Differenzansicht 11-forms
im Vergleich zu 10-pipes

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src/app/app.html CHANGED
@@ -9,6 +9,10 @@
9
  <a routerLink="/books" routerLinkActive="active"
10
  ariaCurrentWhenActive="page">Books</a>
11
  </li>
 
 
 
 
12
  </ul>
13
  </nav>
14
  <router-outlet />
 
9
  <a routerLink="/books" routerLinkActive="active"
10
  ariaCurrentWhenActive="page">Books</a>
11
  </li>
12
+ <li>
13
+ <a routerLink="/admin" routerLinkActive="active"
14
+ ariaCurrentWhenActive="page">Admin</a>
15
+ </li>
16
  </ul>
17
  </nav>
18
  <router-outlet />
src/app/app.routes.ts CHANGED
@@ -2,9 +2,11 @@ import { Routes } from '@angular/router';
2
 
3
  import { HomePage } from './home-page/home-page';
4
  import { booksPortalRoutes } from './books-portal/books-portal.routes';
 
5
 
6
  export const routes: Routes = [
7
  { path: '', redirectTo: 'home', pathMatch: 'full' },
8
  { path: 'home', component: HomePage, title: 'BookMonkey' },
9
- ...booksPortalRoutes
 
10
  ];
 
2
 
3
  import { HomePage } from './home-page/home-page';
4
  import { booksPortalRoutes } from './books-portal/books-portal.routes';
5
+ import { booksAdminRoutes } from './books-admin/books-admin.routes';
6
 
7
  export const routes: Routes = [
8
  { path: '', redirectTo: 'home', pathMatch: 'full' },
9
  { path: 'home', component: HomePage, title: 'BookMonkey' },
10
+ ...booksPortalRoutes,
11
+ ...booksAdminRoutes
12
  ];
src/app/books-admin/book-create-page/book-create-page.html ADDED
@@ -0,0 +1,38 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ <h1>Create book</h1>
2
+
3
+ <form (submit)="submitForm($event)">
4
+ <label for="title">Title</label>
5
+ <input type="text" id="title" [field]="bookForm.title" />
6
+
7
+ <label for="subtitle">Subtitle</label>
8
+ <input type="text" id="subtitle" [field]="bookForm.subtitle" />
9
+
10
+ <label for="isbn">ISBN</label>
11
+ <input type="text" id="isbn" [field]="bookForm.isbn" />
12
+
13
+ <fieldset>
14
+ <legend>Authors</legend>
15
+ <button type="button" (click)="addAuthorControl()">Add Author</button>
16
+ <div role="group">
17
+ @for (authorControl of bookForm.authors; track $index) {
18
+ <input
19
+ type="text"
20
+ [attr.aria-label]="`Author ${$index + 1}`"
21
+ [field]="authorControl"
22
+ />
23
+ }
24
+ </div>
25
+ </fieldset>
26
+
27
+ <label for="description">Description</label>
28
+ <textarea id="description" [field]="bookForm.description"></textarea>
29
+
30
+ <label for="imageUrl">Thumbnail URL</label>
31
+ <input type="url" id="imageUrl" [field]="bookForm.imageUrl" />
32
+
33
+ <button
34
+ type="submit"
35
+ [attr.aria-busy]="bookForm().submitting()">
36
+ Save
37
+ </button>
38
+ </form>
src/app/books-admin/book-create-page/book-create-page.ts ADDED
@@ -0,0 +1,50 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ import { Component, inject, signal } from '@angular/core';
2
+ import { Field, form, submit } from '@angular/forms/signals';
3
+ import { Router } from '@angular/router';
4
+
5
+ import { Book } from '../../shared/book';
6
+ import { BookStore } from '../../shared/book-store';
7
+
8
+ @Component({
9
+ selector: 'app-book-create-page',
10
+ imports: [Field],
11
+ templateUrl: './book-create-page.html',
12
+ styleUrl: './book-create-page.scss'
13
+ })
14
+ export class BookCreatePage {
15
+ #bookStore = inject(BookStore);
16
+ #router = inject(Router);
17
+
18
+ readonly #book = signal({
19
+ isbn: '',
20
+ title: '',
21
+ subtitle: '',
22
+ authors: [''],
23
+ description: '',
24
+ imageUrl: '',
25
+ createdAt: new Date().toISOString(),
26
+ } satisfies Book);
27
+ protected readonly bookForm = form(this.#book);
28
+
29
+ addAuthorControl() {
30
+ this.bookForm.authors().value.update((authors) => [...authors, '']);
31
+ }
32
+
33
+ async submitForm(e: Event) {
34
+ e.preventDefault();
35
+
36
+ await submit(this.bookForm, async (form) => {
37
+ const formValue = form().value();
38
+ const authors = formValue.authors.filter(author => !!author);
39
+
40
+ const newBook: Book = {
41
+ ...formValue,
42
+ authors,
43
+ createdAt: new Date().toISOString()
44
+ };
45
+ this.#bookStore.create(newBook).subscribe(createdBook => {
46
+ this.#router.navigate(['/books', 'details', createdBook.isbn]);
47
+ });
48
+ });
49
+ }
50
+ }
src/app/books-admin/books-admin.routes.ts ADDED
@@ -0,0 +1,8 @@
 
 
 
 
 
 
 
 
 
1
+ import { Routes } from '@angular/router';
2
+
3
+ import { BookCreatePage } from './book-create-page/book-create-page';
4
+
5
+ export const booksAdminRoutes: Routes = [
6
+ { path: 'admin', redirectTo: 'admin/create' },
7
+ { path: 'admin/create', component: BookCreatePage, title: 'Create Book' }
8
+ ];
src/app/shared/book-store.ts CHANGED
@@ -27,4 +27,8 @@ export class BookStore {
27
  remove(isbn: string): Observable<void> {
28
  return this.#http.delete<void>(`${this.#apiUrl}/books/${isbn}`);
29
  }
 
 
 
 
30
  }
 
27
  remove(isbn: string): Observable<void> {
28
  return this.#http.delete<void>(`${this.#apiUrl}/books/${isbn}`);
29
  }
30
+
31
+ create(book: Book): Observable<Book> {
32
+ return this.#http.post<Book>(`${this.#apiUrl}/books`, book);
33
+ }
34
  }