src/app/customers/store/commands/effects/service.effects.ts

/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
import {Injectable} from '@angular/core';
import {Actions, Effect, toPayload} from '@ngrx/effects';
import {Observable} from 'rxjs/Observable';
import {Action} from '@ngrx/store';
import {of} from 'rxjs/observable/of';
import * as commandActions from '../commands.actions';
import {CustomerService} from '../../../../services/customer/customer.service';

@Injectable()
export class CustomerCommandApiEffects {

  @Effect()
  loadCommands$: Observable<Action> = this.actions$
    .ofType(commandActions.LOAD_ALL)
    .map(toPayload)
    .mergeMap(customerId =>
      this.customerService.listCustomerCommand(customerId)
        .map(commands => new commandActions.LoadAllCompleteAction(commands))
        .catch((error) => of(new commandActions.LoadAllCompleteAction([])))
    );

  constructor(private actions$: Actions, private customerService: CustomerService) { }

}