r2r_api/pbl.js

// ROUTES FOR OUR APIselectClassStudent
// =============================================================================
const express = require("express");
const request = require("request");
const bcrypt = require("bcryptjs");
const router = express.Router(); // get an instance of the express Router
const querystring = require("querystring");
var mysql = require("./mysql");
// const _mysqlLabor = ["183.36.25.93", "pbl"]; //edu數據庫信息
// const _mysqluser = ["183.36.25.93", "cocorobouser"]; //用户数据库信息
// const _getmysqlLabor = ["123.58.32.151", "pbl"]; //edu數據庫信息f
// const _getmysqluser = ["123.58.32.151", "cocorobouser"]; //edu數據庫信息
const _mysqlLabor = ["172.16.12.5", "pbl"]; //edu數據庫信息
const _mysqluser = ["172.16.12.5", "cocorobouser"]; //edu數據庫信息
// const _getmysqlLabor = ["172.16.12.5", "pbl"]; //edu數據庫信息
// const _getmysqluser = ["172.16.12.5", "cocorobouser"]; //edu數據庫信息
const _getmysqlLabor2 = ["172.16.12.7", "pbl"]; //edu數據庫信息
const _getmysqlLabor = ["172.16.12.7", "pbl"]; //edu數據庫信息
const _getmysqluser = ["172.16.12.7", "cocorobouser"]; //edu數據庫信息
const _localhost = ["127.0.0.1", "pbl"]; //edu數據庫信息
const crypto = require("crypto");
const https = require("https");
const { Pool } = require('pg');
const axios = require('axios');
const multer = require("multer");
const {chromium} = require('playwright');
const TurndownService = require('turndown');
const cheerio = require('cheerio');
const { v4: uuidv4 } = require('uuid');

const loginHandler = require('./login'); // 确保路径正确
const { r2rClient } = require("r2r-js");
const client = new r2rClient("https://r2rserver.cocorobo.cn/");

// 配置 multer 存储选项
const storage = multer.diskStorage({
    destination: function (req, file, cb) {
        req.setEncoding('utf-8');
        cb(null, 'uploads/'); // 文件上传目录
    },
    filename: function (req, file, cb) {
        req.setEncoding('utf-8');
        // 使用 Buffer 处理文件名，确保编码正确
        const fileExtension = file.originalname.split('.').pop(); // 获取文件后缀
        const fileNameWithoutExt = Buffer.from(file.originalname.slice(0, -(fileExtension.length + 1)), 'latin1').toString('utf8'); // 转换编码
        cb(null, fileNameWithoutExt + '-' + Date.now() + '.' + fileExtension); // 使用时间戳和原始文件名
    }
});

const upload = multer({
    storage: storage, limits: {
        fileSize: 100 * 1024 * 1024 // 100MB
    }
});

// 全局浏览器实例
let globalBrowser = null;

async function initBrowser() {
    if (!globalBrowser) {
        globalBrowser = await chromium.launch({headless: true});
        console.log('Browser initialized');
    }
    return globalBrowser;
}

router.route("/login").all(async (req, res, next) => {
    loginHandler(req, res)
});

router.route("/logout").all(async (req, res, next) => {
    try {
        const response = await client.users.logout();
        res.status(200).json({ result: response.results });
    } catch (error) {
        res.status(500).json({ error: error instanceof Error ? error.message : "An error occurred" });
    }
});

//获取文档列表
router.route("/getDocument").all(async (req, res, next) => {
    try {
        const response = await client.documents.list({
            limit: 10,
            offset: 0,
        });
        console.log(response);

        res.status(200).json({ result: response.results });
    } catch (error) {
        res.status(500).json({ error: error instanceof Error ? error.message : "An error occurred" });
    }
});

//列出文档块
router.route("/listChunks").all(async (req, res, next) => {
    try {
        const response = await client.documents.listChunks({
            id: "5111165f-965c-5d61-89e3-1f74b0178032",
        });
        console.log(response);

        res.status(200).json({ result: response.results });
    } catch (error) {
        res.status(500).json({ error: error instanceof Error ? error.message : "An error occurred" });
    }
});

//提取实体和关系
router.route("/extract").all(async (req, res, next) => {
    try {
        const response = await client.documents.extract({ id: "5111165f-965c-5d61-89e3-1f74b0178032" })
        console.log(response);

        res.status(200).json({ result: response.results });
    } catch (error) {
        res.status(500).json({ error: error instanceof Error ? error.message : "An error occurred" });
    }
});


router.route("/selectUser").all((req, res, next) => {
    var json = queryString(req.url);
    getmysql(req, res, "selectUser", json["userid"]);
});

// 文件上传接口
router.post('/upload', upload.single('file'), async (req, res) => {
    req.setEncoding('utf-8')
    try {
        console.log(req.file); // 打印上传的文件信息
        console.log(`File path: uploads/${req.file.filename}`);
        const path = require('path');
        const filePath = path.resolve(__dirname, 'uploads', req.file.filename);
        console.log(filePath);

        let filename = Buffer.from(req.file.originalname, 'latin1').toString('utf8');
        const fs = require('fs');
        const file = new File([fs.readFileSync('./uploads/q-1739170522767.doc')], filename, { type: req.file.mimetype });
        const response = await client.documents.create({
            file: file,
            metadata: { title: filename }
        });
        console.log(response);

        res.status(200).json({ message: 'File uploaded successfully', file: req.file });
    } catch (error) {
        res.status(500).json({ error: error instanceof Error ? error.message : "An error occurred" });
    }
});

//获取文档列表
router.route("/getFile").all(async (req, res, next) => {
    //mode的处理
    if (req.body[0]) {
        p = Object.values(req.body[0]);
        p.unshift(_mysqlLabor[0], _mysqlLabor[1], "getFile");
        mysql.usselect(p, async function (ret) {
            let data = ret[0];
            // const array = data.map(item => item.documentid);
            const array = data.map(item => item.documentid);
            try {
                const response = await client.documents.list({ ids: array });
                // const response = await client.collections.listDocuments({ id: req.body[0].folderid });
                // const response = await client.collections.listDocuments({ collection_ids: req.body[0].folderid.split(",") });
                
                // console.log(response);
                let data2 = response.results.map(doc => {
                    doc.documentid = doc.id;
                    delete doc.id;
                    return doc;
                });
                // console.log(data2);

                // 合并data和data2，根据documentid
                const mergedData = data.map(item => {
                    const correspondingDoc = data2.find(doc => doc.documentid === item.documentid);
                    return { ...item, ...correspondingDoc };
                });

                res.status(200).json({ result: mergedData });
            } catch (error) {
                res.status(500).json({ error: error instanceof Error ? error.message : "An error occurred" });
            }
        });
    }
});

