hainan/app/AdminAgent/Controllers/DemandController.php

<?php

namespace App\AdminAgent\Controllers;

use App\Models\AgentProduct;
use App\Models\Product;
use App\Traits\ResponseHelper;
use App\AdminAgent\Repositories\Demand;
use App\Models\DemandBidding;
use Dcat\Admin\Admin;
use Dcat\Admin\Form;
use Dcat\Admin\Grid;
use Dcat\Admin\Show;
use Dcat\Admin\Http\Controllers\AdminController;
use App\Traits\DemandTraits;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Http\Request;
use Illuminate\Support\Arr;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Log;
use Illuminate\Support\Facades\URL;

class DemandController extends AdminController
{

	use ResponseHelper;
    /**
     * Make a grid builder.
     *
     * @return Grid
     */
    protected function grid()
    {
        return Grid::make(new Demand(['publisher','biddingUser']), function (Grid $grid) {
            $grid->column('id')->sortable();
            $grid->column('title');
            $grid->column('detail','内容')->display('查看')->modal('详情',function ($modal) {
				$modal->xl();
            	return $this->comment;
			});
			$grid->column('images','图片')->display(function ($image) {
				return json_decode($image,true);
			})->image();
            $grid->column('deadline');
			$grid->column('publisher.name','发布人');
			$grid->column('publisher_type')->using(DemandTraits::$polymorphic);
			$grid->column('biddingUser.name','中标人');
			$grid->column('bidding_user_type','竞标用户类型')->using(DemandTraits::$polymorphic);
            $grid->column('price');
            $grid->column('stock');
            $grid->column('state')->using(DemandTraits::$state)->dot(
				[
					1 => 'yellow',
					2 => 'success',
					3 => 'danger',
				]
			);

            $grid->column('bidding','竞标')
				->if(function (){
					return $this->state == 1 && $this->bidding_user_type == Arr::first(DemandTraits::$col);
				})
				->then(function (Grid\Column $column) {
					$column->append('<a class="btn btn-sm btn-primary" href="'.admin_url('/demand_bidding/create?demand_id='.$this->id).'">发起竞标</a>');
				});
            $grid->column('created_at')->sortable();
			$grid->disableDeleteButton();
			$grid->disableEditButton();
			$grid->disableQuickEditButton();
			$grid->disableViewButton();
			$grid->disableActions();
            $grid->filter(function (Grid\Filter $filter) {
                $filter->equal('id');
				$filter->equal('bidding_user_type','竞标用户类型')->select(DemandTraits::$polymorphic);
            });
        });
    }

    /**
     * Make a show builder.
     *
     * @param mixed $id
     *
     * @return Show
     */
    protected function detail($id)
    {
        return Show::make($id, new Demand(['publisher','biddingUser']), function (Show $show) {
            $show->field('id');
            $show->field('title');
            $show->field('comment');
			$show->field('images')->image();
            $show->field('deadline');
            $show->field('bidding_user_type','竞标用户类型')->using(DemandTraits::$polymorphic);
            $show->field('price');
            $show->field('stock');
            $show->field('publisher_type')->using(DemandTraits::$polymorphic);
            $show->field('publisher.name','发布人');
            $show->field('state')->using(DemandTraits::$state)->dot(
				[
					1 => 'yellow',
					2 => 'danger',
					3 => 'success',
				]
			);;
            $show->field('created_at');
        });
    }

    /**
     * Make a form builder.
     *
     * @return Form
     */
    protected function form()
    {
        return Form::make(new Demand(), function (Form $form) {
			$form->disableEditingCheck();
			$form->disableCreatingCheck();
			$form->disableViewCheck();
            $form->display('id');
            $form->text('title');
            $form->text('comment');
			$form->multipleImage('images','图片')->limit(5)->saving(function ($path) {
				return json_encode($path);
			});
            $form->hidden('deadline');
            $form->select('bidding_user_type','竞标用户类型')
				->when([2],function (Form $form){
					$form->select('product_id','产品')->options(function (){
						return Product::query()->whereIn('agent_id',[0,Admin::user()->id])->pluck('title','id');
					});
				})
				->options([
            		1 => '供应商',
					2 => '地接'
				])
				->default(1);
			$form->decimal('price');
            $form->number('stock');
            $form->hidden('publisher_type');
            $form->hidden('publisher_id');
			$form->saving(function (Form $form) {
				// 判断是否是新增操作
				if ($form->isCreating()) {
					if ($form->bidding_user_type != 2) {
						$form->product_id = 0;
					}
					$form->bidding_user_type = DemandTraits::$col[$form->bidding_user_type];
					//处理流拍时间
					$form->deadline = now()->addDays(5);
					//发布人身份
					$form->publisher_type = DemandTraits::$col[0];
					$form->publisher_id = Admin::user()->id;
				}
			});
        });
    }

    public function binding()
	{
		$demandBiddingId = request('demand_bidding_id',0);
		$demandBidding = DemandBidding::find($demandBiddingId);
		if (empty($demandBidding)) {
			return false;
		}

		$demand = \App\Models\Demand::find($demandBidding->demand_id);

		if (empty($demand)) {
			return false;
		}

		DB::beginTransaction();
		try {
			//新建供应商订单
			$product = new Product();
			$product->agent_id = $demand->publisher_id;
			$product->title = $demand->title;
			$product->pictures = $demand->images;
			$product->price = $demand->price;
			$product->original_price = $demand->price;
			$product->stock = $demand->stock;
			$product->state = 0;
			$product->save();
			//处理代理商订单
			$agentProduct = new AgentProduct();
			$agentProduct->agent_id = $demand->publisher_id;
			$agentProduct->product_id = $product->id;
			$agentProduct->stock = $demand->stock;
			$agentProduct->price = $demand->price;
			$agentProduct->original_price = $demand->price;
			$agentProduct->state = 0;
			$agentProduct->save();
			//改变订单状态
			$demand->bidding_id = $demandBidding->id;
			$demand->bidding_user_id = $demandBidding->bidding_user_id;
			$demand->state = DemandTraits::$stateKey[1];
			$demand->save();
			DB::commit();
		} catch (\Exception $e) {
			Log::error('选中竞标失败::'.$e->getTraceAsString());
			DB::rollBack();
			return $this->jsonFail(1001,'选中竞标失败，稍后重试或联系管理员！'.$e->getMessage());
		}
		return back();
	}
}