feat(services): add new pipe and catchError functions

Author: Ismaestro

package-lock.json

@@ -46,7 +46,7 @@
   },
   "devDependencies": {
     "@angular/cdk": "5.2.4",
-    "@angular/cli": "1.7.4",
+    "@angular/cli": "1.7.3",
     "@angular/compiler-cli": "5.2.10",
     "@angular/language-service": "5.2.10",
     "@angular/material": "5.2.4",

package.json

@@ -14,7 +14,7 @@ import {HTTP_INTERCEPTORS, HttpClient, HttpClientModule} from '@angular/common/h
 import {TranslateLoader, TranslateModule} from '@ngx-translate/core';
 import {HttpLoaderFactory} from './app.translate.factory';
 import {HeroTopComponent} from './heroes/hero-top/hero-top.component';
-import {ProgressBarService} from './core/progress-bar.service';
+import {ProgressBarService} from './core/shared/progress-bar.service';
 import {ProgressInterceptor} from './shared/interceptors/progress.interceptor';
 import {TimingInterceptor} from './shared/interceptors/timing.interceptor';
 import {SampleModule} from 'angular-example-library';

src/app/app.module.ts

@@ -3,15 +3,15 @@ import {CommonModule} from '@angular/common';
 import {FormsModule, ReactiveFormsModule} from '@angular/forms';
 
 import {throwIfAlreadyLoaded} from './module-import-guard';
-import {LoggerService} from './logger.service';
+import {LoggerService} from './shared/logger.service';
 
 import {NavComponent} from './nav/nav.component';
 import {FooterComponent} from './footer/footer.component';
 import {SharedModule} from '../shared/modules/shared.module';
 import {RouterModule} from '@angular/router';
 import {SearchBarComponent} from './search-bar/search-bar.component';
 import {Error404Component} from './error404/error-404.component';
-import {ProgressBarService} from './progress-bar.service';
+import {ProgressBarService} from './shared/progress-bar.service';
 import {SampleModule} from 'angular-example-library';
 
 @NgModule({

src/app/core/core.module.ts

@@ -4,7 +4,7 @@ import {TranslateModule} from '@ngx-translate/core';
 import {APP_CONFIG, AppConfig} from '../../config/app.config';
 import {HeroService} from '../../heroes/shared/hero.service';
 import {MaterialModule} from '../../shared/modules/material.module';
-import {ProgressBarService} from '../progress-bar.service';
+import {ProgressBarService} from '../shared/progress-bar.service';
 import {TestsModule} from '../../shared/modules/tests.module';
 import {Error404Component} from './error-404.component';
 

src/app/core/error404/error-404.component.spec.ts

@@ -5,7 +5,7 @@ import {TranslateModule, TranslateService} from '@ngx-translate/core';
 import {APP_CONFIG, AppConfig} from '../../config/app.config';
 import {HeroService} from '../../heroes/shared/hero.service';
 import {MaterialModule} from '../../shared/modules/material.module';
-import {ProgressBarService} from '../progress-bar.service';
+import {ProgressBarService} from '../shared/progress-bar.service';
 import {TestsModule} from '../../shared/modules/tests.module';
 
 describe('NavComponent', () => {

src/app/core/nav/nav.component.spec.ts

@@ -3,7 +3,7 @@ import {TranslateService} from '@ngx-translate/core';
 
 import {APP_CONFIG, AppConfig} from '../../config/app.config';
 import {IAppConfig} from '../../config/iapp.config';
-import {ProgressBarService} from '../progress-bar.service';
+import {ProgressBarService} from '../shared/progress-bar.service';
 
 @Component({
   selector: 'app-nav',

src/app/core/nav/nav.component.ts

@@ -46,7 +46,7 @@ describe('SearchBarComponent', () => {
   }));
 
   it('should get all heroes', fakeAsync(() => {
-    spyOn(heroService, 'getAllHeroes').and.returnValue(Promise.resolve(true));
+    spyOn(heroService, 'getHeroes').and.returnValue(Promise.resolve(true));
     tick();
     fixture.detectChanges();
     expect(component.defaultHeroes.length).toBeGreaterThan(0);

src/app/core/search-bar/search-bar.component.spec.ts

@@ -1,5 +1,5 @@
 import {Component, OnInit} from '@angular/core';
-import {LoggerService} from '../logger.service';
+import {LoggerService} from '../shared/logger.service';
 import {Hero} from '../../heroes/shared/hero.model';
 import {FormControl} from '@angular/forms';
 import {HeroService} from '../../heroes/shared/hero.service';
@@ -28,7 +28,7 @@ export class SearchBarComponent implements OnInit {
   }
 
   ngOnInit() {
-    this.heroService.getAllHeroes().subscribe((heroes: Array<Hero>) => {
+    this.heroService.getHeroes().subscribe((heroes: Array<Hero>) => {
       this.defaultHeroes = heroes.filter(hero => hero['default']);
 
       this.heroFormControl.valueChanges