idk

src/app/app.component.ts

@@ -9,8 +9,6 @@ import {RouterOutlet} from "@angular/router";
   standalone: true,
   imports: [HotelsComponent, IdkComponent, RouterOutlet],
   template: `
-    <app-hotels />
-    <app-idk />
     <router-outlet />
   `
 })

src/app/app.routes.ts

@@ -1,15 +1,21 @@
 import { Routes } from '@angular/router';
 import {HotelsComponent} from "./hotel/hotels.component";
 import {HotelComponent} from "./hotel/hotel.component";
+import {CreateHotelComponent} from "./hotel/create-hotel.component";
 
 export const routes: Routes = [
   {
-    path: '/hotels',
+    path: 'hotels',
     component: HotelsComponent,
     title: 'Hotels',
   },
   {
-    path: '/hotels/{id}',
+    path: 'hotels/new',
+    component: CreateHotelComponent,
+    title: 'New Hotel'
+  },
+  {
+    path: 'hotels/:hotelId',
     component: HotelComponent,
     title: 'Hotel',
   }

src/app/hotel/create-hotel.component.ts

@@ -0,0 +1,35 @@
+import { Component } from '@angular/core';
+import {FormsModule} from "@angular/forms";
+
+@Component({
+  selector: 'app-create-hotel',
+  standalone: true,
+  imports: [
+    FormsModule
+  ],
+  template: `
+    <ng-form>
+      <label for="name">Name</label>
+      <br>
+      <input id="name" type="text">
+      <br>
+      <label for="description">Description</label>
+      <br>
+      <input id="description" type="text">
+      <br>
+      <label for="price">Price</label>
+      <br>
+      <input id="price" type="number">
+      <br>
+      <label for="rating">Rating</label>
+      <br>
+      <input id="rating" type="number">
+      <br>
+      <br>
+      <button type="submit">Submit</button>
+    </ng-form>
+  `,
+})
+export class CreateHotelComponent {
+
+}

src/app/hotel/hotel.component.ts

@@ -1,9 +1,11 @@
-import {Component, Input} from "@angular/core";
+import {Component, inject, Input, OnInit} from "@angular/core";
 import {Hotel} from "./hotel"
-import {CurrencyPipe} from "@angular/common";
+import {CurrencyPipe, NgOptimizedImage} from "@angular/common";
 import {Lang} from "../idek/lang";
 import {StarComponent} from "../star/star.component";
+import {ActivatedRoute} from "@angular/router";
 import {HotelService} from "../service/hotel.service";
+import {catchError, EMPTY, throwError} from "rxjs";
 
 
 @Component({
@@ -11,24 +13,46 @@ import {HotelService} from "../service/hotel.service";
   selector: 'app-hotel',
   imports: [
     CurrencyPipe,
-    StarComponent
+    StarComponent,
+    NgOptimizedImage
   ],
   template: `
     <div style="border: white 2px; border-radius: 2px">
+      @if (hotel && !alert) {
         <p class="name">Name: {{ hotel.hotelName }}</p>
         <p>Beschreibung: {{ hotel.description }}</p>
         <p>Preis: {{ hotel.price | currency: currency.currency : 'symbol' : '2.2-2' : currency.code }}/nacht</p>
-      <p>Sterne: <app-star [rating]="hotel.rating"></app-star></p>
+        <p>Sterne:
+          <app-star [rating]="hotel.rating"></app-star>
+        </p>
         <img width="64" height="64" src="{{hotel.imageUrl}}">
+      } @else if(alert) {
+        <h2>{{alert}}</h2>
+      } @else {
+        <h2>loading</h2>
+      }
+
     </div>
   `
 })
-export class HotelComponent {
+export class HotelComponent implements OnInit {
-  @Input()
+  protected currency: Lang = {name: 'de', code: 'de-DE', currency: 'EUR'}
-  public currency: Lang = {name: 'de', code: 'de-DE', currency: 'EUR'}
-  @Input()
-  public hotel!: Hotel;
 