//获取文档列表
router.route("/getFileR2r").all(async (req, res, next) => {
    //mode的处理
    if (req.body[0]) {
        let fileid = decodeURIComponent(req.body[0].fileids).split(",");
        try {
            const response = await client.documents.list({ ids: fileid });


            res.status(200).json({ result: response.results });
        } catch (error) {
            res.status(500).json({ error: error instanceof Error ? error.message : "An error occurred" });
        }
    }
});


//获取文档列表
router.route("/getFileD").all(async (req, res, next) => {
    //mode的处理
    if (req.body[0]) {
        p = Object.values(req.body[0]);
        p.unshift(_mysqlLabor[0], _mysqlLabor[1], "getFileD");
        mysql.usselect(p, async function (ret) {
            let data = ret[0];
            // const array = data.map(item => item.documentid);
            const array = data.map(item => item.documentid);
            try {
                const response = await client.documents.list({ ids: array });
                // const response = await client.collections.listDocuments({ id: req.body[0].folderid });
                // const response = await client.collections.listDocuments({ collection_ids: req.body[0].folderid.split(",") });
                
                // console.log(response);
                let data2 = response.results.map(doc => {
                    doc.documentid = doc.id;
                    delete doc.id;
                    return doc;
                });
                // console.log(data2);

                // 合并data和data2，根据documentid
                const mergedData = data.map(item => {
                    const correspondingDoc = data2.find(doc => doc.documentid === item.documentid);
                    return { ...item, ...correspondingDoc };
                });

                res.status(200).json({ result: mergedData });
            } catch (error) {
                res.status(500).json({ error: error instanceof Error ? error.message : "An error occurred" });
            }
        });
    }
});

//获取文档列表
router.route("/getFileArray").all(async (req, res, next) => {
    //mode的处理
    if (req.body[0]) {
        // const array = data.map(item => item.documentid);
        try {
            let data = decodeURIComponent(req.body[0].array).split(",");
            
            const response = await client.documents.list({ ids: data });

            res.status(200).json({ result: response.results });
        } catch (error) {
            res.status(500).json({ error: error instanceof Error ? error.message : "An error occurred" });
        }
    }
});


//获取文档列表
router.route("/getFileD2").all(async (req, res, next) => {
    //mode的处理
    if (req.body) {
        p = [req.body.uid, req.body.folderid, req.body.n, req.body.page, req.body.num];
        p.unshift(_mysqlLabor[0], _mysqlLabor[1], "getFileD");
        mysql.usselect(p, async function (ret) {
            let data = ret[0];
            // const array = data.map(item => item.documentid);
            const array = data.map(item => item.documentid);
            try {
                const response = await client.documents.list({ ids: array });
                // const response = await client.collections.listDocuments({ id: req.body[0].folderid });
                // const response = await client.collections.listDocuments({ collection_ids: req.body[0].folderid.split(",") });
                
                // console.log(response);
                let data2 = response.results.map(doc => {
                    doc.documentid = doc.id;
                    delete doc.id;
                    return doc;
                });
                // console.log(data2);

                // 合并data和data2，根据documentid
                const mergedData = data.map(item => {
                    const correspondingDoc = data2.find(doc => doc.documentid === item.documentid);
                    return { ...item, ...correspondingDoc };
                });

                res.status(200).json({ result: mergedData });
            } catch (error) {
                res.status(500).json({ error: error instanceof Error ? error.message : "An error occurred" });
            }
        });
    }
});


//获取文档列表
router.route("/getFileD2").all(async (req, res, next) => {
    //mode的处理
    if (req.body) {
        p = [req.body.uid, req.body.folderid, req.body.n, req.body.page, req.body.num];
        p.unshift(_mysqlLabor[0], _mysqlLabor[1], "getFileD");
        mysql.usselect(p, async function (ret) {
            let data = ret[0];
            // const array = data.map(item => item.documentid);
            const array = data.map(item => item.documentid);
            try {
                const response = await client.documents.list({ ids: array });
                // const response = await client.collections.listDocuments({ id: req.body[0].folderid });
                // const response = await client.collections.listDocuments({ collection_ids: req.body[0].folderid.split(",") });
                
                // console.log(response);
                let data2 = response.results.map(doc => {
                    doc.documentid = doc.id;
                    delete doc.id;
                    return doc;
                });
                // console.log(data2);

                // 合并data和data2，根据documentid
                const mergedData = data.map(item => {
                    const correspondingDoc = data2.find(doc => doc.documentid === item.documentid);
                    return { ...item, ...correspondingDoc };
                });

                res.status(200).json({ result: mergedData });
            } catch (error) {
                res.status(500).json({ error: error instanceof Error ? error.message : "An error occurred" });
            }
        });
    }
});



//获取文档列表
router.route("/getFileOpen").all(async (req, res, next) => {
    //mode的处理
    if (req.body[0]) {
        p = Object.values(req.body[0]);
        p.unshift(_mysqlLabor[0], _mysqlLabor[1], "getFileOpen");
        mysql.usselect(p, async function (ret) {
            let data = ret[0];
            let user = ret[1];
            // const array = data.map(item => item.documentid);
            const array = data.map(item => item.documentid);
            try {
                const response = await client.documents.list({ ids: array });
                
                let data2 = response.results.map(doc => {
                    doc.documentid = doc.id;
                    delete doc.id;
                    return doc;
                });

                // 合并data和data2，根据documentid
                const mergedData = data.map(item => {
                    const correspondingDoc = data2.find(doc => doc.documentid === item.documentid);
                    return { ...item, ...correspondingDoc };
                });

                res.status(200).json({ result: mergedData, user: user });
            } catch (error) {
                res.status(500).json({ error: error instanceof Error ? error.message : "An error occurred" });
            }
        });
    }
});

//获取文档列表2
router.route("/getFileP").all(async (req, res, next) => {
    //mode的处理
    if (req.body) {
        p = [req.body.uid, req.body.folderid, req.body.n, req.body.page, req.body.num];
        p.unshift(_mysqlLabor[0], _mysqlLabor[1], "getFile");
        mysql.usselect(p, async function (ret) {
            let data = ret[0];
            // const array = data.map(item => item.documentid);
            try {
                // const response = await client.documents.list({ collection_ids: [req.body.folderid] });
                const response = await client.collections.listDocuments({ id: req.body[0].folderid });
                // console.log(response);
                let data2 = response.results.map(doc => {
                    doc.documentid = doc.id;
                    delete doc.id;
                    return doc;
                });

                // 合并data和data2，根据documentid
                const mergedData = data.map(item => {
                    const correspondingDoc = data2.find(doc => doc.documentid === item.documentid);
                    return { ...item, ...correspondingDoc };
                });

                res.status(200).json({ result: mergedData });
            } catch (error) {
                res.status(500).json({ error: error instanceof Error ? error.message : "An error occurred" });
            }
        });
    }
});

