Show article history in a table via GET /article/{sku}/history.

src/api/ApiClient.js

@@ -106,8 +106,21 @@ export class ApiClient {
       exportZip: (query = {}) => this.#blob('GET', '/api/article/export.zip', { query }),
       /** GET /api/article/{sku} */
       get: (sku) => this.#json('GET', `/api/article/${enc(sku)}`),
-      /** PATCH /api/article/{sku} */
-      update: (sku, body) => this.#json('PATCH', `/api/article/${enc(sku)}`, { body }),
+      /** GET /api/article/{sku}/history → { history: [{ id, date, text }, ...] } */
+      history: (sku) => this.#json('GET', `/api/article/${enc(sku)}/history`),
+      /** PATCH /api/article/{sku} — body: at least one of { name, unitamount, unitSi } */
+      update: async (sku, body) => {
+        const nameChange = body != null && Object.hasOwn(body, 'name');
+        if (nameChange) {
+          this.setArticleIndexName(sku, body.name);
+        }
+        try {
+          return await this.#json('PATCH', `/api/article/${enc(sku)}`, { body });
+        } catch (err) {
+          if (nameChange) this.clearArticleIndex();
+          throw err;
+        }
+      },
       /** DELETE /api/article/{sku} */
       delete: (sku) => this.#empty('DELETE', `/api/article/${enc(sku)}`),
       /** PUT /api/article/{sku}/prices */

src/api/StorageManager.js

@@ -4,16 +4,25 @@ import { ApiClient } from './ApiClient';
 /**
  * Stale-while-revalidate cache: readers keep the current promise; update()
  * swaps only after a successful reload. Failed updates leave the cache intact.
+ * replace() writes local data without a round-trip.
  */
 function createCache(label, load) {
-  let promise = load().catch((err) => {
-    console.error(`[storageMgr] ${label} failed`, err);
-    throw err;
-  });
+  /** Settled value, or `undefined` if not loaded yet / last load failed. */
+  let current;
+  let promise = load()
+    .then((data) => {
+      current = data;
+      return data;
+    })
+    .catch((err) => {
+      console.error(`[storageMgr] ${label} failed`, err);
+      throw err;
+    });
 
   async function update() {
     try {
       const data = await load();
+      current = data;
       promise = Promise.resolve(data);
       return data;
     } catch (err) {
@@ -22,11 +31,36 @@ function createCache(label, load) {
     }
   }
 
+  function replace(data) {
+    current = data;
+    promise = Promise.resolve(data);
+    return data;
+  }
+
+  function clear() {
+    current = undefined;
+    promise = load()
+      .then((data) => {
+        current = data;
+        return data;
+      })
+      .catch((err) => {
+        console.error(`[storageMgr] ${label} failed`, err);
+        throw err;
+      });
+  }
+
   return {
     update,
+    replace,
+    clear,
     get promise() {
       return promise;
     },
+    /** Loaded value, or `undefined` if the initial load has not settled successfully. */
+    get value() {
+      return current;
+    },
   };
 }
 
@@ -36,15 +70,33 @@ function createCache(label, load) {
 export class StorageManager extends ApiClient {
   /** @type {EventSource | null} */
   #events = null;
+  /** @type {ReturnType<typeof createCache> | null} */
+  #articleIndexCache = null;
 
   constructor(baseUrl = window.location.origin) {
     super(baseUrl);
     this.#initCaches();
   }
 
+  /** Patch local articleIndex name if already loaded; no-op otherwise. */
+  setArticleIndexName(sku, name) {
+    const articles = this.#articleIndexCache.value;
+    if (!articles) return;
+    this.#articleIndexCache.replace(
+      articles.map((a) => (String(a.sku) === String(sku) ? { ...a, name } : a)),
+    );
+  }
+
+  /** Drop local articleIndex if loaded (forces reload on next read). */
+  clearArticleIndex() {
+    if (!this.#articleIndexCache.value) return;
+    this.#articleIndexCache.clear();
+  }
+
   #initCaches() {
     const authMeCache = createCache('GET /auth/me', () => this.#loadAuthMe());
-    const articleIndexCache = createCache('GET /articleIndex', () => this.#loadArticleIndex());
+    this.#articleIndexCache = createCache('GET /articleIndex', () => this.#loadArticleIndex());
+    const articleIndexCache = this.#articleIndexCache;
     const brandCache = createCache('GET /brand', () => this.#loadBrands());
     const unitCache = createCache('GET /unit', () => this.#loadUnits());
     const companyCache = createCache('GET /company', () => this.#loadCompanies());
@@ -87,12 +139,12 @@ export class StorageManager extends ApiClient {
     const es = new EventSource(this.urlFor('/api/events'), { withCredentials: true });
     es.addEventListener('category', () => {
       void this.updateCategoryTree().catch((err) => {
-        console.error('[storageMgr] category event refresh failed', err);
+        console.error('[storageMgr] category SSE refresh failed', err);
       });
     });
     es.addEventListener('articles', () => {
       void this.updateArticleIndex().catch((err) => {
-        console.error('[storageMgr] articles event refresh failed', err);
+        console.error('[storageMgr] articles SSE refresh failed', err);
       });
     });
     es.onerror = () => {

