OrganizationPage hinzugefügt, UsersPage fix

src/App.jsx

@@ -8,6 +8,7 @@ import RegisterPage from './pages/RegisterPage';
 import UsersPage from './pages/UsersPage';
 import PostsPage from './pages/PostsPage';
 import CreateNewsPage from './pages/CreateNewsPage';
+import OrganizationPage from './pages/OrganizationPage';
 import PushPage from './pages/PushPage';
 
 const theme = createTheme({
@@ -68,6 +69,14 @@ export default function App() {
                   </PrivateRoute>
                 }
               />
+              <Route
+                path="organizations"
+                element={
+                  <PrivateRoute allowedRoles={['ADMIN', 'REPORTER']}>
+                    <OrganizationPage />
+                  </PrivateRoute>
+                }
+              />
               <Route
                 path="posts/create"
                 element={

src/components/Layout.jsx

@@ -7,6 +7,7 @@ import {
 import PeopleIcon from '@mui/icons-material/People';
 import ArticleIcon from '@mui/icons-material/Article';
 import NotificationsActiveIcon from '@mui/icons-material/NotificationsActive';
+import CorporateFareIcon from '@mui/icons-material/CorporateFare';
 import LogoutIcon from '@mui/icons-material/Logout';
 import DashboardIcon from '@mui/icons-material/Dashboard';
 import { useAuth } from '../context/AuthContext';
@@ -17,6 +18,7 @@ const navItems = [
   { label: 'Users', path: '/users', icon: <PeopleIcon />, roles: ['ADMIN'] },
   { label: 'Posts', path: '/posts', icon: <ArticleIcon />, roles: ['ADMIN', 'REPORTER'] },
   { label: 'Push', path: '/push', icon: <NotificationsActiveIcon />, roles: ['ADMIN'] },
+  { label: 'Organization', path: '/organizations', icon: <CorporateFareIcon />, roles: ['ADMIN', 'REPORTER'] },
 ];
 
