<?php

namespace app\common\model;

use support\Model;

/**
 * roles 角色表
 * @property integer $id 角色ID(主键)
 * @property string $name 角色名称
 * @property string $desc 角色描述
 * @property string $created_at 
 * @property string $updated_at
 */
class Role extends Model
{
    /**
     * The connection name for the model.
     *
     * @var string|null
     */
    protected $connection = 'mysql';
    
    /**
     * The table associated with the model.
     *
     * @var string
     */
    protected $table = 'roles';

    /**
     * The primary key associated with the table.
     *
     * @var string
     */
    protected $primaryKey = 'id';

    /**
     * Indicates if the model should be timestamped.
     *
     * @var bool
     */
    public $timestamps = true;

    protected $dateFormat = 'U';

    protected $fillable = [
        'system_id',
        'name',
        'desc',
        'sort',
        'status'
    ];
    
    // 角色下所有用户
    public function users()
    {
        return $this->belongsToMany(User::class, 'user_roles', 'role_id', 'user_id');
    }

    // 角色拥有的资源（权限点、菜单）
    public function resources()
    {
        return $this->belongsToMany(Resource::class, 'role_resources', 'role_id', 'resource_id');
    }
}