44024: simple search UI with working search results

src/app/object-list/collection-list-element/collection-list-element.component.ts

@@ -1,4 +1,4 @@
-import { Component } from '@angular/core';
+import { Component, Inject } from '@angular/core';
 
 import { Collection } from '../../core/shared/collection.model';
 import { ObjectListElementComponent } from '../object-list-element/object-list-element.component';
@@ -11,4 +11,4 @@ import { listElementFor } from '../list-element-decorator';
 })
 
 @listElementFor(Collection)
-export class CollectionListElementComponent extends ObjectListElementComponent {}
+export class CollectionListElementComponent extends ObjectListElementComponent<Collection> {}

src/app/object-list/community-list-element/community-list-element.component.ts

@@ -1,4 +1,4 @@
-import { Component, Input } from '@angular/core';
+import { Component, Input, Inject } from '@angular/core';
 
 import { Community } from '../../core/shared/community.model';
 import { ObjectListElementComponent } from '../object-list-element/object-list-element.component';
@@ -11,4 +11,4 @@ import { listElementFor } from '../list-element-decorator';
 })
 
 @listElementFor(Community)
-export class CommunityListElementComponent extends ObjectListElementComponent {}
+export class CommunityListElementComponent extends ObjectListElementComponent<Community> {}

src/app/object-list/item-list-element/item-list-element.component.ts

@@ -1,4 +1,4 @@
-import { Component, Input } from '@angular/core';
+import { Component, Input, Inject } from '@angular/core';
 
 import { Item } from '../../core/shared/item.model';
 import { ObjectListElementComponent } from '../object-list-element/object-list-element.component';
@@ -11,4 +11,4 @@ import { listElementFor } from '../list-element-decorator';
 })
 
 @listElementFor(Item)
-export class ItemListElementComponent extends ObjectListElementComponent {}
+export class ItemListElementComponent extends ObjectListElementComponent<Item> {}

src/app/object-list/list-element-decorator.ts

@@ -1,12 +1,16 @@
 import { ListableObject } from './listable-object/listable-object.model';
 import { GenericConstructor } from '../core/shared/generic-constructor';
 
-const listElementForMetadataKey = Symbol('listElementFor');
+const listElementMap = new Map();
-
+export function listElementFor(listable: GenericConstructor<ListableObject>) {
-export function listElementFor(value: GenericConstructor<ListableObject>) {
+  return function decorator(objectElement: any) {
-  return Reflect.metadata(listElementForMetadataKey, value);
+    if (!objectElement) {
+      return;
+    }
+    listElementMap.set(listable, objectElement);
+  };
 }
 
-export function getListElementFor(target: any) {
+export function getListElementFor(listable: GenericConstructor<ListableObject>) {
-  return Reflect.getOwnMetadata(listElementForMetadataKey, target);
+  return listElementMap.get(listable);
 }

src/app/object-list/listable-object/listable-object.model.ts

@@ -1,3 +1 @@
-export interface ListableObject {
+export interface ListableObject {}
-
-}

src/app/object-list/object-list-element/object-list-element.component.ts

@@ -6,8 +6,9 @@ import { ListableObject } from '../listable-object/listable-object.model';
   styleUrls: ['./object-list-element.component.scss'],
   templateUrl: './object-list-element.component.html'
 })
-export class ObjectListElementComponent {
+export class ObjectListElementComponent <T extends ListableObject> {
-
+  object: T;
-  // In the current version of Angular4, @Input is not supported by the NgComponentOutlet - instead we're using DI
+  public constructor(@Inject('objectElementProvider') public listable: ListableObject) {
-  constructor(@Inject('objectElementProvider') public object: ListableObject) { }
+    this.object = listable as T;
+  }
 }

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

@@ -0,0 +1,6 @@
+<a [routerLink]="['/collections/' + dso.id]" class="lead">
+    {{dso.name}}
+</a>
+<div *ngIf="dso.shortDescription" class="text-muted">
+    {{dso.shortDescription}}
+</div>

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

@@ -0,0 +1 @@
+@import '../../../../styles/variables.scss';

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

@@ -0,0 +1,15 @@
+import { Component } from '@angular/core';
+
+import { listElementFor } from '../../list-element-decorator';
+import { CollectionSearchResult } from './collection-search-result.model';
+import { SearchResultListElementComponent } from '../search-result-list-element.component';
+import { Collection } from '../../../core/shared/collection.model';
+
+@Component({
+  selector: 'ds-collection-search-result-list-element',
+  styleUrls: ['collection-search-result-list-element.component.scss'],
+  templateUrl: 'collection-search-result-list-element.component.html'
+})
+
+@listElementFor(CollectionSearchResult)
+export class CollectionSearchResultListElementComponent extends SearchResultListElementComponent<CollectionSearchResult, Collection> {}

