ARP - Withdrawing from a user's bank account

bank_account.sma

  new amount = str_to_num(request)
  new bank = ARP_GetUserBank(id)

  if (amount < 1) {
    client_print(id, print_chat, "[ARP] Invalid amount; please enter a whole number.")
    return PLUGIN_HANDLED
  }

  if (amount > bank) {
    client_print(id, print_chat, "[ARP] You do not have enough money in your bank account.")
    return PLUGIN_HANDLED
  }

  ARP_SetUserWallet(id, ARP_GetUserWallet(id) + amount)
  ARP_SetUserBank(id, bank - amount)