $cartCheckoutService->isAllDigital(); |
| 555 |
$physicalItems = $cartCheckoutService->physicalItems; |
| 556 |
|
| 557 |
// Exclude only physical items marked for free shipping from profile-based charges. |
| 558 |
static::excludeFreeShippingPhysicalItems($cartItems, $physicalItems); |
| 559 |
|
| 560 |
// No shipping is charged for all-digital carts or when every physical item has free shipping. |
| 561 |
if ($isAllDigital || empty($physicalItems)) { |
| 562 |
if ($returnType === 'items') { |
| 563 |
foreach ($cartItems as $key => $item) { |
| 564 |
$cartItems[$key]['shipping_charge'] = 0; |
| 565 |
$cartItems[$key]['itemwise_shipping_charge'] = 0; |
| 566 |
} |
| 567 |
return ['items' => $cartItems, 'shipping_amount' => 0]; |
| 568 |
} |
| 569 |
return 0; |
| 570 |
} |
| 571 |
|
| 572 |
// Load products with details |
| 573 |
$productIds = array_unique(array_column($physicalItems, 'post_id')); |
| 574 |
$products = Product::query()->whereIn('ID', $productIds) |
| 575 |
->with(['detail']) |
| 576 |
->get() |
| 577 |
->keyBy('ID'); |
| 578 |
|
| 579 |
// Group physical items by shipping_class_id (null = General group) |
| 580 |
$groups = []; |
| 581 |
foreach ($physicalItems as $key => $item) { |
| 582 |
$product = $products->get(Arr::get($item, 'post_id')); |
| 583 |
$classId = null; |
| 584 |
if ($product && isset($product->detail->other_info['shipping_class'])) { |
| 585 |
$classId = $product->detail->other_info['shipping_class'] ?: null; |
| 586 |
} |
| 587 |
$groupKey = $classId ?: 'general'; |
| 588 |
if (!isset($groups[$groupKey])) { |
| 589 |
$groups[$groupKey] = [ |
| 590 |
'class_id' => $classId, |
| 591 |
'items' => [], |
| 592 |
'keys' => [] |
| 593 |
]; |
| 594 |
} |
| 595 |
$groups[$groupKey]['items'][] = $item; |
| 596 |
$groups[$groupKey]['keys'][] = $key; |
| 597 |
} |
| 598 |
|
| 599 |
// Load shipping classes for surcharge calculation |
| 600 |
$classIds = array_filter(array_column($groups, 'class_id')); |
| 601 |
$shippingClasses = !empty($classIds) |
| 602 |
? ShippingClass::query()->whereIn('id', $classIds)->get()->keyBy('id') |
| 603 |
: new \FluentCart\Framework\Support\Collection(); |
| 604 |
|
| 605 |
$selectedMethod = ShippingMethod::find($shippingMethodId); |
| 606 |
if (!$selectedMethod) { |
| 607 |
if ($returnType === 'items') { |
| 608 |
return ['items' => $cartItems, 'shipping_amount' => 0]; |
| 609 |
} |
| 610 |
return 0; |
| 611 |
} |
| 612 |
|
| 613 |
// Early return for free_shipping — no base rate, no class surcharges |
| 614 |
if ($selectedMethod->type === 'free_shipping') { |
| 615 |
if ($returnType === 'items') { |
| 616 |
foreach ($cartItems as $key => $item) { |
| 617 |
$cartItems[$key]['shipping_charge'] = 0; |
| 618 |
$cartItems[$key]['itemwise_shipping_charge'] = 0; |
| 619 |
} |
| 620 |
return ['items' => $cartItems, 'shipping_amount' => 0]; |
| 621 |
} |
| 622 |
return 0; |
| 623 |
} |
| 624 |
|
| 625 |
$totalShippingAmount = 0; |
| 626 |
|
| 627 |
// Preload all variations for weight calculation (avoids N+1 per group) |
| 628 |
$allVariationIds = []; |
| 629 |
foreach ($groups as $group) { |
| 630 |
foreach ($group['items'] as $item) { |
| 631 |
$vId = Arr::get($item, 'object_id', Arr::get($item, 'variation_id')); |
| 632 |
if ($vId) $allVariationIds[] = $vId; |
| 633 |
} |
| 634 |
} |
| 635 |
$allVariationIds = array_unique(array_filter($allVariationIds)); |
| 636 |
$allVariationsMap = !empty($allVariationIds) |
| 637 |
? ProductVariation::query()->whereIn('id', $allVariationIds)->get()->keyBy('id') |
