|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
declare(strict_types=1); |
|
4
|
|
|
|
|
5
|
|
|
namespace SteffenBrand\CurrCurr\Mapper; |
|
6
|
|
|
|
|
7
|
|
|
use Psr\Http\Message\ResponseInterface; |
|
8
|
|
|
use SimpleXMLElement; |
|
9
|
|
|
use SteffenBrand\CurrCurr\Exception\ExchangeRatesMappingFailedException; |
|
10
|
|
|
use SteffenBrand\CurrCurr\Model\ExchangeRate; |
|
11
|
|
|
|
|
12
|
|
|
/** |
|
13
|
|
|
* Class ExchangeRatesMapper |
|
14
|
|
|
* @package SteffenBrand\CurrCurr\Mapper |
|
15
|
|
|
*/ |
|
16
|
|
|
class ExchangeRatesMapper implements MapperInterface |
|
17
|
|
|
{ |
|
18
|
|
|
/** |
|
19
|
|
|
* Map exchange rates response. |
|
20
|
|
|
* |
|
21
|
|
|
* @param ResponseInterface $response |
|
22
|
|
|
* @return ExchangeRate[] |
|
23
|
|
|
* @throws \SteffenBrand\CurrCurr\Exception\ExchangeRatesMappingFailedException |
|
24
|
|
|
*/ |
|
25
|
|
|
public function map(ResponseInterface $response): array |
|
26
|
|
|
{ |
|
27
|
|
|
$body = (string) $response->getBody(); |
|
28
|
|
|
$xml = $this->parseBody($body); |
|
29
|
|
|
$date = $this->parseDate($xml); |
|
30
|
|
|
|
|
31
|
|
|
return $this->parseExchangeRates($xml, $date); |
|
32
|
|
|
} |
|
33
|
|
|
|
|
34
|
|
|
/** |
|
35
|
|
|
* Parse body. |
|
36
|
|
|
* |
|
37
|
|
|
* @param string $body |
|
38
|
|
|
* @return SimpleXMLElement |
|
39
|
|
|
* @throws \SteffenBrand\CurrCurr\Exception\ExchangeRatesMappingFailedException |
|
40
|
|
|
*/ |
|
41
|
|
|
private function parseBody(string $body): SimpleXMLElement |
|
42
|
|
|
{ |
|
43
|
|
|
if (empty($body) === false) { |
|
44
|
|
|
libxml_use_internal_errors(true); |
|
45
|
|
|
$xml = simplexml_load_string($body); |
|
46
|
|
|
$errors = libxml_get_errors(); |
|
47
|
|
|
if (empty($errors) === true) { |
|
48
|
|
|
return $xml; |
|
49
|
|
|
} |
|
50
|
|
|
} |
|
51
|
|
|
|
|
52
|
|
|
throw new ExchangeRatesMappingFailedException(); |
|
53
|
|
|
} |
|
54
|
|
|
|
|
55
|
|
|
/** |
|
56
|
|
|
* Parse date. |
|
57
|
|
|
* |
|
58
|
|
|
* @param SimpleXMLElement $xml |
|
59
|
|
|
* @return \DateTime |
|
60
|
|
|
* @throws \SteffenBrand\CurrCurr\Exception\ExchangeRatesMappingFailedException |
|
61
|
|
|
*/ |
|
62
|
|
|
private function parseDate(SimpleXMLElement $xml): \DateTime |
|
63
|
|
|
{ |
|
64
|
|
|
$date = \DateTime::createFromFormat('Y-m-d', (string) $xml->Cube->Cube['time']); |
|
65
|
|
|
if (false !== $date) { |
|
66
|
|
|
$date->setTime(0, 0); |
|
67
|
|
|
return $date; |
|
68
|
|
|
} |
|
69
|
|
|
|
|
70
|
|
|
throw new ExchangeRatesMappingFailedException(); |
|
71
|
|
|
} |
|
72
|
|
|
|
|
73
|
|
|
/** |
|
74
|
|
|
* Parse exchange rates. |
|
75
|
|
|
* |
|
76
|
|
|
* @param SimpleXMLElement $xml |
|
77
|
|
|
* @param \DateTime $date |
|
78
|
|
|
* @return array |
|
79
|
|
|
*/ |
|
80
|
|
|
private function parseExchangeRates(SimpleXMLElement $xml, \DateTime $date): array |
|
81
|
|
|
{ |
|
82
|
|
|
$exchangeRates = []; |
|
83
|
|
|
|
|
84
|
|
|
foreach ($xml->Cube->Cube->Cube as $item) { |
|
85
|
|
|
$currency = (string) $item['currency']; |
|
86
|
|
|
$rate = (float) $item['rate']; |
|
87
|
|
|
$exchangeRates[$currency] = new ExchangeRate( |
|
88
|
|
|
$currency, |
|
89
|
|
|
$rate, |
|
90
|
|
|
$date |
|
91
|
|
|
); |
|
92
|
|
|
} |
|
93
|
|
|
|
|
94
|
|
|
return $exchangeRates; |
|
95
|
|
|
} |
|
96
|
|
|
} |
steffenbrand /
curr-curr
