1.提交缺失的东西

2025-05-15 14:48:06 +08:00
parent 91582e5b76
commit a657aa76c0
2 changed files with 296 additions and 0 deletions
--- a/app/api/controller/CartController.php
+++ b/app/api/controller/CartController.php
@ -0,0 +1,98 @@
+<?php
+// +----------------------------------------------------------------------
+// | likeshop开源商城系统
+// +----------------------------------------------------------------------
+// | 欢迎阅读学习系统程序代码，建议反馈是我们前进的动力
+// | gitee下载：https://gitee.com/likeshop_gitee
+// | github下载：https://github.com/likeshop-github
+// | 访问官网：https://www.likeshop.cn
+// | 访问社区：https://home.likeshop.cn
+// | 访问手册：http://doc.likeshop.cn
+// | 微信公众号：likeshop技术社区
+// | likeshop系列产品在gitee、github等公开渠道开源版本可免费商用，未经许可不能去除前后端官方版权标识
+// |  likeshop系列产品收费版本务必购买商业授权，购买去版权授权后，方可去除前后端官方版权标识
+// | 禁止对系统程序代码以任何目的，任何形式的再发布
+// | likeshop团队版权所有并拥有最终解释权
+// +----------------------------------------------------------------------
+// | author: likeshop.cn.team
+// +----------------------------------------------------------------------
+
+namespace app\api\controller;
+
+use app\api\logic\CartLogic;
+
+/**
+ * 购物车
+ * Class Cart
+ * @package app\api\controller
+ */
+class CartController extends BaseApiController
+{
+
+    public function lists()
+    {
+        $this->success('', CartLogic::lists($this->userId));
+    }
+
+
+    public function add()
+    {
+        $post = $this->request->post();
+        $check = $this->validate($post, 'app\api\validate\Cart.add');
+        if (true !== $check) {
+            $this->fail($check);
+        }
+        $res = CartLogic::add($post['item_id'], $post['goods_num'], $this->userId);
+        if ($res === true) {
+            $this->success('加入成功');
+        }
+        $this->fail($res);
+    }
+
+
+    public function change()
+    {
+        $post = $this->request->post();
+        $check = $this->validate($post, 'app\api\validate\Cart.change');
+        if ($check !== true) {
+            $this->_error($check);
+        }
+        $res = CartLogic::change($post['cart_id'], $post['goods_num']);
+        if ($res === true) {
+            $this->_success();
+        }
+        $this->_error($res);
+    }
+
+
+    public function del()
+    {
+        $post = $this->request->post();
+        $check = $this->validate($post, 'app\api\validate\Cart.del');
+        if (true !== $check) {
+            $this->_error($check);
+        }
+        if (CartLogic::del($post['cart_id'], $this->user_id)) {
+            $this->_success('删除成功');
+        }
+        $this->_error('删除失败');
+    }
+
+
+    public function selected()
+    {
+        $post = $this->request->post();
+        $check = $this->validate($post, 'app\api\validate\Cart.selected');
+        if (true !== $check) {
+            $this->_error($check);
+        }
+        CartLogic::selected($post, $this->user_id);
+        $this->_success();
+    }
+
+
+    public function num()
+    {
+        $this->_success('',CartLogic::cartNum($this->user_id));
+    }
+}
--- a/app/api/logic/CartLogic.php
+++ b/app/api/logic/CartLogic.php
@ -0,0 +1,198 @@
+<?php
+// +----------------------------------------------------------------------
+// | likeshop开源商城系统
+// +----------------------------------------------------------------------
+// | 欢迎阅读学习系统程序代码，建议反馈是我们前进的动力
+// | gitee下载：https://gitee.com/likeshop_gitee
+// | github下载：https://github.com/likeshop-github
+// | 访问官网：https://www.likeshop.cn
+// | 访问社区：https://home.likeshop.cn
+// | 访问手册：http://doc.likeshop.cn
+// | 微信公众号：likeshop技术社区
+// | likeshop系列产品在gitee、github等公开渠道开源版本可免费商用，未经许可不能去除前后端官方版权标识
+// |  likeshop系列产品收费版本务必购买商业授权，购买去版权授权后，方可去除前后端官方版权标识
+// | 禁止对系统程序代码以任何目的，任何形式的再发布
+// | likeshop团队版权所有并拥有最终解释权
+// +----------------------------------------------------------------------
+// | author: likeshop.cn.team
+// +----------------------------------------------------------------------
+
+namespace app\api\logic;
+
+use app\api\model\Cart;
+use app\common\model\Footprint;
+use app\common\server\UrlServer;
+use think\Db;
+use think\facade\Hook;
+
+class CartLogic
+{
+    //添加购物车
+    public static function add($item_id, $goods_num, $user_id)
+    {
+        $goods = Db::name('goods g')
+            ->field('i.goods_id')
+            ->join('goods_item i', 'i.goods_id = g.id')
+            ->where('i.id', $item_id)
+            ->find();
+
+        $time = time();
+        $where = [
+            'user_id' => $user_id,
+            'item_id' => $item_id,
+        ];
+        $info = Cart::where($where)->find();
+