| 638 |
: new \FluentCart\Framework\Support\Collection(); |
| 639 |
|
| 640 |
// Compute cart-wide totals BEFORE the group loop (for per_order/per_price/per_weight base rate) |
| 641 |
$cartTotalPrice = 0; |
| 642 |
$cartTotalQuantity = 0; |
| 643 |
foreach ($physicalItems as $item) { |
| 644 |
$quantity = Arr::get($item, 'quantity', 1); |
| 645 |
$cartTotalQuantity += $quantity; |
| 646 |
$cartTotalPrice += ($quantity * Arr::get($item, 'unit_price', 0)) - Arr::get($item, 'discount_total', 0); |
| 647 |
} |
| 648 |
|
| 649 |
// Calculate the method base rate ONCE using cart-wide totals |
| 650 |
$settings = Arr::wrap($selectedMethod->settings); |
| 651 |
$configureRate = Arr::get($settings, 'configure_rate', 'per_order'); |
| 652 |
$classAggregation = Arr::get($settings, 'class_aggregation', 'sum_all'); |
| 653 |
|
| 654 |
if ($configureRate === 'per_order') { |
| 655 |
$methodBaseRate = Helper::toCent($selectedMethod->amount); |
| 656 |
} elseif ($configureRate === 'per_price') { |
| 657 |
$methodBaseRate = $cartTotalPrice * ($selectedMethod->amount / 100); |
| 658 |
} elseif ($configureRate === 'per_weight') { |
| 659 |
$storeWeightUnit = Helper::shopConfig('weight_unit') ?: 'kg'; |
| 660 |
$totalWeight = 0; |
| 661 |
|
| 662 |
foreach ($physicalItems as $item) { |
| 663 |
$varId = Arr::get($item, 'object_id', Arr::get($item, 'variation_id')); |
| 664 |
$variation = $varId ? $allVariationsMap->get($varId) : null; |
| 665 |
if ($variation) { |
| 666 |
$otherInfo = $variation->other_info ?: []; |
| 667 |
$productWeight = floatval(Arr::get($otherInfo, 'weight', 0)); |
| 668 |
$productWeightUnit = Arr::get($otherInfo, 'weight_unit', $storeWeightUnit); |
| 669 |
$convertedProductWeight = Helper::convertWeight($productWeight, $productWeightUnit, $storeWeightUnit); |
| 670 |
|
| 671 |
$packageSlug = Arr::get($otherInfo, 'package_slug', ''); |
| 672 |
$package = Helper::getPackageBySlug($packageSlug); |
| 673 |
$packageWeight = 0; |
| 674 |
if ($package) { |
| 675 |
$packageWeightUnit = Arr::get($package, 'weight_unit', $storeWeightUnit); |
| 676 |
$packageWeight = Helper::convertWeight( |
| 677 |
floatval(Arr::get($package, 'weight', 0)), |
| 678 |
$packageWeightUnit, |
| 679 |
$storeWeightUnit |
| 680 |
); |
| 681 |
} |
| 682 |
|
| 683 |
$totalWeight += ($convertedProductWeight + $packageWeight) * Arr::get($item, 'quantity', 1); |
| 684 |
} |
| 685 |
} |
| 686 |
|
| 687 |
$weightTiers = Arr::get($settings, 'weight_tiers', []); |
| 688 |
$methodBaseRate = 0; |
| 689 |
foreach ($weightTiers as $tier) { |
| 690 |
$min = floatval(Arr::get($tier, 'min', 0)); |
| 691 |
$max = floatval(Arr::get($tier, 'max', 0)); |
| 692 |
if ($totalWeight >= $min && ($max <= 0 || $totalWeight <= $max)) { |
| 693 |
$methodBaseRate = Helper::toCent(floatval(Arr::get($tier, 'cost', 0))); |
| 694 |
break; |
| 695 |
} |
| 696 |
} |
| 697 |
} else { |
| 698 |
// per_item |
| 699 |
$methodBaseRate = Helper::toCent($selectedMethod->amount) * $cartTotalQuantity; |
| 700 |
} |
| 701 |
|
| 702 |
// Accumulate class surcharges across all groups |
| 703 |
$allGroupsClassCharge = 0; |
| 704 |
$allGroupsMaxClassCharge = 0; |
| 705 |
|
| 706 |
foreach ($groups as $groupKey => &$group) { |
| 707 |
$classId = $group['class_id']; |
| 708 |
$groupItems = $group['items']; |
| 709 |
|
| 710 |
// Calculate class surcharges for this group |
| 711 |
$groupTotalClassCharge = 0; |
| 712 |
$groupMaxClassCharge = 0; |
| 713 |
|
| 714 |
foreach ($groupItems as &$gItem) { |
| 715 |
