| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  | namespace PubPeerFoundation\PublicationDataExtractor\Resources\Extractors; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  | use Tightenco\Collect\Support\Arr; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  | class EutilsEfetch extends Extractor implements ProvidesPublicationData, ProvidesIdentifiersData, ProvidesAuthorsData, ProvidesJournalData | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |      * Create search tree. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |     protected function getDataFromDocument() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |         $this->searchTree = $this->document->{'PubmedArticle'}; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 | 8 |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 | 8 |  |      * Extract and format data needed for the Publication Model. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 | 8 |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 | 8 |  |     public function extractPublicationData() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 | 4 |  |         $this->output['publication'] = [ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |             'title' => get_string($this->searchTree, 'MedlineCitation.Article.ArticleTitle'), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 | 4 |  |             'url' => (string) 'http://www.ncbi.nlm.nih.gov/pubmed/'.get_string($this->searchTree, 'MedlineCitation.PMID'), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |             'published_at' => date_from_pub_date(data_get($this->searchTree, 'MedlineCitation.Article.Journal.JournalIssue.PubDate')), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 | 4 |  |             'abstract' => get_string($this->searchTree, 'MedlineCitation.Article.Abstract.AbstractText'), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 | 4 |  |         ]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 | 4 |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 | 4 |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 | 4 |  |      * Extract and format data needed for the Identifiers Relationship | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |      * on the Publication Model. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 | 4 |  |     public function extractIdentifiersData() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 | 4 |  |         foreach ($this->searchTree->PubmedData->ArticleIdList->ArticleId as $identifier) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 | 4 |  |             $this->output['identifiers'][] = [ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |                 'value' => (string) $identifier, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |                 'type' => (string) $identifier['IdType'], | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |             ]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 | 4 |  |         if ($value = get_string($this->searchTree, 'MedlineCitation.Article.Journal.ISSN')) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |             $this->output['identifiers'][] = [ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 | 4 |  |                 'value' => $value, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 | 4 |  |                 'type' => 'issn', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 | 4 |  |             ]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 | 4 |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 | 4 |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 | 4 |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |      * Extract and format data needed for the Journals Relationship | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |      * on the Publication Model. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |     public function extractJournalData() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 | 4 |  |         $this->output['journal'] = [ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |             'title' => get_string($this->searchTree, 'MedlineCitation.Article.Journal.Title'), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 | 4 |  |             'issn' => $this->getIssns(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 | 4 |  |         ]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 | 4 |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 | 4 |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |      * Extract and format data needed for the Authors Relationship | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |      * on the Publication Model. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 | 4 |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 | 4 |  |     public function extractAuthorsData() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 | 4 |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 | 4 |  |         try { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |             foreach ($this->searchTree->MedlineCitation->Article->AuthorList->Author as $author) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  |                 if (! empty($lastName = get_string($author, 'LastName'))) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 | 4 |  |                     $affiliations = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  |                     foreach ($author->AffiliationInfo as $affiliation) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  |                         $affiliations[]['name'] = get_string($affiliation, 'Affiliation'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  |                     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  |                     $this->output['authors'][] = [ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 | 4 |  |                         'first_name' => get_string($author, 'ForeName'), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  |                         'last_name' => $lastName, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 | 4 |  |                         'email' => get_string(find_emails_in_array(Arr::pluck($affiliations, 'name')), 0), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  |                         'affiliation' => $affiliations, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 | 4 |  |                     ]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 | 4 |  |                 } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  |         } catch (\Exception $e) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 | 4 |  |             // Empty catch block, don't want anything to happen in case of exception. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 | 4 |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 | 4 |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 | 4 |  |      * Get all available ISSNs values from the tree. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 | 4 |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 |  |  |      * @return array | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 93 | 4 |  |      */ | 
            
                                                                        
                            
            
                                    
            
            
                | 94 |  |  |     protected function getIssns() | 
            
                                                                        
                            
            
                                    
            
            
                | 95 |  |  |     { | 
            
                                                                        
                            
            
                                    
            
            
                | 96 |  |  |         $issn = []; | 
            
                                                                        
                            
            
                                    
            
            
                | 97 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 98 |  |  |         if ($number = get_string($this->searchTree, 'MedlineCitation.Article.Journal.ISSN')) { | 
            
                                                                        
                            
            
                                    
            
            
                | 99 | 8 |  |             $issn[] = $number; | 
            
                                                                        
                            
            
                                    
            
            
                | 100 |  |  |         } | 
            
                                                                        
                            
            
                                    
            
            
                | 101 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 102 | 8 |  |         if ($number = get_string($this->searchTree, 'MedlineCitation.MedlineJournalInfo.ISSNLinking')) { | 
            
                                                                        
                            
            
                                    
            
            
                | 103 | 7 |  |             $issn[] = $number; | 
            
                                                                        
                            
            
                                    
            
            
                | 104 | 7 |  |         } | 
            
                                                                        
                            
            
                                    
            
            
                | 105 | 7 |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 106 | 7 |  |         return $issn; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 |  |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 108 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 109 |  |  |  |