lanzu_api_2021-12-26/app/Service/v3/Implementations/LocationService.php

<?php


namespace App\Service\v3\Implementations;
use App\Constants\v3\ErrorCode;
use App\Exception\ErrorCodeException;
use App\Model\v3\UserCollection;
use App\Service\v3\Interfaces\LocationServiceInterface;
use App\Model\v3\Area;
use App\Model\v3\Market;
class LocationService implements LocationServiceInterface
{

    public function do()
    {
        // TODO: Implement do() method.
    }

    public function check()
    {
        // TODO: Implement check() method.
    }

    public function undo()
    {
        // TODO: Implement undo() method.
    }

    public function getMarketListByLocation($lng,$lat)
    {
        $cityIds = Market::query()->pluck('city_id');
        $res = Area::query()->with('markets')->whereIn('id',$cityIds)->get();
        foreach ($res as &$v){

            if(!empty($lng) && !empty($lat)) {
                $v->distance_num = $this->getDistance($v->lng, $v->lat, $lng, $lat);
                $v->distance = $v->distance_num . ' km';
            } else {
                $v->distance_num = 0;
                $v->distance = '';
            }

            foreach ($v->markets as &$m)
            {
                if(!empty($lng) && !empty($lat)){
                    $m->distance_num = $this->getDistance($m->lng, $m->lat, $lng, $lat);
                    $m->distance = $m->distance_num.' km';
                }else{
                    $m->distance_num = 0;
                    $m->distance = '';
                }
            }
        }

        $res = collect($res->toArray())->sortBy(function ($area, $key) {
            return $area['distance_num'];
        });

        $res = collect($res->all())->map(function ($area, $key) {
            $markets = collect($area['markets'])->sortBy('distance_num');
            $area['markets'] = $markets->values()->all();
            return $area;
        });

        return $res->all();
    }

    public function searchMarket($keywords,$lng,$lat,$cityId = 2163)
    {
        $res = Market::query()->where([
                ['name','like','%'.$keywords.'%'],
                ['city_id','=',$cityId]
            ])
            ->get();
        foreach ($res as &$v){
            if(!empty($lng) && !empty($lat)){
                $v->distance = ($this->getDistance($v->lng,$v->lat,$lng,$lat)).' km';
            }else{
                $v->distance = '';
            }
        }
        return $res;
    }

    public function getNearestMarket($lng,$lat)
    {
        $markets = Market::query()->get()->toArray();
        $result = [];
        $distinctMin = 0;
        foreach ($markets as &$market){
            $distinct = $this->getDistance($lng,$lat,$market['lng'],$market['lat'],1);
            $market['distinct'] = round(($distinct/1000),2).' km';
            if($distinct < $distinctMin || $distinctMin === 0) {
                $distinctMin = $distinct;
                $result = $market;
            }
        }
        return $result;
    }

    /**
     * @param $lng1
     * @param $lat1
     * @param $lng2
     * @param $lat2
     * @param int $unit 单位 1:米 2:公里
     * @param int $decimal 精度 保留小数位数
     * @return false|float
     */
    public function getDistance($lng1, $lat1, $lng2, $lat2, $unit = 2, $decimal = 2)
    {

        $EARTH_RADIUS = 6370.996; // 地球半径系数
        $PI           = 3.1415926535898;

        $radLat1 = $lat1 * $PI / 180.0;
        $radLat2 = $lat2 * $PI / 180.0;

        $radLng1 = $lng1 * $PI / 180.0;
        $radLng2 = $lng2 * $PI / 180.0;

        $a = $radLat1 - $radLat2;
        $b = $radLng1 - $radLng2;

        $distance = 2 * asin(sqrt(pow(sin($a / 2), 2) + cos($radLat1) * cos($radLat2) * pow(sin($b / 2), 2)));
        $distance = $distance * $EARTH_RADIUS * 1000;

        if ($unit === 2) {
            $distance /= 1000;
        }

        return round($distance, $decimal);
    }

    //获取服务站信息
    function getMarketsInfo()
    {
        return Market::where('status',1)->get();
    }

    //获取骑行距离
    public function  getDistanceByTencent($lng1, $lat1, $lng2, $lat2)
    {
        $url = 'https://apis.map.qq.com/ws/direction/v1/';
        /**
         * $tyep driving 驾车 walking 步行 bicycling 骑行 transit 公交
         */
        $type = 'bicycling';
        $key = 'GB3BZ-7W2CU-LW3VH-B7ZIF-XRKSF-D3FOL';
        $result = file_get_contents($url.$type.'/?from='.$lat1.','.$lng1.'&to='.$lat2.','.$lng2.'&output=json&key='.$key);
        $resultArr = json_decode($result,true);
        if($resultArr['status'] > 0)
        {
            return 1000;
            //throw new ErrorCodeException(ErrorCode::LOCATION_ERROR,$resultArr['message']);
        }
        $distance = $resultArr['result']['routes'][0]['distance'];
        return $distance;
    }
}