$quantity = Arr::get($gItem, 'quantity', 1); |
| 716 |
|
| 717 |
// Calculate class surcharge per item |
| 718 |
$itemClassCharge = 0; |
| 719 |
if ($classId && $shippingClasses->has($classId)) { |
| 720 |
$sc = $shippingClasses->get($classId); |
| 721 |
$factor = $sc->per_item ? $quantity : 1; |
| 722 |
if ($sc->type === 'percentage') { |
| 723 |
$itemClassCharge = ($sc->cost / 100) * Arr::get($gItem, 'unit_price', 0) * $factor; |
| 724 |
} else { |
| 725 |
$itemClassCharge = Helper::toCent($sc->cost) * $factor; |
| 726 |
} |
| 727 |
} |
| 728 |
|
| 729 |
$gItem['shipping_charge'] = $itemClassCharge; |
| 730 |
$groupTotalClassCharge += $itemClassCharge; |
| 731 |
$groupMaxClassCharge = max($groupMaxClassCharge, $itemClassCharge); |
| 732 |
} |
| 733 |
unset($gItem); |
| 734 |
|
| 735 |
$allGroupsClassCharge += $groupTotalClassCharge; |
| 736 |
$allGroupsMaxClassCharge = max($allGroupsMaxClassCharge, $groupMaxClassCharge); |
| 737 |
|
| 738 |
$group['items'] = $groupItems; |
| 739 |
$group['class_charge'] = $groupTotalClassCharge; |
| 740 |
} |
| 741 |
unset($group); |
| 742 |
|
| 743 |
// Compute total: base rate (once) + class surcharges |
| 744 |
if ($classAggregation === 'highest_class') { |
| 745 |
$totalShippingAmount = $methodBaseRate + $allGroupsMaxClassCharge; |
| 746 |
} else { |
| 747 |
$totalShippingAmount = $methodBaseRate + $allGroupsClassCharge; |
| 748 |
} |
| 749 |
|
| 750 |
// Distribute the total shipping amount across all physical items proportionally |
| 751 |
$totalLineTotal = 0; |
| 752 |
foreach ($physicalItems as $item) { |
| 753 |
$totalLineTotal += Arr::get($item, 'line_total', 0); |
| 754 |
} |
| 755 |
|
| 756 |
$methodOnlyAmount = $methodBaseRate; |
| 757 |
$distributed = 0; |
| 758 |
$itemCount = count($physicalItems); |
| 759 |
|
| 760 |
// The last physical item overall (last item of the last group, in traversal order) |
| 761 |
// absorbs the exact remainder — per-item rounding must never change the total |
| 762 |
// the customer is charged for shipping. |
| 763 |
$lastGroupKey = array_key_last($groups); |
| 764 |
$lastItemIdx = ($lastGroupKey !== null && !empty($groups[$lastGroupKey]['items'])) |
| 765 |
? array_key_last($groups[$lastGroupKey]['items']) |
| 766 |
: null; |
| 767 |
|
| 768 |
foreach ($groups as $groupKey => &$group) { |
| 769 |
$groupItems = $group['items']; |
| 770 |
foreach ($groupItems as $idx => &$gItem) { |
| 771 |
if ($groupKey === $lastGroupKey && $idx === $lastItemIdx) { |
| 772 |
$share = (int) round($methodOnlyAmount - $distributed); |
| 773 |
} elseif ($totalLineTotal > 0) { |
| 774 |
$share = (int) round((Arr::get($gItem, 'line_total', 0) / $totalLineTotal) * $methodOnlyAmount); |
| 775 |
} else { |
| 776 |
$share = $itemCount > 0 ? (int) round($methodOnlyAmount / $itemCount) : 0; |
| 777 |
} |
| 778 |
// itemwise_shipping_charge carries only the proportional base-rate share. |
| 779 |
// The class surcharge stays exclusively in shipping_charge (set above) so it |
| 780 |
// isn't taxed twice by TaxCalculator::getShippingTax(), which sums both fields. |
| 781 |
$gItem['itemwise_shipping_charge'] = $share; |
| 782 |
$distributed += $share; |
| 783 |
} |
| 784 |
unset($gItem); |
| 785 |
$group['items'] = $groupItems; |
| 786 |
$group['amount'] = $group['class_charge']; |
| 787 |
} |
| 788 |
unset($group); |
| 789 |
|
| 790 |
// Merge group items back into cartItems |
| 791 |
foreach ($groups as $group) { |
| 792 |
foreach ($group['keys'] as $i => $key) { |
| 793 |
if (isset($group['items'][$i])) { |
