feat: order

app/Service/ServiceTrait/Api/OrderTrait.php

@@ -0,0 +1,68 @@
+<?php
+/**
+ * This service file is part of item.
+ *
+ * @author   ctexthuang
+ * @contact  ctexthuang@qq.com
+ */
+
+declare(strict_types=1);
+
+namespace App\Service\ServiceTrait\Api;
+
+use App\Constants\ApiCode;
+use App\Exception\ErrException;
+use Psr\Container\ContainerExceptionInterface;
+use Psr\Container\NotFoundExceptionInterface;
+
+trait OrderTrait
+{
+    /**
+     * @param array $data
+     * @return void
+     */
+    protected function buildCartData(array $data): void
+    {
+        $copies = 0;
+        foreach ($data as $oneCopies) {
+            $one = [];
+            foreach ($oneCopies as $oneGood) {
+                $this->cartFirstData[$oneGood] = ($this->cartFirstData[$oneGood] ?? 0) + 1;
+                $one[$oneGood] = ($one[$oneGood] ?? 0) + 1;
+            }
+
+            $this->cartSecondData[] = $one;
+
+            $copies++;
+        }
+
+        $this->copies = $copies;
+    }
+
+    /**
+     * @param array $goodIds
+     * @return void
+     */
+    protected function checkGood(array $goodIds): void
+    {
+        foreach ($this->cartFirstData as $key => $one) {
+            if (in_array($key, $goodIds)) continue;
+
+            throw new ErrException('商品不存在');
+        }
+    }
+
+    /**
+     * @return void
+     * @throws ContainerExceptionInterface
+     * @throws NotFoundExceptionInterface
+     */
+    protected function checkStock(): void
+    {
+        foreach ($this->cartFirstData as $key => $one) {
+            if (($this->redis->zScore($this->stockKey,$key) ?? 0) >= $one) continue;
+
+            throw new ErrException('商品库存不足');
+        }
+    }
+}