src/components/article/ArticleTileTab.jsx

@@ -1,20 +1,16 @@
 import { Component } from 'react';
 import Box from '@mui/material/Box';
-import Button from '@mui/material/Button';
 import IconButton from '@mui/material/IconButton';
 import Tab from '@mui/material/Tab';
 import Tabs from '@mui/material/Tabs';
-import Typography from '@mui/material/Typography';
 import AccountTreeIcon from '@mui/icons-material/AccountTree';
 import CategoryIcon from '@mui/icons-material/Category';
-import DeleteIcon from '@mui/icons-material/Delete';
 import HistoryIcon from '@mui/icons-material/History';
 import LabelIcon from '@mui/icons-material/Label';
 import LocalShippingIcon from '@mui/icons-material/LocalShipping';
 import ManageSearchIcon from '@mui/icons-material/ManageSearch';
 import PushPinIcon from '@mui/icons-material/PushPin';
 import SettingsIcon from '@mui/icons-material/Settings';
-import { StorageManagerContext } from '../../api/storageManagerContext';
 import {
   ARTICLE_TAB,
   DEFAULT_ARTICLE_TAB,
@@ -22,9 +18,15 @@ import {
   readPreferredArticleTab,
   writePreferredArticleTab,
 } from '../../pages/artikel/articleRoute';
-import { notifyError } from '../../utils/notify';
 import { PanelTile } from '../panels';
 import { PANEL_TILE_BORDER_RADIUS, responsiveColumnSpan } from '../panels/panelTileLayout';
+import ArticleAttributesTab from './tabs/ArticleAttributesTab';
+import ArticleCompoundTab from './tabs/ArticleCompoundTab';
+import ArticleHistoryTab from './tabs/ArticleHistoryTab';
+import ArticleLabelTab from './tabs/ArticleLabelTab';
+import ArticleSeoTab from './tabs/ArticleSeoTab';
+import ArticleSettingsTab from './tabs/ArticleSettingsTab';
+import ArticleSupplierTab from './tabs/ArticleSupplierTab';
 
 const ALWAYS_TABS = [
   { id: ARTICLE_TAB.history, label: 'History', color: '#fed7aa', Icon: HistoryIcon },
@@ -67,42 +69,14 @@ function visibleTabs(article) {
   return tabs;
 }
 
-function PanelValue({ label, children }) {
-  if (children == null || children === '') return null;
-  return (
-    <Box sx={{ mb: 1 }}>
-      {label ? (
-        <Typography variant="caption" color="text.secondary" display="block">
-          {label}
-        </Typography>
-      ) : null}
-      <Typography variant="body2" component="div">
-        {children}
-      </Typography>
-    </Box>
-  );
-}
-
-function Placeholder({ label }) {
-  return (
-    <Typography variant="body2" color="text.secondary">
-      {label}
-    </Typography>
-  );
-}
-
 class ArticleTileTab extends Component {
-  static contextType = StorageManagerContext;
-
   constructor(props) {
     super(props);
     this.state = {
-      busy: false,
       preferredTab: readPreferredArticleTab(),
     };
     this.handleTabChange = this.handleTabChange.bind(this);
     this.handlePinDefault = this.handlePinDefault.bind(this);
-    this.handleDeleteArticle = this.handleDeleteArticle.bind(this);
   }
 
   handleTabChange(_event, tab) {
@@ -116,69 +90,28 @@ class ArticleTileTab extends Component {
     this.setState({ preferredTab: tab });
   }
 
