[DSC-1946] add generator meta tag for cris version

Author: Andrea Barbasso

src/app/core/data/root.model.ts

@@ -44,6 +44,12 @@ export class Root implements CacheableObject {
   @autoserialize
   dspaceVersion: string;
 
+  /**
+   * The current CRIS version
+   */
+  @autoserialize
+  crisVersion: string;
+
   /**
    * The {@link HALLink}s for the root object
    */

src/app/core/metadata/metadata.service.spec.ts

@@ -59,7 +59,7 @@ xdescribe('MetadataService', () => {
 
   beforeEach(() => {
     rootService = jasmine.createSpyObj({
-      findRoot: createSuccessfulRemoteDataObject$({ dspaceVersion: 'mock-dspace-version' })
+      findRoot: createSuccessfulRemoteDataObject$({ dspaceVersion: 'mock-dspace-version', crisVersion: 'mock-cris-version' }),
     });
     bitstreamDataService = jasmine.createSpyObj({
       findListByHref: createSuccessfulRemoteDataObject$(createPaginatedList([MockBitstream3])),
@@ -242,6 +242,10 @@ xdescribe('MetadataService', () => {
         name: 'Generator',
         content: 'mock-dspace-version'
       });
+      expect(meta.addTag).toHaveBeenCalledWith({
+        name: 'Generator',
+        content: 'mock-cris-version'
+      });
     }));
   });
 

src/app/core/metadata/metadata.service.ts

@@ -605,6 +605,7 @@ export class MetadataService {
   private setGenerator(): void {
     this.rootService.findRoot().pipe(getFirstSucceededRemoteDataPayload()).subscribe((root) => {
       this.meta.addTag({ name: 'Generator', content: root.dspaceVersion });
+      this.meta.addTag({ name: 'Generator', content: root.crisVersion });
     });
   }