457 lines
15 KiB
TypeScript
457 lines
15 KiB
TypeScript
/**
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* 合同起草页面
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* 路由: /contract-draft/:draftId
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*/
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import type { LoaderFunctionArgs, MetaFunction, ActionFunctionArgs } from '@remix-run/node';
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import { redirect } from '@remix-run/node';
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import { useLoaderData, useNavigate, useFetcher } from '@remix-run/react';
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import { useState, useRef, useEffect } from 'react';
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import { FilePreview, type FilePreviewHandle } from '~/components/reviews/FilePreview';
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import { PlaceholderForm } from '~/components/contracts/PlaceholderForm';
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import { getDraftById, deleteDraft } from '~/api/contracts/draft-service.server';
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import { getUserSession } from '~/api/login/auth.server';
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import { deleteFile } from '~/api/storage/minio-client';
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import { toastService } from '~/components/ui/Toast';
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import { messageService } from '~/components/ui/MessageModal';
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import { downloadFile } from '~/api/axios-client';
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import { extractPlaceholdersFromDocx, generateDefaultSchema } from '~/api/contracts/docx-parser.server';
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import path from 'path';
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import type { DraftedContract, PlaceholderSchema } from '~/types/contract-draft';
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import type { ContractTemplate } from '~/api/contract-template/templates';
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export const meta: MetaFunction<typeof loader> = ({ data }) => {
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return [
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{ title: `${data?.draft.title || '合同起草'} - 智慧法务` },
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{ name: 'description', content: '起草合同文档' }
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];
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};
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interface LoaderData {
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draft: DraftedContract;
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template: ContractTemplate;
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}
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interface ActionData {
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success?: boolean;
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message?: string;
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error?: string;
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}
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export async function loader({ params, request }: LoaderFunctionArgs) {
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const draftId = parseInt(params.draftId || '0');
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if (!draftId) {
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throw new Response('草稿ID无效', { status: 400 });
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}
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// 获取用户信息和JWT
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const { userInfo, frontendJWT } = await getUserSession(request);
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if (!userInfo?.sub) {
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throw new Response('未登录', { status: 401 });
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}
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const jwt = frontendJWT || undefined;
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// 从 URL 参数获取文件路径、模板 ID 和标题
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const url = new URL(request.url);
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const filePath = url.searchParams.get('filePath');
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const templateId = url.searchParams.get('templateId');
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const title = url.searchParams.get('title');
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if (!filePath) {
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throw new Response('文件路径参数缺失', { status: 400 });
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}
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if (!templateId) {
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throw new Response('模板ID参数缺失', { status: 400 });
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}
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console.log('[Loader] 起草合同:', { filePath, templateId, title });
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// 创建草稿对象
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const draft: DraftedContract = {
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id: draftId,
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template_id: parseInt(templateId),
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file_path: filePath,
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title: title || '未命名合同',
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placeholder_values: {},
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status: 'draft',
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created_by: parseInt(userInfo.sub),
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created_at: new Date().toISOString(),
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updated_at: new Date().toISOString()
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};
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// 从 docx 文件中提取占位符
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let placeholderSchema: PlaceholderSchema | null = null;
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try {
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console.log('[Loader] 使用文件:', filePath);
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// 提取占位符
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const placeholders = await extractPlaceholdersFromDocx(filePath);
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console.log('[Loader] 提取到的占位符:', placeholders);
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// 生成默认 schema
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placeholderSchema = generateDefaultSchema(placeholders);
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// console.log('[Loader] 生成的 schema:', JSON.stringify(placeholderSchema, null, 2));
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} catch (error) {
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console.error('[Loader] 提取占位符失败:', error);
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placeholderSchema = null;
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}
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// 创建模板对象
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const template: ContractTemplate = {
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id: parseInt(templateId),
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title: title || '合同模板',
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template_code: 'DRAFT-' + templateId,
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category_id: 1,
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file_path: filePath,
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file_format: 'docx',
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description: '起草中的合同',
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is_featured: false,
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created_at: new Date().toISOString(),
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updated_at: new Date().toISOString(),
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placeholder_schema: placeholderSchema as any
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};
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return Response.json({
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draft,
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template,
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returnUrl: `/contract-template/detail/${templateId}`
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});
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}
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/**
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* Action 函数：处理文件删除
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*/
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export async function action({ request, params }: ActionFunctionArgs) {
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const draftId = parseInt(params.draftId || '0');
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if (!draftId) {
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return Response.json({ error: '草稿ID无效' }, { status: 400 });
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}
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// 获取用户信息和JWT
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const { userInfo, frontendJWT } = await getUserSession(request);
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if (!userInfo?.sub) {
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return Response.json({ error: '未登录' }, { status: 401 });
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}
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const jwt = frontendJWT || undefined;
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try {
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const formData = await request.formData();
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const actionType = formData.get('_action') as string;
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if (actionType === 'deleteFile') {
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const filePath = formData.get('filePath') as string;
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if (!filePath) {
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return Response.json({ error: '文件路径缺失' }, { status: 400 });
