46 lines
1.4 KiB
Plaintext
46 lines
1.4 KiB
Plaintext
import { HomeData } from '../model/HomeModels';
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import { HomeRepository } from '../data/repository/HomeRepository';
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import { SessionRepository } from '../data/repository/SessionRepository';
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import { ServiceLocator } from '../di/ServiceLocator';
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/**
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* 首页视图模型：@ObservedV2 三态（loading / error / data）。
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* 根据登录态分流到游客首页 / 原生首页。
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*/
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@ObservedV2
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export class HomeViewModel {
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@Trace data: HomeData = new HomeData();
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@Trace isGuest: boolean = true;
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@Trace loading: boolean = false;
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@Trace error: string = '';
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private readonly repository: HomeRepository;
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private readonly session: SessionRepository;
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constructor(repository: HomeRepository, session: SessionRepository) {
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this.repository = repository;
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this.session = session;
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}
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static create(): HomeViewModel {
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return new HomeViewModel(
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ServiceLocator.get('homeRepository') as HomeRepository,
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ServiceLocator.get('sessionRepository') as SessionRepository
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);
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}
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async load(): Promise<void> {
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this.loading = true;
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this.error = '';
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try {
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const loggedIn = this.session.isLoggedIn();
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this.isGuest = !loggedIn;
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this.data = loggedIn ? await this.repository.observeHome() : await this.repository.observeGuestHome();
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} catch (err) {
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this.error = JSON.stringify(err);
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} finally {
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this.loading = false;
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}
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}
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}
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