adding group by hostId support in dashboard.

fixes #151

webapp/frontend/src/app/modules/dashboard/dashboard.component.html

@@ -47,10 +47,15 @@
                 </div>
             </div>
 
-            <div class="flex flex-wrap w-full">
-                <app-dashboard-device class="flex gt-sm:w-1/2 min-w-80 p-4" *ngFor="let summary of data.data.summary | keyvalue" [deviceWWN]="summary.key" [deviceSummary]="summary.value"></app-dashboard-device>
+
+            <div class="flex flex-wrap w-full" *ngFor="let hostId of hostGroups | keyvalue">
+                <h3 class="ml-4" *ngIf="hostId.key">{{hostId.key}}</h3>
+                <div class="flex flex-wrap w-full">
+                    <app-dashboard-device class="flex gt-sm:w-1/2 min-w-80 p-4" *ngFor="let wwn of hostId.value" [deviceWWN]="wwn" [deviceSummary]="data.data.summary[wwn]"></app-dashboard-device>
+                </div>
             </div>
 
+
             <!-- Drive Temperatures -->
             <div class="flex flex-auto w-full min-w-80 h-90 p-4">
                 <div class="flex flex-col flex-auto bg-card shadow-md rounded overflow-hidden">

webapp/frontend/src/app/modules/dashboard/dashboard.component.ts

@@ -22,6 +22,7 @@ import {Router} from "@angular/router";
 export class DashboardComponent implements OnInit, AfterViewInit, OnDestroy
 {
     data: any;
+    hostGroups: { [hostId: string]: string[] } = {}
     temperatureOptions: ApexOptions;
     tempDurationKey: string = "forever"
     config: AppConfig;
@@ -86,6 +87,15 @@ export class DashboardComponent implements OnInit, AfterViewInit, OnDestroy
                 // Store the data
                 this.data = data;
 
+                //generate group data.
+                for(let wwn in this.data.data.summary){
+                    let hostid = this.data.data.summary[wwn].device.host_id
+                    let hostDeviceList = this.hostGroups[hostid] || []
+                    hostDeviceList.push(wwn)
+                    this.hostGroups[hostid] = hostDeviceList
+                }
+                console.log(this.hostGroups)
+
                 // Prepare the chart data
                 this._prepareChartData();
             });