added builders for bundles and bitstreams

src/app/core/cache/models/item-builder.ts

@@ -6,6 +6,11 @@ import { Store } from "@ngrx/store";
 import { CoreState } from "../../core.reducers";
 import { NormalizedItem } from "./normalized-item.model";
 import { ListRemoteDataBuilder, SingleRemoteDataBuilder } from "./remote-data-builder";
+import { Request } from "../../data/request.models";
+import { hasValue } from "../../../shared/empty.util";
+import { RequestConfigureAction, RequestExecuteAction } from "../../data/request.actions";
+import { BundleRDBuilder } from "./bundle-builder";
+import { NormalizedBundle } from "./normalized-bundle.model";
 
 export class ItemBuilder {
 
@@ -15,13 +20,36 @@ export class ItemBuilder {
     protected requestService: RequestService,
     protected store: Store<CoreState>,
     protected href: string,
-    protected nc: NormalizedItem
+    protected normalized: NormalizedItem
   ) {
   }
 
   build(): Item {
-    //TODO
-    return Object.assign(new Item(), this.nc);
+    let links: any = {};
+
+    if (hasValue(this.normalized.bundles)) {
+      this.normalized.bundles.forEach((href: string) => {
+        const isCached = this.objectCache.hasBySelfLink(href);
+        const isPending = this.requestService.isPending(href);
+
+        if (!(isCached || isPending)) {
+          const request = new Request(href, NormalizedBundle);
+          this.store.dispatch(new RequestConfigureAction(request));
+          this.store.dispatch(new RequestExecuteAction(href));
+        }
+      });
+
+      links.bundles = this.normalized.bundles.map((href: string) => {
+        return new BundleRDBuilder(
+          this.objectCache,
+          this.responseCache,
+          this.requestService,
+          this.store,
+          href
+        ).build();
+      });
+    }
+    return Object.assign(new Item(), this.normalized, links);
   }
 }