+        $cart_num = $goods_num + (isset($info) ? $info['goods_num'] : 0);
+
+        if (self::checkStock($item_id, $cart_num)) {
+            return '很抱歉,商品库存不足';
+        }
+
+        if ($info) {
+            //购物车内已有该商品
+            $update_data = [
+                'goods_num' => $goods_num + $info['goods_num'],
+                'update_time' => $time,
+            ];
+            $res = Db::name('cart')
+                ->where('id', $info['id'])
+                ->update($update_data);
+        } else {
+            //新增购物车记录
+            $data = [
+                'user_id' => $user_id,
+                'goods_id' => $goods['goods_id'],
+                'goods_num' => $goods_num,
+                'item_id' => $item_id,
+                'create_time' => $time,
+            ];
+            $res = Db::name('cart')->insert($data);
+        }
+
+        if (!$res) {
+            return '添加失败';
+        }
+
+        // 钩子-记录足迹(添加购物车)
+        Hook::listen('footprint', [
+            'type'     => Footprint::add_cart,
+            'user_id'  => $user_id,
+            'foreign_id' => $goods['goods_id'] //商品ID
+        ]);
+
+        return true;
+    }
+
+    //删除购物车
+    public static function del($cart_id, $user_id)
+    {
+        return Db::name('cart')->where(['id' => $cart_id, 'user_id' => $user_id])->delete();
+    }
+
+    //变动购物车数量
+    public static function change($cart_id, $goods_num)
+    {
+        $cart = Db::name('cart')->where(['id' => $cart_id])->find();
+
+        if (self::checkStock($cart['item_id'], $goods_num)) {
+            return '很抱歉,库存不足';
+        }
+
+        if ($goods_num <= 0) {
+            $goods_num = 1;
+        }
+
+        $update = [
+            'update_time' => time(),
+            'goods_num' => $goods_num,
+        ];
+
+        Db::name('cart')->where(['id' => $cart_id])->update($update);
+
+        return true;
+    }
+
+    //购物车选中状态
+    public static function selected($post, $user_id)
+    {
+        return Db::name('cart')
+            ->where(['id' => $post['cart_id'], 'user_id' => $user_id])
+            ->update(['selected' => $post['selected'], 'update_time' => time()]);
+    }
+
+    //检查库存
+    public static function checkStock($item_id, $goods_num)
+    {
+        $item_info = Db::name('goods_item')
+            ->where('id', $item_id)->find();
+
+        if ($goods_num > $item_info['stock']) {
+            return true;
+        }
+        return false;
+    }
+
+    //列表
+    public static function lists($user_id)
+    {
+        $field = 'g.name,g.image,g.id as goods_id,g.status as g_status,g.del as g_del,
+        i.spec_value_str,i.price,i.image as item_image,c.goods_num,c.selected,c.id as cart_id,c.item_id,i.stock as item_stock';
+
+        $carts = Db::name('cart c')
+            ->field($field)
+            ->join('goods g', 'g.id = c.goods_id')
+            ->join('goods_item i', 'i.id = c.item_id')
+            ->where('c.user_id', $user_id)
+            ->order('c.create_time desc')
+            ->select();
+
+        $goods_num = 0;
+        $total = 0;
+        $lists = [];
+
+        foreach ($carts as $k1 => $cart) {
+
+            $cart_img = empty($cart['item_image']) ? $cart['image'] : $cart['item_image'];
+            $cart['img'] = UrlServer::getFileUrl($cart_img);
+
+            $cart['cart_status'] = 0;
+            if ($cart['g_status'] == 0) {
+                $cart['cart_status'] = 1;
+            }
+
+            if ($cart['g_del'] == 1) {
+                $cart['cart_status'] = 2;
+            }
+
+            $cart['sub_price'] = 0;
+            if ($cart['selected'] == Cart::IS_SELECTED && $cart['cart_status'] == 0) {
+                $goods_num += $cart['goods_num'];
+                $total += $cart['price'] * $cart['goods_num'];
+                $cart['sub_price'] = round($cart['price'] * $cart['goods_num'], 2);
+            }
+
+            $cart['selected'] = intval($cart['selected']);
+            unset($cart['image'], $cart['item_image']);
+            $lists[] = $cart;
+        }
+
+        return [
+            'lists' => $lists,
+            'total_amount' => round($total, 2),
+            'total_num' => $goods_num,
+        ];
+    }
+
+    //获取购物车数量
+    public static function cartNum($user_id)
+    {
+        $num = Db::name('cart')->alias('c')
+            ->join('goods g', 'g.id = c.goods_id')
+            ->join('goods_item i', 'i.id = c.item_id')
+            ->where('c.user_id', $user_id)
+            ->sum('goods_num');
+        return ['num' => $num ?? 0];
+    }
+
+}