-  constructor() {
+  protected hotel!: Hotel;
+
+  protected alert: string|undefined
+
+  private route: ActivatedRoute = inject(ActivatedRoute);
+
+  private hotelService: HotelService = inject(HotelService);
+
+  ngOnInit(): void {
+    const hotelId = this.route.snapshot.params['hotelId'];
+    this.hotelService.getHotelById(hotelId)
+      .pipe(catchError((err) => {
+      this.alert = `Hotel could not be retrieved: ${err.message}`
+      return EMPTY;
+    }))
+      .subscribe({next: (hotel: Hotel) => {this.hotel = hotel}})
   }
 }

src/app/hotel/hotel.ts

@@ -1,5 +1,5 @@
 export interface Hotel {
-  hotelId: number;
+  id: number;
   hotelName: string;
   description: string;
   price: number;

src/app/hotel/hotels.component.ts

@@ -4,9 +4,11 @@ import {Hotel} from "./hotel";
 import {FormsModule} from "@angular/forms";
 import {Lang} from "../idek/lang";
 import {HotelService} from "../service/hotel.service";
-import {Observable} from "rxjs";
+import {filter, Observable, toArray} from "rxjs";
 import {AsyncPipe} from "@angular/common";
 import {CurrencyComponent} from "../currency/currency.component";
+import {RouterLink} from "@angular/router";
+import {StarComponent} from "../star/star.component";
 
 @Component({
   standalone: true,
@@ -15,14 +17,17 @@ import {CurrencyComponent} from "../currency/currency.component";
     <form>
       <input name="search" [ngModel]="search" (ngModelChange)="searchEvent($event)">
     </form>
-    @for (hotel of (matchingHotels | async); track hotel.hotelId) {
+    @for (hotel of (matchingHotels | async); track hotel.id) {
-        <app-hotel [hotel]="hotel" [currency]="currency"></app-hotel>
+      <div>{{hotel.hotelName}}</div>
+      <img src="{{hotel.imageUrl}}" alt="{{hotel.hotelName}}" height="64" width="64">
+      <br>
+      <button routerLink="{{hotel.id}}">Details</button>
       <hr>
     } @empty {
       <h1>no matching results for {{ search }}</h1>
     }
   `,
-  imports: [FormsModule, HotelComponent, AsyncPipe, CurrencyComponent],
+  imports: [FormsModule, HotelComponent, AsyncPipe, CurrencyComponent, RouterLink, StarComponent],
   providers: [HotelService],
   selector: 'app-hotels'
 })
@@ -38,6 +43,6 @@ export class HotelsComponent {
 
   public searchEvent(input: string) {
     this.search = input.toLowerCase();
-    //this.matchingHotels.pipe(filter((hotel: Hotel) => hotel.hotelName.toLowerCase().includes(input.toLowerCase())));
+
   }
 }

src/app/service/HotelData.service.ts

@@ -6,7 +6,7 @@ export class HotelDataService implements InMemoryDbService{
   createDb(): Record<string, Hotel[]> {
     const hotels: Hotel[] = [
       {
-        "hotelId": 1,
+        "id": 1,
         "hotelName": "Buea süßes Leben",
         "description": "Schöne Aussicht am Meer",
         "price": 230.5,
@@ -14,7 +14,7 @@ export class HotelDataService implements InMemoryDbService{
         "rating": 3.5
       },
       {
-        "hotelId": 2,
+        "id": 2,
         "hotelName": "Marrakesch",
         "description": "Genießen Sie den Blick auf die Berge",
         "price": 145.5,
@@ -22,7 +22,7 @@ export class HotelDataService implements InMemoryDbService{
         "rating": 5
       },
       {
-        "hotelId": 3,
+        "id": 3,
         "hotelName": "Abuja neuer Palast",
         "description": "Kompletter Aufenthalt mit Autoservice",
         "price": 120.12,
@@ -30,7 +30,7 @@ export class HotelDataService implements InMemoryDbService{
         "rating": 4
       },
       {
-        "hotelId": 4,
+        "id": 4,
         "hotelName": "OUR Hotel",
         "description": "Wunderschönes Ambiente für Ihren Aufenthalt",
         "price": 135.12,

src/app/service/hotel.service.ts

@@ -12,4 +12,8 @@ export class HotelService {
   public getHotels(): Observable<Hotel[]> {
     return this.httpClient.get<Hotel[]>('/api/hotels');
   }
+
+  public getHotelById(id: number): Observable<Hotel> {
+    return this.httpClient.get<Hotel>(`/api/hotels/${id}`);
+  }
 }