119 lines
3.2 KiB
JavaScript
119 lines
3.2 KiB
JavaScript
import { Component } from 'react';
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import Box from '@mui/material/Box';
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import CircularProgress from '@mui/material/CircularProgress';
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import { StorageManagerContext } from '../../api/storageManagerContext';
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import BackendError from '../../components/BackendError';
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import { ArticleView } from '../../components/article';
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import {
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artikelAutomat,
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createArticleSelector,
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getArticle,
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setLastArticleSku,
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} from '../../automats';
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import withSkuRoute from '../../components/article/withSkuRoute';
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/** Full-screen loading state while the shared article cache resolves. */
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function ArticleLoading() {
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return (
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<Box sx={{ display: 'flex', justifyContent: 'center', py: 8 }}>
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<CircularProgress size={32} />
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</Box>
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);
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}
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class ArtikelSkuPage extends Component {
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static contextType = StorageManagerContext;
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constructor(props, context) {
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super(props, context);
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this.state = {
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article: getArticle(props.sku),
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ready: context.getCategoryState() != null,
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error: null,
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};
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}
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componentDidMount() {
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this._mounted = true;
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this.installEscape();
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setLastArticleSku(this.props.sku);
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this.unsub = artikelAutomat.subscribe(this, (state) => ({
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article: createArticleSelector(this.props.sku)(state),
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}));
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void this.ensureArticle();
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}
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componentDidUpdate(prevProps) {
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if (prevProps.sku !== this.props.sku) {
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setLastArticleSku(this.props.sku);
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this.setState({ article: getArticle(this.props.sku), error: null });
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this.unsub?.();
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this.unsub = artikelAutomat.subscribe(this, (state) => ({
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article: createArticleSelector(this.props.sku)(state),
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}));
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void this.ensureArticle();
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}
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}
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componentWillUnmount() {
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this._mounted = false;
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this.removeEscape();
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this.unsub?.();
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this.unsub = null;
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}
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/**
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* Delegates the article fetch to the shared artikelAutomat cache; also waits
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* for the category tree/company/session the view tiles depend on.
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*/
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async ensureArticle() {
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const sku = this.props.sku;
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if (!sku) return;
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try {
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await Promise.all([
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artikelAutomat.actions.loadArticle(sku),
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this.context.categoryTreePromise,
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this.context.companyPromise,
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this.context.authMePromise,
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]);
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if (this._mounted) this.setState({ ready: true });
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} catch (error) {
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if (this._mounted) this.setState({ error });
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}
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}
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handleRetry = () => {
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this.setState({ error: null });
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void this.ensureArticle();
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};
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installEscape() {
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this._onKeyDown = (e) => {
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if (e.key !== 'Escape') return;
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e.preventDefault();
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this.props.navigate(-1);
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};
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document.addEventListener('keydown', this._onKeyDown);
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}
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removeEscape() {
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if (this._onKeyDown) {
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document.removeEventListener('keydown', this._onKeyDown);
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this._onKeyDown = null;
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}
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}
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render() {
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const { sku } = this.props;
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const { article, ready, error } = this.state;
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if (error) {
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return <BackendError error={error} sx={{ mt: 2 }} onRetry={this.handleRetry} />;
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}
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if (!article || !ready) return <ArticleLoading />;
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return <ArticleView sku={sku} />;
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}
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}
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export default withSkuRoute(ArtikelSkuPage);
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