search backend fixes #1

config/environment.default.js

@@ -8,12 +8,19 @@ module.exports = {
     nameSpace: '/'
   },
   // The REST API server settings.
+  // rest: {
+  //   ssl: true,
+  //   host: 'dspace7.4science.it',
+  //   port: 443,
+  //   // NOTE: Space is capitalized because 'namespace' is a reserved string in TypeScript
+  //   nameSpace: '/dspace-spring-rest/api'
+  // },
     rest: {
-    ssl: true,
-    host: 'dspace7.4science.it',
-    port: 443,
+        ssl: false,
+        host: 'dspace7-internal.atmire.com',
+        port: 80,
         // NOTE: Space is capitalized because 'namespace' is a reserved string in TypeScript
-    nameSpace: '/dspace-spring-rest/api'
+        nameSpace: '/rest/api'
     },
   // Caching settings
   cache: {

src/app/+search-page/search-page.component.ts

@@ -36,7 +36,7 @@ export class SearchPageComponent implements OnInit, OnDestroy {
 
   query: string;
   scopeObjectRDObs: Observable<RemoteData<DSpaceObject>>;
-  resultsRDObs: Observable<RemoteData<Array<SearchResult<DSpaceObject>>>>;
+  resultsRDObs:  Observable<RemoteData<Array<SearchResult<DSpaceObject>> | PaginatedList<SearchResult<DSpaceObject>>>>;
   currentParams = {};
   searchOptions: SearchOptions;
   sortConfig: SortOptions;

src/app/+search-page/search-service/search-result-element-decorator.ts

@@ -0,0 +1,17 @@
+import { GenericConstructor } from '../../core/shared/generic-constructor';
+import { ListableObject } from '../../shared/object-collection/shared/listable-object.model';
+
+const searchResultMap = new Map();
+
+export function searchResultFor(domainConstructor: GenericConstructor<ListableObject>) {
+  return function decorator(searchResult: any) {
+    if (!searchResult) {
+      return;
+    }
+    searchResultMap.set(domainConstructor, searchResult);
+  };
+}
+
+export function getSearchResultFor(domainConstructor: GenericConstructor<ListableObject>) {
+  return searchResultMap.get(domainConstructor);
+}

src/app/+search-page/search-service/search.service.ts

@@ -1,35 +1,27 @@
 import { Inject, Injectable, OnDestroy } from '@angular/core';
 import { ActivatedRoute, NavigationExtras, Router } from '@angular/router';
 import { Observable } from 'rxjs/Observable';
-import { map, flatMap, tap, filter } from 'rxjs/operators';
+import { flatMap, map, tap } from 'rxjs/operators';
 import { ViewMode } from '../../+search-page/search-options.model';
 import { GLOBAL_CONFIG } from '../../../config';
 import { GlobalConfig } from '../../../config/global-config.interface';
 import { RemoteDataBuildService } from '../../core/cache/builders/remote-data-build.service';
 import { NormalizedDSpaceObject } from '../../core/cache/models/normalized-dspace-object.model';
 import { SortOptions } from '../../core/cache/models/sort-options.model';
-import { RestResponse, SearchSuccessResponse } from '../../core/cache/response-cache.models';
+import { SearchSuccessResponse } from '../../core/cache/response-cache.models';
 import { ResponseCacheEntry } from '../../core/cache/response-cache.reducer';
 import { ResponseCacheService } from '../../core/cache/response-cache.service';
-import { DebugResponseParsingService } from '../../core/data/debug-response-parsing.service';
-import { DSOResponseParsingService } from '../../core/data/dso-response-parsing.service';
 import { ItemDataService } from '../../core/data/item-data.service';
 import { PaginatedList } from '../../core/data/paginated-list';
 import { ResponseParsingService } from '../../core/data/parsing.service';
 import { RemoteData } from '../../core/data/remote-data';
-import { GetRequest, EndpointMapRequest, RestRequest } from '../../core/data/request.models';
-import { RequestEntry } from '../../core/data/request.reducer';
+import { GetRequest, RestRequest } from '../../core/data/request.models';
 import { RequestService } from '../../core/data/request.service';
-import { DSpaceRESTV2Response } from '../../core/dspace-rest-v2/dspace-rest-v2-response.model';
 import { DSpaceObject } from '../../core/shared/dspace-object.model';
 import { GenericConstructor } from '../../core/shared/generic-constructor';
 import { HALEndpointService } from '../../core/shared/hal-endpoint.service';
-import { Item } from '../../core/shared/item.model';
-import { Metadatum } from '../../core/shared/metadatum.model';
-import { PageInfo } from '../../core/shared/page-info.model';
 import { URLCombiner } from '../../core/url-combiner/url-combiner';
 import { hasValue, isNotEmpty } from '../../shared/empty.util';
-import { ItemSearchResult } from '../../shared/object-collection/shared/item-search-result.model';
 import { PaginationComponentOptions } from '../../shared/pagination/pagination-component-options.model';
 import { RouteService } from '../../shared/route.service';
 import { NormalizedSearchResult } from '../normalized-search-result.model';
@@ -40,6 +32,10 @@ import { FilterType } from './filter-type.model';
 import { SearchFilterConfig } from './search-filter-config.model';
 import { SearchResponseParsingService } from '../../core/data/search-response-parsing.service';
 import { SearchQueryResponse } from './search-query-response.model';
+import { PageInfo } from '../../core/shared/page-info.model';
+import { getSearchResultFor } from './search-result-element-decorator';
+import { ListableObject } from '../../shared/object-collection/shared/listable-object.model';
+import { NormalizedItem } from '../../core/cache/models/normalized-item.model';
 
