yueshengshop/app/model/express/Express.php

<?php
/**
 * Niushop商城系统 - 团队十年电商经验汇集巨献!
 * =========================================================
 * Copy right 2019-2029 山西牛酷信息科技有限公司, 保留所有权利。
 * ----------------------------------------------
 * 官方网址: https://www.niushop.com.cn
 * 这不是一个自由软件！您只能在不用于商业目的的前提下对程序代码进行修改和使用。
 * 任何企业和个人不允许对程序代码以任何形式任何目的再发布。
 * =========================================================
 */

namespace app\model\express;


use app\model\BaseModel;
/**
 * 物流配送
 */
class Express extends BaseModel
{
    const express_type = [
        'express'=>["name" => "express", "title" => "物流配送"],
        'store'=>["name" => "store", "title" => "门店自提"],
        'local'=>["name" => "local", "title" => "外卖配送"],
    ];
    /**
     * 计算费用
     * @param array $shop_goods
     * @param array $data
     */
    public function calculate($shop_goods, $data)
    {

        //模板分组
        $template_array = [];
        foreach ($shop_goods['goods_list'] as $k => $v)
        {
            if($v['is_free_shipping'] == 1)
            {
                continue;
            }
            if(isset($template_array[$v['shipping_template']]))
            {
                $template_array[$v['shipping_template']] = [
                    'num' => $template_array[$v['shipping_template']]['num'] + $v['num'],
                    'weight' => $template_array[$v['shipping_template']]['weight'] + $v['weight']*$v['num'],
                    'volume' => $template_array[$v['shipping_template']]['volume'] + $v['volume']*$v['num'],
                ];
            }else{
                $template_array[$v['shipping_template']] = [
                    'num' => $v['num'],
                    'weight' => $v['weight']*$v['num'],
                    'volume' => $v['volume']*$v['num'],
                ];
            }
        }
        $express_template = new ExpressTemplate();
        $price = 0;
        foreach ($template_array as $k_template => $v_template)
        {
            if($k_template == 0)
            {
                //默认模板
                $template_info = $express_template->getDefaultTemplate($shop_goods['site_id']);
                
            }else{
                //默认模板
                $template_info = $express_template->getExpressTemplateInfo($k_template, $shop_goods['site_id']);
            }

            //判断模板是否配置完善
            if(empty($template_info["data"]))
            {
                //                continue;
                return $this->error([], "TEMPLATE_EMPTY");
            }


            $template_info = $template_info["data"];

            //开始计算
            $is_exist_template = false;
            foreach ($template_info['template_item'] as $k_item => $v_item)
            {
                if(strpos($v_item['area_ids'] , '"'.$data['member_address']['district_id'].'"') !== false)
                {
                    $is_exist_template = true;
                    //运算方式
                    switch($template_info['fee_type'])
                    {

                        case 1:
                            $tag = $v_template['weight'];
                            break;
                        case 2:
                            $tag = $v_template['volume'];
                            break;
                        case 3:
                            $tag = $v_template['num'];
                            break;
                        default:
                            break;
                    }
                    //开始计算
                    if ($tag <= $v_item['snum']) {
                        $price += $v_item['sprice'];
                    } else {
                        $ext_tag = $tag - $v_item['snum'];
                        if ($v_item['xnum'] == 0) {
                            $v_item['xnum'] = 1;
                        }
                        if (($ext_tag * 100) % ($v_item['xnum'] * 100) == 0) {
                            $ext_data = $ext_tag / $v_item['xnum'];
                        } else {
                            $ext_data = floor($ext_tag / $v_item['xnum']) + 1;
                        }
                        $price += $v_item['sprice'] + $ext_data * $v_item['xprice'];
                    }
                    break;
                }
                
            }
            if($is_exist_template == false){
                return $this->error('', "TEMPLATE_AREA_EXIST");
            }

        }
        return $this->success(["delivery_fee" => $price]);
    }
    
}