|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
namespace SteffenBrand\CurrCurr\Client; |
|
4
|
|
|
|
|
5
|
|
|
use GuzzleHttp\Client; |
|
6
|
|
|
use GuzzleHttp\Psr7\Response; |
|
7
|
|
|
use Psr\SimpleCache\CacheInterface; |
|
8
|
|
|
use SteffenBrand\CurrCurr\Exception\ExchangeRatesRequestFailedException; |
|
9
|
|
|
use SteffenBrand\CurrCurr\Mapper\ExchangeRatesMapper; |
|
10
|
|
|
use SteffenBrand\CurrCurr\Model\ExchangeRate; |
|
11
|
|
|
|
|
12
|
|
|
class EcbClient implements EcbClientInterface |
|
13
|
|
|
{ |
|
14
|
|
|
/** |
|
15
|
|
|
* @const string |
|
16
|
|
|
*/ |
|
17
|
|
|
const DEFAULT_EXCHANGE_RATES_URL = 'https://www.ecb.europa.eu/stats/eurofxref/eurofxref-daily.xml'; |
|
18
|
|
|
|
|
19
|
|
|
/** |
|
20
|
|
|
* @const int |
|
21
|
|
|
*/ |
|
22
|
|
|
const CACHE_UNTIL_MIDNIGHT = -1; |
|
23
|
|
|
|
|
24
|
|
|
/** |
|
25
|
|
|
* @var Client |
|
26
|
|
|
*/ |
|
27
|
|
|
private $client; |
|
28
|
|
|
|
|
29
|
|
|
/** |
|
30
|
|
|
* @var CacheInterface |
|
31
|
|
|
*/ |
|
32
|
|
|
private $cache; |
|
33
|
|
|
|
|
34
|
|
|
/** |
|
35
|
|
|
* @var int |
|
36
|
|
|
*/ |
|
37
|
|
|
private $cacheTimeInSeconds; |
|
38
|
|
|
|
|
39
|
|
|
/** |
|
40
|
|
|
* @var string |
|
41
|
|
|
*/ |
|
42
|
|
|
private $exchangeRatesUrl; |
|
43
|
|
|
|
|
44
|
|
|
/** |
|
45
|
|
|
* @param string $exchangeRatesUrl |
|
46
|
|
|
* @param CacheInterface $cache |
|
47
|
|
|
* @param int $cacheTimeInSeconds -1 to cache until midnight |
|
48
|
|
|
*/ |
|
49
|
|
|
public function __construct(string $exchangeRatesUrl = self::DEFAULT_EXCHANGE_RATES_URL, CacheInterface $cache = null, int $cacheTimeInSeconds = self::CACHE_UNTIL_MIDNIGHT) |
|
50
|
|
|
{ |
|
51
|
|
|
$this->exchangeRatesUrl = $exchangeRatesUrl; |
|
52
|
|
|
$this->cache = $cache; |
|
53
|
|
|
$this->cacheTimeInSeconds = $cacheTimeInSeconds; |
|
54
|
|
|
$this->client = new Client(); |
|
55
|
|
|
} |
|
56
|
|
|
|
|
57
|
|
|
/** |
|
58
|
|
|
* @throws ExchangeRatesRequestFailedException |
|
59
|
|
|
* @return ExchangeRate[] |
|
60
|
|
|
*/ |
|
61
|
|
|
public function getExchangeRates(): array |
|
62
|
|
|
{ |
|
63
|
|
|
try { |
|
64
|
|
|
if (null !== $this->cache) { |
|
65
|
|
|
$response = $this->performCachedRequest(); |
|
66
|
|
|
} else { |
|
67
|
|
|
$response = $this->performRequest(); |
|
68
|
|
|
} |
|
69
|
|
|
} catch (\Exception $e) { |
|
70
|
|
|
throw new ExchangeRatesRequestFailedException($e); |
|
71
|
|
|
} |
|
72
|
|
|
|
|
73
|
|
|
$mapper = new ExchangeRatesMapper(); |
|
74
|
|
|
return $mapper->map($response); |
|
75
|
|
|
} |
|
76
|
|
|
|
|
77
|
|
|
/** |
|
78
|
|
|
* @return Response |
|
79
|
|
|
*/ |
|
80
|
|
|
private function performCachedRequest() |
|
81
|
|
|
{ |
|
82
|
|
|
$now = new \DateTime(); |
|
83
|
|
|
$key = 'curr-curr-' . $now->format('YY-mm-dd'); |
|
84
|
|
|
$responseBody = $this->cache->get($key); |
|
85
|
|
|
|
|
86
|
|
|
if (null === $responseBody) { |
|
87
|
|
|
$response = $this->performRequest(); |
|
88
|
|
|
if ($this->cacheTimeInSeconds === self::CACHE_UNTIL_MIDNIGHT) { |
|
89
|
|
|
$this->cacheTimeInSeconds = strtotime('tomorrow') - time(); |
|
90
|
|
|
} |
|
91
|
|
|
$this->cache->set($key, $response->getBody()->getContents(), $this->cacheTimeInSeconds); |
|
92
|
|
|
} else { |
|
93
|
|
|
$response = new Response(200, [], $responseBody); |
|
94
|
|
|
} |
|
95
|
|
|
|
|
96
|
|
|
return $response; |
|
97
|
|
|
} |
|
98
|
|
|
|
|
99
|
|
|
/** |
|
100
|
|
|
* @return Response |
|
101
|
|
|
*/ |
|
102
|
|
|
private function performRequest() |
|
103
|
|
|
{ |
|
104
|
|
|
$response = $this->client->request('GET', $this->exchangeRatesUrl); |
|
105
|
|
|
return $response; |
|
106
|
|
|
} |
|
107
|
|
|
|
|
108
|
|
|
} |
|
109
|
|
|
|
steffenbrand /
curr-curr
