refactor + bilder injection safer

This commit is contained in:
2026-04-13 15:22:47 +02:00
parent 57dd2f5955
commit ccb1e912df
15 changed files with 36 additions and 36 deletions

View File

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