<?php

namespace App\Models;

use EloquentFilter\Filterable;
use Illuminate\Database\Eloquent\Model;

class BalanceLog extends Model
{
    use Filterable;

    public const ACTION_ORDER_PAID = 1;
    public const ACTION_ORDER_CANCELLED = 2;
    public const ACTION_ORDER_AFTER_SALE = 3;
    public const ACTION_WALLET_IN = 4;
    public const ACTION_TRANSFER_OUT = 5;
    public const ACTION_TRANSFER_IN = 6;

    /**
     * @var array
     */
    protected $fillable = [
        'user_id',
        'loggable_id',
        'loggable_type',
        'action',
        'before_balance',
        'change_balance',
        'remarks',
    ];

    /**
     * 转账记录
     *
     * @return void
     */
    public function scopeOnlyTransfer($query)
    {
        return $query->whereIn('action', [self::ACTION_TRANSFER_OUT, self::ACTION_TRANSFER_IN]);
    }

    /**
     * 获取变动金额
     *
     * @return string
     */
    public function getChangeBalanceFormatAttribute()
    {
        return trim_trailing_zeros(bcdiv($this->attributes['change_balance'], 100, 2));
    }
}