import sqlite3, json
from datetime import datetime

class Database:
    def __init__(self,path):
        self.path=path
        self.ensure()

    def connect(self): return sqlite3.connect(self.path)

    def ensure(self):
        c=self.connect(); cur=c.cursor()
        cur.execute("CREATE TABLE IF NOT EXISTS users (user_id INTEGER PRIMARY KEY, full_name TEXT)")
        c.commit(); c.close()