//获取能关联的文件
router.route("/getFile2").all(async (req, res, next) => {
    //mode的处理
    if (req.body[0]) {
        p = Object.values(req.body[0]);
        p.unshift(_mysqlLabor[0], _mysqlLabor[1], "getFile2");
        mysql.usselect(p, async function (ret) {
            let data = ret[0];
            const array = data.map(item => item.documentid);
            try {
                const response = await client.documents.list({ ids: array });
                // const response = await client.documents.list({ collection_ids: [req.body[0].folderid] });
                // console.log(response);
                let data2 = response.results.map(doc => {
                    doc.documentid = doc.id;
                    delete doc.id;
                    return doc;
                });

                // 合并data和data2，根据documentid
                const mergedData = data.map(item => {
                    const correspondingDoc = data2.find(doc => doc.documentid === item.documentid);
                    return { ...item, ...correspondingDoc };
                });

                res.status(200).json({ result: mergedData });
            } catch (error) {
                res.status(500).json({ error: error instanceof Error ? error.message : "An error occurred" });
            }
        });
    }
});

//添加文件夹
router.route("/addFolder").all(async (req, res, next) => {
    //mode的处理
    if (req.body[0]) {
        try {
            const response = await client.collections.create({
                name: decodeURIComponent(req.body[0].n),
                description: decodeURIComponent(req.body[0].fd)
            });
            p = [...Object.values(req.body[0]), response.results.id];
            p.unshift(_mysqlLabor[0], _mysqlLabor[1], "addFolder");
            mysql.usselect(p, async function (ret) {
                res.end(JSON.stringify(ret));
            });

        } catch (error) {
            res.status(500).json({ error: error instanceof Error ? error.message : "An error occurred" });
        }

    }
});

//添加文件夹
router.route("/addFolderP").all(async (req, res, next) => {
    //mode的处理
    if (req.body) {
        try {
            const response = await client.collections.create({
                name: decodeURIComponent(req.body.n),
                description: decodeURIComponent(req.body.fd)
            });
            p = [req.body.n, req.body.fd, req.body.uid, req.body.im , response.results.id];
            p.unshift(_mysqlLabor[0], _mysqlLabor[1], "addFolder");
            mysql.usselect(p, async function (ret) {
                res.end(JSON.stringify(ret));
            });

        } catch (error) {
            res.status(500).json({ error: error instanceof Error ? error.message : "An error occurred" });
        }

    }
});

//删除文件夹
router.route("/deleteFolder").all(async (req, res, next) => {
    //mode的处理
    if (req.body[0]) {
        try {
            const folderids = decodeURIComponent(req.body[0].folderids).split(",");
            const ids = req.body[0].ids;

            // 并行处理文件夹下的文件删除和文件夹删除
            await Promise.all(folderids.map(async folderid => {
                const files = await client.collections.listDocuments({ id: folderid, offset: 0, limit: 999 });
                await Promise.all(files.results.map(file =>
                    client.collections.removeDocument({ id: folderid, documentId: file.id })
                ));
            }));

            await Promise.all(folderids.map(folderid => client.collections.delete({ id: folderid })));

            const params = [_mysqlLabor[0], _mysqlLabor[1], "deleteFolder", ids];
            mysql.usselect(params, async function (ret) {
                res.end(JSON.stringify(ret));
            });

        } catch (error) {
            res.status(500).json({ error: error instanceof Error ? error.message : "An error occurred" });
        }

    }
});

//修改文件夹
router.route("/updateFolder").all(async (req, res, next) => {
    //mode的处理
    if (req.body[0]) {
        try {
            const { folderid, ...folderData } = req.body[0]; // 解构赋值，排除folderid
            const response = await client.collections.update({
                id: folderid,
                name: decodeURIComponent(req.body[0].n),
                description: decodeURIComponent(req.body[0].d)
            });

            p = Object.values(folderData); // 获取剩余属性的键

            p.unshift(_mysqlLabor[0], _mysqlLabor[1], "updateFolder2");
            mysql.usselect(p, async function (ret) {
                res.end(JSON.stringify(ret));
            });

        } catch (error) {
            res.status(500).json({ error: error instanceof Error ? error.message : "An error occurred" });
        }

    }
});


//修改文件夹
router.route("/updateFolder2").all(async (req, res, next) => {
    //mode的处理
    if (req.body[0]) {
        try {
            const { folderid, ...folderData } = req.body[0]; // 解构赋值，排除folderid
            const response = await client.collections.update({
                id: folderid,
                name: decodeURIComponent(req.body[0].n),
                description: decodeURIComponent(req.body[0].d)
            });

            p = Object.values(folderData); // 获取剩余属性的键

            p.unshift(_mysqlLabor[0], _mysqlLabor[1], "updateFolder3");
            mysql.usselect(p, async function (ret) {
                res.end(JSON.stringify(ret));
            });

        } catch (error) {
            res.status(500).json({ error: error instanceof Error ? error.message : "An error occurred" });
        }

    }
});

//修改文件夹
router.route("/updateFolder3").all(async (req, res, next) => {
    //mode的处理
    if (req.body[0]) {
        try {
            const { folderid, ...folderData } = req.body[0]; // 解构赋值，排除folderid
            const response = await client.collections.update({
                id: folderid,
                name: decodeURIComponent(req.body[0].n),
                description: decodeURIComponent(req.body[0].d)
            });

            p = Object.values(folderData); // 获取剩余属性的键

            p.unshift(_mysqlLabor[0], _mysqlLabor[1], "updateFolder4");
            mysql.usselect(p, async function (ret) {
                res.end(JSON.stringify(ret));
            });

        } catch (error) {
            res.status(500).json({ error: error instanceof Error ? error.message : "An error occurred" });
        }

    }
});


//移除文件
router.route("/removeFile").all(async (req, res, next) => {
    if (req.body[0]) {
        let documentids = decodeURIComponent(req.body[0].documentids).split(",");
        let folderid = req.body[0].folderid;
        let ids = req.body[0].ids;

        // 使用 Promise.all 确保所有删除操作都被执行
        const removePromises = documentids.map(documentid =>
            client.collections.removeDocument({ id: folderid, documentId: documentid })
        );

        // 不管client.documents报错没有也要执行removeFile
        Promise.all(removePromises).catch(error => {
            console.error("移除文件时发生错误:", error);
        });

        p = [ids, folderid];
        p.unshift(_mysqlLabor[0], _mysqlLabor[1], "removeFile");
        mysql.usselect(p, async function (ret) {
            res.end(JSON.stringify(ret));
        });
    }
});

//移入文件
router.route("/moveFile").all(async (req, res, next) => {
    if (req.body[0]) {
        try {
            let documentids = decodeURIComponent(req.body[0].documentids).split(",")
            let folderid = req.body[0].folderid
            let ids = decodeURIComponent(req.body[0].ids).split(",")

            // 使用 Promise.all 确保所有添加操作都被执行
            await Promise.all(documentids.map(documentid =>
                client.collections.addDocument({
                    id: folderid,
                    documentId: documentid
                }).catch(error => {
                    console.error("移动文件时发生错误:", error);
                })
            ));

            for (const id of ids) {
                p = [id, folderid];
                p.unshift(_mysqlLabor[0], _mysqlLabor[1], "moveFile");
                await mysql.usselect(p, async function (ret) { });
            }
            res.status(200).json({ messages: "移动成功" });

