添加增减购物车商品数量的接口

Code Review By Rock Zhang

@@ -179,6 +179,41 @@ class CartData
 	}
 
 	/**
+	 * 增减购物车商品数量
+	 *
+	 * @param int $uid 用户ID
+	 * @param string $sku 商品SKU
+	 * @param int $increaseNum 增加的数目
+	 * @param int $decreaseNum 减少的数目
+	 * @param string $shoppingKey 未登录用户唯一识别码
+	 * @return array 接口返回的数据
+	 */
+	public static function modifyProductNum($uid, $sku, $increaseNum, $decreaseNum, $shoppingKey)
+	{
+		$param = Yohobuy::param();
+		$param['method'] = 'app.Shopping.increase';
+		$param['product_sku'] = $sku;
+
+        if (!empty($increaseNum)) {
+            $param['increase_number'] = $increaseNum;
+        }
+        if (!empty($decreaseNum)) {
+            $param['decrease_number'] = $decreaseNum;
+        }
+
+		if (!empty($uid)) {
+			$param['uid'] = $uid;
+		}
+		if ($shoppingKey !== null) {
+			$param['shopping_key'] = $shoppingKey;
+		}
+
+		$param['client_secret'] = Sign::getSign($param);
+
+		return Yohobuy::get(Yohobuy::API_URL, $param);
+	}
+
+	/**
 	 * 修改购物车商品数据
 	 *
 	 * @param int $uid 用户ID

@@ -205,6 +205,30 @@ class ShoppingcartController extends AbstractAction
 	}
 
 	/**
+	 * 修改购物车商品数量
+	 */
+	public function modifyNumAction()
+	{
+		$result = array();
+
+		if ($this->isAjax()) {
+			$shoppingKey = $this->getSession('shoppingKey');
+			$uid = $this->getUid(true);
+
+			$sku= $this->post('sku', 0);
+            $increaseNum = $this->post('increaseNum', null);
+            $decreaseNum = $this->post('decreaseNum', null);
+			$result = CartModel::modifyProductNum($uid, $sku, $increaseNum, $decreaseNum, $shoppingKey);
+		}
+
+		if (empty($result)) {
+			echo ' ';
+		} else {
+			$this->echoJson($result);
+		}
+	}
+
+	/**
 	 * 修改购物车商品数据
 	 */
 	public function modifyAction()

@@ -298,6 +298,29 @@ class CartModel
     }
 
     /**
+     * 修改购物车商品数量
+     *
+     * @param int $uid 用户ID
+     * @param string $sku 商品SKU
+     * @param int $increaseNum 增加的数目
+     * @param int $decreaseNum 减少的数目
+     * @param string $shoppingKey 未登录用户唯一识别码
+     * @return array 接口返回的数据
+     */
+    public static function modifyProductNum($uid, $sku, $increaseNum, $decreaseNum, $shoppingKey)
+    {
+        $result = array('code' => 400, 'message' => '出错啦~');
+
+        $modify = CartData::modifyProductNum($uid, $sku, $increaseNum, $decreaseNum, $shoppingKey);
+        if ($modify && isset($modify['code'])) {
+            $result['code'] = $modify['code'];
+            $result['message'] = $modify['message'];
+        }
+
+        return $result;
+    }
+
+    /**
      * 修改购物车商品数据
      *
      * @param int $uid 用户ID