RTL/src/app/lnd/network-info/network-info.component.ts

import { Component, OnInit, OnDestroy } from '@angular/core';
import { Subject } from 'rxjs';
import { takeUntil } from 'rxjs/operators';
import { Store } from '@ngrx/store';
import { faNetworkWired } from '@fortawesome/free-solid-svg-icons';

import { LoggerService } from '../../shared/services/logger.service';
import { GetInfo, NetworkInfo } from '../../shared/models/lndModels';
import { SelNodeChild } from '../../shared/models/RTLconfig';

import * as fromRTLReducer from '../../store/rtl.reducers';

@Component({
  selector: 'rtl-network-info',
  templateUrl: './network-info.component.html',
  styleUrls: ['./network-info.component.scss']
})
export class NetworkInfoComponent implements OnInit, OnDestroy {
  public faNetworkWired = faNetworkWired;
  public selNode: SelNodeChild = {};
  public information: GetInfo = {};
  public networkInfo: NetworkInfo = {};
  public flgLoading: Array<Boolean | 'error'> = [true, true];
  private unSubs: Array<Subject<void>> = [new Subject()];

  constructor(private logger: LoggerService, private store: Store<fromRTLReducer.RTLState>) {}

  ngOnInit() {
    this.store.select('lnd')
    .pipe(takeUntil(this.unSubs[0]))
    .subscribe((rtlStore) => {
      rtlStore.effectErrorsLnd.forEach(effectsErr => {
        if (effectsErr.action === 'FetchInfo') {
          this.flgLoading[0] = 'error';
        }
        if (effectsErr.action === 'FetchNetwork') {
          this.flgLoading[1] = 'error';
        }
      });
      this.selNode = rtlStore.nodeSettings;
      this.information = rtlStore.information;
      if (this.flgLoading[0] !== 'error') {
        this.flgLoading[0] = (undefined !== this.information.identity_pubkey) ? false : true;
      }

      this.networkInfo = rtlStore.networkInfo;
      if (this.flgLoading[1] !== 'error') {
        this.flgLoading[1] = (undefined !== this.networkInfo.num_nodes) ? false : true;
      }

      this.logger.info(rtlStore);
    });
  }

  ngOnDestroy() {
    this.unSubs.forEach(completeSub => {
      completeSub.next();
      completeSub.complete();
    });
  }
}