        } catch (error) {
            // 这里不返回错误，确保deleteFile执行完
            console.error("处理过程中发生错误:", error);
        }
    }
});

//删除文件
router.route("/deleteFile").all(async (req, res, next) => {
    if (req.body[0]) {
        let documentids = decodeURIComponent(req.body[0].documentids).split(",");
        let ids = req.body[0].ids;

        // 使用 Promise.all 确保所有删除操作都被执行
        Promise.all(documentids.map(documentid =>
            client.documents.delete({ id: documentid }).catch(error => {
                console.error("删除文件时发生错误:", error);
            })
        ));

        p = [ids];
        p.unshift(_mysqlLabor[0], _mysqlLabor[1], "deleteFile");
        mysql.usselect(p, async function (ret) {
            res.end(JSON.stringify(ret));
        });

    }
});

//删除文件
router.route("/deleteFileByFilter").all(async (req, res, next) => {
    if (req.body[0]) {
        let documentids = decodeURIComponent(req.body[0].documentids).split(",");
        let ids = req.body[0].ids;

        client.documents.deleteByFilter({ filters: {"document_id": { "$in": documentids }} }).then(() => {
            console.log("文件删除成功");
        }).catch(error => {
            console.error("删除文件时发生错误:", error);
        })

        p = [ids];
        p.unshift(_mysqlLabor[0], _mysqlLabor[1], "deleteFile");
        mysql.usselect(p, async function (ret) {
            res.end(JSON.stringify(ret));
        });

    }
});

router.route("/getFolder").all((req, res, next) => {
    getmysql2(req, res, "getFolder", req.body.uid);
});

router.route("/getFolder2").all((req, res, next) => {
    var json = queryString(req.url);
    getmysql2(req, res, "getFolder", json['uid']);
});


router.route("/getFolderPage").all((req, res, next) => {
    getmysql2(req, res, "getFolderPage2", req.body[0].uid, req.body[0].n, req.body[0].sub, req.body[0].class, req.body[0].page, req.body[0].num);
});

router.route("/getFolderPage3").all((req, res, next) => {
    getmysql2(req, res, "getFolderPage3", req.body[0].uid, req.body[0].n, req.body[0].sub, req.body[0].class, req.body[0].tag, req.body[0].page, req.body[0].num);
});
router.route("/getFolderPage32").all((req, res, next) => {
    var json = queryString(req.url);
    getmysql2(req, res, "getFolderPage3", json['uid'], json['n'], json['sub'], json['class'], json['tag'], json['page'], json["num"]);
});

router.route("/getFolderPageOpen").all((req, res, next) => {
    getmysql2(req, res, "getFolderPageOpen", req.body[0].uid, req.body[0].n, req.body[0].sub, req.body[0].class, req.body[0].tag, req.body[0].page, req.body[0].num);
});

router.route("/getFolderPageOpen2").all((req, res, next) => {
    getmysql2(req, res, "getFolderPageOpen2", req.body[0].uid, req.body[0].n, req.body[0].sub, req.body[0].class, req.body[0].tag, req.body[0].juri2, req.body[0].page, req.body[0].num);
});

router.route("/haveFile").all((req, res, next) => {
    postmysql(req, res, "haveFile");
});

router.route("/haveFolder").all((req, res, next) => {
    postmysql(req, res, "haveFolder");
});


//search文件
router.route("/searchFile").all(async (req, res, next) => {
    if (req.body) {
        try {
            let filters = {}
            if (req.body.type == 1) {
                filters = { "document_id": { "$in": req.body.ids } }
            } else if (req.body.type == 2) {
                filters = { "collection_ids": { "$in": req.body.ids } }
            }
            const response = await client.retrieval.search({
                query: req.body.query,
                search_settings: {
                    filters: filters,
                    useSemanticSearch: true,
                    chunkSettings: {
                        limit: req.body.limit ? req.body.limit : 10,
                        enabled: true
                    },
                }
            });
            res.status(200).json({ result: response.results });

        } catch (error) {
            res.status(500).json({ error: error instanceof Error ? error.message : "An error occurred" });
        }

    }
});

//提取文件实体
router.route("/extractFile").all(async (req, res, next) => {
    if (req.body) {
        try {
            const response = client.documents.extract({
                id: req.body.id
            })
            res.status(200).json({ result: response.results });

        } catch (error) {
            res.status(500).json({ error: error instanceof Error ? error.message : "An error occurred" });
        }

    }
});

//添加上传好的知识库文件
router.route("/addFile").all((req, res, next) => {
    getmysql2(req, res, "add_file", req.body.n, req.body.did, req.body.uid, req.body.fid, req.body.mofid);
})

//获取文件详情
router.route("/getFileDetail").all(async (req, res, next) => {
    if (req.body[0]) {
        p = Object.values(req.body[0]);
        p.unshift(_mysqlLabor[0], _mysqlLabor[1], "getFileDetail");
        mysql.usselect(p, async function (ret) {
            let data = ret[0][0];
            // const array = data.map(item => item.documentid);
            try {
                const response = await client.documents.list({ ids: [req.body[0].documentId] });
                // console.log(response);
                let data2 = response.results[0]

                // 合并data和data2，根据documentid
                const mergedData = { ...data, ...data2 };

                res.status(200).json({ result: mergedData });
            } catch (error) {
                res.status(500).json({ error: error instanceof Error ? error.message : "An error occurred" });
            }
        });
    }
});

//获取切片
router.route("/getChunks").all(async (req, res, next) => {
    if (req.body[0]) {
        try {
            const { page = 1, limit = 10, documentId } = req.body[0];
            const offset = (page - 1) * limit;
            const response = await client.documents.listChunks({
                id: documentId,
                includeVectors: false,
                offset,
                limit,
            });
            res.status(200).json({ result: response });

        } catch (error) {
            res.status(500).json({ error: error instanceof Error ? error.message : "An error occurred" });
        }

    }
});

//获取实体
router.route("/getEntities").all(async (req, res, next) => {
    if (req.body[0]) {
        try {
            const { page = 1, limit = 10, documentId } = req.body[0];
            const offset = (page - 1) * limit;
            const response = await client.documents.listEntities({
                id: documentId,
                includeVectors: false,
                offset,
                limit,
            });
            res.status(200).json({ result: response });

        } catch (error) {
            res.status(500).json({ error: error instanceof Error ? error.message : "An error occurred" });
        }

    }
});


//获取关系
router.route("/getRelationships").all(async (req, res, next) => {
    if (req.body[0]) {
        try {
            const { page = 1, limit = 10, documentId } = req.body[0];
            const offset = (page - 1) * limit;
            const response = await client.documents.listRelationships({
                id: documentId,
                includeVectors: false,
                offset,
                limit,
            });
            res.status(200).json({ result: response });

