no redux

src/automats/companyAutomat.js

@@ -0,0 +1,96 @@
+import { Automat } from 'react-automat';
+import { company as companyApi } from '../api';
+import authAutomat from './authAutomat';
+import { normalizeCompany } from '../utils/companyForm';
+
+/**
+ * @typedef {Object} CompanyState
+ * @property {object|null} current  Normalized company object for the selected company.
+ * @property {'idle'|'loading'|'succeeded'|'failed'} status
+ * @property {string|null} error
+ */
+
+/** @type {CompanyState} */
+const initialState = {
+  current: null,
+  status: 'idle',
+  error: null,
+};
+
+let companyAutomat;
+
+const actions = {
+  /**
+   * Load the company data for the currently selected company.
+   * @returns {Promise<object|null>}
+   */
+  async load() {
+    const companyId = authAutomat.state.user?.selectedCompanyId;
+    if (!companyId) return null;
+    companyAutomat.setState({ status: 'loading', error: null });
+    try {
+      const data = await companyApi.getById(companyId);
+      const normalized = normalizeCompany(data.company);
+      companyAutomat.setState({ current: normalized, status: 'succeeded' });
+      return normalized;
+    } catch (err) {
+      companyAutomat.setState({ status: 'failed', error: err?.message ?? String(err) });
+      throw err;
+    }
+  },
+
+  /**
+   * Update company details and refresh cached data.
+   * @param {object} payload
+   */
+  async update(payload) {
+    const companyId = authAutomat.state.user?.selectedCompanyId;
+    if (!companyId) throw new Error('Kein Unternehmen ausgewählt.');
+    companyAutomat.setState({ status: 'loading', error: null });
+    try {
+      await companyApi.update(companyId, payload);
+      const data = await companyApi.getById(companyId);
+      const normalized = normalizeCompany(data.company, payload);
+      companyAutomat.setState({ current: normalized, status: 'succeeded' });
+      return normalized;
+    } catch (err) {
+      companyAutomat.setState({ status: 'failed', error: err?.message ?? String(err) });
+      throw err;
+    }
+  },
+
+  /** Reset to idle (called on logout / company switch). */
+  reset() {
+    companyAutomat.setState(initialState);
+  },
+};
+
+/**
+ * Global company state container.
+ * Loads automatically when authAutomat reaches 'authed' with a selectedCompanyId.
+ *
+ * @type {Automat<CompanyState>}
+ */
+companyAutomat = new Automat(initialState, actions, { name: 'company' });
+
+// Subscribe to auth changes — load when authed, reset when logged out / anon
+authAutomat.subscribe((auth) => {
+  const companyId = auth.user?.selectedCompanyId;
+  if (auth.status === 'authed' && companyId) {
+    void companyAutomat.actions.load();
+  } else if (auth.status === 'anon') {
+    companyAutomat.actions.reset();
+  }
+});
+
+// Selectors (plain functions for use outside React)
+export const selectCurrentCompany = () => companyAutomat.state.current;
+export const selectCompanyId = () => companyAutomat.state.current?.id ?? null;
+export const selectCompanyStatus = () => companyAutomat.state.status;
+export const selectCompanyName = () => companyAutomat.state.current?.name;
+export const selectCompanyIso639 = () => companyAutomat.state.current?.iso639;
+export const selectCompanyTaxrate = () => companyAutomat.state.current?.taxrate ?? null;
+export const selectCompanyReducedTaxrate = () => companyAutomat.state.current?.reducedtaxrate ?? null;
+export const selectCompanyRootCategoryId = () => companyAutomat.state.current?.rootCategoryId ?? null;
+
+export default companyAutomat;