Merge pull request #4034 from alanorth/7_x-citation-doi

kshepherd · web-flow · commit 99840ba3bc3a · 2025-03-06T13:43:08.000+01:00
Add citation_doi tag to head meta
diff --git a/src/app/core/metadata/metadata.service.ts b/src/app/core/metadata/metadata.service.ts
@@ -161,6 +161,7 @@ export class MetadataService {
     this.setCitationKeywordsTag();
 
     this.setCitationAbstractUrlTag();
+    this.setCitationDoiTag();
     this.setCitationPdfUrlTag();
     this.setCitationPublisherTag();
 
@@ -173,7 +174,6 @@ export class MetadataService {
     // this.setCitationIssueTag();
     // this.setCitationFirstPageTag();
     // this.setCitationLastPageTag();
-    // this.setCitationDOITag();
     // this.setCitationPMIDTag();
 
     // this.setCitationFullTextTag();
@@ -294,6 +294,18 @@ export class MetadataService {
     }
   }
 
+  /**
+   * Add <meta name="citation_doi" ... >  to the <head>
+   */
+  private setCitationDoiTag(): void {
+    if (this.currentObject.value instanceof Item) {
+      let doi = this.getMetaTagValue('dc.identifier.doi');
+      if (hasValue(doi)) {
+        this.addMetaTag('citation_doi', doi);
+      }
+    }
+  }
+
   /**
    * Add <meta name="citation_pdf_url" ... >  to the <head>
    */