-  async handleDeleteArticle() {
-    const { article: articleData, onArticleDeleted } = this.props;
-    if (this.state.busy) return;
-    if (!window.confirm(`Artikel „${articleData.name ?? articleData.sku}“ wirklich löschen?`)) {
-      return;
-    }
-
-    this.setState({ busy: true });
-    try {
-      await this.context.article.delete(articleData.sku);
-      onArticleDeleted?.(articleData);
-    } catch (err) {
-      notifyError(err);
-      this.setState({ busy: false });
-    }
-  }
-
-  renderSeo() {
-    const { article: articleData } = this.props;
-    return (
-      <>
-        <PanelValue label="Slug">{articleData.slug}</PanelValue>
-        <PanelValue label="SEO-Titel">{articleData.seoTitle}</PanelValue>
-        <PanelValue label="SEO-Beschreibung">{articleData.seoDescription}</PanelValue>
-        <PanelValue label="Beschreibung">{articleData.description}</PanelValue>
-      </>
-    );
-  }
-
-  renderSettings() {
-    const { busy } = this.state;
-    return (
-      <Box>
-        <Button
-          type="button"
-          color="error"
-          variant="contained"
-          startIcon={<DeleteIcon />}
-          disabled={busy}
-          onClick={() => void this.handleDeleteArticle()}
-        >
-          Artikel löschen
-        </Button>
-      </Box>
-    );
-  }
-
   renderPanel() {
+    const { article: articleData, onArticleDeleted } = this.props;
     switch (this.props.tab) {
       case ARTICLE_TAB.history:
-        return <Placeholder label="History" />;
+        return <ArticleHistoryTab sku={articleData.sku} />;
       case ARTICLE_TAB.supplier:
-        return <Placeholder label="Supplier" />;
+        return <ArticleSupplierTab />;
       case ARTICLE_TAB.seo:
-        return this.renderSeo();
+        return <ArticleSeoTab article={articleData} />;
       case ARTICLE_TAB.label:
-        return <Placeholder label="Label" />;
+        return <ArticleLabelTab />;
       case ARTICLE_TAB.attributes:
-        return <Placeholder label="Attribute und Merkmale" />;
+        return <ArticleAttributesTab />;
       case ARTICLE_TAB.compound:
-        return <Placeholder label="Compound Editor" />;
+        return <ArticleCompoundTab />;
       case ARTICLE_TAB.settings:
-        return this.renderSettings();
+        return (
+          <ArticleSettingsTab
+            article={articleData}
+            onArticleDeleted={onArticleDeleted}
+          />
+        );
       default:
         return null;
     }

src/components/article/tabs/ArticleAttributesTab.jsx

@@ -0,0 +1,12 @@
+import { Component } from 'react';
+import Typography from '@mui/material/Typography';
+
+export default class ArticleAttributesTab extends Component {
+  render() {
+    return (
+      <Typography variant="body2" color="text.secondary">
+        Attribute und Merkmale
+      </Typography>
+    );
+  }
+}

src/components/article/tabs/ArticleCompoundTab.jsx

@@ -0,0 +1,12 @@
+import { Component } from 'react';
+import Typography from '@mui/material/Typography';
+
+export default class ArticleCompoundTab extends Component {
+  render() {
+    return (
+      <Typography variant="body2" color="text.secondary">
+        Compound Editor
+      </Typography>
+    );
+  }
+}

src/components/article/tabs/ArticleHistoryTab.jsx

@@ -0,0 +1,71 @@
+import { Component } from 'react';
+import Table from '@mui/material/Table';
+import TableBody from '@mui/material/TableBody';
+import TableCell from '@mui/material/TableCell';
+import TableHead from '@mui/material/TableHead';
+import TableRow from '@mui/material/TableRow';
+import { StorageManagerContext } from '../../../api/storageManagerContext';
+import { notifyError } from '../../../utils/notify';
+
+function formatDate(iso) {
+  return new Date(iso).toLocaleString('de-DE');
+}
+
+export default class ArticleHistoryTab extends Component {
+  static contextType = StorageManagerContext;
+
+  constructor(props) {
+    super(props);
+    this.state = { history: null };
+  }
+
+  componentDidMount() {
+    void this.context.article
+      .history(this.props.sku)
+      .then((res) => this.setState({ history: res.history }))
+      .catch(notifyError);
+  }
+
+  render() {
+    const { history } = this.state;
+    if (history == null) return null;
+    return (
+      <Table
+        size="small"
+        sx={{
+          '& td': { borderBottom: 'none', bgcolor: 'transparent' },
+          '& th': { bgcolor: 'transparent' },
+        }}
+      >
+        <TableHead>
+          <TableRow>
+            <TableCell
+              sx={{
+                borderBottom: '1px solid rgba(0, 0, 0, 0.35)',
+                width: '1%',
+                whiteSpace: 'nowrap',
+              }}
+            >
+              Datum
+            </TableCell>
+            <TableCell
+              sx={{ borderBottom: '1px solid rgba(0, 0, 0, 0.35)' }}
+            />
+          </TableRow>
+        </TableHead>
+        <TableBody>
+          {history.map((entry) => (
+            <TableRow key={entry.id}>
+              <TableCell
+                sx={{ verticalAlign: 'top', whiteSpace: 'nowrap', width: '1%' }}
+              >
+                {formatDate(entry.date)}
+              </TableCell>
+              <TableCell sx={{ whiteSpace: 'pre-wrap' }}>{entry.text}</TableCell>
+            </TableRow>
+          ))}
+        </TableBody>
+      </Table>
+    );
+  }
+}

