|
1
|
|
|
<?php |
|
2
|
|
|
namespace Amazon; |
|
3
|
|
|
|
|
4
|
|
|
use Amazon\Exceptions\InvalidAsinException; |
|
5
|
|
|
|
|
6
|
|
|
|
|
7
|
|
|
/** |
|
8
|
|
|
* Class AsinFetcher |
|
9
|
|
|
* @see https://de.wikipedia.org/wiki/Amazon_Standard_Identification_Number |
|
10
|
|
|
* @package Amazon |
|
11
|
|
|
*/ |
|
12
|
|
|
class AsinParser extends Parser |
|
13
|
|
|
{ |
|
14
|
|
|
|
|
15
|
|
|
const LENGTH_ASIN = 10; |
|
16
|
|
|
|
|
17
|
|
|
/** |
|
18
|
|
|
* @var string |
|
19
|
|
|
*/ |
|
20
|
|
|
private $asin = null; |
|
21
|
|
|
|
|
22
|
|
|
public function __construct($url) |
|
23
|
|
|
{ |
|
24
|
|
|
parent::__construct($url); |
|
25
|
|
|
$urlParameter = parse_url($this->getUrl()); |
|
26
|
|
|
|
|
27
|
|
|
$this->processAsin($urlParameter['host'], $urlParameter['path']); |
|
28
|
|
|
} |
|
29
|
|
|
|
|
30
|
|
|
protected function processAsin($host, $path) |
|
31
|
|
|
{ |
|
32
|
|
|
$path = str_replace('/product', '', $path); |
|
33
|
|
|
$pathParts = explode('/', $path); |
|
34
|
|
|
|
|
35
|
|
|
//ShortUrl |
|
36
|
|
|
if (preg_match('/amzn/', $host)) { |
|
37
|
|
|
$this->setAsin(end($pathParts)); |
|
38
|
|
|
return; |
|
39
|
|
|
} |
|
40
|
|
|
|
|
41
|
|
|
if (false === array_key_exists(2, $pathParts)) { |
|
42
|
|
|
throw new InvalidAsinException(sprintf('Url %s has no ASIN', $this->getUrl())); |
|
43
|
|
|
} |
|
44
|
|
|
|
|
45
|
|
|
foreach ($pathParts as $index => $part) { |
|
46
|
|
|
if (strlen($part) === self::LENGTH_ASIN) { |
|
47
|
|
|
if (array_key_exists($index - 1, $pathParts) && $pathParts[$index - 1] === 'dp') { |
|
48
|
|
|
$this->setAsin($part); |
|
49
|
|
|
return; |
|
50
|
|
|
} |
|
51
|
|
|
|
|
52
|
|
|
} |
|
53
|
|
|
} |
|
54
|
|
|
|
|
55
|
|
|
if (strlen($pathParts[2]) !== self::LENGTH_ASIN) { |
|
56
|
|
|
throw new InvalidAsinException(sprintf('Url %s has no valid ASIN', $this->getUrl())); |
|
57
|
|
|
|
|
58
|
|
|
} |
|
59
|
|
|
//@todo length of ASIN! |
|
60
|
|
|
$this->setAsin($pathParts[2]); |
|
61
|
|
|
return; |
|
62
|
|
|
} |
|
63
|
|
|
|
|
64
|
|
|
/** |
|
65
|
|
|
* @return string |
|
66
|
|
|
*/ |
|
67
|
|
|
public function getAsin() |
|
68
|
|
|
{ |
|
69
|
|
|
return $this->asin; |
|
70
|
|
|
} |
|
71
|
|
|
|
|
72
|
|
|
/** |
|
73
|
|
|
* @param string $asin |
|
74
|
|
|
*/ |
|
75
|
|
|
protected function setAsin($asin) |
|
76
|
|
|
{ |
|
77
|
|
|
$this->asin = $asin; |
|
78
|
|
|
} |
|
79
|
|
|
|
|
80
|
|
|
/** |
|
81
|
|
|
* @return string |
|
82
|
|
|
*/ |
|
83
|
|
|
public function getCleanedUrl() |
|
84
|
|
|
{ |
|
85
|
|
|
return sprintf('http://www.amazon.%s/dp/%s/', $this->getTld(), $this->getAsin()); |
|
86
|
|
|
} |
|
87
|
|
|
} |
schmiddim /
amazon-asin-parser
