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15 changed files with 189 additions and 66 deletions

@ -7,4 +7,5 @@
}
</select>
<img src="{{hotel.imageUrl}}" alt="Hotel">
<a *ngIf="!isDetail" routerLink="/hotels/{{hotel.id}}">Details</a>
<app-star-rating [rating]="hotel.rating"></app-star-rating>

@ -5,18 +5,21 @@ import { CurrencyPipe, NgIf } from "@angular/common";
import { FormsModule } from "@angular/forms";
import { StarRatingComponent } from "../star-rating/star-rating.component";
import { HttpClient } from "@angular/common/http";
import { RouterLink } from "@angular/router";
@Component({
selector: 'app-hotel-item',
standalone: true,
templateUrl: './HotelItem.component.html',
imports: [ChildComponent, CurrencyPipe, FormsModule, StarRatingComponent, NgIf],
imports: [ChildComponent, CurrencyPipe, FormsModule, StarRatingComponent, NgIf, RouterLink],
})
export class HotelItem {
@Input() public hotel!: Hotel;
public selectedLanguage?: string;
@Input() public isDetail: boolean = false;
public languageChange(lang: string) {
this.selectedLanguage = lang;
console.log(this.selectedLanguage);

@ -51,7 +51,6 @@ export class HotelData implements InMemoryDbService {
return { hotels };
}
genId(hotels: Hotel[]): number {
return hotels.length > 0 ? Math.max(...hotels.map(hotel => hotel.id)) + 1 : 1;
}

@ -1,10 +1,4 @@
<h1>{{'hello' | uppercase | text}}</h1>
<app-search [(input)]="search"></app-search>
@if (hotels[0].hotelName) {
<div *ngFor="let hotel of hotels">
<app-hotel-item *ngIf="hotel.hotelName.includes(search)" [hotel]="hotel"></app-hotel-item>
</div>
}
<router-outlet></router-outlet>
<!-- <p>ID: {{response.id}}</p> -->
<!-- <p>userId: {{response.userId}}</p> -->
<!-- <p>title: {{response.title}}</p> -->

@ -8,70 +8,17 @@ import { inject } from '@angular/core';
import { filter, from, last, map, Observable, scan } from 'rxjs';
import { HttpClient } from '@angular/common/http';
import { Hotel } from './HotelItem/hotel';
interface User {
name: string;
age: number;
}
import { RouterOutlet } from '@angular/router';
@Injectable({providedIn: "root"})
@Component({
selector: 'app-root',
standalone: true,
imports: [NgFor, NgForOf, NgIf, HotelItem, SearchComponent, UpperCasePipe, TextPipe, AsyncPipe],
imports: [RouterOutlet, NgFor, NgForOf, NgIf, HotelItem, SearchComponent, UpperCasePipe, TextPipe, AsyncPipe],
templateUrl: './app.component.html',
providers: [HotelService],
styleUrl: './app.component.css'
})
export class AppComponent {
public search: string = "";
public hotelService: HotelService = inject(HotelService);
public response: any = null;
public hotels: Array<Hotel> = [{} as Hotel];
constructor (private http: HttpClient) {
}
ngOnInit() {
this.http.get<Array<Hotel>>("api/hotels").subscribe(res => {
this.hotels = res;
});
const users = [
{ name: "Max", age: 21 },
{ name: "Peter", age: 31 },
{ name: "Hans", age: 13 },
{ name: "Klaus", age: 51 },
{ name: "Dieter", age: 1 },
{ name: "Jan-Marlon", age: 3 },
]
const stream: Observable<User> = from(users);
stream.pipe(
filter((user) => user.age > 18),
scan((acc, user) => acc + user.age, 0),
map((ageSum, index) => ageSum / (index + 1)),
last(),
).subscribe(console.log);
// const stream: Observable<number | string> = from([5, 1, 2, 12, 5, 14, 17, 5, "testing"]);
// stream.pipe(
// filter((value) => typeof value === "number"),
// tap((value) => console.log("Zahl:" + value)),
// filter((value: number) => value % 2 === 0),
// tap((value) => console.log("Gerade Zahl: " + value)),
// toArray(),
//).subscribe(console.log);
}
public test() {
console.log(this.search);
}
// public foundHotels = this.hotels.pipe(
// filter((hotel) => hotel.hotelName.includes(this.search)),
// );
}

@ -12,5 +12,9 @@ import { HotelData } from './api/api';
registerLocaleData(localeDe, 'de-DE');
registerLocaleData(localeCn, 'cn-CN');
export const appConfig: ApplicationConfig = {
providers: [provideZoneChangeDetection({ eventCoalescing: true }), provideRouter(routes), provideHttpClient(), importProvidersFrom(InMemoryWebApiModule.forRoot(HotelData))]
providers: [
provideZoneChangeDetection({ eventCoalescing: true }),
provideRouter(routes),
provideHttpClient(),
importProvidersFrom(InMemoryWebApiModule.forRoot(HotelData))]
};

@ -1,3 +1,14 @@
import { Routes } from '@angular/router';
import { HotelDetailsComponent } from './hotel-details/hotel-details.component';
import { HotelListComponent } from './hotel-list/hotel-list.component';
export const routes: Routes = [];
export const routes: Routes = [
{
path: "",
component: HotelListComponent,
},
{
path: "hotels/:id",
component: HotelDetailsComponent,
},
];

