<?php
// +----------------------------------------------------------------------
// | 文件说明：幻灯片
// +----------------------------------------------------------------------
// | Copyright (c) 2013-2017 http://www.thinkcmf.com All rights reserved.
// +----------------------------------------------------------------------
// | Author: wuwu <15093565100@163.com>
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Date: 2017-5-25
// +----------------------------------------------------------------------
namespace api\rob\controller;

use api\activity\model\ActivityJoinModel;
use api\activity\model\ActivityModel;
use api\activity\model\ActivitySiteJoinModel;
use api\applet\model\UserModel;
use app\rob\model\OrderModel;
use app\rob\model\ProductModel;
use cmf\controller\RestBaseController;

class ProductController extends RestBaseController
{
    /**
     * 列表
     */
    public function index()
    {
        $param = $this->request->param();
        $page  = empty($param['page']) ? 1 : $param['page'];
        $size  = empty($param['size']) ? 10 : $param['size'];

        //搜索条件
        $where = [['on_sale', '=', 1]];
        $exp   = '(CASE WHEN start_time <= NOW() AND NOW() <= end_time THEN 1 ELSE 0 END) DESC,';
        $exp   .= '(CASE WHEN start_time > NOW() THEN 1 ELSE 0 END) DESC,';
        $exp   .= '(CASE WHEN end_time < NOW() THEN 1 ELSE 0 END) DESC';
        $order = new \think\db\Expression($exp);
        $list  = ProductModel::where($where)
            ->order($order)
            ->page($page, $size)
            ->select();

        //数据处理
        if (!$list->isEmpty()) {
            foreach ($list as $v) {
                $v['image_main']  = cmf_get_image_preview_url($v['image_main']);
                $v['status']      = $v['status'];
                $v['status_text'] = $v['status_text'];
                $v['type_text']   = $v['type_text'];
            }
        }

        $this->success('成功', $list);
    }

    /**
     * 详情
     */
    public function detail()
    {
        $id = $this->request->post('id');

        $info               = ProductModel::get($id);
        $info['type_text']  = $info['type_text'];
        $info['image_main'] = cmf_get_image_preview_url($info['image_main']);
        if (!empty($info['image_list'])) {
            $options = [];
            foreach ($info['image_list'] as $v) {
                $options[] = [
                    'url'  => cmf_get_file_download_url($v['url']),
                    'name' => $v['name'],
                ];
            }
            $info['image_list'] = $options;
        }

        $this->success('成功', $info);
    }

    /**
     * 购买
     */
    public function buy()
    {
        $id = $this->request->post('id');

        $model = new ProductModel();
        $model->startTrans();
        try {
            $product = $model->lock(true)->where('id', $id)->find();
            if ($this->user['score'] < $product['point']) {
                throw new \Exception("积分不足，您的积分只有{$this->user['score']}！");
            }
            if ($product['quantity'] <= 0) {
                throw new \Exception("商品数量不足！");
            }
            OrderModel::addOrder($this->user, $product, 1);
            $product->quantity--;
            $product->save();

            $model->commit();
        } catch (\Exception $e) {
            $model->rollback();
            $this->error($e->getMessage());
        }

        $this->success('抢购成功');
    }
}