cvpilot-tool/apps/desktop/electron/core/db.ts

import path from "node:path";
import { JSONFilePreset } from "lowdb/node";
import { app } from "electron";
import { Low } from "node_modules/lowdb/lib/core/Low";
import { StructuredMetadata } from "./dicom";

interface ICreateDatabase {
  name: string;
}

type SeriesTableType = StructuredMetadata & {
  createTime?: number;
  updateTime?: number;
};

interface DbTable {
  series: SeriesTableType[];
}

const defaultData: DbTable = { series: [] };
export let db: Low<{ series: SeriesTableType[] }>;

export const createDatabase = async (config: ICreateDatabase) => {
  const { name } = config;
  db = await JSONFilePreset(
    path.join(app.getPath("userData"), name),
    defaultData
  );
};

// Update db.json
// await db.update(({ posts }) => posts.push("hello world"));

// Alternatively you can call db.write() explicitely later to write to db.json
// db.data.posts.push("hello world");
// await db.write();

// console.log(db);