529 lines
18 KiB
TypeScript
529 lines
18 KiB
TypeScript
/**
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* FilesPage
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*
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* Split-view file management: FolderTree on the left, FormGeneratorTable on the right.
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* Uses useResizablePanels for the divider.
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*/
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import React, { useState, useMemo, useEffect, useRef, useCallback } from 'react';
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import api from '../../api';
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import { useUserFiles, useFileOperations } from '../../hooks/useFiles';
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import { useFileContext } from '../../contexts/FileContext';
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import { FormGeneratorTable } from '../../components/FormGenerator/FormGeneratorTable';
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import { FormGeneratorForm } from '../../components/FormGenerator/FormGeneratorForm';
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import FolderTree from '../../components/FolderTree/FolderTree';
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import type { FileNode } from '../../components/FolderTree/FolderTree';
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import { useResizablePanels } from '../../hooks/useResizablePanels';
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import { FaSync, FaFolder, FaUpload, FaDownload, FaEye, FaFolderPlus } from 'react-icons/fa';
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import { useToast } from '../../contexts/ToastContext';
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import styles from '../admin/Admin.module.css';
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interface UserFile {
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id: string;
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fileName: string;
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mimeType?: string;
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fileSize?: number;
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folderId?: string | null;
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featureInstanceId?: string;
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[key: string]: any;
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}
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export const FilesPage: React.FC = () => {
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const fileInputRef = useRef<HTMLInputElement>(null);
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const { showSuccess, showError } = useToast();
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const [selectedFolderId, setSelectedFolderId] = useState<string | null>(null);
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const {
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leftWidth, isDragging, handleMouseDown, containerRef,
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} = useResizablePanels({
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storageKey: 'filesPage-panelWidth',
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defaultLeftWidth: 22,
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minLeftWidth: 15,
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maxLeftWidth: 40,
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});
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const {
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data: files,
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attributes,
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permissions,
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loading,
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error,
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refetch,
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pagination,
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fetchFileById,
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updateFileOptimistically,
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} = useUserFiles();
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const {
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handleFileDownload,
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handleFileDelete,
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handleFileDeleteMultiple,
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handleFileUpload,
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handleFileUpdate,
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handleFilePreview,
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handleInlineUpdate,
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deletingFiles,
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downloadingFiles,
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uploadingFile,
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previewingFiles,
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} = useFileOperations();
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const {
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folders,
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refreshFolders,
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handleCreateFolder,
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handleRenameFolder,
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handleDeleteFolder,
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handleMoveFolder,
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handleMoveFolders,
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handleMoveFile,
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handleMoveFiles: contextMoveFiles,
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handleDownloadFolder,
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expandedFolderIds,
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toggleFolderExpanded,
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} = useFileContext();
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const [editingFile, setEditingFile] = useState<UserFile | null>(null);
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const [selectedFiles, setSelectedFiles] = useState<UserFile[]>([]);
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const [treeSelectedIds, setTreeSelectedIds] = useState<Set<string>>(new Set());
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const [highlightedFileId, setHighlightedFileId] = useState<string | null>(null);
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useEffect(() => { refetch(); }, []);
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const treeFileNodes: FileNode[] = useMemo(() => {
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if (!files) return [];
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return files.map((f: UserFile) => ({
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id: f.id,
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fileName: f.fileName,
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mimeType: f.mimeType,
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fileSize: f.fileSize,
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folderId: f.folderId ?? null,
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}));
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}, [files]);
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const _handleTreeFileSelect = useCallback((fileId: string) => {
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const file = files?.find((f: UserFile) => f.id === fileId);
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if (file) {
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setSelectedFolderId(file.folderId ?? null);
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setHighlightedFileId(fileId);
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requestAnimationFrame(() => {
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const row = document.querySelector('tr[data-highlighted="true"]');
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if (row) row.scrollIntoView({ behavior: 'smooth', block: 'center' });
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});
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setTimeout(() => setHighlightedFileId(null), 2500);
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}
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}, [files]);
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const filteredFiles = useMemo(() => {
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if (!files) return [];
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if (selectedFolderId === null) {
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return files.filter((f: UserFile) => !f.folderId);
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}
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return files.filter((f: UserFile) => f.folderId === selectedFolderId);
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}, [files, selectedFolderId]);
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const columns = useMemo(() => {
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const hiddenColumns = ['id', 'mandateId', 'fileHash', 'folderId'];
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const cols = (attributes || [])
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.filter(attr => !hiddenColumns.includes(attr.name))
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.map(attr => ({
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key: attr.name,
