def report_handler(update: Update, context: CallbackContext):
""" Get full report of expenses """
Expense.select(fn.SUM(Expense.amount)).scalar()
context.bot.send_message(chat_id=update.effective_chat.id, text="")
def total_handler(update: Update, context: CallbackContext):
""" Return the total spent so far """
total = Expense.select(fn.SUM(Expense.amount)).scalar()
context.bot.send_message(chat_id=update.effective_chat.id,
text=f"Total amount : {total}")