zhuishuyun_quickapp/app/Modules/Channel/Services/ChannelOrdersService.php

<?php
/**
 * Created by PhpStorm.
 * User: tandunzhao
 * Date: 2018/3/22
 * Time: 下午6:00
 */

namespace App\Modules\Channel\Services;

use DB;

class ChannelOrdersService
{
    public static function getCurrentMonthNewChannelsOrdersSum($channel_id) {
        return DB::table('orders')
            ->join('distribution_channels','distribution_channels.id','=','orders.distribution_channel_id')
            ->where([
                ['distribution_channels.id','=',$channel_id],
                ['orders.status','=','PAID'],
                ['distribution_channels.created_at','>=',date('Y-m-01 00:00:00')]
            ])
            ->sum('price');
    }

    public static function getChannelsOrdersSum($channel_id,$start_date) {
        return DB::table('orders')
            ->where([
                ['distribution_channel_id','=',$channel_id],
                ['status','=','PAID'],
                ['created_at','>=',$start_date],
            ])
            ->sum('price');
    }
}