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label: attr.label || attr.name,
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type: attr.type as any,
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sortable: attr.sortable !== false,
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filterable: attr.filterable !== false,
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searchable: attr.searchable !== false,
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width: attr.width || 150,
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minWidth: attr.minWidth || 100,
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maxWidth: attr.maxWidth || 400,
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fkSource: (attr as any).fkSource,
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fkDisplayField: (attr as any).fkDisplayField,
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}));
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cols.push({
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key: '_createdBy',
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label: 'Created By',
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type: 'text' as any,
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sortable: true,
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filterable: false,
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searchable: false,
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width: 150,
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minWidth: 100,
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maxWidth: 250,
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} as any);
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return cols;
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}, [attributes]);
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const canCreate = permissions?.create !== 'n';
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const canUpdate = permissions?.update !== 'n';
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const canDelete = permissions?.delete !== 'n';
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const handleEditClick = async (file: UserFile) => {
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const fullFile = await fetchFileById(file.id);
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if (fullFile) setEditingFile(fullFile as UserFile);
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};
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const handleEditSubmit = async (data: Partial<UserFile>) => {
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if (!editingFile) return;
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const result = await handleFileUpdate(editingFile.id, {
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fileName: data.fileName || editingFile.fileName
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}, editingFile);
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if (result.success) {
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setEditingFile(null);
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refetch();
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}
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};
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const handleDelete = async (file: UserFile) => {
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const success = await handleFileDelete(file.id);
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if (success) refetch();
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};
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const handleDeleteMultiple = async (filesToDelete: UserFile[]) => {
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const ids = filesToDelete.map(f => f.id);
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const success = await handleFileDeleteMultiple(ids);
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if (success) refetch();
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};
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const handleDownload = async (file: UserFile) => {
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await handleFileDownload(file.id, file.fileName);
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};
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const handlePreview = async (file: UserFile) => {
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const result = await handleFilePreview(file.id, file.fileName, file.mimeType);
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if (result.success && result.previewUrl) {
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window.open(result.previewUrl, '_blank');
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}
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};
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const handleUploadClick = () => { fileInputRef.current?.click(); };
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const handleFileSelect = async (e: React.ChangeEvent<HTMLInputElement>) => {
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const selectedFiles = e.target.files;
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if (selectedFiles && selectedFiles.length > 0) {
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let successCount = 0;
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let errorCount = 0;
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for (const file of Array.from(selectedFiles)) {
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const result = await handleFileUpload(file);
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if (result?.success) successCount++; else errorCount++;
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}
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if (fileInputRef.current) fileInputRef.current.value = '';
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await refetch();
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if (successCount > 0) {
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showSuccess(
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'Upload erfolgreich',
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`${successCount} Datei(en) hochgeladen${errorCount > 0 ? `, ${errorCount} fehlgeschlagen` : ''}`
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);
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} else if (errorCount > 0) {
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showError('Upload fehlgeschlagen', `${errorCount} Datei(en) konnten nicht hochgeladen werden`);
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}
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}
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};
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const _handleNewFolder = useCallback(async () => {
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const name = prompt('Neuer Ordnername:');
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if (name?.trim()) {
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await handleCreateFolder(name.trim(), selectedFolderId);
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}
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}, [handleCreateFolder, selectedFolderId]);
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const _onRowDragStart = useCallback((e: React.DragEvent<HTMLTableRowElement>, row: UserFile) => {
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const isInSelection = selectedFiles.some(f => f.id === row.id);
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if (isInSelection && selectedFiles.length > 1) {
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const ids = selectedFiles.map(f => f.id);
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e.dataTransfer.setData('application/file-ids', JSON.stringify(ids));
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} else {
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e.dataTransfer.setData('application/file-id', row.id);
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}
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e.dataTransfer.effectAllowed = 'move';
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}, [selectedFiles]);
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const _handleMoveFilePage = useCallback(async (fileId: string, targetFolderId: string | null) => {
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await handleMoveFile(fileId, targetFolderId);
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await refetch();
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}, [handleMoveFile, refetch]);
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const _handleMoveFiles = useCallback(async (fileIds: string[], targetFolderId: string | null) => {
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await contextMoveFiles(fileIds, targetFolderId);
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await refetch();
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}, [contextMoveFiles, refetch]);
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const _handleRenameFile = useCallback(async (fileId: string, newName: string) => {
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await handleFileUpdate(fileId, { fileName: newName });
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await refetch();
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}, [handleFileUpdate, refetch]);
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const _handleDeleteTreeFile = useCallback(async (fileId: string) => {
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await handleFileDelete(fileId);
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await refetch();
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}, [handleFileDelete, refetch]);