        } catch (error) {
            res.status(500).json({ error: error instanceof Error ? error.message : "An error occurred" });
        }

    }
});

//提取整个文件夹的关系
router.route("/resetGraphs").all(async (req, res, next) => {
    if (req.body[0]) {
        try {
            // const response = await client.graphs.pull({
            //     collectionId: req.body[0].collectionId,
            // });
            const response = await client.graphs.reset({
                collectionId: req.body[0].collectionId,
            });
            
            res.status(200).json({ result: response });

        } catch (error) {
            res.status(500).json({ error: error instanceof Error ? error.message : "An error occurred" });
        }

    }
});

//获取整个文件夹的关系
router.route("/getRelationshipsGraphs").all(async (req, res, next) => {
    if (req.body[0]) {
        try {
            await client.graphs.pull({
                collectionId: req.body[0].collectionId,
            });
            const response = await client.graphs.listRelationships({
                collectionId: req.body[0].collectionId,
                offset: req.body[0].page ? req.body[0].page : 0,
                limit: 1000
            });
            res.status(200).json({ result: response });

        } catch (error) {
            res.status(500).json({ error: error instanceof Error ? error.message : "An error occurred" });
        }

    }
});


//提取知识图谱
router.route("/getGraphs").all(async (req, res, next) => {
    console.log(req.body);
    
    //mode的处理
    if (req.body[0]) {
        try {
            //创建临时文件夹
            const folder = await client.collections.create({
                name: "临时文件夹",
                description: "临时文件夹"
            });
            let folderid = folder.results.id
            console.log(folder.results.id);
            
            //将要提取的文件添加到临时文件夹
            let documentids = decodeURIComponent(req.body[0].fileids).split(",");
            // 使用 Promise.all 确保所有添加操作都被执行
            await Promise.all(documentids.map(documentid =>
                client.collections.addDocument({
                    id: folderid,
                    documentId: documentid
                }).catch(error => {
                    console.error("移动文件时发生错误:", error);
                })
            ));

            //将临时文件夹提取知识图谱
            await client.graphs.pull({
                collectionId: folderid
            });
            let offset = 0;
            let results = [];
            let totalEntries = 0;
            do {
                const response = await client.graphs.listRelationships({
                    collectionId: folderid,
                    offset: offset,
                    limit: 1000
                });
                results = results.concat(response.results);
                totalEntries = response.totalEntries;
                offset += 1000;
            } while (offset < totalEntries);

            //移除临时文件夹的文件
            const files = await client.collections.listDocuments({ id: folderid, offset: 0, limit: 999 });
            await Promise.all(files.results.map(file =>
                client.collections.removeDocument({ id: folderid, documentId: file.id })
            ));

            //删除临时文件夹
            await client.collections.delete({ id: folderid });

            res.status(200).json({ result: results });

        } catch (error) {
            res.status(500).json({ error: error instanceof Error ? error.message : "An error occurred" });
        }

    }
});


//提取知识图谱
router.route("/getGraphs2").all(async (req, res, next) => {
    console.log(req.body);
    
    //mode的处理
    if (req.body[0]) {
        try {

            let documentIds = decodeURIComponent(req.body[0].fileids).split(",");

            // 使用 Promise.all 并通过 map 返回新的 results 数组
            let results = await Promise.all(documentIds.map(async documentId => {
                try {
                    const response = await client.documents.listRelationships({
                        id: documentId,
                        includeVectors: false,
                        offset: 0,
                        limit: 1000,  // 修正这里的参数
                    });
                    return response.results;
                } catch (error) {
                    console.error(`Error fetching relationships for documentId ${documentId}:`, error);
                    return [];  // 返回空数组
                }
            }));
            
            // 使用 flat() 合并所有数组
            results = results.flat();
            
            res.status(200).json({ result: results });

        } catch (error) {
            res.status(500).json({ error: error instanceof Error ? error.message : "An error occurred" });
        }

    }
});


//获取实体和关系
router.route("/getEntitiesAndRelationships").all(async (req, res, next) => {
    if (req.body[0]) {
        try {
            const { documentId } = req.body[0];
            const offset = (page - 1) * limit;
            const response = await client.documents.listEntities({
                id: documentId,
                includeVectors: false,
            });
            const response2 = await client.documents.listRelationships({
                id: documentId,
                includeVectors: false,
            });
            res.status(200).json({ Entities: response, Relationships: response2 });

        } catch (error) {
            res.status(500).json({ error: error instanceof Error ? error.message : "An error occurred" });
        }

    }
});


//提取功能
router.route("/extractFile2").all(async (req, res, next) => {
    try {
        let setting = {}
        if(req.body[0].prompt){
            setting.graph_extraction_prompt = decodeURIComponent(req.body[0].prompt)
        }
        console.log(setting);
        
        const response = await client.documents.extract({ id: req.body[0].documentid, setting });
        console.log(response);

        res.status(200).json({ result: response.results });
    } catch (error) {
        res.status(500).json({ error: error instanceof Error ? error.message : "An error occurred" });
    }
});

//复制文件夹
router.route("/copyFolder").all(async (req, res, next) => {
    if (req.body[0]) {

        const response = await client.collections.create({
            name: decodeURIComponent(req.body[0].n),
            description: decodeURIComponent(req.body[0].fd)
        });
        let folderid = response.results.id;
        p2 = [req.body[0].folderid]
        p2.unshift(_mysqlLabor[0], _mysqlLabor[1], "selectFolderFile");
        mysql.usselect(p2, async function (ret2) {
            let file = ret2[0]
            if (file.length) {
                let documentids = file.map(item => item.documentid);
                // 使用 Promise.all 确保所有添加操作都被执行
                await Promise.all(documentids.map(documentid =>
                    client.collections.addDocument({
                        id: folderid,
                        documentId: documentid
                    }).catch(error => {
                        console.error("移动文件时发生错误:", error);
                    })
                ));
            }

            let ids = file.map(item => item.fileid);
            console.log(ids);
            
            p = [req.body[0].n, req.body[0].fd, req.body[0].uid, 2, folderid, req.body[0].folderid, ids.join(",")];
            p.unshift(_mysqlLabor[0], _mysqlLabor[1], "addFolder2");
            mysql.usselect(p, async function (ret) {
                res.end(JSON.stringify(ret));
            });
        });

    }
});


// 下载文件功能
router.route("/downloadFile").all(async (req, res, next) => {
    var json = queryString(req.url);
    let params = {
        documentid: (json && json['documentid'] || req.body[0].documentid),
        filename: (json && json['filename'] || req.body[0].filename),
    };
    try {
        const response = await client.documents.download({ id: params.documentid });
        console.log(response);

        // 根据response的类型设置Content-Type
        const contentType = response.type || 'application/octet-stream';
        res.setHeader('Content-Type', contentType);
        res.setHeader('Content-Disposition', `attachment; filename="${encodeURIComponent(params.filename)}"`);
        
