107 lines
3.7 KiB
PHP
107 lines
3.7 KiB
PHP
<?php
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namespace Beike\Models;
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use Illuminate\Database\Eloquent\Factories\HasFactory;
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use Illuminate\Database\Eloquent\SoftDeletes;
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class Logistics extends Base{
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use HasFactory;
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use SoftDeletes;
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protected $fillable = [
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'name',
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'warehouse_name',
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'country_id',
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'country_ids',
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'type',
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'first_weight',
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'first_weight_fee',
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'continuation_weight_max',
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'add_weight',
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'continuation_weight_fee',
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'throwing_ratio',
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'num_fee',
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'day_min',
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'day_max',
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'position'
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];
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/**
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* Common: 根据国家ID 获取所有关联的物流列表
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* Author: wu-hui
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* Time: 2023/08/22 10:31
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* @param int $countryId
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* @param string[] $field
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* @return array
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*/
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public static function getAll(int $countryId,$field = ['id','name','warehouse_name','type','day_min','day_max']){
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$list = self::select($field)
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->whereRaw(\DB::raw('FIND_IN_SET('.$countryId.',country_ids)'))
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->with(['weights'])
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->orderBy('position','ASC')
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->orderBy('id','ASC')
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->get();
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return $list ? $list->toArray() : [];
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}
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/**
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* Common: 物流过滤 - 根据商品和物流列表过滤 仅返回有效的物流
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* Author: wu-hui
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* Time: 2023/08/29 10:02
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* @param $logisticsList
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* @param $productsList
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* @return array|array[]
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*/
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public static function LogisticsFiltering($logisticsList,$productsList){
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$eligibleList = array_map(function($logisticsItem) use ($productsList){
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// 判断：物流是否按照重量计算 weight：按重量计费，num：按数量计费，free：卖家包邮
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if($logisticsItem['type'] == 'weight'){
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$weights = (array)$logisticsItem['weights'];// 续重区间列表
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$firstWeight = (float)$logisticsItem['first_weight'];// 首重
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if(!$weights) {
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$logisticsItem = [];
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}else{
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// 循环判断：只要有一个商品不符合条件 则当前物流不可用；
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foreach($productsList as $productItem){
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// 计算体积重 并且取数值大的作为重量计算
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$volumeWeight = $productItem['volume_weight'] / $logisticsItem['throwing_ratio'];
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$sumWeight = $productItem['sum_weight'] > $volumeWeight ? $productItem['sum_weight'] : $volumeWeight;
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// 总重量 - 减首重 = 剩余重量
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$surplusWeight = $sumWeight - $firstWeight;
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// 判断：如果剩余重量小于等于0 则符合条件；否则计算续重区间
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if($surplusWeight <= 0){
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continue;
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}else{
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$eligibleCount = collect($weights)
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->where('min','<=',$sumWeight)//$surplusWeight
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->where('max','>',$sumWeight)//$surplusWeight
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->count();
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if($eligibleCount <= 0) {
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$logisticsItem = [];
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break;
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}
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}
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}
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}
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}
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return $logisticsItem;
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},$logisticsList);
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return array_filter($eligibleList);
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}
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public function country(){
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return $this->belongsTo(Country::class,'country_id','id');
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}
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public function weights(){
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return $this->hasMany(LogisticsWeight::class,'logistics_id','id');
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}
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}
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