refactoring

src/App.js

@@ -10,6 +10,7 @@ import useNotificationSettings from './hooks/useNotificationSettings';
 import useConfigManager from './hooks/useConfigManager';
 import useStoreSync from './hooks/useStoreSync';
 import useDirtyNavigationGuard from './hooks/useDirtyNavigationGuard';
+import useSessionManager from './hooks/useSessionManager';
 import NavigationTabs from './components/NavigationTabs';
 import LoginView from './components/LoginView';
 import DashboardView from './components/DashboardView';
@@ -20,10 +21,7 @@ import ConfirmationDialog from './components/ConfirmationDialog';
 import StoreSyncOverlay from './components/StoreSyncOverlay';
 import RangePickerModal from './components/RangePickerModal';
 
-const TOKEN_STORAGE_KEY = 'pickupConfigToken';
-
 function App() {
-  const [session, setSession] = useState(null);
   const [credentials, setCredentials] = useState({ email: '', password: '' });
   const [stores, setStores] = useState([]);
   const [loading, setLoading] = useState(false);
@@ -40,6 +38,10 @@ function App() {
   const minSelectableDate = useMemo(() => startOfDay(new Date()), []);
 
   const weekdays = ['Montag', 'Dienstag', 'Mittwoch', 'Donnerstag', 'Freitag', 'Samstag', 'Sonntag'];
+  const unauthorizedResetRef = useRef(() => {});
+  const notifyUnauthorized = useCallback(() => {
+    unauthorizedResetRef.current?.();
+  }, []);
 
   const normalizeConfigEntries = useCallback((entries) => {
     if (!Array.isArray(entries)) {
@@ -117,27 +119,21 @@ function App() {
     };
   }, []);
 
-  const handleUnauthorizedRef = useRef(() => {});
-
-  const authorizedFetch = useCallback(
-    async (url, options = {}, tokenOverride) => {
-      const activeToken = tokenOverride || session?.token;
-      if (!activeToken) {
-        throw new Error('Keine aktive Session');
-      }
-      const headers = {
-        Authorization: `Bearer ${activeToken}`,
-        ...(options.headers || {})
-      };
-      const response = await fetch(url, { ...options, headers });
-      if (response.status === 401) {
-        handleUnauthorizedRef.current();
-        throw new Error('Nicht autorisiert');
-      }
-      return response;
-    },
-    [session?.token]
-  );
+  const {
+    session,
+    authorizedFetch,
+    bootstrapSession,
+    performLogout,
+    handleUnauthorized,
+    storeToken,
+    getStoredToken
+  } = useSessionManager({
+    normalizeConfigEntries,
+    normalizeAdminSettings,
+    onUnauthorized: notifyUnauthorized,
+    setError,
+    setLoading
+  });
 
   const {
     config,
@@ -185,8 +181,20 @@ function App() {
     onDiscard: () => setIsDirty(false)
   });
 
+  const applyBootstrapResult = useCallback(
+    (result = {}) => {
+      if (!result) {
+        return {};
+      }
+      setStores(Array.isArray(result.stores) ? result.stores : []);
+      setAdminSettings(result.adminSettings ?? null);
+      setConfig(Array.isArray(result.config) ? result.config : []);
+      return result;
+    },
+    [setStores, setAdminSettings, setConfig]
+  );
+
   const resetSessionState = useCallback(() => {
-    setSession(null);
     setConfig([]);
     setStores([]);
     setStatus('');
@@ -195,73 +203,20 @@ function App() {
     setAdminSettingsLoading(false);
     setAvailableCollapsed(true);
     setInitializing(false);
-  }, [setConfig]);
-
-  const handleUnauthorized = useCallback(() => {
-    resetSessionState();
-    try {
-      localStorage.removeItem(TOKEN_STORAGE_KEY);
-    } catch (storageError) {
-      console.warn('Konnte Token nicht aus dem Speicher entfernen:', storageError);
-    }
-  }, [resetSessionState]);
+  }, [
+    setConfig,
+    setStores,
+    setStatus,
+    setError,
+    setAdminSettings,
+    setAdminSettingsLoading,
+    setAvailableCollapsed,
+    setInitializing
+  ]);
 
