import sqlite3
from pathlib import Path

class DatabaseHandler:
    def __init__(self, db_path="cell_data.db"):
        # add code for initializing database connection
        pass


    def get_cell_capacity_nom(self, cell_id):
        # add code for getting nominal cell capacity from database
        pass

    def get_cell_capacity(self, cell_id):
        # add code for getting cell capacity from database
        pass


    def update_cell_capacity(self, cell_id, estimated_capacity_mah):
        # add code for updating cell capacity in database
        pass