 function shuffle(array: any[]) {
   let i = 0;
@@ -95,16 +91,14 @@ export class SearchService extends HALEndpointService implements OnDestroy {
   // searchOptions: BehaviorSubject<SearchOptions>;
   searchOptions: SearchOptions;
 
-  constructor(
-    protected responseCache: ResponseCacheService,
+  constructor(protected responseCache: ResponseCacheService,
               protected requestService: RequestService,
               private itemDataService: ItemDataService,
               @Inject(GLOBAL_CONFIG) protected EnvConfig: GlobalConfig,
               private routeService: RouteService,
               private route: ActivatedRoute,
               private rdb: RemoteDataBuildService,
-    private router: Router
-  ) {
+              private router: Router) {
     super();
     const pagination: PaginationComponentOptions = new PaginationComponentOptions();
     pagination.id = 'search-results-pagination';
@@ -115,7 +109,7 @@ export class SearchService extends HALEndpointService implements OnDestroy {
     // this.searchOptions = new BehaviorSubject<SearchOptions>(searchOptions);
   }
 
-  search(query: string, scopeId?: string, searchOptions?: SearchOptions): Observable<RemoteData<Array<SearchResult<DSpaceObject>>>> {
+  search(query: string, scopeId?: string, searchOptions?: SearchOptions): Observable<RemoteData<Array<SearchResult<DSpaceObject>> | PaginatedList<SearchResult<DSpaceObject>>>> {
     const requestObs = this.getEndpoint().pipe(
       map((url: string) => {
         const args: string[] = [];
@@ -150,25 +144,57 @@ export class SearchService extends HALEndpointService implements OnDestroy {
       flatMap((request: RestRequest) => this.responseCache.get(request.href))
     );
 
-    const sqrObs = responseCacheObs.pipe(
+    // get search results from response cache
+    const sqrObs: Observable<SearchQueryResponse> = responseCacheObs.pipe(
       map((entry: ResponseCacheEntry) => entry.response),
       map((response: SearchSuccessResponse) => response.results)
     );
 
-    const dsoObs = sqrObs.pipe(
+    // turn dspace href from search results to effective list of DSpaceObjects
+    // Turn list of observable remote data DSO's into observable remote data object with list of DSO
+    const dsoObs: Observable<RemoteData<DSpaceObject[]>> = sqrObs.pipe(
       map((sqr: SearchQueryResponse) => {
         return sqr.objects.map((nsr: NormalizedSearchResult) =>
-          this.rdb.buildSingle(nsr.dspaceObject, NormalizedDSpaceObject));
+          this.rdb.buildSingle(nsr.dspaceObject));
       }),
       flatMap((input: Array<Observable<RemoteData<DSpaceObject>>>) => this.rdb.aggregate(input))
     );
 