 export default function Layout() {

src/pages/OrganizationPage.jsx

@@ -0,0 +1,201 @@
+import { useEffect, useState } from 'react';
+import {
+    Box, Typography, Alert, IconButton, Tooltip,
+    Dialog, DialogTitle, DialogContent, DialogActions,
+    Button, Stack, TextField, CircularProgress
+} from '@mui/material';
+import { DataGrid } from '@mui/x-data-grid';
+import DeleteOutlineIcon from '@mui/icons-material/DeleteOutline';
+import AddIcon from '@mui/icons-material/Add';
+import { Chip } from '@mui/material';
+import axiosInstance from '../api/axiosInstance';
+
+export default function OrganizationPage() {
+    const [rows, setRows] = useState([]);
+    const [loading, setLoading] = useState(true);
+    const [error, setError] = useState('');
+
+    const [open, setOpen] = useState(false);
+    const [creating, setCreating] = useState(false);
+    const [creatingError, setCreatingError] = useState('');
+
+    const [createForm, setCreateForm] = useState({
+        name: '',
+        email: ''
+    });
+
+    const loadOrganizations = async () => {
+        try {
+            const { data } = await axiosInstance.get('/api/organization');
+            setRows(data);
+        } catch {
+            setError('Fehler beim Laden der Organisationen');
+        } finally {
+            setLoading(false);
+        }
+    };
+
+    useEffect(() => {
+        loadOrganizations();
+    }, []);
+
+    const handleFormChange = (e) => {
+        const { name, value } = e.target;
+        setCreateForm((prev) => ({ ...prev, [name]: value }));
+    };
+
+    const handleCreate = async () => {
+        setCreating(true);
+        setCreatingError('');
+
+        try {
+            const jsonPayload = {
+                name: createForm.name,
+                ownerEmail: createForm.email
+            };
+
+            await axiosInstance.post('/api/organization', jsonPayload);
+
+            await loadOrganizations(); // Liste neu laden
+            handleCreateClose();
+
+        } catch (err) {
+            setCreatingError(err.response?.data?.message ?? 'Erstellen fehlgeschlagen');
+        } finally {
+            setCreating(false);
+        }
+    };
+
+    const handleCreateClose = () => {
+        setOpen(false);
+        setCreateForm({ name: '', email: '' });
+        setCreatingError('');
+    };
+
+    const handleDelete = async (id) => {
+        if (!window.confirm('Organisation wirklich löschen?')) return;
+
+        try {
+            await axiosInstance.delete(`/api/organization/${id}`);
+            setRows((prev) => prev.filter((r) => r.id !== id));
+        } catch {
+            alert('Löschen fehlgeschlagen');
+        }
+    };
+
+    const columns = [
+        { field: 'id', headerName: 'ID', width: 70 },
+        { field: 'name', headerName: 'Name', flex: 1.5 },
+        {
+            field: 'ownerEmail',
+            headerName: 'Verwalter',
+            flex: 2,
+            renderCell: ({ value }) => (
+                <Box sx={{ overflow: 'hidden', textOverflow: 'ellipsis', whiteSpace: 'nowrap', color: 'text.secondary', fontSize: 13 }}>
+                    {value}
+                </Box>
+            ),
+        },
+        {
+            field: 'active',
+            headerName: 'Status',
+            width: 150,
+            renderCell: ({ value }) => (
+                <Chip
+                    label={value ? 'Aktiv' : 'Inaktiv'}
+                    color={value ? 'success' : 'default'}
+                    size="small"
+                    variant={value ? 'filled' : 'outlined'}
+                />
+            ),
+        },
+        {
+            field: 'actions',
+            headerName: '',
+            width: 60,
+            sortable: false,
+            renderCell: ({ row }) => (
+                <Tooltip title="Löschen">
+                    <IconButton size="small" color="error" onClick={() => handleDelete(row.id)}>
+                        <DeleteOutlineIcon fontSize="small" />
+                    </IconButton>
+                </Tooltip>
+            ),
+        },
+    ];
+
+    return (
+        <Box>
+            {/* Header */}
+            <Box sx={{ display: 'flex', alignItems: 'center', justifyContent: 'space-between', mb: 3 }}>
+                <Typography variant="h5" fontWeight={600}>Organisationen</Typography>
+                <Button
+                    variant="contained"
+                    startIcon={<AddIcon />}
+                    onClick={() => setOpen(true)}
+                >
+                    Organisation erstellen
+                </Button>
+            </Box>
+
+            {error && <Alert severity="error" sx={{ mb: 2 }}>{error}</Alert>}
+
+            {/* Tabelle */}
+            <Box sx={{ bgcolor: 'white', borderRadius: 2, border: '1px solid', borderColor: 'divider' }}>
+                <DataGrid
+                    rows={rows}
+                    columns={columns}
+                    loading={loading}
+                    autoHeight
+                    pageSizeOptions={[25, 50, 100]}
+                    initialState={{ pagination: { paginationModel: { pageSize: 25 } } }}
+                    disableRowSelectionOnClick
+                    sx={{ border: 'none' }}
+                />
+            </Box>
+
+            {/* Create Dialog */}
+            <Dialog open={open} onClose={handleCreateClose} maxWidth="sm" fullWidth>
+                <DialogTitle sx={{ fontWeight: 600}}>Organisation erstellen</DialogTitle>
+
+                <DialogContent>
+                    <Stack spacing={2.5} sx={{ mt: 1 }}>
+                        {creatingError && <Alert severity="error">{creatingError}</Alert>}
+
+                        <TextField
+                            label="Name"
+                            name="name"
+                            value={createForm.name}
+                            onChange={handleFormChange}
+                            fullWidth
+                        />
+
+                        <TextField
+                            label="Verwalter Email"
+                            name="email"
+                            type="email"
+                            value={createForm.email}
+                            onChange={handleFormChange}
+                            fullWidth
+                        />
+                    </Stack>
+                </DialogContent>
+
+                <DialogActions sx={{ px: 3, pb: 2.5 }}>
+                    <Button onClick={handleCreateClose} disabled={creating}>
+                        Abbrechen
+                    </Button>
+
+                    <Button
+                        variant="contained"
+                        onClick={handleCreate}
+                        disabled={creating}
+                        startIcon={creating ? <CircularProgress size={16} color="inherit" /> : null}
+                    >
+                        Erstellen
+                    </Button>
+                </DialogActions>
+            </Dialog>
+        </Box>
+    );
+}

src/pages/UsersPage.jsx

@@ -2,12 +2,13 @@ import { useEffect, useState } from 'react';
 import {
   Box, Typography, Alert, IconButton, Tooltip,
   Dialog, DialogTitle, DialogContent, DialogActions,
-  TextField, Button, CircularProgress, Stack, Divider,
+  TextField, Button, CircularProgress, Stack,
-  Snackbar,
+  Snackbar, Select, MenuItem, FormControl, InputLabel,
 } from '@mui/material';
 import { DataGrid } from '@mui/x-data-grid';
 import EditOutlinedIcon from '@mui/icons-material/EditOutlined';
 import LockResetIcon from '@mui/icons-material/LockReset';
+import DeleteOutlineIcon from '@mui/icons-material/DeleteOutline';
 import axiosInstance from '../api/axiosInstance';
 
 export default function UsersPage() {
@@ -20,8 +21,11 @@ export default function UsersPage() {
   const [saving, setSaving] = useState(false);
   const [saveError, setSaveError] = useState('');
 
