highlight last updated dates when more than 2 weeks or 1 month.

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

@@ -67,8 +67,7 @@
                             <div class="flex flex-col">
                                 <a [routerLink]="'/device/'+ summary.value.device.wwn"
                                    class="font-bold text-md text-secondary uppercase tracking-wider">{{deviceTitle(summary.value.device)}}</a>
-                                <div [ngClass]="{'text-green': summary.value.device.device_status == 0 && summary.value.smart,
-                                    'text-red': summary.value.device.device_status != 0 }" class="font-medium text-sm" *ngIf="summary.value.smart">
+                                <div [ngClass]="classDeviceLastUpdatedOn(summary.value)" class="font-medium text-sm" *ngIf="summary.value.smart">
                                     Last Updated on {{summary.value.smart.collector_date | date:'MMMM dd, yyyy - HH:mm' }}
                                 </div>
                             </div>

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

@@ -196,6 +196,26 @@ export class DashboardComponent implements OnInit, AfterViewInit, OnDestroy
         }
     }
 
+    classDeviceLastUpdatedOn(deviceSummary){
+        if (deviceSummary.device.device_status !== 0) {
+            return 'text-red' // if the device has failed, always highlight in red
+        } else if(deviceSummary.device.device_status === 0 && deviceSummary.smart){
+            if(moment().subtract(14, 'd').isBefore(deviceSummary.smart.collector_date)){
+                // this device was updated in the last 2 weeks.
+                return 'text-green'
+            } else if(moment().subtract(1, 'm').isBefore(deviceSummary.smart.collector_date)){
+                // this device was updated in the last month
+                return 'text-yellow'
+            } else{
+                // last updated more than a month ago.
+                return 'text-red'
+            }
+
+        } else {
+            return ''
+        }
+    }
+
     /**
      * Track by function for ngFor loops
      *