AFVzxxpN

1<?php
2
3namespace App\Helpers;
4
5use http\Exception;
6
7class Trimble
8{
9    /**
10     * holds Trimble api key
11     * @var string
12     */
13    private $apiKey;
14
15    /**
16     * guzzle client
17     * @var Client
18     */
19    private $client;
20
21    /**
22     * base URL
23     */
24    const API_BASE_URL = "https://pcmiler.alk.com/apis/rest/v1.0/service.svc/";
25
26    /**
27     * saves Trimble api key and initializes guzzle client
28     */
29    public function __construct()
30    {
31        if (function_exists('config')) {
32            $this->apiKey = config('custom.trimble.key');
33        }
34        $this->client = new \GuzzleHttp\Client($this->guzzleClientOptions());
35    }
36
37    /**
38     * fetches the distance between to locations (points)
39     * @param array $point1 - coordinates of first location
40     * @param array $point2 - coordinates of second location
41     * @param string $unit - unit of location (km/mi/nmi)
42     * @param integer $decimals - precision
43     * @return string - distance
44     */
45    public function getDistanceBetween($point1, $point2, $unit = 'km', $decimals = 2)
46    {
47        $queryString = $this->constructQueryString($point1['lng'].','.$point1['lat'].';'.$point2['lng'].','.$point2['lat'], "calcMiles");
48        $res = $this->makeRequest($queryString);
49        if(!is_null($res)){
50            return round($res[0]['TMiles'], $decimals);
51        } else {
52            return 0;
53        }
54    }
55
56    private function makeRequest($queryString)
57    {
58        try {
59            $response = $this->client->get($queryString);
60        } catch (\Exception $e) {
61            return null;
62        }
63        $results = json_decode($response->getBody(), true, 512);
64        return $results;
65    }
66
67    /**
68     * constructs the query string used in the Trimble api request
69     * @param string/array $locationOrCoordinates  - location or coordinates
70     * @param string $type - request type
71     * @return string
72     */
73    private function constructQueryString($locationOrCoordinates, $type)
74    {
75        switch ($type) {
76            case "calcMiles":
77                $queryString = 'route/routeReports?stops=' . urlencode($locationOrCoordinates) . '&reports=CalcMiles&authToken='. $this->apiKey;
78                break;
79        }
80        return $queryString;
81    }
82
83    /**
84     * returns options for the guzzle client
85     * @return array
86     */
87    private function guzzleClientOptions()
88    {
89        return [
90            'base_uri' => self::API_BASE_URL,
91            'cookies' => false,
92            'defaults' => [
93                'verify' => 'true',
94            ],
95        ];
96    }
97}