| commit | author | age | ||
| 175a52 | 1 | <?php |
| 07517a | 2 | class ibd_BN implements ibd_module { |
| JK | 3 | public $url = 'http://data.bn.org.pl/api/bibs.json'; |
| 4 | public $limit = 20; | |
| 5 | ||
| 6 | function szukaj_info($tytul=NULL, $autor=NULL, $wydawnictwo=NULL) { | |
| 7 | $params = []; | |
| 8 | if(!empty($tytul)) { | |
| 9 | $params['title'] = $tytul; | |
| 10 | } | |
| 11 | if(!empty($autor)) { | |
| 12 | $params['author'] = $author; | |
| 13 | } | |
| 14 | if(!empty($wydawnictwo)) { | |
| 15 | $params['publisher'] = $wydawnictwo; | |
| 16 | } | |
| 17 | return $this->query($params); | |
| 18 | } | |
| 19 | ||
| 20 | function szukaj_ISBN($ISBN) { | |
| 21 | $result = $this->query(array( | |
| 22 | 'isbnIssn' => $ISBN, | |
| 23 | )); | |
| 24 | if(substr($ISBN, 0, 3) == '978') { | |
| 25 | $result = array_merge( | |
| 26 | $result, | |
| 27 | $this->query(array( | |
| 28 | 'isbnIssn' => convert::ISBN13_to_ISBN10( $ISBN ), | |
| 29 | )) | |
| 30 | ); | |
| 31 | } | |
| 32 | return $result; | |
| 33 | } | |
| 34 | ||
| 35 | function szukaj_ISSN($ISSN) { | |
| 36 | $result = $this->query(array( | |
| 37 | 'isbnIssn' => $ISSN, | |
| 38 | )); | |
| 39 | if(substr($ISSN, 0, 3) == '977') { | |
| 40 | $result = array_merge( | |
| 41 | $result, | |
| 42 | $this->query(array( | |
| 43 | 'isbnIssn' => convert::ISSN13_to_ISSN8( $ISSN ) | |
| 44 | )) | |
| 45 | ); | |
| 46 | } | |
| 47 | return $result; | |
| 48 | } | |
| 49 | ||
| 50 | protected function query($params) { | |
| 51 | $params['limit'] = $limit; | |
| 52 | $result = file_get_contents($this->url . '?' . http_build_query($params)); | |
| 53 | $result = json_decode($result, TRUE); | |
| 54 | return $this->extractArrays($result); | |
| 55 | ||
| 56 | } | |
| 57 | ||
| 58 | protected function convertSubfields($values) { | |
| 59 | $result = array(); | |
| 60 | if(!isset($values['subfields'])) { | |
| 61 | return array(); | |
| 62 | } | |
| 63 | if(isset($values['ind1'])) { | |
| 64 | $result['f0'] = $values['ind1']; | |
| 65 | } | |
| 66 | if(isset($values['ind2'])) { | |
| 67 | $result['f1'] = $values['ind2']; | |
| 68 | } | |
| 69 | foreach($values['subfields'] as $subfield) { | |
| 70 | foreach($subfield as $name => $value) { | |
| 71 | $result[$name] = $value; | |
| 72 | } | |
| 73 | } | |
| 74 | return $result; | |
| 75 | } | |
| 76 | ||
| 77 | protected function convert($entry) { | |
| 78 | $marc = array(); | |
| 79 | if(!isset($entry['marc'])) return NULL; | |
| 80 | if(!isset($entry['marc']['fields'])) return NULL; | |
| 81 | foreach($entry['marc']['fields'] as $fields) { | |
| 82 | foreach($fields as $field => $values) { | |
| 83 | if(!isset($marc[$field])) { | |
| 84 | $marc[$field] = array(); | |
| 85 | } | |
| 86 | $marc[$field][] = $this->convertSubfields($values); | |
| 87 | } | |
| 88 | } | |
| 89 | return $marc; | |
| 90 | } | |
| 91 | ||
| 92 | protected function extractArrays($result) { | |
| 93 | if(!$result) return array(); | |
| 94 | if(!$result['bibs']) return array(); | |
| 95 | ||
| 96 | $return = array(); | |
| 97 | foreach($result['bibs'] as $bib) { | |
| 98 | $marc = $this->convert($bib); | |
| 99 | $return[] = MARC21::to_array($marc); | |
| 100 | } | |
| 101 | return $return; | |
| 175a52 | 102 | } |
| JK | 103 | } |
