RTL/src/app/clightning/store/cl.effects.ts

import { Injectable, OnDestroy } from '@angular/core';
import { HttpClient } from '@angular/common/http';
import { Store } from '@ngrx/store';
import { Actions, Effect, ofType } from '@ngrx/effects';
import { of } from 'rxjs';
import { map, mergeMap, catchError, withLatestFrom } from 'rxjs/operators';

import { environment, API_URL } from '../../../environments/environment';
import { LoggerService } from '../../shared/services/logger.service';
import { GetInfoCL, FeesCL, BalanceCL, LocalRemoteBalanceCL } from '../../shared/models/clModels';

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

@Injectable()
export class CLEffects implements OnDestroy {
  dialogRef: any;
  CHILD_API_URL = API_URL + '/cl';

  constructor(
    private actions$: Actions,
    private httpClient: HttpClient,
    private store: Store<fromRTLReducer.RTLState>,
    private logger: LoggerService) { }

  @Effect()
  infoFetchCL = this.actions$.pipe(
    ofType(RTLActions.FETCH_CL_INFO),
    withLatestFrom(this.store.select('root')),
    mergeMap(([action, store]) => {
      this.store.dispatch(new RTLActions.ClearEffectErrorCl('FetchCLInfo'));
      return this.httpClient.get<GetInfoCL>(this.CHILD_API_URL + environment.GETINFO_API)
        .pipe(
          map((info) => {
            this.logger.info(info);
            let chainObj = { chain: '', network: '' };
            if (info.network === 'testnet') {
              chainObj.chain = 'Bitcoin';
              chainObj.network = 'Testnet';
            } else if (info.network === 'bitcoin') {
              chainObj.chain = 'Bitcoin';
              chainObj.network = 'Mainnet';
            } else if (info.network === 'litecoin') {
              chainObj.chain = 'Litecoin';
              chainObj.network = 'Mainnet';
            } else if (info.network === 'litecoin-testnet') {
              chainObj.chain = 'Litecoin';
              chainObj.network = 'Testnet';
            }
            sessionStorage.setItem('clUnlocked', 'true');
            const node_data = {
              identity_pubkey: info.id,
              alias: info.alias,
              testnet: (info.network === 'testnet' || info.network === 'litecoin-testnet') ? true : false,
              chains: [chainObj],
              version: info.version,
              currency_unit: 'BTC',
              smaller_currency_unit: 'Sats',
              numberOfPendingChannels: info.num_pending_channels
            };
            this.store.dispatch(new RTLActions.SetNodeData(node_data));
            return {
              type: RTLActions.SET_CL_INFO,
              payload: (undefined !== info) ? info : {}
            };
          }),
          catchError((err) => {
            this.logger.error(err);
            this.store.dispatch(new RTLActions.EffectErrorCl({ action: 'FetchCLInfo', code: err.status, message: err.error.error }));
            return of();
          })
        );
    }
    ));

  @Effect()
  fetchFeesCL = this.actions$.pipe(
    ofType(RTLActions.FETCH_CL_FEES),
    mergeMap((action: RTLActions.FetchCLFees) => {
      this.store.dispatch(new RTLActions.ClearEffectErrorCl('FetchCLFees'));
      return this.httpClient.get<FeesCL>(this.CHILD_API_URL + environment.FEES_API);
    }),
    map((fees) => {
      this.logger.info(fees);
      return {
        type: RTLActions.SET_CL_FEES,
        payload: (undefined !== fees) ? fees : {}
      };
    }),
    catchError((err: any) => {
      this.logger.error(err);
      this.store.dispatch(new RTLActions.EffectErrorCl({ action: 'FetchCLFees', code: err.status, message: err.error.error }));
      return of();
    }
  ));

  @Effect()
  fetchBalanceCL = this.actions$.pipe(
    ofType(RTLActions.FETCH_CL_BALANCE),
    mergeMap((action: RTLActions.FetchCLBalance) => {
      this.store.dispatch(new RTLActions.ClearEffectErrorCl('FetchCLBalance'));
      return this.httpClient.get<BalanceCL>(this.CHILD_API_URL + environment.BALANCE_API);
    }),
    map((balance) => {
      this.logger.info(balance);
      return {
        type: RTLActions.SET_CL_BALANCE,
        payload: (undefined !== balance) ? balance : {}
      };
    }),
    catchError((err: any) => {
      this.logger.error(err);
      this.store.dispatch(new RTLActions.EffectErrorCl({ action: 'FetchCLBalance', code: err.status, message: err.error.error }));
      return of();
    }
  ));

  @Effect()
  fetchLocalRemoteBalanceCL = this.actions$.pipe(
    ofType(RTLActions.FETCH_CL_LOCAL_REMOTE_BALANCE),
    mergeMap((action: RTLActions.FetchCLLocalRemoteBalance) => {
      this.store.dispatch(new RTLActions.ClearEffectErrorCl('FetchCLLocalRemoteBalance'));
      return this.httpClient.get<LocalRemoteBalanceCL>(this.CHILD_API_URL + environment.CHANNELS_API + '/localremotebalance');
    }),
    map((lrBalance) => {
      this.logger.info(lrBalance);
      return {
        type: RTLActions.SET_CL_LOCAL_REMOTE_BALANCE,
        payload: (undefined !== lrBalance) ? lrBalance : {}
      };
    }),
    catchError((err: any) => {
      this.logger.error(err);
      this.store.dispatch(new RTLActions.EffectErrorCl({ action: 'FetchCLLocalRemoteBalance', code: err.status, message: err.error.error }));
      return of();
    }
  ));

  ngOnDestroy() { }

}