(front) Suggester with ng-bootstrap

Really "complex" search method, but yea, it's work :s

(cherry picked from commit 0789a92b0a9153b6112ad39b1f61090bdbeab197)

dashboard/package.json

@@ -19,15 +19,17 @@
     "@angular/platform-browser": "~11.0.4",
     "@angular/platform-browser-dynamic": "~11.0.4",
     "@angular/router": "~11.0.4",
-    "rxjs": "~6.6.0",
-    "zone.js": "~0.10.2",
+    "@ng-bootstrap/ng-bootstrap": "^9.1.3",
     "bootstrap": "^3.3.7",
-    "tslib": "^2.0.0"
+    "rxjs": "~6.6.0",
+    "tslib": "^2.0.0",
+    "zone.js": "~0.10.2"
   },
   "devDependencies": {
     "@angular-devkit/build-angular": "~0.1100.4",
     "@angular/cli": "~11.0.4",
     "@angular/compiler-cli": "~11.0.4",
+    "@angular/localize": "^11.0.4",
     "@types/jasmine": "~3.6.0",
     "@types/node": "^12.11.1",
     "codelyzer": "^6.0.0",

dashboard/src/app/app.module.ts

@@ -23,12 +23,15 @@ import { ConvertSizeToStringPipe } from './pipes/convert-size-to-string.pipe';
 import { RoundPipe } from './pipes/round.pipe';
 import { AlbumsComponent } from './albums/albums.component';
 
+import {NgbModule} from '@ng-bootstrap/ng-bootstrap';
+
 @NgModule({
   imports: [
     BrowserModule,
     HttpClientModule,
     FormsModule,
-    AppRoutingModule
+    AppRoutingModule,
+    NgbModule
   ],
   declarations: [
     AppComponent,

dashboard/src/app/dashboard/dashboard.component.html

@@ -85,13 +85,9 @@
             </span>
             <input class="form-control" type="text" name="search" placeholder="Search Here" autocomplete="off" autofocus="autofocus"
                 id="searchSuggest"
-                list="dynmicUserIds"
                 [(ngModel)]="searchTerm"
-                (keyup)="onSearchChange()"
-                (change)="onSearchSelected($event)">
-                <datalist id="dynmicUserIds">
-                   <option *ngFor="let item of suggested" [value]="item.name" [label]="item.type" [id]="item">{{item}}</option>
-                </datalist>
+                [ngbTypeahead]="search"
+                (selectItem)="onSelectSearch($event)">
         </div>
     </div>
 </form>

dashboard/src/app/dashboard/dashboard.component.ts

@@ -4,16 +4,16 @@ import { Router } from '@angular/router';
 import { ElsService } from './../els.service';
 import { Song } from './../model/song';
 import { Bucket } from './../model/bucket';
-import { Album } from './../model/album';
-import { Artist } from './../model/artist';
 import { Suggested } from '../model/suggested';
 
+import {Observable, of, OperatorFunction} from 'rxjs';
+import {catchError, debounceTime, distinctUntilChanged, map, tap, switchMap} from 'rxjs/operators';
+
 @Component({
   selector: 'app-dashboard',
   templateUrl: './dashboard.component.html',
   styleUrls: [ './dashboard.component.css' ]
 })
-
 export class DashboardComponent implements OnInit {
   totalTime = 0;
   totalSize = 0;
@@ -119,18 +119,26 @@ export class DashboardComponent implements OnInit {
     });
   }
 
-  onSearchChange() {
-    this.elsService.getSuggest(this.searchTerm).subscribe(result => this.suggested = result);
+  onSelectSearch($event) {
+    this.route.navigate(['/' + $event.item.type + '/' + $event.item.name])
   }
 
-  onSearchSelected($event) {
-    let selected = $event.target.value
-    // FIXME Not possible to get good element (just value)
-    // Need to use a plugin to do this correctly
-    this.suggested.forEach(element => {
-      if (element.name == selected) {
-        this.route.navigate(['/' + element.type + '/' + element.name])
-      }
-    });
-  }
+  searching = false;
+  searchFailed = false;
+
+  search: OperatorFunction<string, readonly string[]> = (text$: Observable<string>) =>
+    text$.pipe(
+      debounceTime(300),
+      distinctUntilChanged(),
+      tap(() => this.searching = true),
+      switchMap(term =>
+        this.elsService.getSuggest(term).pipe(
+          tap(() => this.searchFailed = false),
+          catchError(() => {
+            this.searchFailed = true;
+            return of([]);
+          }))
+      ),
+      tap(() => this.searching = false)
+    )
 }

dashboard/src/polyfills.ts

@@ -1,3 +1,7 @@
+/***************************************************************************************************
+ * Load `$localize` onto the global scope - used if i18n tags appear in Angular templates.
+ */
+import '@angular/localize/init';
 /**
  * This file includes polyfills needed by Angular and is loaded before the app.
  * You can add your own extra polyfills to this file.