idk

src/app/app.component.css

@@ -0,0 +1 @@
+

src/app/app.component.ts

@@ -3,13 +3,15 @@ import {Child1Component} from "./child/child-1/child-1.component";
 import {Child2Component} from "./child/child-2/child-2.component";
 import {ParentComponent} from "./child/parent/parent.component";
 import {HotelsComponent} from "./hotel/hotels.component";
+import {IdkComponent} from "./idek/idk.component";
 
 @Component({
   selector: 'app-root',
   standalone: true,
-  imports: [Child1Component, Child2Component, ParentComponent, HotelsComponent],
+  imports: [Child1Component, Child2Component, ParentComponent, HotelsComponent, IdkComponent],
   template: `
     <app-hotels></app-hotels>
+    <app-idk></app-idk>
   `
 })
 export class AppComponent {

src/app/app.config.ts

@@ -1,8 +1,14 @@
 import { ApplicationConfig, provideZoneChangeDetection } from '@angular/core';
 import { provideRouter } from '@angular/router';
-
 import { routes } from './app.routes';
+import {registerLocaleData} from "@angular/common";
+import localeDe from "@angular/common/locales/de"
+import localeCn from "@angular/common/locales/en"
+import localeJap from "@angular/common/locales/en"
 
+registerLocaleData(localeDe, 'de-DE')
+registerLocaleData(localeCn, 'cn-CN')
+registerLocaleData(localeJap, 'ja-JP')
 export const appConfig: ApplicationConfig = {
   providers: [provideZoneChangeDetection({ eventCoalescing: true }), provideRouter(routes)]
 };

src/app/hotel/hotel.component.ts

@@ -1,21 +1,30 @@
 import {Component, Input} from "@angular/core";
 import {Hotel} from "./hotel"
+import {CurrencyPipe} from "@angular/common";
+import {Lang} from "../idek/lang";
+import {StarComponent} from "../star/star.component";
 
 
 @Component({
   standalone: true,
   selector: 'app-hotel',
+  imports: [
+    CurrencyPipe,
+    StarComponent
+  ],
   template: `
     <div style="border: white 2px; border-radius: 2px">
-      <p class="name">Name: {{hotel.hotelName}}</p>
-      <p>Beschreibung: {{hotel.description}}</p>
-      <p>Preis: {{hotel.price}}/nacht</p>
-      <p>Sterne: {{hotel.rating}}/5</p>
+      <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>
       <img width="64" height="64" src="{{hotel.imageUrl}}">
     </div>
   `
 })
 export class HotelComponent {
+  @Input()
+  public currency: Lang = {name: 'de', code: 'de-DE', currency: 'EUR'}
   @Input()
   public hotel!: Hotel;
 }

src/app/hotel/hotels.component.ts

@@ -2,15 +2,21 @@ import {Component} from "@angular/core";
 import {HotelComponent} from "./hotel.component";
 import {Hotel} from "./hotel";
 import {FormsModule} from "@angular/forms";
+import {Lang} from "../idek/lang";
 
 @Component({
   standalone: true,
   template: `
+    <select [ngModel]="currency" (ngModelChange)="setCurrency($event)">
+      @for (currency of currencies; track null) {
+        <option value="{{currency.name}}">{{currency.name}}</option>
+      }
+    </select>
     <form>
       <input name="search" [ngModel]="search" (ngModelChange)="searchEvent($event)">
     </form>
     @for (hotel of matchingHotels; track hotel.hotelId) {
-        <app-hotel [hotel]="hotel"></app-hotel>
+        <app-hotel [hotel]="hotel" [currency]="currency"></app-hotel>
         <hr>
     } @empty {
       <h1>no matching results for {{search}}</h1>
@@ -22,12 +28,46 @@ import {FormsModule} from "@angular/forms";
 export class HotelsComponent {
   public search: string = '';
 
+  public currency: Lang = {name: 'de', code: 'de-DE', currency: 'EUR'};
+
+  public currencies: Lang[] = [
+    {
+      name: 'de',
+      code: 'de-DE',
+      currency: 'EUR'
+    },
+    {
+      name: 'en',
+      code: 'en-US',
+      currency: 'USD'
+    },
+    {
+      name: 'jap',
+      code: 'ja-JP',
+      currency: 'JPY'
+    },
+    {
+      name: 'cn',
+      code: 'cn-CN',
+      currency: 'CNY'
+    }
+  ]
+
   public matchingHotels: Hotel[] = [];
 
   constructor() {
     this.matchingHotels = this.hotels;
   }
 
+  public setCurrency(currencyInput: string): void {
+    for (const currency of this.currencies) {
+      if (currency.name === currencyInput) {
+        this.currency = currency;
+        break;
+      }
+    }
+  }
+
   public searchEvent(input: string) {
     this.search = input.toLowerCase();
     this.matchingHotels = []

