HNWelcomeSystemAdminDcat/app/Admin/Actions/Form/Follow/FollowAdminShowForm.php

<?php

namespace App\Admin\Actions\Form\Follow;

use App\Models\AdminFollowShow;
use App\Models\SecondaryCollege;
use App\Models\Speciality;
use Dcat\Admin\Traits\LazyWidget;
use Dcat\Admin\Widgets\Form;

class FollowAdminShowForm extends Form
{
    use LazyWidget;

    public function handle(array $input)
    {
        $user_id = $this->payload['user_id'];
        $data = array_filter($input);
        $data['updated_at'] = date('Y-m-d H:i:s', time());

        if (AdminFollowShow::query()->where('user_id', $user_id)->exists()) {
            if ($data['type'] == '1') {
                $data['speciality_id'] = [];
            } else {
                $data['secondary_college_id'] = [];
            }
            $sql = AdminFollowShow::query()->where('user_id', $user_id)->update($data);
        } else {
            $data['user_id'] = $user_id;
            $data['created_at'] = date('Y-m-d H:i:s', time());
            $sql = AdminFollowShow::query()->insert($data);
        }

        if (!$sql) {
            return $this->response()->error('绑定数据失败');
        }

        return $this->response()->success('绑定数据成功')->refresh();
    }


    public function form(): void
    {
        $user_id = $this->payload['user_id'];

        $info = AdminFollowShow::query()->where('user_id', $user_id)->first();

        $this->select("type", "类型")
            ->options([1 => '二级学院', 2 => '专业'])
            ->default($info['type'] ?? '')
            ->when('=', 1, function (Form $form) use ($info) {
                $this->multipleSelect("secondary_college_id", "二级学院")
                    ->options(function () {
                        return SecondaryCollege::query()->pluck("name", "id");
                    })
                    ->default($info['secondary_college_id'] ?? '')
                    ->saving(function ($value) {
                        return json_encode($value);
                    });
            })
            ->when('=', 2, function (Form $form) use ($info) {
                $this->multipleSelect("speciality_id", "专业")
                    ->options(function () {
                        $list = Speciality::query()->where("status", Speciality::STATUS_YES)->get()->toArray();
                        if (empty($list)) {
                            return [];
                        }
                        $select = [];
                        foreach ($list as $item) {
                            $college = SecondaryCollege::query()->where("id", $item["secondary_college_id"])->first();
                            $select[$item["id"]] = $item["speciality_name"] . "（{$college->name}）";
                        }

                        return $select;
                    })
                    ->default($info['speciality_id'] ?? '')
                    ->saving(function ($value) {
                        return json_encode($value);
                    });
            })
            ->required();
    }
}