[TLC-249] Larger refactor to field, item components for browse links

src/app/shared/testing/browse-definition-data-service.stub.ts

@@ -0,0 +1,91 @@
+import { EMPTY, Observable, of as observableOf } from 'rxjs';
+import { RemoteData } from '../../core/data/remote-data';
+import { buildPaginatedList, PaginatedList } from '../../core/data/paginated-list.model';
+import { BrowseDefinition } from '../../core/shared/browse-definition.model';
+import {
+  getPaginatedListPayload,
+  getRemoteDataPayload
+} from '../../core/shared/operators';
+import { BrowseService } from '../../core/browse/browse.service';
+import { distinctUntilChanged, map, startWith } from 'rxjs/operators';
+import { isEmpty, isNotEmpty } from '../empty.util';
+import { createSuccessfulRemoteDataObject } from '../remote-data.utils';
+import { PageInfo } from '../../core/shared/page-info.model';
+
+// This data is in post-serialized form (metadata -> metadataKeys)
+export const mockData: BrowseDefinition[] = [
+      Object.assign(new BrowseDefinition, {
+      'id' : 'dateissued',
+      'metadataBrowse' : false,
+      'dataType' : 'date',
+      'sortOptions' : EMPTY,
+      'order' : 'ASC',
+      'type' : 'browse',
+      'metadataKeys' : [ 'dc.date.issued' ],
+      '_links' : EMPTY
+     }),
+     Object.assign(new BrowseDefinition, {
+      'id' : 'author',
+      'metadataBrowse' : true,
+      'dataType' : 'text',
+      'sortOptions' : EMPTY,
+      'order' : 'ASC',
+      'type' : 'browse',
+      'metadataKeys' : [ 'dc.contributor.*', 'dc.creator' ],
+      '_links' : EMPTY
+    })
+];
+
+export const browseServiceStub = {
+  getBrowseDefinitions(): Observable<RemoteData<PaginatedList<BrowseDefinition>>> {
+    return observableOf(createSuccessfulRemoteDataObject(buildPaginatedList(new PageInfo(), mockData)));
+  },
+}
+
+export const BrowseDefinitionDataServiceStub: any = {
+
+  /**
+   * Get all BrowseDefinitions
+   */
+  findAll(): Observable<RemoteData<PaginatedList<BrowseDefinition>>> {
+    return observableOf(createSuccessfulRemoteDataObject(buildPaginatedList(new PageInfo(), mockData)));
+  },
+
+  /**
+   * Get all BrowseDefinitions with any link configuration
+   */
+  findAllLinked(): Observable<RemoteData<PaginatedList<BrowseDefinition>>> {
+    return observableOf(createSuccessfulRemoteDataObject(buildPaginatedList(new PageInfo(), mockData)));
+  },
+
+  /**
+   * Get the browse URL by providing a list of metadata keys
+   * @param metadatumKey
+   * @param linkPath
+   */
+  findByFields(metadataKeys: string[]): Observable<BrowseDefinition> {
+    let searchKeyArray: string[] = [];
+    metadataKeys.forEach((metadataKey) => {
+      searchKeyArray = searchKeyArray.concat(BrowseService.toSearchKeyArray(metadataKey));
+    });
+    return this.findAllLinked().pipe(
+      getRemoteDataPayload(),
+      getPaginatedListPayload(),
+      map((browseDefinitions: BrowseDefinition[]) => browseDefinitions
+        .find((def: BrowseDefinition) => {
+          const matchingKeys = def.metadataKeys.find((key: string) => searchKeyArray.indexOf(key) >= 0);
+          return isNotEmpty(matchingKeys);
+        })
+      ),
+      map((def: BrowseDefinition) => {
+        if (isEmpty(def) || isEmpty(def.id)) {
+          //throw new Error(`A browse definition for field ${metadataKey} isn't configured`);
+        } else {
+          return def;
+        }
+      }),
+      startWith(undefined),
+      distinctUntilChanged()
+    );
+  }
+};