challenge 65

README.md

@@ -29,7 +29,7 @@ If you would like to propose a challenge, this project is open source, so feel f
 
 ## Challenges
 
-Check [all 64 challenges](https://angular-challenges.vercel.app/)
+Check [all 65 challenges](https://angular-challenges.vercel.app/)
 
 ## Contributors ✨
 

apps/forms/65-signal-form-edition/README.md

@@ -0,0 +1,19 @@
+# signal-form-edition
+
+> author: thomas-laforge
+
+### Run Application
+
+```bash
+npx nx serve forms-signal-form-edition
+```
+
+### Run Tests
+
+```bash
+npx nx test forms-signal-form-edition
+```
+
+### Documentation and Instruction
+
+Challenge documentation is [here](https://angular-challenges.vercel.app/challenges/forms/65-signal-form-edition/).

apps/forms/65-signal-form-edition/eslint.config.mjs

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+import nx from '@nx/eslint-plugin';
+import baseConfig from '../../../eslint.config.mjs';
+
+export default [
+  ...baseConfig,
+  ...nx.configs['flat/angular'],
+  ...nx.configs['flat/angular-template'],
+  {
+    files: ['**/*.ts'],
+    rules: {
+      '@angular-eslint/directive-selector': [
+        'error',
+        {
+          type: 'attribute',
+          prefix: 'app',
+          style: 'camelCase',
+        },
+      ],
+      '@angular-eslint/component-selector': [
+        'error',
+        {
+          type: 'element',
+          prefix: 'app',
+          style: 'kebab-case',
+        },
+      ],
+    },
+  },
+  {
+    files: ['**/*.html'],
+    // Override or add rules here
+    rules: {},
+  },
+];

apps/forms/65-signal-form-edition/project.json

@@ -0,0 +1,75 @@
+{
+  "name": "forms-signal-form-edition",
+  "$schema": "../../../node_modules/nx/schemas/project-schema.json",
+  "projectType": "application",
+  "prefix": "app",
+  "sourceRoot": "apps/forms/65-signal-form-edition/src",
+  "tags": [],
+  "targets": {
+    "build": {
+      "executor": "@angular/build:application",
+      "outputs": ["{options.outputPath}"],
+      "options": {
+        "outputPath": "dist/apps/forms/65-signal-form-edition",
+        "browser": "apps/forms/65-signal-form-edition/src/main.ts",
+        "tsConfig": "apps/forms/65-signal-form-edition/tsconfig.app.json",
+        "inlineStyleLanguage": "scss",
+        "assets": [
+          {
+            "glob": "**/*",
+            "input": "apps/forms/65-signal-form-edition/public"
+          }
+        ],
+        "styles": ["apps/forms/65-signal-form-edition/src/styles.scss"]
+      },
+      "configurations": {
+        "production": {
+          "budgets": [
+            {
+              "type": "initial",
+              "maximumWarning": "500kb",
+              "maximumError": "1mb"
+            },
+            {
+              "type": "anyComponentStyle",
+              "maximumWarning": "4kb",
+              "maximumError": "8kb"
+            }
+          ],
+          "outputHashing": "all"
+        },
+        "development": {
+          "optimization": false,
+          "extractLicenses": false,
+          "sourceMap": true
+        }
+      },
+      "defaultConfiguration": "production"
+    },
+    "serve": {
+      "continuous": true,
+      "executor": "@angular/build:dev-server",
+      "configurations": {
+        "production": {
+          "buildTarget": "forms-signal-form-edition:build:production"
+        },
+        "development": {
+          "buildTarget": "forms-signal-form-edition:build:development"
+        }
+      },
+      "defaultConfiguration": "development"
+    },
+    "lint": {
+      "executor": "@nx/eslint:lint"
+    },
+    "serve-static": {
+      "continuous": true,
+      "executor": "@nx/web:file-server",
+      "options": {
+        "buildTarget": "forms-signal-form-edition:build",
+        "staticFilePath": "dist/apps/forms/65-signal-form-edition/browser",
+        "spa": true
+      }
+    }
+  }
+}

