[DSC-1454] Add environment configuration

Author: atarix83

config/config.example.yml

@@ -308,6 +308,10 @@ item:
     # Rounded to the nearest size in the list of selectable sizes on the
     # settings menu.  See pageSizeOptions in 'pagination-component-options.model.ts'.
     pageSize: 5
+  # The maximum number of metadata values to add to the metatag list of the item page
+  metatagLimit: 20
+  # The maximum number of values for repeatable metadata to show in the full item
+  metadataLimit: 20
 
 # When the search results are retrieved, for each item type the metadata with a valid authority value are inspected.
 # Referenced items will be fetched with a find all by id strategy to avoid individual rest requests

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

@@ -243,7 +243,8 @@ export class MetadataService {
    */
   private setCitationAuthorTags(): void {
     // limit author to first 20 entries to avoid issue with item page rendering
-    const values: string[] = this.getMetaTagValues(['dc.author', 'dc.contributor.author', 'dc.creator']).slice(0, 20);
+    const values: string[] = this.getMetaTagValues(['dc.author', 'dc.contributor.author', 'dc.creator'])
+      .slice(0, this.appConfig.item.metatagLimit);
     this.addMetaTags('citation_author', values);
   }
 

src/app/item-page/full/full-item-page.component.spec.ts

@@ -23,6 +23,7 @@ import { RemoteData } from '../../core/data/remote-data';
 import { ServerResponseService } from '../../core/services/server-response.service';
 import { SignpostingDataService } from '../../core/data/signposting-data.service';
 import { LinkHeadService } from '../../core/services/link-head.service';
+import { APP_CONFIG } from '../../../config/app-config.interface';
 
 const mockItem: Item = Object.assign(new Item(), {
   bundles: createSuccessfulRemoteDataObject$(createPaginatedList([])),
@@ -145,6 +146,12 @@ describe('FullItemPageComponent', () => {
     type: 'test'
   };
 
+  const appConfig = {
+    item: {
+      metadataLimit: 20
+    }
+  };
+
   beforeEach(waitForAsync(() => {
     authService = jasmine.createSpyObj('authService', {
       isAuthenticated: observableOf(true),
@@ -193,7 +200,8 @@ describe('FullItemPageComponent', () => {
         { provide: ServerResponseService, useValue: serverResponseService },
         { provide: SignpostingDataService, useValue: signpostingDataService },
         { provide: LinkHeadService, useValue: linkHeadService },
-        { provide: PLATFORM_ID, useValue: 'server' }
+        { provide: PLATFORM_ID, useValue: 'server' },
+        { provide: APP_CONFIG, useValue: appConfig },
       ],
       schemas: [NO_ERRORS_SCHEMA]
     }).overrideComponent(FullItemPageComponent, {

src/app/item-page/full/full-item-page.component.ts

@@ -19,6 +19,7 @@ import { AuthorizationDataService } from '../../core/data/feature-authorization/
 import { ServerResponseService } from '../../core/services/server-response.service';
 import { SignpostingDataService } from '../../core/data/signposting-data.service';
 import { LinkHeadService } from '../../core/services/link-head.service';
+import { APP_CONFIG, AppConfig } from '../../../config/app-config.interface';
 
 /**
  * This component renders a full item page.
@@ -40,7 +41,7 @@ export class FullItemPageComponent extends ItemPageComponent implements OnInit,
 
   metadataMapLimit$: BehaviorSubject<Map<string, number>> = new BehaviorSubject<Map<string, number>>(new Map<string, number>());
 
-  limitSize = 20;
+  limitSize = this.appConfig.item.metadataLimit;
 
   /**
    * True when the itemRD has been originated from its workspaceite/workflowitem, false otherwise.
@@ -60,6 +61,7 @@ export class FullItemPageComponent extends ItemPageComponent implements OnInit,
     protected signpostingDataService: SignpostingDataService,
     protected linkHeadService: LinkHeadService,
     @Inject(PLATFORM_ID) protected platformId: string,
+    @Inject(APP_CONFIG) private appConfig: AppConfig,
   ) {
     super(route, router, items, authService, authorizationService, responseService, signpostingDataService, linkHeadService, platformId);
   }

src/config/default-app-config.ts

@@ -337,7 +337,12 @@ export class DefaultAppConfig implements AppConfig {
       // Rounded to the nearest size in the list of selectable sizes on the
       // settings menu.  See pageSizeOptions in 'pagination-component-options.model.ts'.
       pageSize: 5
-    }
+    },
+    // The maximum number of metadata values to add to the metatag list of the item page
+    metatagLimit: 20,
+
+    // The maximum number of values for repeatable metadata to show in the full item
+    metadataLimit: 20
   };
 
   // When the search results are retrieved, for each item type the metadata with a valid authority value are inspected.

src/config/item-config.interface.ts

@@ -12,5 +12,11 @@ export interface ItemConfig extends Config {
     // Rounded to the nearest size in the list of selectable sizes on the
     // settings menu.  See pageSizeOptions in 'pagination-component-options.model.ts'.
     pageSize: number;
-  }
+  };
+
+  // The maximum number of metadata values to add to the metatag list of the item page
+  metatagLimit: number;
+
+  // The maximum number of values for repeatable metadata to show in the full item
+  metadataLimit: number;
 }

src/environments/environment.test.ts

@@ -281,7 +281,12 @@ export const environment: BuildConfig = {
       // Rounded to the nearest size in the list of selectable sizes on the
       // settings menu.  See pageSizeOptions in 'pagination-component-options.model.ts'.
       pageSize: 5
-    }
+    },
+    // The maximum number of metadata values to add to the metatag list of the item page
+    metatagLimit: 20,
+
+    // The maximum number of values for repeatable metadata to show in the full item
+    metadataLimit: 20
   },
   collection: {
     edit: {