src/app/centers/store/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 {OfficeService} from '../../../services/office/office.service';
import {Actions, Effect} from '@ngrx/effects';
import {Observable} from 'rxjs/Observable';
import {Action} from '@ngrx/store';
import {of} from 'rxjs/observable/of';
import * as employeeActions from '../center.actions';
import {IdentityService} from '../../../services/identity/identity.service';
import {RoleIdentifier} from '../../../services/identity/domain/role-identifier.model';
import {Password} from '../../../services/identity/domain/password.model';

@Injectable()
export class EmployeeApiEffects {

  @Effect()
  createEmployee$: Observable<Action> = this.actions$
    .ofType(employeeActions.CREATE)
    .map((action: employeeActions.CreateEmployeeAction) => action.payload)
    .mergeMap(payload =>
      this.identityService.createUser(payload.user)
        .mergeMap(() => this.officeService.createEmployee(payload.employee) )
        .map(() => new employeeActions.CreateEmployeeSuccessAction({
          resource: payload.employee,
          activatedRoute: payload.activatedRoute
        }))
        .catch((error) => of(new employeeActions.CreateEmployeeFailAction(error)))
    );

  @Effect()
  updateEmployee$: Observable<Action> = this.actions$
    .ofType(employeeActions.UPDATE)
    .map((action: employeeActions.UpdateEmployeeAction) => action.payload)
    .mergeMap(payload => {
        const employee = payload.employee;
        const httpCalls: Observable<any>[] = [];

        httpCalls.push(this.officeService.updateEmployee(employee));

        if (payload.contactDetails) {
          httpCalls.push(this.officeService.setContactDetails(employee.identifier, payload.contactDetails));
        }

        if (payload.role) {
          httpCalls.push(this.identityService.changeUserRole(employee.identifier, new RoleIdentifier(payload.role)));
        }

        if (payload.password) {
          httpCalls.push(this.identityService.changePassword(employee.identifier, new Password(payload.password)));
        }

        return Observable.forkJoin(httpCalls)
          .map(() => new employeeActions.UpdateEmployeeSuccessAction({
            resource: payload.employee,
            activatedRoute: payload.activatedRoute
          }))
          .catch((error) => of(new employeeActions.UpdateEmployeeFailAction(error)));
    });

  @Effect()
  deleteEmployee$: Observable<Action> = this.actions$
    .ofType(employeeActions.DELETE)
    .map((action: employeeActions.DeleteEmployeeAction) => action.payload)
    .mergeMap(payload => {
      return Observable.forkJoin(
        this.officeService.deleteEmployee(payload.employee.identifier),
        this.identityService.changeUserRole(payload.employee.identifier, new RoleIdentifier('deactivated'))
      )
        .map(() => new employeeActions.DeleteEmployeeSuccessAction({
          resource: payload.employee,
          activatedRoute: payload.activatedRoute
        }))
        .catch((error) => of(new employeeActions.DeleteEmployeeFailAction(error)));
      }
    );

  constructor(private actions$: Actions, private officeService: OfficeService, private identityService: IdentityService) { }
}