        // 直接发送blob数据
        res.send(Buffer.from(await response.arrayBuffer()));
    } catch (error) {
        console.error("下载文件时发生错误:", error);
        res.status(500).json({ error: error instanceof Error ? error.message : "发生错误" });
    }
});

// 下载文件功能
router.route("/downloadFile2").all(async (req, res, next) => {
    var json = queryString(req.url);
    let params = {
        documentid: (json && json['documentid'] || req.body[0].documentid),
        filename: (json && json['filename'] || req.body[0].filename),
    };
    try {
        const response = await client.documents.download({ id: params.documentid });
        console.log(response);

        // 直接返回blob数据
        res.setHeader('Content-Type', response.type || 'application/octet-stream');
        res.setHeader('Content-Disposition', `attachment; filename="${encodeURIComponent(params.filename)}"`);
        
        const buffer = Buffer.from(await response.arrayBuffer());
        res.send(buffer); // 发送blob数据

    } catch (error) {
        console.error("下载文件时发生错误:", error);
        res.status(500).json({ error: error instanceof Error ? error.message : "发生错误" });
    }
});

//召回测试
router.route("/ragFolder").all(async (req, res, next) => {
    let reqJson = req.body[0]
    if (reqJson) {
        reqJson.query = decodeURIComponent(reqJson.query)
        try {
            let filters = {}
            if (reqJson.type == 1) {
                filters = { "document_id": { "$in": reqJson.ids.split(",") } }
            } else if (reqJson.type == 2) {
                filters = { "collection_ids": { "$in": reqJson.ids.split(",") } }
            } else if (reqJson.type == 3) {
                filters = { "collection_ids": { "$eq": reqJson.ids } }
            }

            console.log(111);
            
            const response = await client.retrieval.search({
                query: reqJson.query,
                // searchMode: reqJson.useType == 1 ? 'basic' : reqJson.useType == 2 ? 'custom' : 'advanced',
                // searchMode: 'basic',
                searchSettings: {
                    useHybridSearch: reqJson.useType == 3,
                    useSemanticSearch: reqJson.useType == 1 || reqJson.useType == 2 || reqJson.useType == 3,
                    useFullTextSearch: reqJson.useType == 2 || reqJson.useType == 3,
                    hybrid_settings: {
                        fullTextWeight: reqJson.fullTextWeight ? reqJson.fullTextWeight : 1,
                        semanticWeight: reqJson.semanticWeight ? reqJson.semanticWeight : 5,
                    },
                    filters: filters,
                    limit: reqJson.limit ? reqJson.limit : 100,
                },
                ragGenerationConfig: {
                    stream: false,
                    temperature: reqJson.temperature ? reqJson.temperature : 0,
                    maxTokens: reqJson.tokens ? reqJson.tokens : 5000
                }
            });
            // res.status(200).json({ result: response.results });
            
            p = [reqJson.userid, reqJson.ids, encodeURIComponent(JSON.stringify(reqJson)), encodeURIComponent(JSON.stringify(response.results))];
            p.unshift(_mysqlLabor[0], _mysqlLabor[1], "addRagData");
            mysql.usselect(p, async function (ret) {
                res.status(200).json({ result: response.results });
            });
        } catch (error) {
            console.log(error);
            
            res.status(500).json({ error: error instanceof Error ? error.message : "An error occurred" });
        }

    }
});

//召回测试
router.route("/searchFolder").all(async (req, res, next) => {
    let reqJson = req.body[0]
    if (reqJson) {
        try {
            let filters = {}
            let documentids = reqJson.documentids ? decodeURIComponent(reqJson.documentids).split(",").filter(id => id) : [];
            let folderids = reqJson.folderids ? decodeURIComponent(reqJson.folderids).split(",").filter(id => id) : [];
            filters = {
                "$or": [
                    { "collection_ids": { "$in": folderids } },
                    { "document_id": { "$in": documentids } }
                ]
            };

            let params = {
                query: reqJson.query,
                searchSettings: {
                    useHybridSearch: reqJson.useType == 3,
                    useSemanticSearch: reqJson.useType == 1 || reqJson.useType == 2 || reqJson.useType == 3,
                    useFullTextSearch: reqJson.useType == 1 || reqJson.useType == 2 || reqJson.useType == 3,
                    hybrid_settings: {
                        fullTextWeight: reqJson.fullTextWeight ? reqJson.fullTextWeight : 1,
                        semanticWeight: reqJson.semanticWeight ? reqJson.semanticWeight : 5,
                    },
                    filters: filters,
                    limit: reqJson.limit ? reqJson.limit : 100,
                },
                ragGenerationConfig: {
                    stream: false,
                    temperature: reqJson.temperature ? reqJson.temperature : 0,
                    maxTokens: reqJson.tokens ? reqJson.tokens : 5000
                }
            }
            // console.log(params);
            
            const response = await client.retrieval.search(params);
            res.status(200).json({ result: response.results });
            
        } catch (error) {
            console.log(error);
            
            res.status(500).json({ error: error instanceof Error ? error.message : "An error occurred" });
        }

    }
});

//召回测试
router.route("/searchFolder2").all(async (req, res, next) => {
    let reqJson = req.body
    if (Object.keys(reqJson).length) {
        try {
            let filters = {}
            let documentids = reqJson.documentids ? reqJson.documentids.split(",").filter(id => id) : [];
            let folderids = reqJson.folderids ? reqJson.folderids.split(",").filter(id => id) : [];
            filters = {
                "$or": [
                    { "collection_ids": { "$in": folderids } },
                    { "document_id": { "$in": documentids } }
                ]
            };
            if(!folderids.length && !documentids.length){
                res.status(200).json({ result: [] });
                return
            }
            let params = {
                query: reqJson.query,
                searchSettings: {
                    useHybridSearch: reqJson.useType == 3,
                    useSemanticSearch: reqJson.useType == 1 || reqJson.useType == 2 || reqJson.useType == 3,
                    useFullTextSearch: reqJson.useType == 1 || reqJson.useType == 2 || reqJson.useType == 3,
                    hybrid_settings: {
                        fullTextWeight: reqJson.fullTextWeight ? reqJson.fullTextWeight : 1,
                        semanticWeight: reqJson.semanticWeight ? reqJson.semanticWeight : 5,
                    },
                    filters: filters,
                    limit: reqJson.limit ? reqJson.limit : 100,
                },
                ragGenerationConfig: {
                    stream: false,
                    temperature: reqJson.temperature ? reqJson.temperature : 0,
                    maxTokens: reqJson.tokens ? reqJson.tokens : 5000
                }
            }
            // console.log(params);
            
            const response = await client.retrieval.search(params);
            res.status(200).json({ result: response.results });
            
        } catch (error) {
            console.log(error);
            
            res.status(500).json({ error: error instanceof Error ? error.message : "An error occurred" });
        }