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const _handleDeleteTreeFiles = useCallback(async (fileIds: string[]) => {
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await handleFileDeleteMultiple(fileIds);
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await refetch();
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}, [handleFileDeleteMultiple, refetch]);
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const _handleDeleteTreeFolders = useCallback(async (folderIds: string[]) => {
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await api.post('/api/files/batch-delete', { folderIds, recursiveFolders: true });
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await refreshFolders();
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await refetch();
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}, [refreshFolders, refetch]);
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const _handleTreeRefresh = useCallback(async () => {
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await refetch();
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await refreshFolders();
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}, [refetch, refreshFolders]);
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const _tableRefetch = useCallback(async (params?: any) => {
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const nextParams = { ...(params || {}) };
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const nextFilters = { ...(nextParams.filters || {}) };
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nextFilters.folderId = selectedFolderId;
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nextParams.filters = nextFilters;
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await refetch(nextParams);
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}, [refetch, selectedFolderId]);
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useEffect(() => {
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_tableRefetch({ page: 1, pageSize: 25 });
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}, [selectedFolderId, _tableRefetch]);
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const formAttributes = useMemo(() => {
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const excludedFields = ['id', 'mandateId', 'fileHash', '_createdBy', '_createdAt', '_modifiedAt', 'creationDate', 'source'];
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return (attributes || []).filter(attr => !excludedFields.includes(attr.name));
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}, [attributes]);
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if (error) {
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return (
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<div className={styles.adminPage}>
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<div className={styles.errorContainer}>
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<span className={styles.errorIcon}>⚠️</span>
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<p className={styles.errorMessage}>Fehler beim Laden der Dateien: {error}</p>
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<button className={styles.secondaryButton} onClick={() => refetch()}>
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<FaSync /> Erneut versuchen
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</button>
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</div>
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</div>
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);
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}
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return (
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<div className={`${styles.adminPage} ${styles.adminPageFill}`}>
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<input
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ref={fileInputRef}
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type="file"
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multiple
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style={{ display: 'none' }}
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onChange={handleFileSelect}
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/>
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<div className={styles.pageHeader}>
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<div>
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<h1 className={styles.pageTitle}>Dateien</h1>
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<p className={styles.pageSubtitle}>Dateiverwaltung</p>
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</div>
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<div className={styles.headerActions}>
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<button className={styles.secondaryButton} onClick={() => { refetch(); refreshFolders(); }} disabled={loading}>
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<FaSync className={loading ? 'spinning' : ''} /> Aktualisieren
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</button>
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</div>
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</div>
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{/* Split-view container */}
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<div
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ref={containerRef as React.RefObject<HTMLDivElement>}
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style={{ display: 'flex', flex: 1, overflow: 'hidden', minHeight: 0, position: 'relative' }}
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>
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{/* Left panel: FolderTree */}
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<div style={{
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width: `${leftWidth}%`,
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minWidth: 0,
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overflow: 'auto',
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borderRight: '1px solid var(--color-border, #e0e0e0)',
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padding: '8px 4px',
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}}>
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<FolderTree
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folders={folders}
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files={treeFileNodes}
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showFiles={true}
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selectedFolderId={selectedFolderId}
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onSelect={setSelectedFolderId}
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onFileSelect={_handleTreeFileSelect}
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selectedItemIds={treeSelectedIds}
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onSelectionChange={setTreeSelectedIds}
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expandedIds={expandedFolderIds}
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onToggleExpand={toggleFolderExpanded}
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onRefresh={_handleTreeRefresh}
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onCreateFolder={handleCreateFolder}
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onRenameFolder={handleRenameFolder}
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onDeleteFolder={async (folderId) => {
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await handleDeleteFolder(folderId);
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if (selectedFolderId === folderId) setSelectedFolderId(null);
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await refetch();
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}}
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onMoveFolder={handleMoveFolder}
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onMoveFolders={handleMoveFolders}
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onMoveFile={_handleMoveFilePage}
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onMoveFiles={_handleMoveFiles}
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onRenameFile={_handleRenameFile}
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onDeleteFile={_handleDeleteTreeFile}
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onDeleteFiles={_handleDeleteTreeFiles}
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onDeleteFolders={_handleDeleteTreeFolders}
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onDownloadFolder={handleDownloadFolder}
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/>
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</div>
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{/* Resizable divider */}
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<div
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onMouseDown={handleMouseDown}
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style={{
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width: 6,
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cursor: 'col-resize',
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background: isDragging ? 'var(--color-primary, #1976d2)' : 'transparent',
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transition: isDragging ? 'none' : 'background 0.15s',
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flexShrink: 0,
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zIndex: 10,
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}}
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onMouseEnter={(e) => { (e.target as HTMLElement).style.background = 'var(--color-border-hover, #bbb)'; }}
