ngOnInit()

in src/app/components/dashboard/dashboard.component.ts [59:121]
55 lines of code
10 McCabe index (conditional complexity)

  ngOnInit() {
    this.spinner.show();

    this.scheduler
      .fetchClusterList()
      .pipe(
        finalize(() => {
          this.spinner.hide();
        })
      )
      .subscribe((list) => {
        this.clusterList = list;

        if (list && list[0]) {
          this.clusterInfo = list[0];
          this.clusterInfo.clusterStatus = 'Active';
          if (list[0].rmBuildInformation && list[0].rmBuildInformation[0]) {
            this.buildInfo = list[0].rmBuildInformation[0];
          }
        }
      });

    this.scheduler.fetchPartitionList().subscribe((list) => {
      this.partitionList = list;

      if (list && list[0]) {
        this.nodeSortPolicy = list[0].nodeSortingPolicy
          ? list[0].nodeSortingPolicy.type
          : NOT_AVAILABLE;

        list[0].totalContainers = list[0].totalContainers || 0;
        this.partitionName = list[0].name || NOT_AVAILABLE;
        this.totalNodes = String(list[0].totalNodes);
        this.totalApplications = String(list[0].applications.total);
        this.totalContainers = String(list[0].totalContainers);
        this.updateAppStatusData(list[0].applications);
        this.updateContainerStatusData(list[0]);
      } else {
        this.nodeSortPolicy = NOT_AVAILABLE;
        this.partitionName = NOT_AVAILABLE;
        this.totalNodes = NOT_AVAILABLE;
        this.totalApplications = NOT_AVAILABLE;
        this.totalContainers = NOT_AVAILABLE;
      }
    });

    this.scheduler.fetchAppHistory().subscribe((data) => {
      this.initialAppHistory = data;
      this.appHistoryData = this.getAreaChartData(data);
    });

    this.scheduler.fetchContainerHistory().subscribe((data) => {
      this.initialContainerHistory = data;
      this.containerHistoryData = this.getAreaChartData(data);
    });

    this.eventBus.getEvent(EventMap.LayoutChangedEvent).subscribe(() => {
      this.updateAppStatusData(this.partitionList[0].applications);
      this.updateContainerStatusData(this.partitionList[0]);
      this.appHistoryData = this.getAreaChartData(this.initialAppHistory);
      this.containerHistoryData = this.getAreaChartData(this.initialContainerHistory);
    });
  }