重构配送方式，一个运费插件支持多个配送方式

beike/Services/ShippingMethodService.php

@@ -0,0 +1,46 @@
+<?php
+/**
+ * ShippingMethodService.php
+ *
+ * @copyright  2022 beikeshop.com - All Rights Reserved
+ * @link       https://beikeshop.com
+ * @author     Edward Yang <yangjin@guangda.work>
+ * @created    2022-12-01 10:54:46
+ * @modified   2022-12-01 10:54:46
+ */
+
+namespace Beike\Services;
+
+use Illuminate\Support\Str;
+use Beike\Repositories\PluginRepo;
+
+class ShippingMethodService
+{
+    /**
+     * 获取配送方式, 二维数组, 一个配送插件对应多个配送方式
+     *
+     * @param $currentCart
+     * @return array
+     * @throws \Exception
+     */
+    public static function getShippingMethods($currentCart): array
+    {
+        $shippingPlugins = PluginRepo::getShippingMethods();
+
+        $shippingMethods = [];
+        foreach ($shippingPlugins as $shippingPlugin) {
+            $pluginCode = $shippingPlugin->code;
+            $pluginName = Str::studly($pluginCode);
+            $className = "Plugin\\{$pluginName}\\Bootstrap";
+
+            if (!method_exists($className, 'getQuotes')) {
+                throw new \Exception("请在插件 {$className} 实现方法: public function getQuotes(\$currentCart)");
+            }
+            $quotes = (new $className)->getQuotes($currentCart, $shippingPlugin);
+            if ($quotes) {
+                $shippingMethods[$pluginCode] = $quotes;
+            }
+        }
+        return $shippingMethods;
+    }
+}

beike/Shop/Services/CheckoutService.php

@@ -21,9 +21,9 @@ use Beike\Repositories\PluginRepo;
 use Beike\Repositories\AddressRepo;
 use Beike\Repositories\CountryRepo;
 use Beike\Services\StateMachineService;
+use Beike\Services\ShippingMethodService;
 use Beike\Shop\Http\Resources\Account\AddressResource;
 use Beike\Shop\Http\Resources\Checkout\PaymentMethodItem;
-use Beike\Shop\Http\Resources\Checkout\ShippingMethodItem;
 
 class CheckoutService
 {
@@ -159,6 +159,7 @@ class CheckoutService
      * 获取结账页数据
      *
      * @return array
+     * @throws \Exception
      */
     public function checkoutData(): array
     {
@@ -166,7 +167,7 @@ class CheckoutService
         $currentCart = $this->cart;
 
         $addresses = AddressRepo::listByCustomer($customer);
-        $shipments = ShippingMethodItem::collection(PluginRepo::getShippingMethods())->jsonSerialize();
+        $shipments = ShippingMethodService::getShippingMethods($currentCart);
         $payments = PaymentMethodItem::collection(PluginRepo::getPaymentMethods())->jsonSerialize();
 
         $cartList = CartService::list($customer, true);

plugins/FlatShipping/Bootstrap.php

@@ -11,12 +11,31 @@
 
 namespace Plugin\FlatShipping;
 
+use Beike\Shop\Http\Resources\Checkout\ShippingMethodItem;
+
 class Bootstrap
 {
     /**
-     * @return float
+     * 获取固定运费方式
+     *
+     * @param $currentCart
+     * @param $shippingPlugin
+     * @return array
      */
-    public function getShippingFee($totalService)
+    public function getQuotes($currentCart, $shippingPlugin): array
+    {
+        $quotes['flat_shipping.0'] = (new ShippingMethodItem($shippingPlugin))->jsonSerialize();
+        return $quotes;
+    }
+
+
+    /**
+     * 计算固定运费
+     *
+     * @param $totalService
+     * @return float|int
+     */
+    public function getShippingFee($totalService): float|int
     {
         $amount = $totalService->amount;
         $shippingType = plugin_setting('flat_shipping.type', 'fixed');