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/**
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* 合同起草服务
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* 处理草稿创建、更新等业务逻辑
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* 包含文件复制功能(预留 MinIO 实现)
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*/
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import { postgrestGet, postgrestPost, postgrestPut, postgrestDelete } from '~/api/postgrest-client';
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import type { DraftedContract, CreateDraftRequest } from '~/types/contract-draft';
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/**
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* 生成草稿文件路径
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* @param templateFilePath 模板文件路径
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* @param userId 用户ID
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* @param templateId 模板ID
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* @returns 草稿文件路径
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*/
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export function generateDraftFilePath(
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templateFilePath: string,
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userId: number,
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templateId: number
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): string {
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const timestamp = Date.now();
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const fileExtension = templateFilePath.split('.').pop() || 'docx';
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const newFileName = `contract_${templateId}_${userId}_${timestamp}.${fileExtension}`;
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return `drafts/${newFileName}`;
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}
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/**
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* 复制 MinIO 文件(预留实现)
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* @param sourceFilePath 源文件路径
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* @param targetFilePath 目标文件路径
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* @param bucket Bucket 名称
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* @returns 是否成功
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*
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* TODO: 实现 MinIO 文件复制逻辑
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* 1. 安装 minio SDK: npm install minio
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* 2. 创建 MinIO 客户端实例
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* 3. 调用 copyObject 方法复制文件
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*
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* 参考实现:
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* ```typescript
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* import { Client } from 'minio';
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*
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* const minioClient = new Client({
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* endPoint: process.env.MINIO_ENDPOINT || 'localhost',
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* port: parseInt(process.env.MINIO_PORT || '9000'),
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* useSSL: false,
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* accessKey: process.env.MINIO_ACCESS_KEY || '',
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* secretKey: process.env.MINIO_SECRET_KEY || ''
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* });
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*
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* await minioClient.copyObject(
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* bucket,
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* targetFilePath,
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* `/${bucket}/${sourceFilePath}`,
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* null
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* );
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* ```
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*/
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export async function copyMinioFile(
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sourceFilePath: string,
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targetFilePath: string,
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bucket: string = 'docauditai'
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): Promise<boolean> {
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try {
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console.log('[Draft Service] 复制文件(预留实现):', {
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sourceFilePath,
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targetFilePath,
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bucket
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});
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// TODO: 实现 MinIO 文件复制
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// 当前为临时实现,直接返回成功
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console.warn('[Draft Service] ⚠️ 文件复制功能尚未实现,请实施 MinIO 集成');
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return true;
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} catch (error) {
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console.error('[Draft Service] 文件复制失败:', error);
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return false;
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}
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}
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/**
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* 创建起草合同记录
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* @param request 创建请求
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* @param userId 用户ID
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* @param draftFilePath 可选:草稿文件路径(如果不提供,使用模板路径)
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* @returns 创建的记录
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*
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* 使用场景:
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* 1. 不传 draftFilePath:直接使用模板文件路径,在原模板上编辑
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* 2. 传 draftFilePath:使用复制后的文件路径(由文件复制接口提供)
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*/
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export async function createDraftContract(
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request: CreateDraftRequest,
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userId: number,
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draftFilePath?: string,
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jwt?: string
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): Promise<DraftedContract> {
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try {
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// 1. 查询模板信息
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const templateResponse = await postgrestGet('contract_templates', {
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select: 'id,file_path',
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filter: { id: `eq.${request.templateId}` },
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token: jwt
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});
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if (!templateResponse.data || (Array.isArray(templateResponse.data) && templateResponse.data.length === 0)) {
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throw new Error('模板不存在');
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}
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const template = Array.isArray(templateResponse.data) ? templateResponse.data[0] : templateResponse.data;
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// 2. 确定使用的文件路径
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// 如果没有提供草稿路径,直接使用模板路径(适合直接编辑模板的场景)
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// 如果提供了草稿路径,使用复制后的文件路径
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const finalFilePath = draftFilePath || template.file_path;
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console.log('[Draft Service] 创建草稿:', {
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templateId: request.templateId,
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templatePath: template.file_path,
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draftPath: draftFilePath,
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finalPath: finalFilePath,
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mode: draftFilePath ? '使用复制文件' : '直接使用模板文件'
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});
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// 3. 创建草稿记录
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const insertResponse = await postgrestPost('drafted_contracts', {
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body: {
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template_id: request.templateId,
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file_path: finalFilePath,
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title: request.title,
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placeholder_values: {},
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status: 'draft',
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created_by: userId
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},
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select: '*',
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token: jwt
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});
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if (!insertResponse.data) {
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throw new Error('创建草稿记录失败');
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}
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const draft = Array.isArray(insertResponse.data) ? insertResponse.data[0] : insertResponse.data;
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return draft as DraftedContract;
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} catch (error) {
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console.error('[Draft Service] 创建草稿失败:', error);
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throw error;
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}
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}
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/**
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* 删除草稿记录
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* @param draftId 草稿ID
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* @param userId 用户ID
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* @param jwt JWT token
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*/
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export async function deleteDraft(
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draftId: number,
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userId: number,
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jwt?: string
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): Promise<void> {
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try {
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const response = await postgrestDelete('drafted_contracts', {
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filter: {
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id: `eq.${draftId}`,
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created_by: `eq.${userId}` // 确保只能删除自己的草稿
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},
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token: jwt
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});
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console.log('[Draft Service] 草稿已删除:', draftId);
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} catch (error) {
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console.error('[Draft Service] 删除草稿失败:', error);
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throw error;
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}
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}
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/**
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* 获取草稿详情
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* @param draftId 草稿ID
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* @param userId 用户ID
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* @returns 草稿记录
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*/
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export async function getDraftById(
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draftId: number,
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userId: number,
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jwt?: string
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): Promise<DraftedContract | null> {
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try {
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const response = await postgrestGet('drafted_contracts', {
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select: '*',
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filter: {
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id: `eq.${draftId}`,
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created_by: `eq.${userId}`
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},
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token: jwt
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});
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if (!response.data || (Array.isArray(response.data) && response.data.length === 0)) {
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return null;
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}
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const draft = Array.isArray(response.data) ? response.data[0] : response.data;
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return draft as DraftedContract;
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} catch (error) {
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console.error('[Draft Service] 获取草稿失败:', error);
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return null;
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}
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}
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