1
|
|
|
<?php |
2
|
|
|
|
3
|
|
|
namespace PubPeerFoundation\PublicationDataExtractor\Resources\Extractors; |
4
|
|
|
|
5
|
|
|
class Arxiv extends Extractor implements ProvidesPublicationData, ProvidesIdentifiersData, ProvidesAuthorsData, ProvidesJournalData, ProvidesTypesData |
6
|
|
|
{ |
7
|
|
|
/** |
8
|
|
|
* Create search tree. |
9
|
|
|
*/ |
10
|
|
|
protected function getDataFromDocument() |
11
|
|
|
{ |
12
|
|
|
$this->searchTree = $this->document->entry; |
13
|
|
|
} |
14
|
|
|
|
15
|
4 |
|
/** |
16
|
|
|
* Extract and format data needed for the Publication Model. |
17
|
4 |
|
*/ |
18
|
4 |
|
public function extractPublicationData() |
19
|
|
|
{ |
20
|
4 |
|
$this->output['publication'] = [ |
21
|
|
|
'title' => get_string($this->searchTree, 'title'), |
22
|
4 |
|
'abstract' => get_string($this->searchTree, 'summary'), |
23
|
|
|
'url' => get_string($this->searchTree, 'id'), |
24
|
4 |
|
'published_at' => date_from_parseable_format(get_string($this->searchTree, 'published')), |
25
|
4 |
|
]; |
26
|
4 |
|
} |
27
|
4 |
|
|
28
|
4 |
|
/** |
29
|
|
|
* Extract and format data needed for the Identifiers Relationship |
30
|
4 |
|
* on the Publication Model. |
31
|
|
|
*/ |
32
|
|
|
public function extractIdentifiersData() |
33
|
4 |
|
{ |
34
|
|
|
$this->output['identifiers'][] = [ |
35
|
4 |
|
'value' => (string) $this->getIdentifier(), |
36
|
4 |
|
'type' => 'arxiv', |
37
|
|
|
]; |
38
|
|
|
|
39
|
|
|
$this->output['identifiers'][] = [ |
40
|
|
|
'value' => '2331-8422', |
41
|
4 |
|
'type' => 'issn', |
42
|
|
|
]; |
43
|
4 |
|
} |
44
|
4 |
|
|
45
|
4 |
|
/** |
46
|
4 |
|
* Extract and format data needed for the Journals Relationship |
47
|
4 |
|
* on the Publication Model. |
48
|
|
|
*/ |
49
|
4 |
|
public function extractJournalData() |
50
|
|
|
{ |
51
|
|
|
$this->output['journal'] = [ |
52
|
|
|
'title' => 'arXiv', |
53
|
|
|
'issn' => ['2331-8422'], |
54
|
|
|
]; |
55
|
4 |
|
} |
56
|
|
|
|
57
|
4 |
|
/** |
58
|
4 |
|
* Extract and format data needed for the Authors Relationship |
59
|
4 |
|
* on the Publication Model. |
60
|
|
|
*/ |
61
|
|
|
public function extractAuthorsData() |
62
|
4 |
|
{ |
63
|
|
|
foreach (get_array($this->searchTree, 'author') as $author) { |
64
|
|
|
$name = explode(' ', $author->name, 2); |
65
|
|
|
$this->output['authors'][] = [ |
66
|
4 |
|
'first_name' => $name[0] ?? null, |
67
|
|
|
'last_name' => $name[1] ?? null, |
68
|
|
|
]; |
69
|
|
|
} |
70
|
|
|
} |
71
|
|
|
|
72
|
4 |
|
/** |
73
|
|
|
* Extract and format data needed for the Types Relationship |
74
|
4 |
|
* on the Publication Model. |
75
|
|
|
*/ |
76
|
|
|
public function extractTypesData() |
77
|
|
|
{ |
78
|
4 |
|
$this->output['types'][] = [ |
79
|
|
|
'name' => 'arxiv', |
80
|
|
|
]; |
81
|
|
|
} |
82
|
|
|
|
83
|
|
|
/** |
84
|
4 |
|
* @return mixed |
85
|
|
|
*/ |
86
|
4 |
|
protected function getIdentifier() |
87
|
4 |
|
{ |
88
|
4 |
|
$urlParts = explode('/', $this->searchTree->id[0]); |
89
|
4 |
|
|
90
|
4 |
|
return array_pop($urlParts); |
91
|
|
|
} |
92
|
|
|
} |
93
|
|
|
|