| 794 |
$cartItems[$key]['shipping_charge'] = Arr::get($group['items'][$i], 'shipping_charge', 0); |
| 795 |
$cartItems[$key]['itemwise_shipping_charge'] = Arr::get($group['items'][$i], 'itemwise_shipping_charge', 0); |
| 796 |
} |
| 797 |
} |
| 798 |
} |
| 799 |
|
| 800 |
if ($returnType === 'items') { |
| 801 |
return [ |
| 802 |
'items' => $cartItems, |
| 803 |
'shipping_amount' => $totalShippingAmount |
| 804 |
]; |
| 805 |
} |
| 806 |
|
| 807 |
return $totalShippingAmount; |
| 808 |
} |
| 809 |
|
| 810 |
public static function resetShippingCharge() |
| 811 |
{ |
| 812 |
$cart = CartHelper::getCart(); |
| 813 |
$items = $cart->cart_data; |
| 814 |
foreach ($items as $key => $item) { |
| 815 |
$items[$key]['shipping_charge'] = 0; |
| 816 |
$items[$key]['itemwise_shipping_charge'] = 0; |
| 817 |
} |
| 818 |
$cart->cart_data = $items; |
| 819 |
|
| 820 |
$cart->checkout_data = array_merge($cart->checkout_data, [ |
| 821 |
'shipping_data' => [ |
| 822 |
'shipping_method_id' => null, |
| 823 |
'shipping_charge' => 0 |
| 824 |
] |
| 825 |
]); |
| 826 |
|
| 827 |
$cart->save(); |
| 828 |
|
| 829 |
do_action('fluent_cart/checkout/shipping_data_changed', [ |
| 830 |
'cart' => $cart |
| 831 |
]); |
| 832 |
} |
| 833 |
|
| 834 |
public static function generateCartFromVariation(ProductVariation $variation, $quantity = 1): Cart |
| 835 |
{ |
| 836 |
$cart = new Cart(); |
| 837 |
$cart->cart_data = [ |
| 838 |
static::generateCartItemFromVariation($variation, $quantity) |
| 839 |
]; |
| 840 |
|
| 841 |
$cart = static::addCommonCartData($cart); |
| 842 |
return $cart; |
| 843 |
} |
| 844 |
|
| 845 |
public static function addCommonCartData(Cart $cart) |
| 846 |
{ |
| 847 |
if (is_user_logged_in()) { |
| 848 |
$wpUser = wp_get_current_user(); |
| 849 |
$cart->user_id = get_current_user_id(); |
| 850 |
// The cart belongs to the account's linked customer, not to whichever record holds its email. |
| 851 |
$customer = Customer::query()->where('user_id', $wpUser->ID)->orderBy('id', 'ASC')->first(); |
| 852 |
if ($customer) { |
| 853 |
$cart->customer_id = $customer->id; |
| 854 |
} |
| 855 |
$cart->email = $wpUser->user_email; |
| 856 |
$cart->first_name = $wpUser->first_name; |
| 857 |
$cart->last_name = $wpUser->last_name; |
| 858 |
$cart->ip_address = AddressHelper::getIpAddress(); |
| 859 |
$cart->user_agent = AddressHelper::getUserAgent(); |
| 860 |
} |
| 861 |
|
| 862 |
return $cart; |
| 863 |
} |
| 864 |
|
| 865 |
public static function generateCartFromCustomVariation(array $variation, $quantity = 1): Cart |
| 866 |
{ |
| 867 |
$cart = new Cart(); |
| 868 |
$cart->cart_data = [ |
| 869 |
static::generateCartItemCustomItem($variation, $quantity) |
| 870 |
]; |
| 871 |
return $cart; |
| 872 |
} |
| 873 |
|
| 874 |
/** |
| 875 |
* Normalize custom item fields to standard cart variation format. |
| 876 |
* |
| 877 |
* NOTE: |
| 878 |
* - Custom items may originate from external sources (filters, adjustments, migrations) |
| 879 |
* - Some sources provide `id`, others only provide `item_id` |
| 880 |
* - For cart consistency, `id` is required and will fall back to `item_id` when missing |
| 881 |
* - This method intentionally mutates the provided object to normalize field names. |
| 882 |
* The variation object is treated as a transient data structure and is not reused |
| 883 |
* elsewhere after normalization. |
| 884 |
* |
| 885 |
* @param object $variation |
| 886 |
* @return object |
| 887 |
*/ |
| 888 |
public static function normalizeCustomFields(object $variation): object |