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

@@ -0,0 +1,5 @@
+import { SearchResult } from '../../../search/search-result.model';
+import { Collection } from '../../../core/shared/collection.model';
+
+export class CollectionSearchResult extends SearchResult<Collection> {
+}

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

@@ -0,0 +1,6 @@
+<a [routerLink]="['/communities/' + dso.id]" class="lead">
+    {{dso.name}}
+</a>
+<div *ngIf="dso.shortDescription" class="text-muted">
+    {{dso.shortDescription}}
+</div>

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

@@ -0,0 +1 @@
+@import '../../../../styles/variables.scss';

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

@@ -0,0 +1,17 @@
+import { Component } from '@angular/core';
+
+import { listElementFor } from '../../list-element-decorator';
+import { CommunitySearchResult } from './community-search-result.model';
+import { SearchResultListElementComponent } from '../search-result-list-element.component';
+import { Community } from '../../../core/shared/community.model';
+
+@Component({
+  selector: 'ds-community-search-result-list-element',
+  styleUrls: ['community-search-result-list-element.component.scss'],
+  templateUrl: 'community-search-result-list-element.component.html'
+})
+
+@listElementFor(CommunitySearchResult)
+export class CommunitySearchResultListElementComponent extends SearchResultListElementComponent<CommunitySearchResult, Community> {
+
+}

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

@@ -0,0 +1,5 @@
+import { SearchResult } from '../../../search/search-result.model';
+import { Community } from '../../../core/shared/community.model';
+
+export class CommunitySearchResult extends SearchResult<Community> {
+}

src/app/object-list/search-result-list-element/item-search-result/item-search-result-list-element.component.html

@@ -0,0 +1,14 @@
+<a [routerLink]="['/items/' + dso.id]" class="lead">
+    {{dso.findMetadata("dc.title")}}
+</a>
+<div>
+  <span class="text-muted">
+    <span *ngIf="dso.filterMetadata(['dc.contributor.author', 'dc.creator', 'dc.contributor.*']);" class="item-list-authors">
+        <span *ngFor="let authorMd of dso.filterMetadata(['dc.contributor.author', 'dc.creator', 'dc.contributor.*']); let last=last;">{{authorMd.value}}
+            <span *ngIf="!last">; </span>
+        </span>
+    </span>
+    (<span *ngIf="dso.findMetadata('dc.publisher')" class="item-list-publisher">{{dso.findMetadata("dc.publisher")}}, </span><span *ngIf="dso.findMetadata('dc.date.issued')" class="item-list-date">{{dso.findMetadata("dc.date.issued")}}</span>)
+  </span>
+    <div *ngIf="dso.findMetadata('dc.description.abstract')" class="item-list-abstract">{{dso.findMetadata("dc.description.abstract") | dsTruncate:[200] }}</div>
+</div>

src/app/object-list/search-result-list-element/item-search-result/item-search-result-list-element.component.scss

@@ -0,0 +1 @@
+@import '../../../../styles/variables.scss';

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

@@ -0,0 +1,15 @@
+import { Component } from '@angular/core';
+
+import { listElementFor } from '../../list-element-decorator';
+import { ItemSearchResult } from './item-search-result.model';
+import { SearchResultListElementComponent } from '../search-result-list-element.component';
+import { Item } from '../../../core/shared/item.model';
+
+@Component({
+  selector: 'ds-item-search-result-list-element',
+  styleUrls: ['item-search-result-list-element.component.scss'],
+  templateUrl: 'item-search-result-list-element.component.html'
+})
+
+@listElementFor(ItemSearchResult)
+export class ItemSearchResultListElementComponent extends SearchResultListElementComponent<ItemSearchResult, Item> {}

src/app/object-list/search-result-list-element/item-search-result/item-search-result.model.ts

@@ -0,0 +1,5 @@
+import { SearchResult } from '../../../search/search-result.model';
+import { Item } from '../../../core/shared/item.model';
+
+export class ItemSearchResult extends SearchResult<Item> {
+}