@ -0,0 +1 @@
<app-hotel-item [hotel]="hotel" [isDetail]="true"></app-hotel-item>

@ -0,0 +1,23 @@
import { ComponentFixture, TestBed } from '@angular/core/testing';
import { HotelDetailsComponent } from './hotel-details.component';
describe('HotelDetailsComponent', () => {
let component: HotelDetailsComponent;
let fixture: ComponentFixture<HotelDetailsComponent>;
beforeEach(async () => {
await TestBed.configureTestingModule({
imports: [HotelDetailsComponent]
})
.compileComponents();
fixture = TestBed.createComponent(HotelDetailsComponent);
component = fixture.componentInstance;
fixture.detectChanges();
});
it('should create', () => {
expect(component).toBeTruthy();
});
});

@ -0,0 +1,37 @@
import { HttpClient } from '@angular/common/http';
import { Component, OnInit } from '@angular/core';
import { ActivatedRoute, Router } from '@angular/router';
import { Hotel } from '../HotelItem/hotel';
import { CurrencyPipe } from '@angular/common';
import { StarRatingComponent } from '../star-rating/star-rating.component';
import { HotelItem } from '../HotelItem/HotelItem.component';
import { catchError, EMPTY } from 'rxjs';
@Component({
selector: 'app-hotel-details',
standalone: true,
imports: [CurrencyPipe, StarRatingComponent, HotelItem],
templateUrl: './hotel-details.component.html',
styleUrl: './hotel-details.component.css'
})
export class HotelDetailsComponent implements OnInit {
public hotel: any;
constructor(private route: ActivatedRoute, private http: HttpClient, private router: Router) { }
ngOnInit(): void {
const routeParams = this.route.snapshot.paramMap;
const hotelId = routeParams.get("id");
this.http.get<Hotel>("api/hotels/" + hotelId).pipe(
catchError(() => {
alert("Not Found");
this.router.navigate(["/"]);
return EMPTY;
})
).subscribe(res => {
this.hotel = res;
})
}
}

@ -0,0 +1,7 @@
<h1>{{'hello' | uppercase | text}}</h1>
<app-search [(input)]="search"></app-search>
@if (hotels[0].hotelName) {
<div *ngFor="let hotel of hotels">
<app-hotel-item *ngIf="hotel.hotelName.includes(search)" [hotel]="hotel"></app-hotel-item>
</div>
}

@ -0,0 +1,23 @@
import { ComponentFixture, TestBed } from '@angular/core/testing';
import { HotelListComponent } from './hotel-list.component';
describe('HotelListComponent', () => {
let component: HotelListComponent;
let fixture: ComponentFixture<HotelListComponent>;
beforeEach(async () => {
await TestBed.configureTestingModule({
imports: [HotelListComponent]
})
.compileComponents();
fixture = TestBed.createComponent(HotelListComponent);
component = fixture.componentInstance;
fixture.detectChanges();
});
it('should create', () => {
expect(component).toBeTruthy();
});
});

@ -0,0 +1,73 @@
import { CommonModule, NgFor, NgIf, UpperCasePipe } from '@angular/common';
import { Component, inject } from '@angular/core';
import { TextPipe } from '../../text.pipe';
import { SearchComponent } from '../Search/search.component';
import { HotelService } from '../Parent/services/hotel.service';
import { Hotel } from '../HotelItem/hotel';
import { HttpClient } from '@angular/common/http';
import { filter, from, last, map, Observable, scan } from 'rxjs';
import { HotelItem } from '../HotelItem/HotelItem.component';
interface User {
name: string;
age: number;
}
@Component({
selector: 'app-hotel-list',
standalone: true,
imports: [UpperCasePipe, TextPipe, SearchComponent, HotelItem, NgFor, NgIf],
templateUrl: './hotel-list.component.html',
styleUrl: './hotel-list.component.css'
})
export class HotelListComponent {
public search: string = "";
public hotelService: HotelService = inject(HotelService);
public response: any = null;
public hotels: Array<Hotel> = [{} as Hotel];
constructor (private http: HttpClient) {
}
ngOnInit() {
this.http.get<Array<Hotel>>("api/hotels").subscribe(res => {
this.hotels = res;
});
const users = [
{ name: "Max", age: 21 },
{ name: "Peter", age: 31 },
{ name: "Hans", age: 13 },
{ name: "Klaus", age: 51 },
{ name: "Dieter", age: 1 },
{ name: "Jan-Marlon", age: 3 },
]
const stream: Observable<User> = from(users);
stream.pipe(
filter((user) => user.age > 18),
scan((acc, user) => acc + user.age, 0),
map((ageSum, index) => ageSum / (index + 1)),
last(),
).subscribe(console.log);
// const stream: Observable<number | string> = from([5, 1, 2, 12, 5, 14, 17, 5, "testing"]);
// stream.pipe(
// filter((value) => typeof value === "number"),
// tap((value) => console.log("Zahl:" + value)),
// filter((value: number) => value % 2 === 0),
// tap((value) => console.log("Gerade Zahl: " + value)),
// toArray(),
//).subscribe(console.log);
}
public test() {
console.log(this.search);
}
// public foundHotels = this.hotels.pipe(
// filter((hotel) => hotel.hotelName.includes(this.search)),
// );
}