-    const payloadObs = Observable.combineLatest(sqrObs, dsoObs, (sqr: SearchQueryResponse, dsos: RemoteData<DSpaceObject[]>) => {
+    // Create search results again with the correct dso objects linked to each result
+    const tDomainListObs: Observable<Array<SearchResult<DSpaceObject>>> = Observable.combineLatest(sqrObs, dsoObs, (sqr: SearchQueryResponse, dsos: RemoteData<DSpaceObject[]>) => {
       return sqr.objects.map((object: NormalizedSearchResult, index: number) => {
-        return Object.assign({}, object, {
+        let co = DSpaceObject;
+        if (dsos.payload[index]) {
+          const constructor: GenericConstructor<ListableObject> = dsos.payload[index].constructor as GenericConstructor<ListableObject>;
+          co = getSearchResultFor(constructor);
+          return Object.assign(new co(), object, {
             dspaceObject: dsos.payload[index]
           });
-      })
+        } else {
+          return undefined;
+        }
+      });
+    });
+
+    const pageInfoObs: Observable<PageInfo> = responseCacheObs
+      .filter((entry: ResponseCacheEntry) => entry.response.isSuccessful)
+      .map((entry: ResponseCacheEntry) => {
+        if (hasValue((entry.response as SearchSuccessResponse).pageInfo)) {
+          const resPageInfo = (entry.response as SearchSuccessResponse).pageInfo;
+          if (isNotEmpty(resPageInfo) && resPageInfo.currentPage >= 0) {
+            return Object.assign({}, resPageInfo, { currentPage: resPageInfo.currentPage + 1 });
+          } else {
+            return resPageInfo;
+          }
+        }
+      });
+
+    const payloadObs = Observable.combineLatest(tDomainListObs, pageInfoObs, (tDomainList, pageInfo) => {
+      if (hasValue(pageInfo)) {
+        return new PaginatedList(pageInfo, tDomainList);
+      } else {
+        return tDomainList;
+      }
     });
 
     return this.rdb.toRemoteDataObservable(requestEntryObs, responseCacheObs, payloadObs);

src/app/core/cache/builders/remote-data-build.service.ts

@@ -22,24 +22,19 @@ import { DSOSuccessResponse, ErrorResponse, SearchSuccessResponse } from '../res
 import { ResponseCacheEntry } from '../response-cache.reducer';
 import { ResponseCacheService } from '../response-cache.service';
 import { getMapsTo, getRelationMetadata, getRelationships } from './build-decorators';
+import { NormalizedObject } from '../models/normalized-object.model';
 
 @Injectable()
 export class RemoteDataBuildService {
-  constructor(
-    protected objectCache: ObjectCacheService,
+  constructor(protected objectCache: ObjectCacheService,
               protected responseCache: ResponseCacheService,
-    protected requestService: RequestService
-  ) {
+              protected requestService: RequestService) {
   }
 
-  buildSingle<TNormalized extends CacheableObject, TDomain>(
-    hrefObs: string | Observable<string>,
-    normalizedType: GenericConstructor<TNormalized>
-  ): Observable<RemoteData<TDomain>> {
+  buildSingle<TNormalized extends NormalizedObject, TDomain>(hrefObs: string | Observable<string>): Observable<RemoteData<TDomain>> {
     if (typeof hrefObs === 'string') {
       hrefObs = Observable.of(hrefObs);
     }
-
     const requestHrefObs = hrefObs.flatMap((href: string) =>
       this.objectCache.getRequestHrefBySelfLink(href));
 
@@ -59,14 +54,14 @@ export class RemoteDataBuildService {
     // always use self link if that is cached, only if it isn't, get it via the response.
     const payloadObs =
       Observable.combineLatest(
-        hrefObs.flatMap((href: string) => this.objectCache.getBySelfLink<TNormalized>(href, normalizedType))
+        hrefObs.flatMap((href: string) => this.objectCache.getBySelfLink<TNormalized>(href))
           .startWith(undefined),
         responseCacheObs
           .filter((entry: ResponseCacheEntry) => entry.response.isSuccessful)
           .map((entry: ResponseCacheEntry) => (entry.response as DSOSuccessResponse).resourceSelfLinks)
           .flatMap((resourceSelfLinks: string[]) => {
             if (isNotEmpty(resourceSelfLinks)) {
-              return this.objectCache.getBySelfLink(resourceSelfLinks[0], normalizedType);
+              return this.objectCache.getBySelfLink(resourceSelfLinks[0]);
             } else {
               return Observable.of(undefined);
             }
@@ -97,7 +92,7 @@ export class RemoteDataBuildService {
         let isSuccessful: boolean;
         let error: RemoteDataError;
         if (hasValue(resEntry) && hasValue(resEntry.response)) {
-          isSuccessful = !responsePending && resEntry.response.isSuccessful;
+          isSuccessful = resEntry.response.isSuccessful;
           const errorMessage = isSuccessful === false ? (resEntry.response as ErrorResponse).errorMessage : undefined;
           if (hasValue(errorMessage)) {
             error = new RemoteDataError(resEntry.response.statusCode, errorMessage);
@@ -114,10 +109,8 @@ export class RemoteDataBuildService {
       });
   }
 
