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267
src/pages/artikel/marken.jsx
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267
src/pages/artikel/marken.jsx
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import { PureComponent } from 'react';
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import Box from '@mui/material/Box';
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import Button from '@mui/material/Button';
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import CircularProgress from '@mui/material/CircularProgress';
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import IconButton from '@mui/material/IconButton';
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import List from '@mui/material/List';
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import ListItem from '@mui/material/ListItem';
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import Typography from '@mui/material/Typography';
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import DeleteOutlinedIcon from '@mui/icons-material/DeleteOutlined';
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import CopyrightIcon from '@mui/icons-material/Copyright';
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import BackendError from '../../components/BackendError';
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import SingleLineTextEdit from 'dashgui/SingleLineTextEdit';
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import { PanelTile, PanelTileGrid } from 'dashgui/panels';
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import { backendErrorFrom } from '../../utils/backendError';
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import { notifyError } from '../../utils/notify';
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import { setLastArticleSku } from '../../automats';
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import brandAutomat from '../../automats/brandAutomat';
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import { enqueueSnackbar } from 'notistack';
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function draftsFrom(brands) {
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return Object.fromEntries(brands.map((b) => [b.id, b.name]));
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}
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class ArtikelMarkenPage extends PureComponent {
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constructor(props) {
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super(props);
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const initialBrands = brandAutomat.state.brands || [];
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this.state = {
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status: brandAutomat.state.status === 'succeeded' ? 'ready' : 'loading',
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error: brandAutomat.state.error ? backendErrorFrom({ message: brandAutomat.state.error }) : null,
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brands: initialBrands,
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drafts: draftsFrom(initialBrands),
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newName: '',
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busyKey: null,
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};
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this._cancelled = false;
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this.handleCreate = this.handleCreate.bind(this);
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this.handleRetry = this.handleRetry.bind(this);
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this.loadBrands = this.loadBrands.bind(this);
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}
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componentDidMount() {
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setLastArticleSku(null);
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this._cancelled = false;
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this.unsub = brandAutomat.subscribe((state) => {
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if (this._cancelled) return;
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if (state.status === 'succeeded') {
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this.applyBrands(state.brands);
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} else if (state.status === 'failed') {
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this.setState({ status: 'failed', error: backendErrorFrom({ message: state.error }) });
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}
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});
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if (brandAutomat.state.status !== 'succeeded') {
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void this.loadBrands();
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}
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}
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componentWillUnmount() {
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this._cancelled = true;
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this.unsub?.();
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}
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applyBrands(brands) {
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this.setState((prev) => {
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const currentDrafts = prev.drafts || {};
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const nextDrafts = { ...draftsFrom(brands) };
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for (const b of brands) {
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if (prev.busyKey !== b.id && currentDrafts[b.id] !== undefined) {
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nextDrafts[b.id] = currentDrafts[b.id];
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}
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}
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return {
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status: 'ready',
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error: null,
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brands,
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drafts: nextDrafts,
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};
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});
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}
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async loadBrands() {
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if (brandAutomat.state.status !== 'succeeded') {
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this.setState({ status: 'loading', error: null });
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}
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try {
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const list = await brandAutomat.actions.load();
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if (this._cancelled) return;
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this.applyBrands(list);
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} catch (err) {
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if (this._cancelled) return;
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this.setState({ status: 'failed', error: backendErrorFrom(err) });
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}
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}
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handleRetry() {
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void this.loadBrands();
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}
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async handleCreate() {
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const name = this.state.newName.trim();
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if (!name || this.state.busyKey != null) return;
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this.setState({ busyKey: 'new' });
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try {
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const row = await brandAutomat.actions.upsert({ name });
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if (this._cancelled) return;
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this.setState({ newName: '', busyKey: null });
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enqueueSnackbar(`Marke „${row.name || name}" angelegt.`, { variant: 'success' });
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} catch (err) {
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if (this._cancelled) return;
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notifyError(err);
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this.setState({ busyKey: null });
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}
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}
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async handleRename(brand) {
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const draft = String(this.state.drafts[brand.id] ?? '').trim();
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if (!draft) {
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this.setState((prev) => ({
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drafts: { ...prev.drafts, [brand.id]: brand.name },
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}));
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return;
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}
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if (draft === brand.name || this.state.busyKey != null) return;
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this.setState({ busyKey: brand.id });
