43 lines
1.1 KiB
TypeScript
43 lines
1.1 KiB
TypeScript
import { Component, signal, ChangeDetectionStrategy, inject, WritableSignal } from '@angular/core';
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import { UserService } from './user.service';
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import { NgFor, NgIf } from '@angular/common';
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@Component({
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selector: 'app-root',
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standalone: true,
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imports: [NgFor, NgIf],
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templateUrl: './app.component.html',
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styleUrl: './app.component.css',
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changeDetection: ChangeDetectionStrategy.OnPush
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})
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export class AppComponent {
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title = 'angular-workshop';
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private userService = inject(UserService);
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selectedUserId = signal<number | null>(null);
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users: WritableSignal<any[]> = signal([]);
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todos: WritableSignal<any[]> = signal([]);
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isLoadingUsers = signal(true);
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isLoadingTodos = signal(false);
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ngOnInit() {
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this.userService.getUsers().subscribe(users => {
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this.users.set(users);
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});
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}
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onUserSelect(event: Event) {
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this.isLoadingTodos.set(true)
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const userId = Number((event.target as HTMLSelectElement).value);
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this.selectedUserId.set(userId);
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this.userService.getTodos(userId).subscribe(todos => {
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this.todos.set(todos)
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this.isLoadingTodos.set(false)
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});
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}
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}
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