refactor + bilder injection safer
This commit is contained in:
222
src/pages/News/CreateNewsPage.jsx
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222
src/pages/News/CreateNewsPage.jsx
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import { useState } from 'react';
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import { useNavigate } from 'react-router-dom';
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import {
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Box, Typography, Card, CardContent, TextField, Button,
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Alert, CircularProgress, Stack, IconButton, Divider,
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ToggleButton, ToggleButtonGroup, Collapse, Chip,
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} from '@mui/material';
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import ArrowBackIcon from '@mui/icons-material/ArrowBack';
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import DeleteOutlineIcon from '@mui/icons-material/DeleteOutline';
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import AddPhotoAlternateOutlinedIcon from '@mui/icons-material/AddPhotoAlternateOutlined';
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import NotificationsActiveIcon from '@mui/icons-material/NotificationsActive';
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import NotificationsOffOutlinedIcon from '@mui/icons-material/NotificationsOffOutlined';
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import StarIcon from '@mui/icons-material/Star';
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import axiosInstance from '../../api/axiosInstance.js';
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const EMPTY_FORM = {
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title: '',
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description: '',
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category: '',
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pushNotification: false,
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pushMessage: '',
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};
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export default function CreateNewsPage() {
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const navigate = useNavigate();
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const [form, setForm] = useState(EMPTY_FORM);
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const [files, setFiles] = useState([]);
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const [previews, setPreviews] = useState([]);
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const [saving, setSaving] = useState(false);
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const [error, setError] = useState('');
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const handleChange = (e) => {
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const { name, value } = e.target;
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setForm((prev) => ({ ...prev, [name]: value }));
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};
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const handleFileChange = (e) => {
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const selected = Array.from(e.target.files);
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setFiles((prev) => [...prev, ...selected]);
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const newPreviews = selected.map((f) => URL.createObjectURL(f));
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setPreviews((prev) => [...prev, ...newPreviews]);
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e.target.value = '';
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};
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const handleRemoveFile = (index) => {
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URL.revokeObjectURL(previews[index]);
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setFiles((prev) => prev.filter((_, i) => i !== index));
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setPreviews((prev) => prev.filter((_, i) => i !== index));
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};
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const handleSubmit = async (e) => {
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e.preventDefault();
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setSaving(true);
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setError('');
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try {
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const formData = new FormData();
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const jsonPayload = {
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title: form.title,
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description: form.description,
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category: form.category,
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pushNotification: form.pushNotification,
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...(form.pushNotification && form.pushMessage ? { pushMessage: form.pushMessage } : {}),
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};
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formData.append('data', new Blob([JSON.stringify(jsonPayload)], { type: 'application/json' }));
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files.forEach((file) => formData.append('images', file));
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await axiosInstance.post('/news', formData, {
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headers: { 'Content-Type': 'multipart/form-data' },
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});
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navigate('/posts');
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} catch (err) {
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setError(err.response?.data?.message ?? 'Erstellen fehlgeschlagen');
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} finally {
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setSaving(false);
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}
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};
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const isValid = form.title && form.description && form.category;
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return (
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<Box>
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<Box sx={{ display: 'flex', alignItems: 'center', gap: 1, mb: 3 }}>
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<IconButton onClick={() => navigate('/posts')} size="small">
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<ArrowBackIcon />
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</IconButton>
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<Typography variant="h5" fontWeight={600}>News erstellen</Typography>
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</Box>
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<Card sx={{ maxWidth: 680 }}>
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<CardContent sx={{ p: 3 }}>
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<Box component="form" onSubmit={handleSubmit}>
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<Stack spacing={3}>
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{error && <Alert severity="error">{error}</Alert>}
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<TextField label="Titel" name="title" value={form.title} onChange={handleChange} required fullWidth autoFocus />
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<TextField label="Beschreibung" name="description" value={form.description} onChange={handleChange} required fullWidth multiline rows={6} />
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<TextField label="Kategorie" name="category" value={form.category} onChange={handleChange} required fullWidth />
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<Divider />
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{/* Bild-Upload */}
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<Box>
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<Box sx={{ display: 'flex', alignItems: 'center', justifyContent: 'space-between', mb: 1.5 }}>
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<Typography variant="subtitle2" fontWeight={500}>Bilder</Typography>
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{files.length > 0 && (
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<Typography variant="caption" color="text.secondary">
