Fix: Move carrier live-pricing choice onto ShippingMethod.charge_by

Reverts the earlier per-rate pricing_mode column in favor of extending Lunar's existing charge_by field (cart_total/weight) with a third "live" option, gated by a SupportsLivePricing capability check on the driver. Adds a shared ResolvesFixedPricing trait so any carrier driver can fall back to Lunar's normal price-break resolution, matching the vendor ShipBy driver's own charge_by handling instead of introducing a separate mechanism. Also fixes an incorrect Get() path in the admin form that silently hid the new "live" option.
2026-07-19 02:24:10 +03:00
parent 4acabe4185
commit d34e450526
6 changed files with 148 additions and 155 deletions
@@ -0,0 +1,42 @@
+<?php
+
+namespace Modules\Core\Shipping\Concerns;
+
+use Lunar\DataTypes\ShippingOption;
+use Lunar\Facades\Pricing;
+use Lunar\Shipping\Models\ShippingMethod;
+use Lunar\Shipping\Models\ShippingRate;
+
+/**
+ * Shared by any carrier driver that also supports Lunar's own price-break
+ * pricing (charge_by = cart_total | weight) as a fallback to, or standalone
+ * alternative for, live API pricing. Mirrors the vendor ShipBy driver's
+ * charge_by handling exactly, so behavior is consistent with the rest of
+ * Lunar's shipping system rather than inventing a separate mechanism.
+ */
+trait ResolvesFixedPricing
+{
+    private function resolveFixedPrice(ShippingRate $shippingRate, ShippingMethod $shippingMethod, $cart): ?ShippingOption
+    {
+        $chargeBy = $shippingMethod->data['charge_by'] ?? 'cart_total';
+
+        $tier = $chargeBy === 'weight'
+            ? $cart->lines->load('purchasable')->sum(fn ($line) => ($line->purchasable->weight_value ?? 0) * $line->quantity)
+            : $cart->lines->sum('subTotal.value');
+
+        $pricing = Pricing::for($shippingRate)->qty($tier)->get();
+
+        if (! $pricing->matched) {
+            return null;
+        }
+
+        return new ShippingOption(
+            name: $shippingMethod->name ?: $this->name(),
+            description: $shippingMethod->description ?: $this->description(),
+            identifier: $shippingRate->getIdentifier(),
+            price: $pricing->matched->price,
+            taxClass: $shippingRate->getTaxClass(),
+            taxReference: $shippingRate->getTaxReference(),
+        );
+    }
+}