-  buildList<TNormalized extends CacheableObject, TDomain>(
-    hrefObs: string | Observable<string>,
-    normalizedType: GenericConstructor<TNormalized>
-  ): Observable<RemoteData<TDomain[] | PaginatedList<TDomain>>> {
+  buildList<TNormalized extends NormalizedObject, TDomain>(hrefObs: string | Observable<string>,
+                                                           normalizedType: GenericConstructor<TNormalized>): Observable<RemoteData<TDomain[] | PaginatedList<TDomain>>> {
     if (typeof hrefObs === 'string') {
       hrefObs = Observable.of(hrefObs);
     }
@@ -181,7 +174,7 @@ export class RemoteDataBuildService {
 
           const rdArr = [];
           normalized[relationship].forEach((href: string) => {
-            rdArr.push(this.buildSingle(href, resourceConstructor));
+            rdArr.push(this.buildSingle(href));
           });
 
           if (isList) {
@@ -198,7 +191,7 @@ export class RemoteDataBuildService {
           if (isList) {
             links[relationship] = this.buildList(normalized[relationship], resourceConstructor);
           } else {
-            links[relationship] = this.buildSingle(normalized[relationship], resourceConstructor);
+            links[relationship] = this.buildSingle(normalized[relationship]);
           }
         }
       }

src/app/core/cache/models/normalized-bitstream-format.model.ts

@@ -1,30 +0,0 @@
-import { inheritSerialization, autoserialize } from 'cerialize';
-
-import { mapsTo } from '../builders/build-decorators';
-
-import { BitstreamFormat } from '../../shared/bitstream-format.model';
-import { NormalizedObject } from './normalized-object.model';
-
-@mapsTo(BitstreamFormat)
-@inheritSerialization(NormalizedObject)
-export class NormalizedBitstreamFormat extends NormalizedObject {
-
-  @autoserialize
-  shortDescription: string;
-
-  @autoserialize
-  description: string;
-
-  @autoserialize
-  mimetype: string;
-
-  @autoserialize
-  supportLevel: number;
-
-  @autoserialize
-  internal: boolean;
-
-  @autoserialize
-  extensions: string;
-
-}

src/app/core/cache/models/normalized-object-factory.ts

@@ -1,4 +1,3 @@
-import { NormalizedDSpaceObject } from './normalized-dspace-object.model';
 import { NormalizedBitstream } from './normalized-bitstream.model';
 import { NormalizedBundle } from './normalized-bundle.model';
 import { NormalizedItem } from './normalized-item.model';
@@ -7,7 +6,6 @@ import { GenericConstructor } from '../../shared/generic-constructor';
 import { NormalizedCommunity } from './normalized-community.model';
 import { ResourceType } from '../../shared/resource-type';
 import { NormalizedObject } from './normalized-object.model';
-import { NormalizedBitstreamFormat } from './normalized-bitstream-format.model';
 
 export class NormalizedObjectFactory {
   public static getConstructor(type: ResourceType): GenericConstructor<NormalizedObject> {
@@ -15,9 +13,6 @@ export class NormalizedObjectFactory {
       case ResourceType.Bitstream: {
         return NormalizedBitstream
       }
-      case ResourceType.BitstreamFormat: {
-        return NormalizedBitstreamFormat
-      }
       case ResourceType.Bundle: {
         return NormalizedBundle
       }

src/app/core/cache/models/normalized-object.model.ts

@@ -1,5 +1,6 @@
 import { CacheableObject } from '../object-cache.reducer';
 import { autoserialize } from 'cerialize';
+import { ResourceType } from '../../shared/resource-type';
 /**
  * An abstract model class for a NormalizedObject.
  */
@@ -17,6 +18,9 @@ export abstract class NormalizedObject implements CacheableObject {
   @autoserialize
   uuid: string;
 
