If your friend is in danger from her husband, then she should contact the National Domestic Violence Hotline immediately at 1-800-799-SAFE. If she is not in immediate danger then you might suggest she find an Al-Anon meeting as soon as possible
He does not seem willing to address his issues. That is very unfortunate, but there is no reason that your friend is consigned to be collateral damage to his addiction and other issues. No one can make him stop drinking or get help, and until he decides that he is willing to do anything to recover, this situation will only get worse.