   useEffect(() => {
-    handleUnauthorizedRef.current = handleUnauthorized;
-  }, [handleUnauthorized]);
-
-  const bootstrapSession = useCallback(
-    async (token, { progress } = {}) => {
-      if (!token) {
-        return {};
-      }
-      setLoading(true);
-      setError('');
-      progress?.update?.('Session wird aufgebaut...', 20);
-      try {
-        const response = await fetch('/api/auth/session', {
-          headers: { Authorization: `Bearer ${token}` }
-        });
-        if (response.status === 401) {
-          handleUnauthorized();
-          return;
-        }
-        if (!response.ok) {
-          throw new Error(`HTTP ${response.status}`);
-        }
-        const data = await response.json();
-        setSession({ token, profile: data.profile, isAdmin: data.isAdmin });
-        progress?.update?.('Betriebe werden geprüft...', 45);
-        setStores(Array.isArray(data.stores) ? data.stores : []);
-        setAdminSettings(data.isAdmin ? normalizeAdminSettings(data.adminSettings) : null);
-
-        const configResponse = await fetch('/api/config', {
-          headers: { Authorization: `Bearer ${token}` }
-        });
-        if (configResponse.status === 401) {
-          handleUnauthorized();
-          return;
-        }
-        if (!configResponse.ok) {
-          throw new Error(`HTTP ${configResponse.status}`);
-        }
-        const configData = await configResponse.json();
-        progress?.update?.('Konfiguration wird geladen...', 75);
-        setConfig(normalizeConfigEntries(Array.isArray(configData) ? configData : []));
-        progress?.update?.('Synchronisierung abgeschlossen', 95);
-        return {
-          storeRefreshJob: data.storeRefreshJob,
-          storesFresh: data.storesFresh
-        };
-      } catch (err) {
-        setError(`Session konnte nicht wiederhergestellt werden: ${err.message}`);
-      } finally {
-        setLoading(false);
-      }
-      return {};
-    },
-    [handleUnauthorized, normalizeAdminSettings, normalizeConfigEntries, setConfig]
-  );
+    unauthorizedResetRef.current = resetSessionState;
+  }, [resetSessionState]);
 
   const {
     notificationSettings,
@@ -339,14 +294,12 @@ function App() {
       }
 
       const data = await response.json();
-      try {
-        localStorage.setItem(TOKEN_STORAGE_KEY, data.token);
-      } catch (storageError) {
-        console.warn('Konnte Token nicht speichern:', storageError);
-      }
+      storeToken(data.token);
       clearInterval(ticker);
       updateSyncProgress('Zugang bestätigt. Session wird aufgebaut...', 45);
-      const bootstrapResult = await bootstrapSession(data.token, { progress: { update: updateSyncProgress } });
+      const bootstrapResult = applyBootstrapResult(
+        await bootstrapSession(data.token, { progress: { update: updateSyncProgress } })
+      );
       const needsStoreSync = !bootstrapResult?.storesFresh || !!bootstrapResult?.storeRefreshJob;
       if (needsStoreSync) {
         await syncStoresWithProgress({
@@ -370,20 +323,6 @@ function App() {
     }
   };
 
-  const performLogout = useCallback(async () => {
-    if (!session?.token) {
-      handleUnauthorized();
-      return;
-    }
-    try {
-      await authorizedFetch('/api/auth/logout', { method: 'POST' });
-    } catch (err) {
-      console.warn('Logout fehlgeschlagen:', err);
-    } finally {
-      handleUnauthorized();
-    }
-  }, [session?.token, authorizedFetch, handleUnauthorized]);
-
   const handleLogout = () => {
     requestNavigation('dich abzumelden', performLogout);
   };
@@ -417,12 +356,7 @@ function App() {
     let ticker;
     let cancelled = false;
     (async () => {
-      let storedToken = null;
-      try {
-        storedToken = localStorage.getItem(TOKEN_STORAGE_KEY);
-      } catch (err) {
-        console.warn('Konnte gespeicherten Token nicht lesen:', err);
-      }
+      const storedToken = getStoredToken();
       if (!storedToken) {
         return;
       }
@@ -430,7 +364,9 @@ function App() {
       try {
         startSyncProgress('Session wird wiederhergestellt...', 5, true);
         ticker = setInterval(() => nudgeSyncProgress('Session wird wiederhergestellt...', 1, 40), 1000);
-        const result = await bootstrapSession(storedToken, { progress: { update: updateSyncProgress } });
+        const result = applyBootstrapResult(
+          await bootstrapSession(storedToken, { progress: { update: updateSyncProgress } })
+        );
         if (ticker) {
           clearInterval(ticker);
           ticker = null;
@@ -462,12 +398,14 @@ function App() {
       }
     };
   }, [
+    applyBootstrapResult,
     bootstrapSession,
-    startSyncProgress,
-    updateSyncProgress,
     finishSyncProgress,
+    getStoredToken,
     nudgeSyncProgress,
-    syncStoresWithProgress
+    startSyncProgress,
+    syncStoresWithProgress,
+    updateSyncProgress
   ]);
 