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Das erste Bild wird als Vorschaubild verwendet
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</Typography>
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)}
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</Box>
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<Stack spacing={1.5}>
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{previews.map((src, i) => (
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<Box
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key={i}
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sx={{
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display: 'flex', alignItems: 'center', gap: 1.5,
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p: 1, borderRadius: 1,
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border: '1px solid',
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borderColor: i === 0 ? 'primary.main' : 'divider',
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bgcolor: i === 0 ? 'primary.50' : 'transparent',
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}}
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>
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<Box
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component="img"
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src={src}
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alt={`Vorschau ${i + 1}`}
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sx={{ width: 64, height: 64, objectFit: 'cover', borderRadius: 1, flexShrink: 0 }}
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/>
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<Box sx={{ flex: 1, minWidth: 0 }}>
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<Box sx={{ display: 'flex', alignItems: 'center', gap: 1, mb: 0.5 }}>
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{i === 0 && (
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<Chip
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icon={<StarIcon sx={{ fontSize: '13px !important' }} />}
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label="Vorschaubild"
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size="small"
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color="primary"
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sx={{ height: 20, fontSize: 11 }}
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/>
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)}
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</Box>
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<Typography variant="body2" color="text.secondary" sx={{ overflow: 'hidden', textOverflow: 'ellipsis', whiteSpace: 'nowrap' }}>
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{files[i]?.name}
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</Typography>
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</Box>
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<IconButton size="small" color="error" onClick={() => handleRemoveFile(i)}>
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<DeleteOutlineIcon fontSize="small" />
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</IconButton>
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</Box>
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))}
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<Button
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component="label"
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startIcon={<AddPhotoAlternateOutlinedIcon />}
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size="small"
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sx={{ alignSelf: 'flex-start' }}
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>
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{files.length === 0 ? 'Vorschaubild hinzufügen' : 'Weiteres Bild hinzufügen'}
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<input type="file" hidden accept="image/jpeg,image/png,image/webp" multiple onChange={handleFileChange} />
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</Button>
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</Stack>
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</Box>
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<Divider />
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{/* Push Notification */}
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<Box>
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<Typography variant="subtitle2" fontWeight={500} mb={1.5}>Push Notification</Typography>
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<Box sx={{ display: 'flex', alignItems: 'flex-start', gap: 2 }}>
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<ToggleButtonGroup
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exclusive
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value={form.pushNotification}
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onChange={(_, val) => {
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if (val === null) return;
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setForm((prev) => ({ ...prev, pushNotification: val }));
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}}
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size="small"
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>
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<ToggleButton value={false} sx={{ gap: 0.75, px: 2 }}>
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<NotificationsOffOutlinedIcon fontSize="small" />
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Aus
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</ToggleButton>
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<ToggleButton value={true} sx={{ gap: 0.75, px: 2 }}>
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<NotificationsActiveIcon fontSize="small" />
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An
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</ToggleButton>
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</ToggleButtonGroup>
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<Collapse in={form.pushNotification} orientation="horizontal" sx={{ flex: 1 }}>
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<TextField
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label="Nachricht"
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name="pushMessage"
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value={form.pushMessage}
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onChange={handleChange}
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fullWidth
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size="small"
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placeholder="Kurze Info für die Notification..."
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inputProps={{ maxLength: 100 }}
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helperText={`${form.pushMessage.length}/100`}
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/>
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</Collapse>
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</Box>
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</Box>
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<Box sx={{ display: 'flex', gap: 2, justifyContent: 'flex-end', pt: 1 }}>
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<Button onClick={() => navigate('/posts')} disabled={saving}>Abbrechen</Button>
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<Button
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type="submit"
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variant="contained"
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disabled={saving || !isValid}
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startIcon={saving ? <CircularProgress size={16} color="inherit" /> : null}
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>
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Veröffentlichen
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</Button>
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</Box>
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</Stack>
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</Box>
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</CardContent>
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</Card>
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</Box>
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);
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}
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