src/components/article/tabs/ArticleLabelTab.jsx

@@ -0,0 +1,12 @@
+import { Component } from 'react';
+import Typography from '@mui/material/Typography';
+
+export default class ArticleLabelTab extends Component {
+  render() {
+    return (
+      <Typography variant="body2" color="text.secondary">
+        Label
+      </Typography>
+    );
+  }
+}

src/components/article/tabs/ArticleSeoTab.jsx

@@ -0,0 +1,33 @@
+import { Component } from 'react';
+import Box from '@mui/material/Box';
+import Typography from '@mui/material/Typography';
+
+function PanelValue({ label, children }) {
+  if (children == null || children === '') return null;
+  return (
+    <Box sx={{ mb: 1 }}>
+      {label ? (
+        <Typography variant="caption" color="text.secondary" display="block">
+          {label}
+        </Typography>
+      ) : null}
+      <Typography variant="body2" component="div">
+        {children}
+      </Typography>
+    </Box>
+  );
+}
+
+export default class ArticleSeoTab extends Component {
+  render() {
+    const { article: articleData } = this.props;
+    return (
+      <>
+        <PanelValue label="Slug">{articleData.slug}</PanelValue>
+        <PanelValue label="SEO-Titel">{articleData.seoTitle}</PanelValue>
+        <PanelValue label="SEO-Beschreibung">{articleData.seoDescription}</PanelValue>
+        <PanelValue label="Beschreibung">{articleData.description}</PanelValue>
+      </>
+    );
+  }
+}

src/components/article/tabs/ArticleSettingsTab.jsx

@@ -0,0 +1,51 @@
+import { Component } from 'react';
+import Box from '@mui/material/Box';
+import Button from '@mui/material/Button';
+import DeleteIcon from '@mui/icons-material/Delete';
+import { StorageManagerContext } from '../../../api/storageManagerContext';
+import { notifyError } from '../../../utils/notify';
+
+export default class ArticleSettingsTab extends Component {
+  static contextType = StorageManagerContext;
+
+  constructor(props) {
+    super(props);
+    this.state = { busy: false };
+    this.handleDeleteArticle = this.handleDeleteArticle.bind(this);
+  }
+
+  async handleDeleteArticle() {
+    const { article: articleData, onArticleDeleted } = this.props;
+    if (this.state.busy) return;
+    if (!window.confirm(`Artikel „${articleData.name ?? articleData.sku}“ wirklich löschen?`)) {
+      return;
+    }
+
+    this.setState({ busy: true });
+    try {
+      await this.context.article.delete(articleData.sku);
+      onArticleDeleted?.(articleData);
+    } catch (err) {
+      notifyError(err);
+      this.setState({ busy: false });
+    }
+  }
+
+  render() {
+    const { busy } = this.state;
+    return (
+      <Box>
+        <Button
+          type="button"
+          color="error"
+          variant="contained"
+          startIcon={<DeleteIcon />}
+          disabled={busy}
+          onClick={() => void this.handleDeleteArticle()}
+        >
+          Artikel löschen
+        </Button>
+      </Box>
+    );
+  }
+}

src/components/article/tabs/ArticleSupplierTab.jsx

@@ -0,0 +1,12 @@
+import { Component } from 'react';
+import Typography from '@mui/material/Typography';
+
+export default class ArticleSupplierTab extends Component {
+  render() {
+    return (
+      <Typography variant="body2" color="text.secondary">
+        Supplier
+      </Typography>
+    );
+  }
+}