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

@@ -0,0 +1,19 @@
+import { Component, Inject } from '@angular/core';
+
+import { ObjectListElementComponent } from '../object-list-element/object-list-element.component';
+import { ListableObject } from '../listable-object/listable-object.model';
+import { SearchResult } from '../../search/search-result.model';
+import { DSpaceObject } from '../../core/shared/dspace-object.model';
+
+@Component({
+  selector: 'ds-search-result-list-element',
+  template: ``
+})
+
+export class SearchResultListElementComponent<T extends SearchResult<K>, K extends DSpaceObject> extends ObjectListElementComponent<T> {
+  dso: K;
+  public constructor(@Inject('objectElementProvider') public listable: ListableObject) {
+    super(listable);
+    this.dso = this.object.dspaceObject;
+  }
+}

src/app/object-list/wrapper-list-element/wrapper-list-element.component.ts

@@ -1,6 +1,7 @@
 import { Component, Input, Injector, ReflectiveInjector, OnInit } from '@angular/core';
 import { ListableObject } from '../listable-object/listable-object.model';
 import { getListElementFor } from '../list-element-decorator'
+import { GenericConstructor } from '../../core/shared/generic-constructor';
 
 @Component({
   selector: 'ds-wrapper-list-element',
@@ -15,11 +16,12 @@ export class WrapperListElementComponent implements OnInit {
 
   ngOnInit(): void {
     this.objectInjector = ReflectiveInjector.resolveAndCreate(
-      [{provide: 'objectElementProvider', useFactory: () => ({ providedObject: this.object }) }], this.injector);
+      [{provide: 'objectElementProvider', useFactory: () => (this.object) }], this.injector);
 
   }
 
-  private getListElement(): string {
+  getListElement(): string {
-    return getListElementFor(this.object.constructor).constructor.name;
+    const f: GenericConstructor<ListableObject> = this.object.constructor as GenericConstructor<ListableObject>;
+    return getListElementFor(f);
   }
 }

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

@@ -19,7 +19,7 @@ import { DSpaceObject } from '../core/shared/dspace-object.model';
 })
 export class SearchPageComponent implements OnInit {
     private sub;
-    private results: RemoteData<Array<SearchResult<DSpaceObject>>>;
+    results: RemoteData<Array<SearchResult<DSpaceObject>>>;
 
     constructor(
       private service: SearchService,

src/app/search-page/search-page.module.ts

@@ -9,6 +9,10 @@ import { SearchPageRoutingModule } from './search-page-routing.module';
 import { SearchPageComponent } from './search-page.component';
 import { SearchFormComponent } from '../shared/search-form/search-form.component';
 import { SearchResultsComponent } from './search-results/search-results.compontent';
+import { SearchModule } from '../search/search.module';
+import { ItemSearchResultListElementComponent } from '../object-list/search-result-list-element/item-search-result/item-search-result-list-element.component';
+import { CollectionSearchResultListElementComponent } from '../object-list/search-result-list-element/collection-search-result/collection-search-result-list-element.component';
+import { CommunitySearchResultListElementComponent } from '../object-list/search-result-list-element/community-search-result/community-search-result-list-element.component';
 
 @NgModule({
   imports: [
@@ -17,11 +21,20 @@ import { SearchResultsComponent } from './search-results/search-results.componte
     TranslateModule,
     RouterModule,
     SharedModule,
+    SearchModule
   ],
   declarations: [
     SearchPageComponent,
     SearchFormComponent,
-    SearchResultsComponent
+    SearchResultsComponent,
+    ItemSearchResultListElementComponent,
+    CollectionSearchResultListElementComponent,
+    CommunitySearchResultListElementComponent
+  ],
+  entryComponents: [
+    ItemSearchResultListElementComponent,
+    CollectionSearchResultListElementComponent,
+    CommunitySearchResultListElementComponent
   ]
 })
 export class SearchPageModule { }

src/app/search-page/search-results/search-results.compontent.ts

@@ -1,5 +1,6 @@
 import { Component, OnInit, Input } from '@angular/core';
 import { RemoteData } from '../../core/data/remote-data';
+import { SearchResult } from '../../search/search-result.model';
 import { DSpaceObject } from '../../core/shared/dspace-object.model';
 