| 889 |
{ |
| 890 |
// Map custom fields to native fields only if they exist |
| 891 |
$variation->id = $variation->id ?? $variation->item_id; |
| 892 |
$variation->item_price = $variation->item_price |
| 893 |
?? $variation->unit_price |
| 894 |
?? $variation->price |
| 895 |
?? 0; |
| 896 |
$variation->variation_title = $variation->title ?? ($variation->variation_title ?? ''); |
| 897 |
|
| 898 |
|
| 899 |
// Fallbacks |
| 900 |
$variation->post_id = $variation->post_id ?? 0; |
| 901 |
$variation->object_id = $variation->object_id ?? $variation->id; |
| 902 |
$variation->unit_price = $variation->unit_price |
| 903 |
?? $variation->item_price |
| 904 |
?? $variation->price |
| 905 |
?? 0; |
| 906 |
|
| 907 |
// Payment & fulfillment |
| 908 |
$variation->payment_type = sanitize_text_field($variation->payment_type ?? 'onetime'); |
| 909 |
$variation->fulfillment_type = sanitize_text_field($variation->fulfillment_type ?? 'digital'); |
| 910 |
|
| 911 |
// Other info |
| 912 |
if (!empty($variation->other_info) && is_array($variation->other_info)) { |
| 913 |
$variation->other_info = $variation->other_info; |
| 914 |
} else { |
| 915 |
$variation->other_info = []; |
| 916 |
} |
| 917 |
|
| 918 |
// Add custom flags |
| 919 |
$variation->other_info['is_custom'] = $variation->is_custom ?? false; |
| 920 |
$variation->other_info['view_url'] = $variation->view_url ?? ''; |
| 921 |
|
| 922 |
return $variation; |
| 923 |
} |
| 924 |
|
| 925 |
|
| 926 |
/** |
| 927 |
* @param ProductVariation $variation |
| 928 |
* @param int|string $updatedQuantity |
| 929 |
* @return bool |
| 930 |
*/ |
| 931 |
public static function shouldAddItemToCart(ProductVariation $variation, $updatedQuantity): bool |
| 932 |
{ |
| 933 |
if ($variation->manage_stock == 0) { |
| 934 |
return true; |
| 935 |
} |
| 936 |
return $updatedQuantity <= $variation->available; |
| 937 |
} |
| 938 |
|
| 939 |
public static function doingInstantCheckout() |
| 940 |
{ |
| 941 |
$variationId = App::request()->get(Helper::INSTANT_CHECKOUT_URL_PARAM); |
| 942 |
if (empty($variationId)) { |
| 943 |
return false; |
| 944 |
} |
| 945 |
return $variationId; |
| 946 |
} |
| 947 |
|
| 948 |
/** |
| 949 |
* @param \FluentCart\App\Models\Cart $cart |
| 950 |
* @param array|\WP_Error $methods |
| 951 |
* @param string|int|null $currentSelectedId |
| 952 |
* @return string|int|null |
| 953 |
*/ |
| 954 |
public static function resolveAutoSelectShippingMethod($cart, $methods, $currentSelectedId) |
| 955 |
{ |
| 956 |
if ($currentSelectedId || empty($methods) || is_wp_error($methods) || count($methods) !== 1) { |
| 957 |
return $currentSelectedId; |
| 958 |
} |
| 959 |
|
| 960 |
$method = $methods[0]; |
| 961 |
|
| 962 |
$shouldAutoSelect = apply_filters('fluent_cart/shipping/auto_select_single_method', true, [ |
| 963 |
'cart' => $cart, |
| 964 |
'method' => $method, |
| 965 |
]); |
| 966 |
|
| 967 |
if (!$shouldAutoSelect) { |
| 968 |
return $currentSelectedId; |
| 969 |
} |
| 970 |
|
| 971 |
$charge = static::calculateShippingMethodCharge($method, $cart->cart_data); |
| 972 |
|
| 973 |
$cart->checkout_data = array_merge( |
| 974 |
(array) $cart->checkout_data, |
| 975 |
[ |
| 976 |
'shipping_data' => [ |
| 977 |
'shipping_method_id' => $method->id, |
| 978 |
'shipping_charge' => is_array($charge) ? Arr::get($charge, 'shipping_amount', 0) : $charge, |
| 979 |
], |
| 980 |
] |
| 981 |
); |
| 982 |
$cart->save(); |
| 983 |
|
| 984 |
return $method->id; |
| 985 |
} |
| 986 |
} |
| 987 |
|
