<?php

namespace app\model;


use app\util\Util;
use config\constants\Constants;
use DateTimeInterface;
use Illuminate\Support\Carbon;
use support\Model;
use Illuminate\Database\Eloquent\SoftDeletes;

class Tag extends Model
{
    /**
     * The table associated with the model.
     *
     * @var string
     */
    protected $table = 'crm_tag';

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

    //设置黑名单
    protected $guarded = ['id','created_at','updated_at'];

    // 指定日期字段存储格式为时间戳
    protected $dateFormat = 'U';

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

    use SoftDeletes;
    protected $dates = ['deleted_at'];

    // 定义反向多对一关联
    public function group()
    {
        return $this->belongsTo(TagGroup::class, 'group_id', 'id');
    }

    public function customers()
    {
        return $this->belongsToMany(Customer::class, 'customer_tag', 'tag_id', 'customer_id');
    }
}