+  @autoserialize
+  type: ResourceType;
+
   @autoserialize
   _links: {
     [name: string]: string

src/app/core/cache/object-cache.reducer.ts

@@ -4,6 +4,7 @@ import {
 } from './object-cache.actions';
 import { hasValue } from '../../shared/empty.util';
 import { CacheEntry } from './cache-entry';
+import { ResourceType } from '../shared/resource-type';
 
 export enum DirtyType {
   Created = 'Created',
@@ -19,6 +20,7 @@ export enum DirtyType {
 export interface CacheableObject {
   uuid?: string;
   self: string;
+  type: ResourceType;
   // isNew: boolean;
   // dirtyType: DirtyType;
   // hasDirtyAttributes: boolean;

src/app/core/cache/object-cache.service.ts

@@ -10,6 +10,9 @@ import { hasNoValue } from '../../shared/empty.util';
 import { GenericConstructor } from '../shared/generic-constructor';
 import { coreSelector, CoreState } from '../core.reducers';
 import { pathSelector } from '../shared/selectors';
+import { Item } from '../shared/item.model';
+import { NormalizedObjectFactory } from './models/normalized-object-factory';
+import { NormalizedObject } from './models/normalized-object.model';
 
 function selfLinkFromUuidSelector(uuid: string): MemoizedSelector<CoreState, string> {
   return pathSelector<CoreState, string>(coreSelector, 'index', IndexName.OBJECT, uuid);
@@ -24,9 +27,8 @@ function entryFromSelfLinkSelector(selfLink: string): MemoizedSelector<CoreState
  */
 @Injectable()
 export class ObjectCacheService {
-  constructor(
-    private store: Store<CoreState>
-  ) { }
+  constructor(private store: Store<CoreState>) {
+  }
 
   /**
    * Add an object to the cache
@@ -70,14 +72,17 @@ export class ObjectCacheService {
    * @return Observable<T>
    *    An observable of the requested object
    */
-  getByUUID<T extends CacheableObject>(uuid: string, type: GenericConstructor<T>): Observable<T> {
+  getByUUID<T extends NormalizedObject>(uuid: string): Observable<T> {
     return this.store.select(selfLinkFromUuidSelector(uuid))
-      .flatMap((selfLink: string) => this.getBySelfLink(selfLink, type))
+      .flatMap((selfLink: string) => this.getBySelfLink(selfLink))
   }
 
-  getBySelfLink<T extends CacheableObject>(selfLink: string, type: GenericConstructor<T>): Observable<T> {
+  getBySelfLink<T extends NormalizedObject>(selfLink: string): Observable<T> {
     return this.getEntry(selfLink)
-      .map((entry: ObjectCacheEntry) => Object.assign(new type(), entry.data) as T);
+      .map((entry: ObjectCacheEntry) => {
+        const type: GenericConstructor<NormalizedObject>= NormalizedObjectFactory.getConstructor(entry.data.type);
+        return Object.assign(new type(), entry.data) as T
+      });
   }
 
   private getEntry(selfLink: string): Observable<ObjectCacheEntry> {
@@ -116,9 +121,9 @@ export class ObjectCacheService {
    *    The type of the objects to get
    * @return Observable<Array<T>>
    */
-  getList<T extends CacheableObject>(selfLinks: string[], type: GenericConstructor<T>): Observable<T[]> {
+  getList<T extends NormalizedObject>(selfLinks: string[], type: GenericConstructor<T>): Observable<T[]> {
     return Observable.combineLatest(
-      selfLinks.map((selfLink: string) => this.getBySelfLink<T>(selfLink, type))
+      selfLinks.map((selfLink: string) => this.getBySelfLink<T>(selfLink))
     );
   }
 

src/app/core/data/comcol-data.service.ts

@@ -9,8 +9,9 @@ import { CommunityDataService } from './community-data.service';
 
 import { DataService } from './data.service';
 import { FindByIDRequest } from './request.models';
+import { NormalizedObject } from '../cache/models/normalized-object.model';
 
