adding dashbord

pdb-js/src/app/dashboard.service.ts

@@ -0,0 +1,55 @@
+import { HttpClient } from '@angular/common/http';
+import { Injectable } from '@angular/core';
+import { Observable } from 'rxjs';
+
+@Injectable({
+  providedIn: 'root'
+})
+export class DashboardService {
+
+  constructor(private http: HttpClient) { }
+
+  createDashboard(data: DashboardCreationData): Observable<Dashboard>{
+    return this.http.post<Dashboard>('//'+window.location.hostname+':'+window.location.port+'/api/dashboards/', data);
+  }
+
+  getDashboards(): Observable<DashboardList>{
+    return this.http.get<DashboardList>('//'+window.location.hostname+':'+window.location.port+'/api/dashboards/');
+  }
+
+  getDashboard(id: string): Observable<Dashboard>{
+    return this.http.get<Dashboard>('//'+window.location.hostname+':'+window.location.port+'/api/dashboards/'+id);
+  }
+
+  saveDashboard(dashboard: Dashboard): Observable<Dashboard>{
+    return this.http.put<Dashboard>('//'+window.location.hostname+':'+window.location.port+'/api/dashboards/'+dashboard.id, dashboard);
+  }
+}
+
+
+export class DashboardCreationData{
+  constructor(public name: string, public description: string){}
+}
+
+export class Dashboard{
+  constructor(public id: string, public name: string, public description: string, public texts: [TextWidget]){}
+}
+
+export class DashboardList{
+  constructor(public dashboards: [Dashboard]){}
+}
+
+export abstract class BaseWidget {
+  constructor(public type: 'TEXT'|'PLOT', public size: 'SMALL'|'MEDIUM'|'LARGE') {}
+}
+
+export class TextWidget  extends BaseWidget {
+  constructor(override size: 'SMALL'|'MEDIUM'|'LARGE', public text: string) {
+    super('TEXT', size);
+  }
+}
+export class PlotWidget extends BaseWidget {
+  constructor(override size: 'SMALL'|'MEDIUM'|'LARGE') {
+    super('PLOT', size);
+  }
+}