szkp-map-service/app/Models/ActivityAuditLog.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;

class ActivityAuditLog extends Model
{
    public const ACTION_APPROVE = 'approve';

    public const ACTION_REJECT = 'reject';

    /** 场馆/创建人保存活动并重新提交审核（非平台超管的 PUT update） */
    public const ACTION_EDIT_SUBMIT = 'edit_submit';

    protected $fillable = [
        'activity_id',
        'admin_user_id',
        'action',
        'remark',
    ];

    public function activity(): BelongsTo
    {
        return $this->belongsTo(Activity::class);
    }

    public function adminUser(): BelongsTo
    {
        return $this->belongsTo(User::class, 'admin_user_id');
    }
}