add totals

beike/Shop/Services/CartService.php

@@ -145,14 +145,12 @@ class CartService
         $selected = collect($carts)->where('selected', 1);
         $quantity = $selected->sum('quantity');
         $amount = $selected->sum('subtotal');
-        $totalService = new TotalService($carts);
 
         $data = [
             'carts' => $carts,
             'quantity' => $quantity,
             'amount' => $amount,
             'amount_format' => currency_format($amount),
-            'totals' => $totalService->getTotals(),
         ];
         return $data;
     }

beike/Shop/Services/CheckoutService.php

@@ -122,6 +122,7 @@ class CheckoutService
 
         $cartList = CartService::list($customer, true);
         $carts = CartService::reloadData($cartList);
+        $totalService = (new TotalService($cartList))->setShippingMethod($this->cart->shipping_method_code);
 
         $data = [
             'current' => [
@@ -136,8 +137,10 @@ class CheckoutService
             'addresses' => AddressResource::collection($addresses),
             'shipping_methods' => $shipments,
             'payment_methods' => $payments,
-            'carts' => $carts
+            'carts' => $carts,
+            'totals' => $totalService->getTotals(),
         ];
+
         return $data;
     }
 }

beike/Shop/Services/TotalService.php

@@ -19,32 +19,48 @@ class TotalService
         'subtotal',
         'tax',
         'shipping',
-        'total'
+        'order_total'
     ];
 
     public array $carts;
     public array $totals;
+    public float $amount = 0;
+    public string $shippingMethod = '';
 
     public function __construct($carts)
     {
         $this->carts = $carts;
     }
 
+
+    /**
+     * 设置配送方式
+     */
+    public function setShippingMethod($methodCode): TotalService
+    {
+        $this->shippingMethod = $methodCode;
+        return $this;
+    }
+
+
     /**
      * @return array
      */
     public function getTotals(): array
     {
-        $totals = [];
         foreach (self::TOTAL_CODES as $code) {
             $serviceName = Str::studly($code) . 'Service';
             $service = "\Beike\\Shop\\Services\\TotalServices\\{$serviceName}";
             if (!class_exists($service) || !method_exists($service, 'getTotal')) {
                 continue;
             }
-            $this->totals[] = $service::getTotal($this);
+            $totalData = $service::getTotal($this);
+            if ($totalData) {
+                $this->amount += $totalData['amount'];
+                $this->totals[] = $totalData;
+            }
         }
 
-        return $totals;
+        return $this->totals;
     }
 }

beike/Shop/Services/TotalServices/OrderTotalService.php

@@ -0,0 +1,28 @@
+<?php
+/**
+ * TotalService.php
+ *
+ * @copyright  2022 opencart.cn - All Rights Reserved
+ * @link       http://www.guangdawangluo.com
+ * @author     Edward Yang <yangjin@opencart.cn>
+ * @created    2022-07-27 17:49:15
+ * @modified   2022-07-27 17:49:15
+ */
+
+namespace Beike\Shop\Services\TotalServices;
+
+use Beike\Shop\Services\TotalService;
+
+class OrderTotalService
+{
+    public static function getTotal(TotalService $totalService)
+    {
+        $amount = $totalService->amount;
+        return [
+            'code' => 'order_total',
+            'title' => '应付总金额',
+            'amount' => $amount,
+            'amount_format' => currency_format($amount)
+        ];
+    }
+}

beike/Shop/Services/TotalServices/ShippingService.php

@@ -12,10 +12,22 @@
 
 namespace Beike\Shop\Services\TotalServices;
 
+use Beike\Shop\Services\TotalService;
+
 class ShippingService
 {
-    public static function getTotal()
+    public static function getTotal(TotalService $totalService)
     {
-
+        $shippingMethod = $totalService->shippingMethod;
+        if (empty($shippingMethod)) {
+            return null;
+        }
+        $amount = 5;
+        return [
+            'code' => 'shipping',
+            'title' => '运费',
+            'amount' => $amount,
+            'amount_format' => currency_format($amount)
+        ];
     }
 }

beike/Shop/Services/TotalServices/SubtotalService.php

@@ -12,14 +12,19 @@
 
 namespace Beike\Shop\Services\TotalServices;
 
+use Beike\Shop\Services\TotalService;
+
 class SubtotalService
 {
-    public static function getTotal($totalService)
+    public static function getTotal(TotalService $totalService)
     {
         $carts = $totalService->carts;
+        $amount = collect($carts)->sum('subtotal');
         return [
             'code' => 'sub_total',
-            'value' => collect($carts)->sum('total')
+            'title' => '商品总额',
+            'amount' => $amount,
+            'amount_format' => currency_format($amount)
         ];
     }
 }

beike/Shop/Services/TotalServices/TaxService.php

@@ -12,10 +12,18 @@
 
 namespace Beike\Shop\Services\TotalServices;
 
+use Beike\Shop\Services\TotalService;
+
 class TaxService
 {
-    public static function getTotal()
+    public static function getTotal(TotalService $totalService)
     {
-
+        $amount = $totalService->amount * 0.02;
+        return [
+            'code' => 'shipping',
+            'title' => '运费',
+            'amount' => $amount,
+            'amount_format' => currency_format($amount)
+        ];
     }
 }