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}
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// 删除 MinIO 文件，传递 JWT
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await deleteFile({ file_path: filePath }, jwt);
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return Response.json({
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success: true,
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message: '文件删除成功'
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});
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}
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return Response.json({ error: '无效的操作类型' }, { status: 400 });
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} catch (error) {
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console.error('[Action] 操作失败:', error);
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return Response.json(
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{ error: error instanceof Error ? error.message : '操作失败' },
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{ status: 500 }
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);
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}
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}
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export default function ContractDraftPage() {
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const loaderData = useLoaderData<typeof loader>();
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const { draft, template, returnUrl } = loaderData;
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const navigate = useNavigate();
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const fetcher = useFetcher<ActionData>();
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const [placeholderValues, setPlaceholderValues] = useState<Record<string, string>>(
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draft.placeholder_values || {}
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);
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const [highlightValue, setHighlightValue] = useState<string | undefined>(undefined);
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const [aiSuggestionReplace, setAiSuggestionReplace] = useState<{
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searchText: string;
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replaceText: string;
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pageNumber: number;
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} | undefined>(undefined);
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const filePreviewRef = useRef<FilePreviewHandle>(null);
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const hasDeletedNormally = useRef(false); // 标记是否已通过正常流程删除
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const currentPathRef = useRef(window.location.pathname); // 保存当前路由路径
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// 从 fetcher.state 判断是否正在操作
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const isDeleting = fetcher.state !== 'idle';
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// 处理 fetcher 响应（文件删除）
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useEffect(() => {
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if (fetcher.data?.success) {
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// 标记已通过正常流程删除
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hasDeletedNormally.current = true;
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// 文件删除成功，显示提示并跳转
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// toastService.success('合同已完成');
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// 延迟跳转，让用户看到成功提示
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setTimeout(() => {
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if (returnUrl) {
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navigate(returnUrl);
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} else {
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navigate('/contract-template');
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}
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}, 500);
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} else if (fetcher.data?.error) {
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toastService.error(fetcher.data.error);
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}
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}, [fetcher.data, navigate, returnUrl]);
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// 页面卸载或路由切换时清理文件
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useEffect(() => {
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const deleteFileSync = () => {
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// 如果已经通过正常流程删除，不再重复删除
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if (hasDeletedNormally.current || !draft.file_path) {
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return;
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}
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// console.log('[Cleanup] 尝试删除文件:', draft.file_path);
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// console.log('[Cleanup] 使用路径:', currentPathRef.current);
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try {
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// 直接使用同步 XMLHttpRequest 确保删除请求真正执行
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// 使用保存的原始路径，而不是当前的 window.location.pathname（可能已切换）
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const xhr = new XMLHttpRequest();
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xhr.open('POST', currentPathRef.current, false); // false = 同步请求
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const formData = new FormData();
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formData.append('_action', 'deleteFile');
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formData.append('filePath', draft.file_path);
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xhr.send(formData);
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// console.log('[Cleanup] 同步删除完成，状态:', xhr.status);
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if (xhr.status === 200) {
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try {
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const response = JSON.parse(xhr.responseText);
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// console.log('[Cleanup] ✅ 文件删除成功:', response);
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} catch (e) {
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// console.log('[Cleanup] ✅ 文件删除成功（状态码200）');
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}
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} else {
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console.error('[Cleanup] ❌ 文件删除失败，状态码:', xhr.status);
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}
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} catch (error) {
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console.error('[Cleanup] 删除文件失败:', error);
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}
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};
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const handleBeforeUnload = () => {
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deleteFileSync();
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};
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// 监听页面卸载事件
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window.addEventListener('beforeunload', handleBeforeUnload);
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// 清理事件监听器
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return () => {
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window.removeEventListener('beforeunload', handleBeforeUnload);
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// 组件卸载时（路由切换），执行删除
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deleteFileSync();
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};
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}, [draft.file_path]);
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// 单个替换占位符
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const handleSingleReplace = async (key: string, value: string) => {
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const placeholder = `{{${key}}}`;
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console.log(`[Draft] 单个替换: ${placeholder} -> ${value}`);
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// 设置 AI 建议替换参数，触发 FilePreview 中的替换
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setAiSuggestionReplace({
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searchText: placeholder,
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replaceText: value,
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pageNumber: 1 // 从第一页开始搜索
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});
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// 短暂延迟后清除参数，以便下次可以重新触发
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setTimeout(() => {
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setAiSuggestionReplace(undefined);
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// toastService.success(`已替换 ${key}`);
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}, 1000);
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};
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// 字段聚焦时高亮对应占位符
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const handleFieldFocus = (key: string) => {
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const placeholder = `{{${key}}}`;
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console.log(`[Draft] 高亮占位符: ${placeholder}`);
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// 设置高亮值，触发 FilePreview 中的高亮
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setHighlightValue(placeholder);
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// 短暂延迟后清除高亮，以便下次点击可以重新触发
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setTimeout(() => {
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setHighlightValue(undefined);
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}, 100);
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};
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// 导出文档（下载当前编辑的文件）
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const handleExportDocument = async () => {
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if (!draft.file_path) {
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toastService.error('文件路径不存在，无法下载');
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return;
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}
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try {
