- legen-entry.component: any action via buttons

- Moment.Pipe insider core/time module
- dataset.service.ts: init initial timespan with current week timestamps

src/shared/models/timespan.ts

@@ -1,8 +1,10 @@
+import * as moment from "moment";
+
 export abstract class TimeInterval {
 
 }
 
-export class Timespan extends TimeInterval{
+export class Timespan extends TimeInterval {
 
     public from: number;
 
@@ -13,6 +15,14 @@ export class Timespan extends TimeInterval{
         this.from = from instanceof Date ? from.valueOf() : from;
         this.to = to ? (to instanceof Date ? to.valueOf() : to) : this.from;
     }
+
+    get fromDate(): string {
+        return moment(this.from).format('DD.MM.YYYY h:mm');
+    }
+
+    get toDate(): string {
+        return moment(this.to).format('DD.MM.YYYY h:mm');
+    }
 }
 
 export class BufferedTime extends TimeInterval {