Spaces:
Sleeping
Sleeping
File size: 4,982 Bytes
6242ddb | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 | import { useState, useCallback, useRef } from 'react';
import { Upload, FileText, X } from 'lucide-react';
interface FileUploadProps {
onUpload: (file: File, source?: string) => Promise<void>;
loading?: boolean;
}
const ACCEPTED_TYPES = [
'.csv',
'.json',
'.xlsx',
'.xls',
'.zip',
'text/csv',
'application/json',
'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
'application/vnd.ms-excel',
'application/zip',
];
export function FileUpload({ onUpload, loading }: FileUploadProps) {
const [dragOver, setDragOver] = useState(false);
const [selectedFile, setSelectedFile] = useState<File | null>(null);
const [source, setSource] = useState('');
const [error, setError] = useState<string | null>(null);
const inputRef = useRef<HTMLInputElement>(null);
const validateFile = (file: File): boolean => {
const ext = '.' + file.name.split('.').pop()?.toLowerCase();
if (!['.csv', '.json', '.xlsx', '.xls', '.zip'].includes(ext)) {
setError(`Unsupported format: ${ext}. Use CSV, JSON, Excel, or ZIP.`);
return false;
}
if (file.size > 500 * 1024 * 1024) {
setError('File too large. Maximum 500MB.');
return false;
}
setError(null);
return true;
};
const handleDrop = useCallback((e: React.DragEvent) => {
e.preventDefault();
setDragOver(false);
const file = e.dataTransfer.files[0];
if (file && validateFile(file)) {
setSelectedFile(file);
}
}, []);
const handleFileSelect = useCallback((e: React.ChangeEvent<HTMLInputElement>) => {
const file = e.target.files?.[0];
if (file && validateFile(file)) {
setSelectedFile(file);
}
}, []);
const handleSubmit = async () => {
if (!selectedFile) return;
try {
await onUpload(selectedFile, source || undefined);
setSelectedFile(null);
setSource('');
} catch (err) {
setError(err instanceof Error ? err.message : 'Upload failed');
}
};
const formatSize = (bytes: number) => {
if (bytes < 1024) return `${bytes} B`;
if (bytes < 1024 * 1024) return `${(bytes / 1024).toFixed(1)} KB`;
return `${(bytes / (1024 * 1024)).toFixed(1)} MB`;
};
return (
<div>
<div
className={`upload-zone ${dragOver ? 'drag-over' : ''}`}
onDragOver={(e) => { e.preventDefault(); setDragOver(true); }}
onDragLeave={() => setDragOver(false)}
onDrop={handleDrop}
onClick={() => inputRef.current?.click()}
role="button"
tabIndex={0}
aria-label="Upload file"
onKeyDown={(e) => e.key === 'Enter' && inputRef.current?.click()}
>
<Upload size={32} style={{ color: 'var(--accent)' }} />
<h3>Drop files here or click to browse</h3>
<p>Supports CSV, JSON, Excel (.xlsx/.xls), and ZIP files up to 500MB</p>
<p style={{ fontSize: 11, color: 'var(--text-muted)', marginTop: 8 }}>
Files >10MB will be uploaded in chunks automatically
</p>
<input
ref={inputRef}
type="file"
accept={ACCEPTED_TYPES.join(',')}
onChange={handleFileSelect}
style={{ display: 'none' }}
aria-hidden="true"
/>
</div>
{error && (
<div className="alert alert-danger mt-4">
<span>{error}</span>
<button onClick={() => setError(null)} className="btn-icon" style={{ border: 'none', marginLeft: 'auto' }}>×</button>
</div>
)}
{selectedFile && (
<div className="card mt-4">
<div className="card-body flex items-center justify-between">
<div className="flex items-center gap-3">
<FileText size={20} style={{ color: 'var(--accent)' }} />
<div>
<div style={{ fontWeight: 600, fontSize: 14 }}>{selectedFile.name}</div>
<div style={{ fontSize: 12, color: 'var(--text-muted)' }}>{formatSize(selectedFile.size)}</div>
</div>
</div>
<button className="btn-icon" onClick={() => setSelectedFile(null)} aria-label="Remove file">
<X size={16} />
</button>
</div>
<div className="card-body" style={{ paddingTop: 0 }}>
<div className="filter-group" style={{ maxWidth: 300 }}>
<label className="label" htmlFor="source-input">Data Source (optional)</label>
<input
id="source-input"
className="input"
placeholder="e.g., app_store, survey, support"
value={source}
onChange={(e) => setSource(e.target.value)}
/>
</div>
<button
className="btn btn-primary mt-4"
onClick={handleSubmit}
disabled={loading}
>
{loading ? 'Uploading…' : 'Start Analysis'}
</button>
</div>
</div>
)}
</div>
);
}
|