apps/forms/65-signal-form-edition/src/app/app.component.spec.ts

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+import { TestBed } from '@angular/core/testing';
+import { Router } from '@angular/router';
+import { page } from 'vitest/browser';
+import { AppComponent } from './app.component';
+import { appConfig } from './app.config';
+
+describe('AppComponent', () => {
+  beforeEach(async () => {
+    TestBed.configureTestingModule({
+      providers: appConfig.providers,
+    });
+    const router = TestBed.inject(Router);
+    router.initialNavigation();
+    TestBed.createComponent(AppComponent);
+  });
+
+  describe('When component is rendered', () => {
+    it('Then should display the portal title', async () => {
+      const heading = page.getByRole('heading', {
+        name: /user management portal/i,
+      });
+      await expect.element(heading).toBeInTheDocument();
+    });
+
+    it('Then should display correct information in the user list', async () => {
+      await expect
+        .element(page.getByText('Max Mustermann'))
+        .toBeInTheDocument();
+      await expect.element(page.getByText('John Doe')).toBeInTheDocument();
+      await expect.element(page.getByText('Jane Smith')).toBeInTheDocument();
+    });
+  });
+
+  describe('Given a user wants to add a new user', () => {
+    it('Then should navigate to add form and create user', async () => {
+      const addButton = page.getByRole('button', { name: /add user/i }).first();
+      await addButton.click();
+
+      await expect
+        .element(page.getByRole('heading', { name: /add new user/i }))
+        .toBeInTheDocument();
+
+      await page.getByLabelText(/firstname/i).fill('Antigravity');
+      await page.getByLabelText(/lastname/i).fill('AI');
+      await page.getByLabelText(/age/i).fill('1');
+      await page.getByLabelText(/grade/i).fill('10');
+
+      await page.getByRole('button', { name: /add/i }).click();
+
+      await expect
+        .element(page.getByText('Antigravity AI'))
+        .toBeInTheDocument();
+    });
+  });
+
+  describe('Given a user wants to edit an existing user', () => {
+    it('Then should update the user successfully', async () => {
+      await expect.element(page.getByText('Jane Smith')).toBeInTheDocument();
+
+      const editButtons = await page
+        .getByRole('button', { name: /edit/i })
+        .all();
+      // Jane Smith is the 3rd user in list (id 3)
+      await editButtons[2].click();
+
+      await expect
+        .element(page.getByRole('heading', { name: /edit user/i }))
+        .toBeInTheDocument();
+      await expect
+        .element(page.getByLabelText(/firstname/i))
+        .toHaveValue('Jane');
+
+      await page.getByLabelText(/firstname/i).fill('Janet');
+      await page.getByRole('button', { name: /update/i }).click();
+
+      await expect.element(page.getByText('Janet Smith')).toBeInTheDocument();
+      await expect
+        .element(page.getByText('Jane Smith'))
+        .not.toBeInTheDocument();
+    });
+  });
+
+  describe('Given a user wants to delete a user', () => {
+    it('Then should remove the user from the list', async () => {
+      await expect.element(page.getByText('John Doe')).toBeInTheDocument();
+
+      const deleteButtons = await page
+        .getByRole('button', { name: /delete/i })
+        .all();
+      // John Doe is the 2nd user in list
+      await deleteButtons[1].click();
+
+      await expect.element(page.getByText('John Doe')).not.toBeInTheDocument();
+    });
+  });
+});

apps/forms/65-signal-form-edition/src/app/app.component.ts

@@ -0,0 +1,22 @@
+import { ChangeDetectionStrategy, Component } from '@angular/core';
+import { RouterOutlet } from '@angular/router';
+
+@Component({
+  imports: [RouterOutlet],
+  selector: 'app-root',
+  template: `
+    <div class="min-h-screen bg-gray-50 px-4 py-8 sm:px-6 lg:px-8">
+      <div class="mx-auto max-w-4xl">
+        <header class="mb-8 font-serif">
+          <h1 class="text-3xl font-bold leading-tight text-gray-900">
+            User Management Portal
+          </h1>
+        </header>
+
+        <router-outlet />
+      </div>
+    </div>
+  `,
+  changeDetection: ChangeDetectionStrategy.OnPush,
+})
+export class AppComponent {}