    }else{
        res.status(200).json({ result: "请传参" });
    }
});

//召回测试
router.route("/searchFolder3").all(async (req, res, next) => {
    let reqJson = req.body[0]
    if (reqJson) {
        reqJson.query = decodeURIComponent(reqJson.query)
        try {
            let filters = {}
            let documentids = reqJson.documentids ? decodeURIComponent(reqJson.documentids).split(",").filter(id => id) : [];
            let folderids = reqJson.folderids ? decodeURIComponent(reqJson.folderids).split(",").filter(id => id) : [];
            filters = {
                "$or": [
                    { "collection_ids": { "$in": folderids } },
                    { "document_id": { "$in": documentids } }
                ]
            };
            if(!folderids.length && !documentids.length){
                res.status(200).json({ result: [] });
                return
            }
            let params = {
                query: reqJson.query,
                searchSettings: {
                    useHybridSearch: reqJson.useType == 3,
                    useSemanticSearch: reqJson.useType == 1 || reqJson.useType == 2 || reqJson.useType == 3,
                    useFullTextSearch: reqJson.useType == 1 || reqJson.useType == 2 || reqJson.useType == 3,
                    hybrid_settings: {
                        fullTextWeight: reqJson.fullTextWeight,
                        semanticWeight: reqJson.semanticWeight,
                    },
                    filters: filters,
                    limit: reqJson.limit ? reqJson.limit : 100,
                },
                ragGenerationConfig: {
                    stream: false,
                    temperature: reqJson.temperature ? reqJson.temperature : 0,
                    maxTokens: reqJson.tokens ? reqJson.tokens : 5000
                }
            }
            // console.log(params);
            
            const response = await client.retrieval.search(params);
            
            p = [reqJson.userid, reqJson.folderids, encodeURIComponent(JSON.stringify(reqJson)), encodeURIComponent(JSON.stringify(response.results))];
            p.unshift(_mysqlLabor[0], _mysqlLabor[1], "addRagData");
            mysql.usselect(p, async function (ret) {
                res.status(200).json({ result: response.results });
            });
        } catch (error) {
            console.log(error);
            
            res.status(500).json({ error: error instanceof Error ? error.message : "An error occurred" });
        }

    }
});


//召回测试
router.route("/searchFolder32").all(async (req, res, next) => {
    let reqJson = req.body[0]
    if (reqJson) {
        reqJson.query = decodeURIComponent(reqJson.query)
        try {
            let filters = {}
            let documentids = reqJson.documentids ? decodeURIComponent(reqJson.documentids).split(",").filter(id => id) : [];
            let folderids = reqJson.folderids ? decodeURIComponent(reqJson.folderids).split(",").filter(id => id) : [];
            filters = {
                "$or": [
                    { "collection_ids": { "$in": folderids } },
                    { "document_id": { "$in": documentids } }
                ]
            };
            if(!folderids.length && !documentids.length){
                res.status(200).json({ result: [] });
                return
            }
            let params = {
                query: reqJson.query,
                searchSettings: {
                    useHybridSearch: reqJson.useType == 3,
                    useSemanticSearch: reqJson.useType == 1 || reqJson.useType == 2 || reqJson.useType == 3,
                    useFullTextSearch: reqJson.useType == 1 || reqJson.useType == 2 || reqJson.useType == 3,
                    hybrid_settings: {
                        fullTextWeight: reqJson.fullTextWeight,
                        semanticWeight: reqJson.semanticWeight,
                    },
                    filters: filters,
                    limit: reqJson.limit ? reqJson.limit : 100,
                },
                ragGenerationConfig: {
                    stream: false,
                    temperature: reqJson.temperature ? reqJson.temperature : 0,
                    maxTokens: reqJson.tokens ? reqJson.tokens : 5000
                }
            }
            console.log(params);
            
            const response = await client.retrieval.search(params);
            res.status(200).json({ result: response.results });
            
            // p = [reqJson.userid, reqJson.folderids, encodeURIComponent(JSON.stringify(reqJson)), encodeURIComponent(JSON.stringify(response.results))];
            // p.unshift(_mysqlLabor[0], _mysqlLabor[1], "addRagData");
            // mysql.usselect(p, async function (ret) {
            // });
        } catch (error) {
            console.log(error);
            
            res.status(500).json({ error: error instanceof Error ? error.message : "An error occurred" });
        }

    }
});
//获取召回测试数据
router.route("/getRagData").all(async (req, res, next) => {
    //mode的处理
    if (req.body[0]) {
        p = Object.values(req.body[0]);
        p.unshift(_mysqlLabor[0], _mysqlLabor[1], "getRagData");
        mysql.usselect(p, async function (ret) {
            res.status(200).json(ret);
        });
    }
});

//删除召回测试数据
router.route("/delRagData").all(async (req, res, next) => {
    //mode的处理
    if (req.body[0]) {
        p = Object.values(req.body[0]);
        p.unshift(_mysqlLabor[0], _mysqlLabor[1], "delRagData");
        mysql.usselect(p, async function (ret) {
            res.status(200).json(ret);
        });
    }
});


function generateAPIKey(username) {
    let timeStamp = new Date().getTime();

    let hashStr = timeStamp + username;

    let digest = crypto
        .createHash("sha256")
        .update(hashStr, "utf8")
        .digest("hex");

    return digest;
}

queryString = function (url) {
    var a = url.split("?");
    var json = querystring.parse(a[1]);
    return json;
};

//post存儲過程處理
postmysql = function (req, res, functionname) {
    //mode的處理
    if (req.body[0]) {
        p = Object.values(req.body[0]);
        p.unshift(_mysqlLabor[0], _mysqlLabor[1], functionname);
        //執行存儲過程
        mysql.usselect(p, function (ret) {
            res.end(JSON.stringify(ret));
        });
    }
};

//post存儲過程處理
postmysql2 = function (req, res, functionname) {
    //mode的處理
    if (req.body) {
        p = Object.values(req.body)[0].split(",");
        p.unshift(_mysqlLabor[0], _mysqlLabor[1], functionname);
        //執行存儲過程
        mysql.usselect(p, function (ret) {
            res.end(JSON.stringify(ret));
        });
    }
};

//post存儲過程處理
postmysql3 = function (req, res, functionname) {
    //mode的處理
    if (req.body) {
        console.log(req);
        p = Object.values(req.body);
        p.unshift(_mysqlLabor[0], _mysqlLabor[1], functionname);
        //執行存儲過程
        mysql.usselect(p, function (ret) {
            res.end(JSON.stringify(ret));
        });
    }
};

//get獲取數據庫信息
getmysql = function (req, res, functionname, ...p) {
    p = p || [];
    p.unshift(_getmysqlLabor[0], _getmysqlLabor[1], functionname);
    //執行存儲過程
    mysql.usselect(p, function (ret) {
        res.end(JSON.stringify(ret));
    }); //
};

