商品价格读取

app/api/model/Goods.php

@@ -26,6 +26,7 @@ use cores\exception\BaseException;
 use think\db\exception\DataNotFoundException;
 use think\db\exception\DbException;
 use think\db\exception\ModelNotFoundException;
+use app\store\model\goods\GoodsPrice as GoodsPriceModel;
 
 /**
  * 商品模型
@@ -346,9 +347,51 @@ class Goods extends GoodsModel
         return $this->setGoodsData($goodsInfo, function ($goods) {
             // 计算并设置商品会员价
             $this->getEnableGradeMoney() && $this->setGoodsGradeMoney($goods);
+            //计算plus 分销价格
+            $this->setGoodsMoney($goods);
         });
     }
 
+    /**
+     * 设置商品plus 分销价格
+     * @param Goods $goods
+     * @throws BaseException
+     */
+    private function setGoodsMoney(self $goods)
+    {
+        // 判断是否登录
+        if (!UserService::isLogin()) {
+            return;
+        }
+        $catService = new \app\store\model\GoodsCategoryRel();
+        $catIds = $catService->where(['goods_id' => $goods->goods_id])->column('category_id');
+        //读取分类集
+        $price_list_plus = $price_list_dealer = [];
+        foreach ($catIds as $k => $v) {
+            $price_list_plus[] = GoodsPriceModel::getDiscountPrice($v, 1, $goods['goods_price_min']);
+            $price_list_dealer[] = GoodsPriceModel::getDiscountPrice($v, 2, $goods['goods_price_min']);
+        }
+        //价格判断
+        if (UserService::isstore()) {
+            $goods['goods_price_min_plus'] = min($price_list_plus);
+            $goods['goods_price_min_dealer'] = min($price_list_dealer);
+        } elseif (UserService::isPlusMember()) {
+            $goods['goods_price_min_plus'] = min($price_list_plus);
+        } elseif (UserService::isDealerMember()) {
+            $goods['goods_price_min_dealer'] = min($price_list_dealer);
+        }
+        // 会员折扣价: 商品sku列表
+        if ($goods->getRelation('skuList')) {
+            foreach ($goods['skuList'] as &$skuItem) {
+                $skuItem['goods_price'] = $skuItem['goods_price'];
+            }
+        }
+        // 会员折扣价: 已选择的商品sku（用于购物车）
+        if ($goods->getAttr('skuInfo')) {
+            $goods['skuInfo']['goods_price'] = $goods['skuInfo']['goods_price'];
+        }
+    }
+
     /**
      * 设置商品的会员价
      * @param Goods $goods

app/store/model/goods/GoodsPrice.php

@@ -12,6 +12,7 @@ declare (strict_types=1);
 
 namespace app\store\model\goods;
 
+use app\common\library\helper;
 use think\Paginator;
 use think\Collection;
 use app\common\model\goods\GoodsPrice as GoodsPriceModel;
@@ -143,4 +144,29 @@ class GoodsPrice extends GoodsPriceModel
         }
         return $detail->delete() !== false;
     }
+
+
+    /**
+     * 获取和计算折扣后的价格
+     * @param $catId
+     * @param $type
+     * @param $originalPrice
+     * @return string
+     */
+    public static function getDiscountPrice($catId, $type = 1, $originalPrice): string
+    {
+        $info = self::where(['cat_id' => $catId, 'type' => $type])
+            ->where('min_price', '<=', $originalPrice)
+            ->order('min_price desc')
+            ->find();
+        //没有配置返回原价
+        if (!$info) {
+            return $originalPrice;
+        }
+        // 使用高精度方法计算等级折扣;
+        $discountPrice = helper::bcmul($originalPrice, $info->markup_rate / 100, 2);
+        //取优惠后的价格
+        $lastPrice = bcsub($originalPrice, $discountPrice, 2);
+        return helper::number2($lastPrice, true);
+    }
 }