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onMouseLeave={(e) => { if (!isDragging) (e.target as HTMLElement).style.background = 'transparent'; }}
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/>
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{/* Right panel: File table */}
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<div style={{ flex: 1, minWidth: 0, overflow: 'auto', display: 'flex', flexDirection: 'column' }}>
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{/* Toolbar above table */}
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<div style={{
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display: 'flex', gap: 8, padding: '8px 12px',
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borderBottom: '1px solid var(--color-border, #e0e0e0)',
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flexShrink: 0, alignItems: 'center', flexWrap: 'wrap',
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}}>
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<button className={styles.secondaryButton} onClick={_handleNewFolder}>
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<FaFolderPlus /> Neuer Ordner
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</button>
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{canCreate && (
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<button className={styles.primaryButton} onClick={handleUploadClick} disabled={uploadingFile}>
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<FaUpload /> {uploadingFile ? 'Uploading...' : 'Datei hochladen'}
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</button>
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)}
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</div>
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{/* Table content */}
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<div style={{ flex: 1, overflow: 'auto' }}>
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{loading && (!files || files.length === 0) ? (
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<div className={styles.loadingContainer}>
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<div className={styles.spinner} />
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<span>Lade Dateien...</span>
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</div>
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) : filteredFiles.length === 0 ? (
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<div className={styles.emptyState}>
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<FaFolder className={styles.emptyIcon} />
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<h3 className={styles.emptyTitle}>
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{selectedFolderId ? 'Ordner ist leer' : 'Keine Dateien vorhanden'}
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</h3>
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<p className={styles.emptyDescription}>
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{selectedFolderId
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? 'Verschieben Sie Dateien hierher oder laden Sie neue hoch.'
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: 'Laden Sie eine Datei hoch, um loszulegen.'}
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</p>
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{canCreate && (
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<button className={styles.primaryButton} onClick={handleUploadClick} disabled={uploadingFile}>
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<FaUpload /> Datei hochladen
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</button>
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)}
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</div>
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) : (
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<FormGeneratorTable
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data={filteredFiles}
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columns={columns}
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apiEndpoint="/api/files/list"
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loading={loading}
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pagination={true}
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pageSize={25}
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searchable={true}
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filterable={true}
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sortable={true}
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selectable={true}
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onRowSelect={(rows) => setSelectedFiles(rows as UserFile[])}
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rowDraggable={true}
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onRowDragStart={_onRowDragStart}
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getRowDataAttributes={(row: UserFile) =>
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({ highlighted: row.id === highlightedFileId ? 'true' : 'false' })
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}
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actionButtons={[
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...(canUpdate ? [{
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type: 'edit' as const,
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onAction: handleEditClick,
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title: 'Bearbeiten',
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}] : []),
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...(canDelete ? [{
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type: 'delete' as const,
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title: 'Löschen',
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loading: (row: UserFile) => deletingFiles.has(row.id),
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}] : []),
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]}
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customActions={[
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{
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id: 'download',
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icon: <FaDownload />,
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onClick: handleDownload,
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title: 'Herunterladen',
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loading: (row: UserFile) => downloadingFiles.has(row.id),
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},
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{
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id: 'preview',
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icon: <FaEye />,
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onClick: handlePreview,
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title: 'Vorschau',
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loading: (row: UserFile) => previewingFiles.has(row.id),
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},
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]}
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onDelete={handleDelete}
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onDeleteMultiple={handleDeleteMultiple}
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hookData={{
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refetch: _tableRefetch,
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pagination,
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permissions,
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handleDelete: handleFileDelete,
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handleInlineUpdate,
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updateOptimistically: updateFileOptimistically,
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}}
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emptyMessage="Keine Dateien gefunden"
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/>
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)}
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</div>
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</div>
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</div>
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{/* Edit Modal */}
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{editingFile && (
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<div className={styles.modalOverlay} onClick={() => setEditingFile(null)}>
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<div className={styles.modal} onClick={e => e.stopPropagation()}>
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<div className={styles.modalHeader}>
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<h2 className={styles.modalTitle}>Datei bearbeiten</h2>
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<button className={styles.modalClose} onClick={() => setEditingFile(null)}>✕</button>
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</div>
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<div className={styles.modalContent}>
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{formAttributes.length === 0 ? (
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<div className={styles.loadingContainer}>
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<div className={styles.spinner} />
|
||
<span>Lade Formular...</span>
|
||
</div>
|
||
) : (
|
||
<FormGeneratorForm
|
||
attributes={formAttributes}
|
||
data={editingFile}
|
||
mode="edit"
|
||
onSubmit={handleEditSubmit}
|
||
onCancel={() => setEditingFile(null)}
|
||
submitButtonText="Speichern"
|
||
cancelButtonText="Abbrechen"
|
||
/>
|
||
)}
|
||
</div>
|
||
</div>
|
||
</div>
|
||
)}
|
||
</div>
|
||
);
|
||
};
|
||
|
||
export default FilesPage;
|