packeta / src / Packetery / Module / Carrier / Downloader.php

Downloader.php in Packeta 1.4, at src/Packetery/Module/Carrier/Downloader.php

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1	<?php
2	/**
3	* Packeta carrier downloader
4	*
5	* @package Packetery
6	*/
7
8	declare( strict_types=1 );
9
10	namespace Packetery\Module\Carrier;
11
12	use Packetery\Module\Options\Provider;
13	use PacketeryGuzzleHttp\Client;
14	use PacketeryGuzzleHttp\Exception\GuzzleException;
15	use PacketeryGuzzleHttp\PacketeryPsr7\Response;
16
17	/**
18	* Class Downloader
19	*
20	* @package Packetery
21	*/
22	class Downloader {
23	private const API_URL = 'https://www.zasilkovna.cz/api/v4/%s/branch.json?address-delivery';
24	public const OPTION_LAST_CARRIER_UPDATE = 'packetery_last_carrier_update';
25
26	/**
27	* Guzzle client.
28	*
29	* @var Client Guzzle client.
30	*/
31	private $client;
32
33	/**
34	* Carrier updater.
35	*
36	* @var Updater Carrier updater.
37	*/
38	private $carrier_updater;
39
40	/**
41	* Options provider.
42	*
43	* @var Provider Options provider.
44	*/
45	private $options_provider;
46
47	/**
48	* Downloader constructor.
49	*
50	* @param Client $guzzle_client Guzzle client.
51	* @param Updater $carrier_updater Carrier updater.
52	* @param Provider $options_provider Options provider.
53	*/
54	public function __construct( Client $guzzle_client, Updater $carrier_updater, Provider $options_provider ) {
55	$this->client = $guzzle_client;
56	$this->carrier_updater = $carrier_updater;
57	$this->options_provider = $options_provider;
58	}
59
60	/**
61	* Runs update and returns result.
62	*
63	* @return array
64	*/
65	public function run(): array {
66	try {
67	$carriers = $this->fetch_as_array();
68	} catch ( \Exception $e ) {
69	return [
70	strtr(
71	// translators: keep %failReason placeholder intact.
72	__( 'Carrier download failed: %failReason Please try again later.', 'packeta' ),
73	array( '%failReason' => $e->getMessage() )
74	),
75	'error',
76	];
77	}
78	if ( ! $carriers ) {
79	return [
80	strtr(
81	// translators: keep %failReason placeholder intact.
82	__( 'Carrier download failed: %failReason Please try again later.', 'packeta' ),
83	array( '%failReason' => __( 'Failed to get the list.', 'packeta' ) )
84	),
85	'error',
86	];
87	}
88	$validation_result = $this->carrier_updater->validate_carrier_data( $carriers );
89	if ( ! $validation_result ) {
90	return [
91	strtr(
92	// translators: keep %failReason placeholder intact.
93	__( 'Carrier download failed: %failReason Please try again later.', 'packeta' ),
94	array( '%failReason' => __( 'Invalid API response.', 'packeta' ) )
95	),
96	'error',
97	];
98	}
99	$this->carrier_updater->save( $carriers );
100	update_option( self::OPTION_LAST_CARRIER_UPDATE, gmdate( DATE_ATOM ) );
101
102	return [
103	__( 'Carriers were updated.', 'packeta' ),
104	'success',
105	];
106	}
107
108	/**
109	* Cron job. No authorization needed - job is registered internally.
110	*/
111	public function runAndRender(): void {
112	[ $message, $class ] = $this->run();
113	echo esc_html( $message );
114	}
115
116	/**
117	* Downloads carriers and returns in array.
118	*
119	* @return array\|null
120	* @throws DownloadException DownloadException.
121	*/
122	private function fetch_as_array(): ?array {
123	$json = $this->download_json();
124
125	return $this->get_from_json( $json );
126	}
127
128	/**
129	* Downloads carriers in JSON.
130	*
131	* @return string
132	* @throws DownloadException DownloadException.
133	*/
134	private function download_json(): string {
135	$url = sprintf( self::API_URL, $this->options_provider->get_api_key() );
136	try {
137	/**
138	* Guzzle response.
139	*
140	* @var Response $result Guzzle response.
141	*/
142	$result = $this->client->get( $url );
143	} catch ( GuzzleException $exception ) {
144	throw new DownloadException( $exception->getMessage() );
145	}
146
147	return $result->getBody()->getContents();
148	}
149
150	/**
151	* Converts JSON to array.
152	*
153	* @param string $json JSON.
154	*
155	* @return array\|null
156	*/
157	private function get_from_json( string $json ): ?array {
158	$carriers_data = json_decode( $json, true );
159
160	return ( $carriers_data['carriers'] ?? null );
161	}
162	}
163