|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
/* |
|
4
|
|
|
* This file is part of the ONGR package. |
|
5
|
|
|
* |
|
6
|
|
|
* (c) NFQ Technologies UAB <[email protected]> |
|
7
|
|
|
* |
|
8
|
|
|
* For the full copyright and license information, please view the LICENSE |
|
9
|
|
|
* file that was distributed with this source code. |
|
10
|
|
|
*/ |
|
11
|
|
|
|
|
12
|
|
|
namespace ONGR\CurrencyExchangeBundle\Driver; |
|
13
|
|
|
|
|
14
|
|
|
use GuzzleHttp\Client; |
|
15
|
|
|
|
|
16
|
|
|
/** |
|
17
|
|
|
* This class downloads exchange rates from http://www.ecb.europa.eu/stats/eurofxref/eurofxref-daily.xml. |
|
18
|
|
|
*/ |
|
19
|
|
|
class EcbDriver implements CurrencyDriverInterface |
|
20
|
|
|
{ |
|
21
|
|
|
/** |
|
22
|
|
|
* @var null|Client |
|
23
|
|
|
*/ |
|
24
|
|
|
private $httpClient; |
|
25
|
|
|
|
|
26
|
|
|
/** |
|
27
|
|
|
* @param null|Client $httpClient |
|
28
|
|
|
*/ |
|
29
|
|
|
public function __construct(Client $httpClient = null) |
|
30
|
|
|
{ |
|
31
|
|
|
$this->httpClient = $httpClient ? $httpClient : new Client(); |
|
32
|
|
|
} |
|
33
|
|
|
|
|
34
|
|
|
/** |
|
35
|
|
|
* Downloads raw currency data. |
|
36
|
|
|
* |
|
37
|
|
|
* @return array |
|
38
|
|
|
*/ |
|
39
|
|
|
private function getRawData() |
|
40
|
|
|
{ |
|
41
|
|
|
$request = $this->httpClient->get( |
|
42
|
|
|
'http://www.ecb.europa.eu/stats/eurofxref/eurofxref-daily.xml' |
|
43
|
|
|
); |
|
44
|
|
|
|
|
45
|
|
|
try { |
|
46
|
|
|
$xml = simplexml_load_string((string)$request->getBody(), 'SimpleXMLElement'); |
|
47
|
|
|
} catch (\Exception $e) { |
|
48
|
|
|
throw new \UnexpectedValueException('Got invalid response'); |
|
49
|
|
|
} |
|
50
|
|
|
|
|
51
|
|
|
return $xml; |
|
52
|
|
|
} |
|
53
|
|
|
|
|
54
|
|
|
/** |
|
55
|
|
|
* {@inheritdoc} |
|
56
|
|
|
*/ |
|
57
|
|
|
public function getRates() |
|
58
|
|
|
{ |
|
59
|
|
|
$rates = []; |
|
60
|
|
|
$response = $this->getRawData(); |
|
61
|
|
|
|
|
62
|
|
|
$valid = isset($response) && isset($response->Cube->Cube->Cube); |
|
63
|
|
|
if (!$valid) { |
|
64
|
|
|
throw new \UnexpectedValueException('Got invalid response'); |
|
65
|
|
|
} |
|
66
|
|
|
|
|
67
|
|
|
$data = $response->xpath('//gesmes:Envelope/*[3]/*'); |
|
68
|
|
|
foreach ($data[0]->children() as $child) { |
|
69
|
|
|
$code = (string)$child->attributes()->currency; |
|
70
|
|
|
$rate = (float)$child->attributes()->rate; |
|
71
|
|
|
$rates[$code] = $rate; |
|
72
|
|
|
} |
|
73
|
|
|
|
|
74
|
|
|
return $rates; |
|
75
|
|
|
} |
|
76
|
|
|
|
|
77
|
|
|
/** |
|
78
|
|
|
* {@inheritdoc} |
|
79
|
|
|
*/ |
|
80
|
|
|
public function getBaseCurrency() |
|
81
|
|
|
{ |
|
82
|
|
|
// Default base currency of The European Central Bank |
|
83
|
|
|
return 'EUR'; |
|
84
|
|
|
} |
|
85
|
|
|
} |
|
86
|
|
|
|
ongr-io /
CurrencyExchangeBundle
