created change listener for current date on analysis page

src/app/analysis/analysis.page.html

@@ -19,7 +19,7 @@
 
     <ion-modal [keepContentsMounted]="true">
       <ng-template>
-        <ion-datetime id="current-datetime" presentation="date" [(ngModel)]="currentDate" (ionChange)="updateCurrentData()"></ion-datetime>
+        <ion-datetime id="current-datetime" presentation="date" [(ngModel)]="currentDate"></ion-datetime>
       </ng-template>
     </ion-modal>
   </ion-item>

src/app/analysis/analysis.page.ts

@@ -49,12 +49,26 @@ export class AnalysisPage {
   @ViewChild('chart') chartRef: ElementRef;
   private chart: any;
 
+  private changeListener: any;
+
   constructor(private time: TimeService) {
     addIcons({briefcase, pizza, card})
   }
 
   ionViewDidEnter() {
     this.updateCurrentData();
+
+    let lastDate: any = undefined;
+    this.changeListener = setInterval(() => {
+      if (this.currentDate != lastDate) {
+        lastDate = this.currentDate;
+        this.updateCurrentData();
+      }
+    }, 200)
+  }
+
+  ionViewDidLeave() {
+    clearInterval(this.changeListener);
   }
 
   public updateCurrentData() {