   useEffect(() => {

src/hooks/useSessionManager.js

@@ -0,0 +1,158 @@
+import { useCallback, useEffect, useRef, useState } from 'react';
+
+const TOKEN_STORAGE_KEY = 'pickupConfigToken';
+
+const useSessionManager = ({
+  normalizeConfigEntries,
+  normalizeAdminSettings,
+  onUnauthorized,
+  setError,
+  setLoading
+}) => {
+  const [session, setSession] = useState(null);
+  const unauthorizedRef = useRef(onUnauthorized || (() => {}));
+
+  useEffect(() => {
+    unauthorizedRef.current = onUnauthorized || (() => {});
+  }, [onUnauthorized]);
+
+  const handleUnauthorized = useCallback(() => {
+    setSession(null);
+    try {
+      localStorage.removeItem(TOKEN_STORAGE_KEY);
+    } catch (storageError) {
+      console.warn('Konnte Token nicht aus dem Speicher entfernen:', storageError);
+    }
+    unauthorizedRef.current();
+  }, []);
+
+  const handleUnauthorizedRef = useRef(() => {});
+  useEffect(() => {
+    handleUnauthorizedRef.current = handleUnauthorized;
+  }, [handleUnauthorized]);
+
+  const authorizedFetch = useCallback(
+    async (url, options = {}, tokenOverride) => {
+      const activeToken = tokenOverride || session?.token;
+      if (!activeToken) {
+        throw new Error('Keine aktive Session');
+      }
+      const headers = {
+        Authorization: `Bearer ${activeToken}`,
+        ...(options.headers || {})
+      };
+      const response = await fetch(url, { ...options, headers });
+      if (response.status === 401) {
+        handleUnauthorizedRef.current();
+        throw new Error('Nicht autorisiert');
+      }
+      return response;
+    },
+    [session?.token]
+  );
+
+  const storeToken = useCallback((token) => {
+    if (!token) {
+      return;
+    }
+    try {
+      localStorage.setItem(TOKEN_STORAGE_KEY, token);
+    } catch (storageError) {
+      console.warn('Konnte Token nicht speichern:', storageError);
+    }
+  }, []);
+
+  const getStoredToken = useCallback(() => {
+    try {
+      return localStorage.getItem(TOKEN_STORAGE_KEY);
+    } catch (storageError) {
+      console.warn('Konnte gespeicherten Token nicht lesen:', storageError);
+      return null;
+    }
+  }, []);
+
+  const bootstrapSession = useCallback(
+    async (token, { progress } = {}) => {
+      if (!token) {
+        return {};
+      }
+      setLoading(true);
+      setError('');
+      progress?.update?.('Session wird aufgebaut...', 20);
+      try {
+        const response = await fetch('/api/auth/session', {
+          headers: { Authorization: `Bearer ${token}` }
+        });
+        if (response.status === 401) {
+          handleUnauthorized();
+          return {};
+        }
+        if (!response.ok) {
+          throw new Error(`HTTP ${response.status}`);
+        }
+        const data = await response.json();
+        const sessionData = { token, profile: data.profile, isAdmin: data.isAdmin };
+        setSession(sessionData);
+        progress?.update?.('Betriebe werden geprüft...', 45);
+        const stores = Array.isArray(data.stores) ? data.stores : [];
+        const adminSettings = data.isAdmin ? normalizeAdminSettings(data.adminSettings) : null;
+
+        const configResponse = await fetch('/api/config', {
+          headers: { Authorization: `Bearer ${token}` }
+        });
+        if (configResponse.status === 401) {
+          handleUnauthorized();
+          return {};
+        }
+        if (!configResponse.ok) {
+          throw new Error(`HTTP ${configResponse.status}`);
+        }
+        const configData = await configResponse.json();
+        progress?.update?.('Konfiguration wird geladen...', 75);
+        const config = normalizeConfigEntries(Array.isArray(configData) ? configData : []);
+        progress?.update?.('Synchronisierung abgeschlossen', 95);
+
+        return {
+          session: sessionData,
+          stores,
+          adminSettings,
+          config,
+          storeRefreshJob: data.storeRefreshJob,
+          storesFresh: data.storesFresh
+        };
+      } catch (error) {
+        setError(`Session konnte nicht wiederhergestellt werden: ${error.message}`);
+        return {};
+      } finally {
+        setLoading(false);
+      }
+    },
+    [normalizeAdminSettings, normalizeConfigEntries, handleUnauthorized, setError, setLoading]
+  );
+
+  const performLogout = useCallback(async () => {
+    if (!session?.token) {
+      handleUnauthorized();
+      return;
+    }
+    try {
+      await authorizedFetch('/api/auth/logout', { method: 'POST' });
+    } catch (err) {
+      console.warn('Logout fehlgeschlagen:', err);
+    } finally {
+      handleUnauthorized();
+    }
+  }, [session?.token, authorizedFetch, handleUnauthorized]);
+
+  return {
+    session,
+    authorizedFetch,
+    bootstrapSession,
+    performLogout,
+    handleUnauthorized,
+    storeToken,
+    getStoredToken
+  };
+};
+
+export default useSessionManager;