apps/forms/65-signal-form-edition/src/app/app.config.ts

@@ -0,0 +1,23 @@
+import {
+  ApplicationConfig,
+  provideBrowserGlobalErrorListeners,
+} from '@angular/core';
+import { provideRouter, withComponentInputBinding } from '@angular/router';
+import { HomeComponent } from './home.component';
+import { UserFormComponent } from './user-form.component';
+
+export const appConfig: ApplicationConfig = {
+  providers: [
+    provideBrowserGlobalErrorListeners(),
+    provideRouter(
+      [
+        { path: '', redirectTo: 'home', pathMatch: 'full' },
+        { path: 'home', component: HomeComponent },
+        { path: 'add', component: UserFormComponent },
+        { path: 'edit/:id', component: UserFormComponent },
+        { path: '**', redirectTo: 'home' },
+      ],
+      withComponentInputBinding(),
+    ),
+  ],
+};

apps/forms/65-signal-form-edition/src/app/fake-backend.service.ts

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+import { Injectable } from '@angular/core';
+import { delay, Observable, of } from 'rxjs';
+import { User } from './user.model';
+
+@Injectable({
+  providedIn: 'root',
+})
+export class FakeBackendService {
+  private users: User[] = [
+    { id: 1, firstname: 'Max', lastname: 'Mustermann', age: 30, grade: 10 },
+    { id: 2, firstname: 'John', lastname: 'Doe', age: 25, grade: 8 },
+    { id: 3, firstname: 'Jane', lastname: 'Smith', age: 28, grade: 9 },
+  ];
+
+  getUsers(): Observable<User[]> {
+    return of([...this.users]).pipe(delay(500));
+  }
+
+  getUser(id: number): Observable<User | undefined> {
+    return of(this.users.find((u) => u.id === id)).pipe(delay(500));
+  }
+
+  addUser(user: Omit<User, 'id'>): Observable<User> {
+    const newUser = {
+      ...user,
+      id: Math.max(...this.users.map((u) => u.id), 0) + 1,
+    };
+    this.users.push(newUser);
+    return of(newUser).pipe(delay(500));
+  }
+
+  updateUser(user: User): Observable<User> {
+    const index = this.users.findIndex((u) => u.id === user.id);
+    if (index !== -1) {
+      this.users[index] = user;
+    }
+    return of(user).pipe(delay(500));
+  }
+
+  deleteUser(id: number): Observable<void> {
+    this.users = this.users.filter((u) => u.id !== id);
+    return of(undefined).pipe(delay(500));
+  }
+}

apps/forms/65-signal-form-edition/src/app/home.component.ts

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+import { ChangeDetectionStrategy, Component, inject } from '@angular/core';
+import { rxResource } from '@angular/core/rxjs-interop';
+import { Router } from '@angular/router';
+import { FakeBackendService } from './fake-backend.service';
+import { UserListComponent } from './user-list.component';
+import { User } from './user.model';
+
+@Component({
+  selector: 'app-home',
+  imports: [UserListComponent],
+  template: `
+    <div class="space-y-6">
+      @if (usersResource.isLoading()) {
+        <div
+          class="flex h-64 items-center justify-center rounded-lg border border-gray-200 bg-white shadow-sm">
+          <div
+            class="h-8 w-8 animate-spin rounded-full border-4 border-indigo-500 border-t-transparent"></div>
+        </div>
+      } @else {
+        <app-user-list
+          [users]="usersResource.value()"
+          (add)="onAdd()"
+          (edit)="onEdit($event)"
+          (delete)="onDelete($event)" />
+      }
+    </div>
+  `,
+  changeDetection: ChangeDetectionStrategy.OnPush,
+})
+export class HomeComponent {
+  private backend = inject(FakeBackendService);
+  private router = inject(Router);
+
+  usersResource = rxResource({
+    stream: () => this.backend.getUsers(),
+    defaultValue: [],
+  });
+
+  onAdd(): void {
+    this.router.navigate(['/add']);
+  }
+
+  onEdit(user: User): void {
+    this.router.navigate(['/edit', user.id]);
+  }
+
+  onDelete(id: number): void {
+    this.backend.deleteUser(id).subscribe(() => {
+      this.usersResource.reload();
+    });
+  }
+}