//get獲取數據庫信息
getmysql2 = function (req, res, functionname, ...p) {
    p = p || [];
    p.unshift(_mysqlLabor[0], _mysqlLabor[1], functionname);
    //執行存儲過程
    mysql.usselect(p, function (ret) {
        res.end(JSON.stringify(ret));
    }); //
};

//get獲取數據庫信息
getmysql3 = function (req, res, functionname, ...p) {
    p = p || [];
    p.unshift(_getmysqlLabor2[0], _getmysqlLabor2[1], functionname);
    //執行存儲過程
    mysql.usselect(p, function (ret) {
        res.end(JSON.stringify(ret));
    }); //
};


//post存储过程处理

userpostmysql = function (req, res, functionname) {
    //mode的处理

    if (req.body.mode) {
        p = req.body.mode.split(",");

        p.unshift(_mysqluser[0], _mysqluser[1], functionname);

        //执行存储过程

        mysql.usselect(p, function (ret) {
            res.end(JSON.stringify(ret));
        });
    }
};

//get获取数据库信息

usergetmysql = function (req, res, functionname, ...p) {
    p = p || [];

    p.unshift(_mysqluser[0], _mysqluser[1], functionname);

    //执行存储过程

    mysql.usselect(p, function (ret) {
        res.end(JSON.stringify(ret));
    }); //
};

//post存儲過程處理
postmysqlLocal = function (req, res) {
    //mode的處理
    if (req.body[0]) {
        p = Object.values(req.body[0]);
        p.unshift(_localhost[0], _localhost[1]);
        //執行存儲過程
        mysql.usselect(p, function (ret) {
            res.end(JSON.stringify(ret));
        });
    }
};

postmysqlOnline = function (req, res) {
    //mode的處理
    if (req.body[0]) {
        p = Object.values(req.body[0]);
        p.unshift(_mysqlLabor[0], _mysqlLabor[1]);
        //執行存儲過程
        mysql.usselect(p, function (ret) {
            res.end(JSON.stringify(ret));
        });
    }
};

// 新增测试接口，直接返回成功
router.post('/knowledge-base/html-to-markdown', upload.none(), async (req, res) => {
    // console.log('收到的 req.body:', req.body);
    // console.log('收到的 req.files:', req.files);
    // console.log('收到的 headers:', req.headers);
    const requestUrl = req.body.url; // 前端传入 url
    if (!requestUrl) {
        return res.status(400).json({error: 'Missing url'});
    }
    const browser = await initBrowser();
    const page = await browser.newPage();
    try {
            console.log("开始抓取页面:", requestUrl);
            // await page.goto(requestUrl, {waitUntil: 'networkidle'});
            await page.goto(requestUrl);
            const html = await page.content();
            // 新增：HTML 转 Markdown
            const turndownService = new TurndownService();
            // 用 cheerio 只提取正文部分
            const cheerioDoc = cheerio.load(html);
            let mainHtml = cheerioDoc('main').html() || cheerioDoc('article').html() || cheerioDoc('#content').html() || cheerioDoc('.content').html() || cheerioDoc('.post').html() || cheerioDoc('body').html();
            // 用 cheerio 过滤无关标签
            const cheerioMain = cheerio.load(mainHtml || '');
            cheerioMain('style, script, noscript, iframe, link, header, footer, nav, form, .ads, .advertisement').remove();
            mainHtml = cheerioMain.html();
            const markdownContent = turndownService.turndown(mainHtml);
            // 新增：解析 <title> 标签内容
            let title = '';
            const titleMatch = html.match(/<title>([\s\S]*?)<\/title>/i);
            if (titleMatch && titleMatch[1]) {
                title = titleMatch[1].trim();
            }
            let finalTitle;
            if (title && title.trim()) {
                finalTitle = title + '.md';
            } else {
                finalTitle = 'untitled-' + uuidv4() + '.md';
            }
            console.log("抓取到的内容长度:", html.length, "markdown的内容长度:", markdownContent.length);
            // 解析用户传入的参数
            const {
                collection_ids,
                id: customId,
                metadata: customMetadata,
                ingestion_mode,
                run_with_orchestration
            } = req.body;
            // 处理 metadata 字段
            let finalMetadata = customMetadata;
            if (typeof finalMetadata === 'string') {
                try {
                    finalMetadata = JSON.parse(finalMetadata);
                } catch (e) {
                    return res.status(400).json({ error: 'metadata 不是合法的 JSON 字符串' });
                }
            }
        // if (!finalMetadata) {
        //     finalMetadata = {
        //         title: title || uuidv4(),
        //         // source_url: url,
        //         content_type: "markdown",
        //         // scraped_at: new Date().toISOString(),
        //         // upload_id: Date.now() + '-' + Math.random()
        //     };
        // }
            // 处理 collection_ids 字段
            let finalCollectionIds = collection_ids;
            if (typeof finalCollectionIds === 'string') {
                try {
                    finalCollectionIds = JSON.parse(finalCollectionIds);
                } catch (e) {
                    // 不是合法 JSON 字符串就当作普通字符串
                }
            }
            // 如果 metadata 里没有 collection_ids，但用户传了 collection_ids，则加进去
            if (finalCollectionIds && Array.isArray(finalCollectionIds)) {
                finalMetadata.collection_ids = finalCollectionIds;
            }

            // 补全 finalMetadata.title 和 content_type
            if (!finalMetadata.title) {
            finalMetadata.title = finalTitle;
            }
            finalMetadata.content_type = 'markdown';

            // 用 axios 发送 multipart/form-data 方式上传到 r2r
            const FormData = require('form-data');
            const fs = require('fs');
            const path = require('path');
        const tmpFilePath = path.join(__dirname, `${title || 'untitled'}-${uuidv4()}.md`);
            fs.writeFileSync(tmpFilePath, markdownContent, 'utf8');
            const form = new FormData();
        form.append('file', fs.createReadStream(tmpFilePath), finalTitle);
            if (finalCollectionIds && Array.isArray(finalCollectionIds)) {
                form.append('collection_ids', JSON.stringify(finalCollectionIds));
            }
            if (customId) {
                form.append('id', customId);
            }
            form.append('metadata', JSON.stringify(finalMetadata));
            form.append('ingestion_mode', ingestion_mode || 'fast');
            form.append('run_with_orchestration', 'false');
            // 打印上传参数，方便排查问题
        console.log('Request Headers:', form.getHeaders());
            const url = 'https://r2rserver.cocorobo.cn/v3/documents';
            const response = await axios.post(url, form, {
                headers: {
                    ...form.getHeaders(),
                // 'User-Agent': 'NodeClient/1.0'
                }
            });
            fs.unlinkSync(tmpFilePath);
            result = {
            results: response.data.results,
            title: finalTitle
            }
            res.json(result);
        } catch (error) {
            console.error('Message:', error.message);
            console.error('Stack:', error.stack);
            res.status(500).json({error: error.message});
        } finally {
            await page.close(); // 确保页面总是被关闭
        }
});

module.exports = router;