src/app/idek/idk.component.ts

@@ -0,0 +1,54 @@
+import {Component} from "@angular/core";
+import {CurrencyPipe, UpperCasePipe} from "@angular/common";
+import {TestPipe} from "./test.pipe";
+import {FormsModule} from "@angular/forms";
+import {Lang} from "./lang";
+
+@Component({
+  selector: 'app-idk',
+  standalone: true,
+  imports: [UpperCasePipe, TestPipe, CurrencyPipe, FormsModule],
+  template: `
+    <select [ngModel]="currency" (ngModelChange)="setCurrency($event)">
+      @for (currency of currencies; track null) {
+        <option value="{{currency.name}}">{{currency.name}}</option>
+      }
+    </select>
+    {{ 234 | currency : currency.currency : 'symbol' : '2.2-2' : currency.code }}
+  `
+})
+export class IdkComponent {
+  public currency: Lang = {name: 'de', code: 'de-DE', currency: 'EUR'};
+
+  public currencies: Lang[] = [
+    {
+      name: 'de',
+      code: 'de-DE',
+      currency: 'EUR'
+    },
+    {
+      name: 'en',
+      code: 'en-US',
+      currency: 'USD'
+    },
+    {
+      name: 'jap',
+      code: 'ja-JP',
+      currency: 'JPY'
+    },
+    {
+      name: 'cn',
+      code: 'cn-CN',
+      currency: 'CNY'
+    }
+  ]
+
+  public setCurrency(currencyInput: string): void {
+    for (const currency of this.currencies) {
+      if (currency.name === currencyInput) {
+        this.currency = currency;
+          break;
+      }
+    }
+  }
+}

src/app/idek/lang.ts

@@ -0,0 +1,5 @@
+export interface Lang {
+  code: string;
+  name: string;
+  currency: string;
+}

src/app/idek/test.pipe.ts

@@ -0,0 +1,11 @@
+import {Pipe, PipeTransform} from "@angular/core";
+
+@Pipe({
+  name: 'idk',
+  standalone: true,
+})
+export class TestPipe implements PipeTransform {
+  transform(value: string): string {
+    return value.toLowerCase().replaceAll('l', 'p');
+  }
+}

src/app/star/star.component.spec.ts

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

src/app/star/star.component.ts

@@ -0,0 +1,27 @@
+import {Component, Input} from '@angular/core';
+
+@Component({
+  selector: 'app-star',
+  standalone: true,
+  imports: [],
+  template: `
+    @for (_ of getList(); track null) {
+      test
+      <svg xmlns="http://www.w3.org/2000/svg" width="1em" height="1em" viewBox="0 0 24 24"><path fill="currentColor" d="m5.825 21l1.625-7.025L2 9.25l7.2-.625L12 2l2.8 6.625l7.2.625l-5.45 4.725L18.175 21L12 17.275z"/></svg>
+    }
+    @if (rating % 1 >= 0.5) {
+      <svg xmlns="http://www.w3.org/2000/svg" width="1em" height="1em" viewBox="0 0 24 24"><path fill="currentColor" d="m15.15 16.85l-.825-3.6l2.775-2.4l-3.65-.325l-1.45-3.4v7.8zM5.825 21l1.625-7.025L2 9.25l7.2-.625L12 2l2.8 6.625l7.2.625l-5.45 4.725L18.175 21L12 17.275z"/></svg>
+    }
+
+  `,
+})
+export class StarComponent {
+  @Input()
+  public rating: number = 0;
+
+  public getList(): null[] {
+    console.log(this.rating)
+    console.log(Array(this.rating).fill(null))
+      return Array(this.rating).fill(null);
+  }
+}

src/index.html

@@ -8,6 +8,7 @@
   <script src="https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/js/bootstrap.min.js" integrity="sha512-ykZ1QQr0Jy/4ZkvKuqWn4iF3lqPZyij9iRv6sGqLRdTPkY69YX6+7wvVGmsdBbiIfN/8OdsI7HABjvEok6ZopQ==" crossorigin="anonymous" referrerpolicy="no-referrer"></script>
   <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.3/css/bootstrap-grid.min.css" integrity="sha512-i1b/nzkVo97VN5WbEtaPebBG8REvjWeqNclJ6AItj7msdVcaveKrlIIByDpvjk5nwHjXkIqGZscVxOrTb9tsMA==" crossorigin="anonymous" referrerpolicy="no-referrer" />
   <link rel="icon" type="image/x-icon" href="favicon.ico">
+  <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/material-design-icons/4.0.0/iconfont/material-icons.min.css" referrerpolicy="no-referrer" />
 </head>
 <body>
   <app-root></app-root>