ragvault/dist/helpers/history.js

Securely manage and query your private data using a local vector database. Your private RAG.

import fs from "fs/promises";
import path from "path";
import { HISTORY_DIR } from "../constant/index.js";
export async function getConversationHistory(username) {
    try {
        await fs.mkdir(HISTORY_DIR, { recursive: true });
        const files = await fs.readdir(HISTORY_DIR);
        // Filter files for the specific user
        const userFiles = files.filter((file) => file.startsWith(`chat-${username}-`));
        // Read first question from each file
        const historyFiles = await Promise.all(userFiles.map(async (filename) => {
            const content = await fs.readFile(path.join(HISTORY_DIR, filename), "utf-8");
            try {
                const conversations = JSON.parse(content);
                return {
                    firstQuestion: conversations[0]?.question || "Unknown question",
                    filename,
                    timestamp: filename
                        .split("-")
                        .slice(3)
                        .join("-")
                        .replace(".txt", ""),
                };
            }
            catch (error) {
                return {
                    firstQuestion: "Error reading conversation",
                    filename,
                    timestamp: filename
                        .split("-")
                        .slice(3)
                        .join("-")
                        .replace(".txt", ""),
                };
            }
        }));
        return historyFiles;
    }
    catch (error) {
        console.error("Error getting conversation history:", error);
        return [];
    }
}
export async function readConversationFile(filename) {
    try {
        const filePath = path.join(HISTORY_DIR, filename);
        const content = await fs.readFile(filePath, "utf-8");
        return JSON.parse(content);
    }
    catch (error) {
        console.error("Failed to read conversation file:", error);
        return [];
    }
}
export const saveConversationHistory = async (conversationHistory, username) => {
    try {
        const timestamp = new Date().toISOString().replace(/[:.]/g, "-");
        await fs.mkdir(HISTORY_DIR, { recursive: true });
        const filename = path.join(HISTORY_DIR, `chat-${username}-${timestamp}.txt`);
        await fs.writeFile(filename, JSON.stringify(conversationHistory, null, 2), "utf-8");
        console.log(`\nConversation history saved to: ${filename}`);
    }
    catch (error) {
        console.error("\nFailed to save conversation history:", error);
    }
};