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try {
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await brandAutomat.actions.upsert({ name: draft });
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if (this._cancelled) return;
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this.setState({ busyKey: null });
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enqueueSnackbar('Marke gespeichert.', { variant: 'success' });
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} catch (err) {
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if (this._cancelled) return;
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notifyError(err);
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this.setState((prev) => ({
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busyKey: null,
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drafts: { ...prev.drafts, [brand.id]: brand.name },
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}));
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}
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}
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async handleDelete(brand) {
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if (this.state.busyKey != null) return;
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if (!window.confirm(`Marke „${brand.name}" wirklich löschen?`)) return;
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this.setState({ busyKey: brand.id });
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try {
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await brandAutomat.actions.remove(brand.id);
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if (this._cancelled) return;
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this.setState({ busyKey: null });
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enqueueSnackbar('Marke gelöscht.', { variant: 'success' });
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} catch (err) {
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if (this._cancelled) return;
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notifyError(err);
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this.setState({ busyKey: null });
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}
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}
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render() {
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const { status, error, brands, drafts, newName, busyKey } = this.state;
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const busy = busyKey != null;
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if (status === 'loading') {
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return (
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<Box sx={{ display: 'flex', justifyContent: 'center', py: 6 }}>
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<CircularProgress />
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</Box>
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);
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}
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if (status === 'failed') {
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return <BackendError error={error} onRetry={this.handleRetry} />;
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}
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return (
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<PanelTileGrid>
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<PanelTile wide={2} minHeight={280} color="#ddd6fe">
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<Typography variant="body2" color="text.secondary" sx={{ mb: 2 }}>
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Marken der ausgewählten Firma.
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</Typography>
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<List dense disablePadding>
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{brands.length === 0 ? (
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<Typography variant="body2" color="text.secondary" sx={{ py: 1 }}>
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Noch keine Marken angelegt.
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</Typography>
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) : (
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brands.map((b) => (
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<ListItem
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key={b.id}
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disableGutters
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sx={{ gap: 1, py: 0.75, alignItems: 'center' }}
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>
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<CopyrightIcon sx={{ color: 'text.secondary', fontSize: 20, flexShrink: 0 }} />
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<SingleLineTextEdit
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size="small"
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label=""
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value={drafts[b.id] ?? ''}
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disabled={busy}
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onChange={(next) =>
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this.setState((prev) => ({
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drafts: { ...prev.drafts, [b.id]: next },
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}))
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}
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onBlur={() => void this.handleRename(b)}
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onKeyDown={(event) => {
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if (event.key === 'Enter') {
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event.preventDefault();
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event.target.blur();
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}
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if (event.key === 'Escape') {
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event.preventDefault();
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this.setState((prev) => ({
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drafts: { ...prev.drafts, [b.id]: b.name },
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}));
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event.target.blur();
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}
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}}
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sx={{ flex: 1 }}
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/>
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<IconButton
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edge="end"
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size="small"
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aria-label={`„${b.name}" löschen`}
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disabled={busy}
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onClick={() => void this.handleDelete(b)}
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>
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<DeleteOutlinedIcon fontSize="small" />
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</IconButton>
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</ListItem>
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))
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)}
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</List>
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<Box sx={{ display: 'flex', alignItems: 'center', gap: 1, mt: 2 }}>
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<SingleLineTextEdit
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size="small"
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label="Neue Marke"
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value={newName}
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disabled={busy}
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onChange={(next) => this.setState({ newName: next })}
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onKeyDown={(event) => {
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if (event.key === 'Enter') {
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event.preventDefault();
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void this.handleCreate();
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}
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}}
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sx={{ flex: 1 }}
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/>
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<Button
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variant="contained"
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size="small"
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disabled={busy || !newName.trim()}
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onClick={() => void this.handleCreate()}
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>
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{busyKey === 'new' ? '…' : 'Hinzufügen'}
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</Button>
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</Box>
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</PanelTile>
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</PanelTileGrid>
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);
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}
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}
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export default ArtikelMarkenPage;
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