43 lines
1.5 KiB
PHP
43 lines
1.5 KiB
PHP
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<?php
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namespace Modules\Core\Shipping\Concerns;
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use Lunar\DataTypes\ShippingOption;
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use Lunar\Facades\Pricing;
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use Lunar\Shipping\Models\ShippingMethod;
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use Lunar\Shipping\Models\ShippingRate;
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/**
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* Shared by any carrier driver that also supports Lunar's own price-break
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* pricing (charge_by = cart_total | weight) as a fallback to, or standalone
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* alternative for, live API pricing. Mirrors the vendor ShipBy driver's
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* charge_by handling exactly, so behavior is consistent with the rest of
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* Lunar's shipping system rather than inventing a separate mechanism.
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*/
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trait ResolvesFixedPricing
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{
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private function resolveFixedPrice(ShippingRate $shippingRate, ShippingMethod $shippingMethod, $cart): ?ShippingOption
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{
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$chargeBy = $shippingMethod->data['charge_by'] ?? 'cart_total';
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$tier = $chargeBy === 'weight'
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? $cart->lines->load('purchasable')->sum(fn ($line) => ($line->purchasable->weight_value ?? 0) * $line->quantity)
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: $cart->lines->sum('subTotal.value');
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$pricing = Pricing::for($shippingRate)->qty($tier)->get();
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if (! $pricing->matched) {
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return null;
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}
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return new ShippingOption(
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name: $shippingMethod->name ?: $this->name(),
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description: $shippingMethod->description ?: $this->description(),
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identifier: $shippingRate->getIdentifier(),
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price: $pricing->matched->price,
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taxClass: $shippingRate->getTaxClass(),
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taxReference: $shippingRate->getTaxReference(),
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);
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}
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}
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