Change Identifier model class to a Typed Object

src/app/core/provide-core.ts

@@ -4,6 +4,7 @@ import {
   makeEnvironmentProviders,
 } from '@angular/core';
 import { APP_CONFIG } from '@dspace/config/app-config.interface';
+import { Identifier } from '@dspace/core/shared/identifiers-data/identifier.model';
 import { SubmissionCustomUrl } from '@dspace/core/submission/models/submission-custom-url.model';
 
 import { Audit } from './audit/model/audit.model';
@@ -199,6 +200,7 @@ export const models =
     ResearcherProfile,
     OrcidQueue,
     OrcidHistory,
+    Identifier,
     IdentifierData,
     Subscription,
     ItemRequest,

src/app/core/shared/identifiers-data/identifier.model.ts

@@ -1,18 +1,28 @@
+import { typedObject } from '@dspace/core/cache/builders/build-decorators';
+import { IDENTIFIER } from '@dspace/core/shared/identifiers-data/identifier.resource-type';
 import { autoserialize } from 'cerialize';
 
 /**
  * Identifier model. Identifiers using this model are returned in lists from the /item/{id}/identifiers endpoint
  *
  * @author Kim Shepherd
  */
+@typedObject
 export class Identifier {
+  static type = IDENTIFIER;
+
+  /**
+   * Unique ID for this identifier object
+   */
+  @autoserialize
+  id: string;
   /**
    * The value of the identifier, eg. http://hdl.handle.net/123456789/123 or https://doi.org/test/doi/1234
    */
   @autoserialize
   value: string;
   /**
-   * The type of identiifer, eg. "doi", or "handle", or "other"
+   * The type of identifier, eg. "doi", or "handle", or "other"
    */
   @autoserialize
   identifierType: string;

src/app/core/shared/identifiers-data/identifier.resource-type.ts

@@ -0,0 +1,9 @@
+import { ResourceType } from '@dspace/core/shared/resource-type';
+
+/**
+ * The resource type for Identifier
+ *
+ * Needs to be in a separate file to prevent circular
+ * dependencies in webpack.
+ */
+export const IDENTIFIER = new ResourceType('identifier');

src/app/submission/sections/identifiers/section-identifiers.component.spec.ts

@@ -88,12 +88,14 @@ const mockItem = Object.assign(new Item(), {
 // Mock identifier data to use with tests
 const identifierData: WorkspaceitemSectionIdentifiersObject = {
   identifiers: [{
+    id: 'https://doi.org/10.33515/dspace-61',
     value: 'https://doi.org/10.33515/dspace-61',
     identifierType: 'doi',
     identifierStatus: 'TO_BE_REGISTERED',
     type: 'identifier',
   },
   {
+    id: '123456789/418',
     value: '123456789/418',
     identifierType: 'handle',
     identifierStatus: null,