 /**
@@ -14,7 +15,7 @@ import { DSpaceObject } from '../../core/shared/dspace-object.model';
 })
 
 export class SearchResultsComponent implements OnInit {
-  @Input() searchResults: RemoteData<DSpaceObject[]>;
+  @Input() searchResults: RemoteData<Array<SearchResult<DSpaceObject>>>;
 
   ngOnInit(): void {
     // onInit

src/app/search/search.service.ts

@@ -9,6 +9,7 @@ import { SearchOptions } from './search.models';
 import { hasValue, isNotEmpty } from '../shared/empty.util';
 import { Metadatum } from '../core/shared/metadatum.model';
 import { Item } from '../core/shared/item.model';
+import { ItemSearchResult } from '../object-list/search-result-list-element/item-search-result/item-search-result.model';
 
 @Injectable()
 export class SearchService {
@@ -62,12 +63,12 @@ export class SearchService {
       elementsPerPage: returningPageInfo.elementsPerPage
     });
     const payload = itemsRD.payload.map((items: Item[]) => {
-      return items.sort(()=>{
+      return items.sort(() => {
         const values = [-1, 0, 1];
         return values[Math.floor(Math.random() * values.length)];
       })
       .map((item: Item, index: number) => {
-        const mockResult: SearchResult<DSpaceObject> = new SearchResult();
+        const mockResult: SearchResult<DSpaceObject> = new ItemSearchResult();
         mockResult.dspaceObject = item;
         const highlight = new Metadatum();
         highlight.key = 'dc.description.abstract';

src/app/shared/search-form/search-form.component.html

@@ -1,15 +1,19 @@
-<form [formGroup]="searchFormGroup">
+<form [formGroup]="searchFormGroup" action="/search">
     <div class="input-group">
         <input type="text" class="form-control" aria-label="Search input">
-        <div ngbDropdown  class="input-group-btn">
-            <button type="submit" class="btn btn-secondary" id="searchDropdown" ngbDropdownToggle>
-                Go
-            </button>
-            <div ngbDropdownMenu aria-labelledby="searchDropdown">
-                <a class="dropdown-item" href="#">Search DSpace</a>
-                <a class="dropdown-item" href="#">Search this collection</a>
-            </div>
 
+        <div class="input-group-btn" ngbDropdown>
+            <button type="submit" class="btn btn-secondary">Search DSpace</button>
+            <button type="button" class="btn btn-secondary dropdown-toggle" data-toggle="dropdown"
+                    aria-haspopup="true" aria-expanded="false" id="searchDropdown" ngbDropdownToggle>
+                <span class="sr-only">Toggle Dropdown</span>
+            </button>
+            <div ngbDropdownMenu class="dropdown-menu dropdown-menu-right" aria-labelledby="searchDropdown">
+                <a class="dropdown-item" href="#">Search DSpace</a>
+                <a class="dropdown-item" href="#">Search this Collection</a>
+                <a class="dropdown-item" href="#">Search this Community</a>
+            </div>
         </div>
+
     </div>
 </form>

src/app/shared/shared.module.ts

@@ -25,6 +25,7 @@ import { CommunityListElementComponent } from '../object-list/community-list-ele
 import { CollectionListElementComponent } from '../object-list/collection-list-element/collection-list-element.component';
 import { TruncatePipe } from './utils/truncate.pipe';
 import { WrapperListElementComponent } from '../object-list/wrapper-list-element/wrapper-list-element.component';
+import { SearchResultListElementComponent } from '../object-list/search-result-list-element/search-result-list-element.component';
 
 const MODULES = [
   // Do NOT include UniversalModule, HttpModule, or JsonpModule here
@@ -54,10 +55,15 @@ const COMPONENTS = [
   ComcolPageLogoComponent,
   ObjectListComponent,
   ObjectListElementComponent,
-  WrapperListElementComponent,
+  WrapperListElementComponent
+];
+
+const ENTRY_COMPONENTS = [
+  // put shared entry components (components that are created dynamically) here
   ItemListElementComponent,
   CollectionListElementComponent,
-  CommunityListElementComponent
+  CommunityListElementComponent,
+  SearchResultListElementComponent
 ];
 
 const PROVIDERS = [
@@ -72,7 +78,8 @@ const PROVIDERS = [
   ],
   declarations: [
     ...PIPES,
-    ...COMPONENTS
+    ...COMPONENTS,
+    ...ENTRY_COMPONENTS
   ],
   exports: [
     ...MODULES,
@@ -81,6 +88,9 @@ const PROVIDERS = [
   ],
   providers: [
     ...PROVIDERS
+  ],
+  entryComponents: [
+    ...ENTRY_COMPONENTS
   ]
 })
 export class SharedModule {