-  const [resetting, setResetting] = useState(null); // user id der gerade resettet wird
+  const [resetting, setResetting] = useState(null);
-  const [snackbar, setSnackbar] = useState('');     // Erfolgsmeldung
+  const [snackbar, setSnackbar] = useState('');
+
+  const [deleteUser, setDeleteUser] = useState(null);
+  const [deleting, setDeleting] = useState(false);
 
   useEffect(() => {
     axiosInstance.get('/api/users')
@@ -35,7 +39,7 @@ export default function UsersPage() {
     setEditForm({
       email: user.email ?? '',
       nickname: user.nickname ?? '',
-      role: user.role ?? '',
+      role: user.role?.replace('ROLE_', '') ?? '',
     });
     setSaveError('');
   };
@@ -77,6 +81,20 @@ export default function UsersPage() {
     }
   };
 
+  const handleDeleteConfirm = async () => {
+    setDeleting(true);
+    try {
+      await axiosInstance.delete(`/api/users/${deleteUser.id}`);
+      setRows((prev) => prev.filter((r) => r.id !== deleteUser.id));
+      setSnackbar(`Nutzer ${deleteUser.nickname} wurde gelöscht.`);
+      setDeleteUser(null);
+    } catch (err) {
+      setSnackbar(err.response?.data?.message ?? 'Löschen fehlgeschlagen');
+    } finally {
+      setDeleting(false);
+    }
+  };
+
   const columns = [
     { field: 'id', headerName: 'ID', width: 80 },
     { field: 'nickname', headerName: 'Anzeigename', flex: 1 },
@@ -91,7 +109,7 @@ export default function UsersPage() {
     {
       field: 'actions',
       headerName: '',
-      width: 100,
+      width: 130,
       sortable: false,
       renderCell: ({ row }) => (
         <Box sx={{ display: 'flex', gap: 0.5 }}>
@@ -115,6 +133,11 @@ export default function UsersPage() {
               </IconButton>
             </span>
           </Tooltip>
+          <Tooltip title="Nutzer löschen">
+            <IconButton size="small" color="error" onClick={() => setDeleteUser(row)}>
+              <DeleteOutlineIcon fontSize="small" />
+            </IconButton>
+          </Tooltip>
         </Box>
       ),
     },
@@ -159,19 +182,19 @@ export default function UsersPage() {
               onChange={handleFormChange}
               fullWidth
             />
-            <TextField
+            <FormControl fullWidth>
-              label="Berechtigung"
+              <InputLabel>Berechtigung</InputLabel>
-              name="role"
+              <Select
-              select
+                name="role"
-              value={editForm.role ?? ''}
+                value={editForm.role ?? ''}
-              onChange={handleFormChange}
+                label="Berechtigung"
-              fullWidth
+                onChange={handleFormChange}
-              SelectProps={{ native: true }}
+              >
-            >
+                <MenuItem value="ADMIN">ADMIN</MenuItem>
-              <option value="ADMIN">ADMIN</option>
+                <MenuItem value="REPORTER">REPORTER</MenuItem>
-              <option value="REPORTER">REPORTER</option>
+                <MenuItem value="USER">USER</MenuItem>
-              <option value="USER">USER</option>
+              </Select>
-            </TextField>
+            </FormControl>
           </Stack>
         </DialogContent>
         <DialogActions sx={{ px: 3, pb: 2.5 }}>
@@ -187,7 +210,29 @@ export default function UsersPage() {
         </DialogActions>
       </Dialog>
 
-      {/* Snackbar für Reset-Feedback */}
+      {/* Delete Bestätigungs-Dialog */}
+      <Dialog open={!!deleteUser} onClose={() => setDeleteUser(null)} maxWidth="xs" fullWidth>
+        <DialogTitle sx={{ fontWeight: 600 }}>Nutzer löschen</DialogTitle>
+        <DialogContent>
+          <Typography variant="body2">
+            Soll <strong>{deleteUser?.nickname}</strong> ({deleteUser?.email}) wirklich gelöscht werden? Diese Aktion kann nicht rückgängig gemacht werden.
+          </Typography>
+        </DialogContent>
+        <DialogActions sx={{ px: 3, pb: 2.5 }}>
+          <Button onClick={() => setDeleteUser(null)} disabled={deleting}>Abbrechen</Button>
+          <Button
+            variant="contained"
+            color="error"
+            onClick={handleDeleteConfirm}
+            disabled={deleting}
+            startIcon={deleting ? <CircularProgress size={16} color="inherit" /> : null}
+          >
+            Löschen
+          </Button>
+        </DialogActions>
+      </Dialog>
+
+      {/* Snackbar */}
       <Snackbar
         open={!!snackbar}
         autoHideDuration={5000}