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toastService.info('正在下载文件...');
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// 使用 axios-client 的 downloadFile 方法下载文件
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const blob = await downloadFile(draft.file_path);
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// 创建Blob URL
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const blobUrl = URL.createObjectURL(blob);
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// 清理文件名
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const fileExtension = draft.file_path.split('.').pop() || 'docx';
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const fileName = `${draft.title}.${fileExtension}`;
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const cleanFileName = fileName.replace(/[<>:"/\\|?*]/g, '_');
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// 创建隐藏的a标签并点击下载
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const a = document.createElement('a');
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a.style.display = 'none';
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a.href = blobUrl;
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a.download = cleanFileName;
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document.body.appendChild(a);
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a.click();
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// 清理
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setTimeout(() => {
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document.body.removeChild(a);
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URL.revokeObjectURL(blobUrl);
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}, 100);
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toastService.success('文件下载成功');
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} catch (error) {
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console.error('[Draft] 下载文件失败:', error);
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toastService.error(`下载文件失败: ${error instanceof Error ? error.message : '未知错误'}`);
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}
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};
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// 完成起草（下载文件 + 删除 MinIO 文件）
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const handleComplete = async () => {
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try {
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// 1. 先下载文件
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await handleExportDocument();
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// 2. 删除 MinIO 文件
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const formData = new FormData();
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formData.append('_action', 'deleteFile');
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formData.append('filePath', draft.file_path);
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fetcher.submit(formData, { method: 'post' });
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} catch (error) {
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console.error('[Complete] 操作失败:', error);
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toastService.error('操作失败，请重试');
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}
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};
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// 返回模板详情页
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const handleBack = () => {
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messageService.show({
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type: 'warning',
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title: '确认返回',
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message: '确定要返回吗？未保存的更改将丢失。',
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confirmText: '确定返回',
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cancelText: '取消',
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onConfirm: () => {
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// 删除 MinIO 文件
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const formData = new FormData();
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formData.append('_action', 'deleteFile');
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formData.append('filePath', draft.file_path);
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fetcher.submit(formData, { method: 'post' });
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// 注意：文件删除后会在 useEffect 中跳转
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}
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});
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};
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return (
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<div className="h-screen flex flex-col bg-gradient-to-br from-gray-50 to-gray-100">
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{/* 顶部工具栏 */}
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<div className="flex items-center justify-between px-8 py-5 bg-white shadow-sm border-b border-gray-100">
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<div className="flex items-center gap-6">
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<button
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onClick={handleBack}
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className="flex items-center gap-2 px-4 py-2.5 text-sm font-medium text-gray-700 bg-white border border-gray-300 rounded-lg hover:bg-gray-50 hover:border-gray-400 active:bg-gray-100 transition-all duration-150 shadow-sm hover:shadow"
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>
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<i className="ri-arrow-left-line text-lg"></i>
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<span>返回</span>
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</button>
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<div className="border-l border-gray-300 h-10"></div>
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<div className="flex flex-col gap-1">
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{/* <h1 className="text-xl font-bold text-gray-900 tracking-tight">{draft.title}</h1> */}
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<h1 className="flex items-center gap-2">
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<i className="ri-file-text-line"></i>
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<span>基于模板：{template.title.replace(/-[\d-]+$/, '')}</span>
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</h1>
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</div>
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</div>
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<div className="flex items-center gap-3">
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<span className="inline-flex items-center gap-2 px-4 py-2 text-sm font-medium rounded-lg bg-gradient-to-r from-blue-50 to-blue-100 text-blue-700 border border-blue-200 shadow-sm">
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<i className="ri-draft-line text-base"></i>
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<span>{draft.status === 'draft' ? '草稿' : draft.status === 'completed' ? '已完成' : '已归档'}</span>
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</span>
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</div>
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</div>
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{/* 主内容区域：左右分栏 */}
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<div className="flex-1 flex overflow-hidden gap-4 p-4">
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{/* 左侧：文档预览（60%） */}
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<div className="w-[60%] bg-white h-full overflow-hidden rounded-xl shadow-lg border border-gray-200">
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<FilePreview
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ref={filePreviewRef}
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fileContent={{
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path: draft.file_path,
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title: draft.title,
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contractNumber: '',
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parties: {
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partyA: { name: '', address: '', representative: '', phone: '' },
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partyB: { name: '', address: '', representative: '', phone: '' }
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},
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sections: []
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}}
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activeReviewPointResultId={null}
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targetPage={undefined}
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isStructuredView={false}
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isTemplate={false} // 编辑模式
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highlightValue={highlightValue}
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aiSuggestionReplace={aiSuggestionReplace}
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/>
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</div>
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{/* 右侧：占位符表单（40%） */}
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<div className="w-[40%] bg-white h-full overflow-hidden rounded-xl shadow-lg border border-gray-200">
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<PlaceholderForm
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schema={template.placeholder_schema as any}
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values={placeholderValues}
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onChange={setPlaceholderValues}
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onComplete={handleComplete}
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isDeleting={isDeleting}
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onSingleReplace={handleSingleReplace}
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onFieldFocus={handleFieldFocus}
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/>
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</div>
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</div>
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</div>
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);
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}
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