-export abstract class ComColDataService<TNormalized extends CacheableObject, TDomain>  extends DataService<TNormalized, TDomain> {
+export abstract class ComColDataService<TNormalized extends NormalizedObject, TDomain>  extends DataService<TNormalized, TDomain> {
   protected abstract cds: CommunityDataService;
   protected abstract objectCache: ObjectCacheService;
 
@@ -47,7 +48,7 @@ export abstract class ComColDataService<TNormalized extends CacheableObject, TDo
         errorResponse.flatMap((response: ErrorResponse) =>
           Observable.throw(new Error(`The Community with scope ${scopeID} couldn't be retrieved`))),
         successResponse
-          .flatMap((response: DSOSuccessResponse) => this.objectCache.getByUUID(scopeID, NormalizedCommunity))
+          .flatMap((response: DSOSuccessResponse) => this.objectCache.getByUUID(scopeID))
           .map((nc: NormalizedCommunity) => nc._links[this.linkPath])
           .filter((href) => isNotEmpty(href))
       ).distinctUntilChanged();

src/app/core/data/data.service.ts

@@ -13,8 +13,9 @@ import { PaginatedList } from './paginated-list';
 import { RemoteData } from './remote-data';
 import { FindAllOptions, FindAllRequest, FindByIDRequest, GetRequest } from './request.models';
 import { RequestService } from './request.service';
+import { NormalizedObject } from '../cache/models/normalized-object.model';
 
-export abstract class DataService<TNormalized extends CacheableObject, TDomain> extends HALEndpointService {
+export abstract class DataService<TNormalized extends NormalizedObject, TDomain> extends HALEndpointService {
   protected abstract responseCache: ResponseCacheService;
   protected abstract requestService: RequestService;
   protected abstract rdbService: RemoteDataBuildService;
@@ -22,9 +23,7 @@ export abstract class DataService<TNormalized extends CacheableObject, TDomain>
   protected abstract linkPath: string;
   protected abstract EnvConfig: GlobalConfig;
 
-  constructor(
-    protected normalizedResourceType: GenericConstructor<TNormalized>,
-  ) {
+  constructor(protected normalizedResourceType: GenericConstructor<TNormalized>,) {
     super();
   }
 
@@ -95,12 +94,12 @@ export abstract class DataService<TNormalized extends CacheableObject, TDomain>
         this.requestService.configure(request);
       });
 
-    return this.rdbService.buildSingle<TNormalized, TDomain>(hrefObs, this.normalizedResourceType);
+    return this.rdbService.buildSingle<TNormalized, TDomain>(hrefObs);
   }
 
   findByHref(href: string): Observable<RemoteData<TDomain>> {
     this.requestService.configure(new GetRequest(this.requestService.generateRequestId(), href));
-    return this.rdbService.buildSingle<TNormalized, TDomain>(href, this.normalizedResourceType);
+    return this.rdbService.buildSingle<TNormalized, TDomain>(href);
   }
 
   // TODO implement, after the structure of the REST server's POST response is finalized

src/app/core/data/search-response-parsing.service.ts

@@ -1,23 +1,35 @@
 import { Injectable } from '@angular/core';
-import {
-  DSOSuccessResponse, RestResponse,
-  SearchSuccessResponse
-} from '../cache/response-cache.models';
+import { RestResponse, SearchSuccessResponse } from '../cache/response-cache.models';
 import { DSOResponseParsingService } from './dso-response-parsing.service';
 import { ResponseParsingService } from './parsing.service';
 import { RestRequest } from './request.models';
 import { DSpaceRESTV2Response } from '../dspace-rest-v2/dspace-rest-v2-response.model';
 import { DSpaceRESTv2Serializer } from '../dspace-rest-v2/dspace-rest-v2.serializer';
 import { PageInfo } from '../shared/page-info.model';
-import { hasValue, isNotEmpty } from '../../shared/empty.util';
+import { isNotEmpty } from '../../shared/empty.util';
 import { SearchQueryResponse } from '../../+search-page/search-service/search-query-response.model';
+import { Metadatum } from '../shared/metadatum.model';
 
