api_call

api.js

fetchData(): Observable<any[]> {
    this.attendanceService.getDayOverViewByGroupId(this.dateForDayOverView, this.defaultGroup).then(
      (res1: any) => {
        let dayOverViewByGroup = res1.mobile_employee_dayoverview;
        dayOverViewByGroup.forEach(element => {
          element.children.forEach(children => {
            if (null !== children.away) {
              children.awayClass = "awayClass";
              children.reason = children.away.reason;
            } else {
              children.awayClass = "";
              children.reason = "";
            }

            if (true == children.additionalDay) {
              children.addtionalClass = "additionalClass";
            } else {
              children.addtionalClass = "";
            }

            children.disableToggle = false;

            if (children.checkin.length == 2) {
              children.disableToggle = true;
            }

            if (children.checkin.length == 0) {
              children.disabled = false;
              children.checkout = "Nicht anwesend";
              children.class = "notcheckin";
            } else {
              if (children.checkin[children.checkin.length - 1].inorout === 1) {
                children.disabled = true;
                children.class = "checkin";
                children.checkout = "Anwesend";
              } else {
                children.disabled = false;
                children.checkout = "Nicht anwesend";
                children.class = "notcheckin";
              }
            }
          });
        });
        this.appFunctionCtrl.dismissLoader();
        console.log('dayOverViewByGroup', dayOverViewByGroup) 
        this.dayOverViewByGroup = dayOverViewByGroup;
      },
      error => {
        console.log("Error", error);
      }
    );
    return this.dateForDayOverView;
  }
  
  
  //provider part
  
  that.http.post(`${that.baseUrl}/dayoverview?${params}`, null, options).timeout(this.timeTimeout).subscribe((success: any) => {
          resolve(success);
        }, (err) => {

          this.appFunctionCtrl.dismissLoader();
          if (err.name == 'TimeoutError') {
            this.alert.present();
          }
          else {
            reject(err);
          }
        });