first commit

app/Service/GoodsService.php

@@ -0,0 +1,152 @@
+<?php
+/**
+ * The file was created by Assimon.
+ *
+ * @author    assimon<ashang@utf8.hk>
+ * @copyright assimon<ashang@utf8.hk>
+ * @link      http://utf8.hk/
+ */
+
+namespace App\Service;
+
+
+use App\Exceptions\RuleValidationException;
+use App\Models\Carmis;
+use App\Models\Goods;
+use App\Models\GoodsGroup;
+
+/**
+ * 商品服务层
+ *
+ * Class GoodsService
+ * @package App\Service
+ * @author: Assimon
+ * @email: Ashang@utf8.hk
+ * @blog: https://utf8.hk
+ * Date: 2021/5/30
+ */
+class GoodsService
+{
+
+    /**
+     * 获取所有分类并加载该分类下的商品
+     *
+     * @return array|null
+     *
+     * @author    assimon<ashang@utf8.hk>
+     * @copyright assimon<ashang@utf8.hk>
+     * @link      http://utf8.hk/
+     */
+    public function withGroup(): ?array
+    {
+        $goods = GoodsGroup::query()
+            ->with(['goods' => function($query) {
+                $query->withCount(['carmis' => function($query) {
+                    $query->where('status', Carmis::STATUS_UNSOLD);
+                }])->where('is_open', Goods::STATUS_OPEN)->orderBy('ord', 'DESC');
+            }])
+            ->where('is_open', GoodsGroup::STATUS_OPEN)
+            ->orderBy('ord', 'DESC')
+            ->get();
+        // 将自动
+        return $goods ? $goods->toArray() : null;
+    }
+
+    /**
+     * 商品详情
+     *
+     * @param int $id 商品id
+     * @return \Illuminate\Database\Eloquent\Builder|\Illuminate\Database\Eloquent\Model|object|null
+     *
+     * @author    assimon<ashang@utf8.hk>
+     * @copyright assimon<ashang@utf8.hk>
+     * @link      http://utf8.hk/
+     */
+    public function detail(int $id)
+    {
+        $goods = Goods::query()
+            ->with(['coupon'])
+            ->withCount(['carmis' => function($query) {
+                $query->where('status', Carmis::STATUS_UNSOLD);
+            }])->where('id', $id)->first();
+        return $goods;
+    }
+
+    /**
+     * 格式化商品信息
+     *
+     * @param Goods $goods 商品模型
+     * @return Goods
+     *
+     * @author    assimon<ashang@utf8.hk>
+     * @copyright assimon<ashang@utf8.hk>
+     * @link      http://utf8.hk/
+     */
+    public function format(Goods $goods)
+    {
+        // 格式化批发配置以及输入框配置
+        $goods->wholesale_price_cnf = $goods->wholesale_price_cnf ?
+            format_wholesale_price($goods->wholesale_price_cnf) :
+            null;
+        // 如果存在其他配置输入框且为代充
+        $goods->other_ipu = $goods->other_ipu_cnf ?
+            format_charge_input($goods->other_ipu_cnf) :
+            null;
+        return $goods;
+    }
+
+    /**
+     * 验证商品状态
+     *
+     * @param Goods $goods
+     * @return Goods
+     * @throws RuleValidationException
+     *
+     * @author    assimon<ashang@utf8.hk>
+     * @copyright assimon<ashang@utf8.hk>
+     * @link      http://utf8.hk/
+     */
+    public function validatorGoodsStatus(Goods $goods): Goods
+    {
+        if (empty($goods)) {
+            throw new RuleValidationException(__('dujiaoka.prompt.goods_does_not_exist'));
+        }
+        // 上架判断.
+        if ($goods->is_open != Goods::STATUS_OPEN) {
+            throw new RuleValidationException(__('dujiaoka.prompt.the_goods_is_not_on_the_shelves'));
+        }
+        return $goods;
+    }
+
+    /**
+     * 库存减去
+     *
+     * @param int $id 商品id
+     * @param int $number 出库数量
+     *
+     * @author    assimon<ashang@utf8.hk>
+     * @copyright assimon<ashang@utf8.hk>
+     * @link      http://utf8.hk/
+     */
+    public function inStockDecr(int $id, int $number = 1): bool
+    {
+        return Goods::query()->where('id', $id)->decrement('in_stock', $number);
+    }
+
+    /**
+     * 商品销量加
+     *
+     * @param int $id 商品id
+     * @param int $number 数量
+     * @return bool
+     *
+     * @author    assimon<ashang@utf8.hk>
+     * @copyright assimon<ashang@utf8.hk>
+     * @link      http://utf8.hk/
+     */
+    public function salesVolumeIncr(int $id, int $number = 1): bool
+    {
+        return Goods::query()->where('id', $id)->increment('sales_volume', $number);
+    }
+
+}