 @Injectable()
 export class SearchResponseParsingService implements ResponseParsingService {
-  constructor(private dsoParser: DSOResponseParsingService) {}
+  constructor(private dsoParser: DSOResponseParsingService) {
+  }
 
   parse(request: RestRequest, data: DSpaceRESTV2Response): RestResponse {
     const payload = data.payload;
+    const hitHighlights = payload._embedded.objects
+      .map((object) => object.hitHighlights)
+      .map((hhObject) => {
+        if (hhObject) {
+          return Object.keys(hhObject).map((key) => Object.assign(new Metadatum(), {
+            key: key,
+            value: hhObject[key].join('...')
+          }))
+        } else {
+          return undefined;
+        }
+      });
+
     const dsoSelfLinks = payload._embedded.objects
       .map((object) => object._embedded.dspaceObject)
       // we don't need embedded collections, bitstreamformats, etc for search results.
@@ -32,11 +44,24 @@ export class SearchResponseParsingService implements ResponseParsingService {
       .reduce((combined, thisElement) => [...combined, ...thisElement], []);
 
     const objects = payload._embedded.objects
-      .map((object, index) => Object.assign({}, object, { dspaceObject: dsoSelfLinks[index] }));
-
+      .map((object, index) => Object.assign({}, object, {
+        dspaceObject: dsoSelfLinks[index],
+        hitHighlights: hitHighlights[index],
+        // we don't need embedded collections, bitstreamformats, etc for search results.
+        // And parsing them all takes up a lot of time. Throw them away to improve performance
+        // until objs until partial results are supported by the rest api
+        _embedded: undefined
+      }));
     payload.objects = objects;
     const deserialized = new DSpaceRESTv2Serializer(SearchQueryResponse).deserialize(payload);
-    return new SearchSuccessResponse(deserialized, data.statusCode, undefined);
+    return new SearchSuccessResponse(deserialized, data.statusCode, this.processPageInfo(data.payload.page));
   }
 
+  protected processPageInfo(pageObj: any): PageInfo {
+    if (isNotEmpty(pageObj)) {
+      return new DSpaceRESTv2Serializer(PageInfo).deserialize(pageObj);
+    } else {
+      return undefined;
+    }
+  }
 }

src/app/core/shared/bitstream-format.model.ts

@@ -1,17 +1,24 @@
-import { DSpaceObject } from './dspace-object.model';
 
-export class BitstreamFormat extends DSpaceObject {
+import { autoserialize } from 'cerialize';
 
+export class BitstreamFormat {
+
+  @autoserialize
   shortDescription: string;
 
+  @autoserialize
   description: string;
 
+  @autoserialize
   mimetype: string;
 
+  @autoserialize
   supportLevel: number;
 
+  @autoserialize
   internal: boolean;
 
+  @autoserialize
   extensions: string;
 
 }

src/app/shared/object-collection/shared/collection-search-result.model.ts

@@ -1,5 +1,7 @@
-import { Collection } from '../../../core/shared/collection.model';
 import { SearchResult } from '../../../+search-page/search-result.model';
+import { Collection } from '../../../core/shared/collection.model';
+import { searchResultFor } from '../../../+search-page/search-service/search-result-element-decorator';
 
+@searchResultFor(Collection)
 export class CollectionSearchResult extends SearchResult<Collection> {
 }

src/app/shared/object-collection/shared/community-search-result.model.ts

@@ -1,5 +1,7 @@
-import { SearchResult } from '../../../+search-page/search-result.model';
 import { Community } from '../../../core/shared/community.model';
+import { SearchResult } from '../../../+search-page/search-result.model';
+import { searchResultFor } from '../../../+search-page/search-service/search-result-element-decorator';
 
+@searchResultFor(Community)
 export class CommunitySearchResult extends SearchResult<Community> {
 }

src/app/shared/object-collection/shared/item-search-result.model.ts

@@ -1,5 +1,7 @@
 import { SearchResult } from '../../../+search-page/search-result.model';
 import { Item } from '../../../core/shared/item.model';
+import { searchResultFor } from '../../../+search-page/search-service/search-result-element-decorator';
 
+@searchResultFor(Item)
 export class ItemSearchResult extends SearchResult<Item> {
 }

src/app/shared/object-grid/search-result-grid-element/collection-search-result/collection-search-result-grid-element.component.ts

