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

<?php
/**
 * 活动商品复制表单
 */
namespace App\Admin\Forms\v3;

use Dcat\Admin\Models\Administrator;
use Dcat\Admin\Traits\LazyWidget;
use Dcat\Admin\Widgets\Form;
use Dcat\Admin\Contracts\LazyRenderable;
use Symfony\Component\HttpFoundation\Response;
use App\Models\v3\Store as StoreModel;
use App\Models\v3\GoodsActivity as GoodsModel;
use App\Models\v3\GoodsActivityBanners as GoodsBannerModel;

class GoodsActivityCopyForm 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
        $goodsId = $input['id'];
        $storeIds= $input['store_ids'];
        $expireTime = $input['expire_time'];
        $timeLimitDays = $input['time_limit_days'];
        $timeLimitNum = $input['time_limit_num'];
        $canUseCoupon = $input['can_use_coupon'];
        $type = $input['type'];
        $inventory = $input['inventory'];

        if($expireTime <= time()){
            $this->error('活动结束时间必须大于当前时间！');
        }

        $goods = GoodsModel::find($goodsId);
        $goodsBanners = GoodsBannerModel::where('goods_id',$goodsId)->get();
        $markets = StoreModel::whereIn('id',$storeIds)->pluck('market_id','id');
        foreach($storeIds as $key =>$storeId){
            
            $marketId = $markets[$storeId]??0;
            $model = new GoodsModel();

            $model->expire_time = $expireTime;
            $model->time_limit_days = $timeLimitDays;
            $model->time_limit_num = $timeLimitNum;
            $model->can_use_coupon = $canUseCoupon;
            $model->type = $type;
            $model->inventory = $inventory;

            $model->store_id = $storeId;
            $model->market_id = $marketId;
            $model->market_ids = json_encode(["$marketId"]);
            $model->category_id = $goods->category_id;

            $model->name = $goods->name;
            $model->cover_img = $goods->cover_img;
            $model->goods_unit = $goods->goods_unit;

            $model->tags = $goods->tags;
            $model->spec = $goods->spec;
            $model->details_imgs = $goods->details_imgs;
            $model->content = $goods->content;
            $model->details = $goods->details;

            $model->price = $goods->price;
            $model->original_price = $goods->original_price;
            $model->vip_price = $goods->vip_price;

            $model->start_num = $goods->start_num;
            $model->restrict_num = $goods->restrict_num;
            $model->is_infinite = $goods->is_infinite;

            $model->on_sale = 0;
            $model->sort = $goods->sort;
            $model->remark = $goods->remark;

            if($model->save() && !empty($goodsBanners)){
                $goodsId = $model->getKey();
                $banners = [];
                foreach($goodsBanners as $kb => $vb){
                    $banners[] = [
                        'goods_id' => $goodsId,
                        'type'     => $vb->type,
                        'path'     => $vb->path,
                        'sort'     => $vb->sort,
                        'created_at' => time(),
                        'updated_at' => time(),
                    ];
                    GoodsBannerModel::insert($banners);
                }
            };
        }

        return $this->success('复制成功', '/goods_activity');
    }

    /**
     * Build a form here.
     */
    public function form()
    {
        $id = $this->payload['id'] ?? 0;
        $name = $this->payload['name'] ?? '';
    
        $this->hidden('id')->value($id);
        $this->display('name')->value($name)->help('复制的活动商品默认下架状态，请核对信息后手动上架！');
        $stores = StoreModel::getStoreArray();
        $this->multipleSelect('store_ids','选择店铺')->required()->options($stores)->help('选择店铺，将当前商品复制到所选店铺。注意选择重复店铺问题！！！');
        $this->number('inventory','库存')->required()->attribute('min', 1)->default(1);
        $this->datetime('expire_time','活动结束时间')->required()->format('YYYY-MM-DD HH:mm:ss')->rules('after:now',['after'=>'活动结束时间必须大于当前时间！']);
        $this->number('time_limit_days','限制的天数')->default(1)->help('A时间段内限购');
        $this->number('time_limit_num','限制购买数量')->default(1)->help('A时间段内限购的数量');
        $this->switch('can_use_coupon','可同时使用优惠券')->default(0);  
        $this->select('type','活动类型')->options(GoodsModel::$_TYPE)->default('flash_sale'); 
    }

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

}