import database from "better-sqlite3"; import dotenv from "dotenv"; import fs from "fs"; dotenv.config(); const db_path = process.env.DB_NAME; console.log(db_path); fs.unlink(db_path, (err) => { if (err) { console.error(err); } else { console.log(`deleted old database:\t${db_path}`); const db = database(db_path); db.exec(` create table users( id Text not null primary key, username varchar(40) UNIQUE NOT NULL, name varchar(40) NOT NULL, password varchar(20) NOT NULL ); `); db.exec(` create table sessions( id Text not null primary key, expires_at INTEGER NOT NULL, user_id TEXT NOT NULL, FOREIGN KEY (user_id) REFERENCES users(id) ); `); db.exec(` create table chats( id Text not null primary key, member_id TEXT NOT NULL, FOREIGN KEY (member_id) REFERENCES users(id) ); `); db.exec(` create table messages( id Text not null primary key, send_at INTEGER NOT NULL, message Text not null, send_from TEXT NOT NULL, chat_id TEXT NOT NULL, is_seen TINYINT DEFAULT 0, FOREIGN KEY (send_from) REFERENCES users(id), FOREIGN KEY (chat_id) REFERENCES users(id) ); `); } });