lianjie_admin/app/Admin/Forms/v3/CouponPublishForm.php

<?php

namespace App\Admin\Forms\v3;

use Dcat\Admin\Widgets\Form;
use Symfony\Component\HttpFoundation\Response;
use App\Models\v3\CouponReceiveType as ReceiveTypeModel;
use App\Models\v3\CouponSetting as SettingModel;
use App\Models\v3\Coupon as CouponModel;
use Dcat\Admin\Contracts\LazyRenderable;
use Dcat\Admin\Traits\LazyWidget;

class CouponPublishForm extends Form implements LazyRenderable
{
    use LazyWidget;
    /**
     * Handle the form request.
     *
     * @param array $input
     *
     * @return Response
     */
    public function handle(array $input)
    {
        // 获取外部传递参数
        $id = $input['id'];
        $receiveType = $input['receive_type'];

        $coupon = CouponModel::find($id);
        if(!$coupon){
            return $this->error('优惠券不存在或已删除！');
        }
        
        switch($coupon->status){
            case 0:
            case 3:
                $time = time();
                // 判断活动时间
                if($coupon->end_time <= $time + SettingModel::$publishTime){
                    return $this->error('活动时间已经接近，请重新设置！');
                }

                if($coupon->status == 0){
                    // 删除领取方式
                    $delRes = ReceiveTypeModel::where('coupon_id',$id)->delete();
                    if($delRes === false){
                        return $this->error('发布失败！');
                    }
                    // 添加领取方式
                    $receiveModel = new ReceiveTypeModel();
                    $receiveModel->coupon_id = $id;
                    $receiveModel->receive_type = $receiveType;
                    // 获取一次可领取数量
                    $receiveNumber = SettingModel::getSettingInfo($receiveType,'value');
                    $receiveModel->one_receive_number = empty($receiveNumber) ? 1 : $receiveNumber->value;
                    if(!$receiveModel->save()){
                        return $this->error('发布失败！');
                    }
                }
               
                $coupon->status = 1;
                if($coupon->save()){
                    return $this->success('发布成功','/coupon');
                }
            break;
            case 1:
                return $this->error('优惠券已发布！');
            break;
            case 2:
                return $this->error('优惠券已领完！');
            break;
            case -1:
                return $this->error('优惠券已删除！');
            break;
        }
        return $this->error('发布失败！');
    }

    /**
     * Build a form here.
     */
    public function form()
    {
        $id = $this->payload['id'] ?? 0;
        $title = $this->payload['title'] ?? '';
        $status = $this->payload['status'] ?? -1;

        $this->hidden('id')->value($id);
        $this->display('title','标题')->value($title);
        $receiveTypeInfo = ReceiveTypeModel::getReceiveTypeOne([['coupon_id','=',$id]],'receive_type');
        $list = SettingModel::getSettingArray();
        $receiveType = empty($receiveTypeInfo->receive_type)? 0 :$receiveTypeInfo->receive_type;
        if($status == 0){
            $this->select('receive_type','领取方式')->required()->options($list)->value($receiveType);
        }else{
            $this->select('receive_type','领取方式')->options($list)->value($receiveType)->disable();
        }
        $this->disableResetButton();
    }

    /**
     * The data of the form.
     *
     * @return array
     */
    public function default()
    {
        return [];
    }

}