@@ -2,10 +2,11 @@ import { Component } from '@angular/core';
 
 import { renderElementsFor} from '../../../object-collection/shared/dso-element-decorator';
 
-import { CollectionSearchResult } from '../../../object-collection/shared/collection-search-result.model';
+
 import { SearchResultGridElementComponent } from '../search-result-grid-element.component';
 import { Collection } from '../../../../core/shared/collection.model';
 import { ViewMode } from '../../../../+search-page/search-options.model';
+import { CollectionSearchResult } from '../../../object-collection/shared/collection-search-result.model';
 
 @Component({
   selector: 'ds-collection-search-result-grid-element',

src/app/shared/object-grid/search-result-grid-element/community-search-result/community-search-result-grid-element.component.ts

@@ -1,5 +1,6 @@
 import { Component } from '@angular/core';
 
+
 import { Community } from '../../../../core/shared/community.model';
 import { renderElementsFor } from '../../../object-collection/shared/dso-element-decorator';
 import { SearchResultGridElementComponent } from '../search-result-grid-element.component';

src/app/shared/object-list/search-result-list-element/collection-search-result/collection-search-result-list-element.component.ts

@@ -1,6 +1,7 @@
 import { Component } from '@angular/core';
 
 import { renderElementsFor } from '../../../object-collection/shared/dso-element-decorator';
+
 import { SearchResultListElementComponent } from '../search-result-list-element.component';
 import { Collection } from '../../../../core/shared/collection.model';
 import { ViewMode } from '../../../../+search-page/search-options.model';

src/app/shared/object-list/search-result-list-element/community-search-result/community-search-result-list-element.component.ts

@@ -1,10 +1,11 @@
 import { Component } from '@angular/core';
 
 import { renderElementsFor } from '../../../object-collection/shared/dso-element-decorator';
-import { CommunitySearchResult } from '../../../object-collection/shared/community-search-result.model';
+
 import { SearchResultListElementComponent } from '../search-result-list-element.component';
 import { Community } from '../../../../core/shared/community.model';
 import { ViewMode } from '../../../../+search-page/search-options.model';
+import { CommunitySearchResult } from '../../../object-collection/shared/community-search-result.model';
 
 @Component({
   selector: 'ds-community-search-result-list-element',

src/app/shared/object-list/search-result-list-element/search-result-list-element.component.ts

@@ -3,7 +3,7 @@ import { Component, Inject } from '@angular/core';
 import { SearchResult } from '../../../+search-page/search-result.model';
 import { DSpaceObject } from '../../../core/shared/dspace-object.model';
 import { Metadatum } from '../../../core/shared/metadatum.model';
-import { isEmpty, hasNoValue } from '../../empty.util';
+import { isEmpty, hasNoValue, isNotEmpty } from '../../empty.util';
 import { ListableObject } from '../../object-collection/shared/listable-object.model';
 import { AbstractListableElementComponent } from '../../object-collection/shared/object-collection-element/abstract-listable-element.component';
 import { Observable } from 'rxjs/Observable';
@@ -24,6 +24,7 @@ export class SearchResultListElementComponent<T extends SearchResult<K>, K exten
 
   getValues(keys: string[]): string[] {
     const results: string[] = new Array<string>();
+    if (isNotEmpty(this.object.hitHighlights)) {
       this.object.hitHighlights.forEach(
         (md: Metadatum) => {
           if (keys.indexOf(md.key) > -1) {
@@ -31,6 +32,7 @@ export class SearchResultListElementComponent<T extends SearchResult<K>, K exten
           }
         }
       );
+    }
     if (isEmpty(results)) {
       this.dso.filterMetadata(keys).forEach(
         (md: Metadatum) => {
@@ -43,6 +45,7 @@ export class SearchResultListElementComponent<T extends SearchResult<K>, K exten
 
   getFirstValue(key: string): string {
     let result: string;
+    if (isNotEmpty(this.object.hitHighlights)) {
       this.object.hitHighlights.some(
         (md: Metadatum) => {
           if (key === md.key) {
@@ -51,6 +54,7 @@ export class SearchResultListElementComponent<T extends SearchResult<K>, K exten
           }
         }
       );
+    }
     if (hasNoValue(result)) {
       result = this.dso.findMetadata(key);
     }