test/app/Http/Models/LinkTaskUrl.php

<?php

namespace App\Http\Models;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\Pivot;
use Illuminate\Database\Eloquent\SoftDeletes;

class LinkTaskUrl extends Model
{
    use SoftDeletes;
    protected $table = 'link_tasks_url';
    protected $primaryKey = 'id';
    protected $guarded = [];

    protected $casts = [
        'show_urls' => 'array'
    ];

    const STATUS_TITLE = [
        3 => '待审核',
        4 => '未通过',
        5 => '已通过'
    ];

    const VALID_STATUS_TITLE = [
        3 => '待检测',
        4 => '网址异常',
        5 => '网址正常'
    ];

    public function getStatusWithCssAttribute()
    {
        $format = '<button type="button" class="btn btn-xs btn-primary">%s</button>';

        switch ($this->status ?? 0) {
            case 3:
                return sprintf($format, '待审核');
            case 4:
                return sprintf($format, '未通过');
            case 5:
                return sprintf($format, '已通过');
            default:
                return '';
        }
    }

    public function linkDetails()
    {
        return $this->belongsTo(LinkTaskDetail::class,'link_tasks_detail_id','id');
    }

}