def<\/span> self<\/span>.<\/span>authenticate<\/span>(<\/span>email<\/span>,<\/span> password<\/span>)<\/span><\/div> user<\/span> =<\/span> find<\/span>(<\/span>:first<\/span>,<\/span> :conditions<\/span> =><\/span> [<\/span>'username = ? OR email = ?'<\/span>,<\/span> email<\/span>.<\/span>to_s<\/span>.<\/span>downcase<\/span>,<\/span> email<\/span>.<\/span>to_s<\/span>.<\/span>downcase<\/span>]<\/span>)<\/span><\/div> user<\/span> &&<\/span> user<\/span>.<\/span>authenticated?<\/span>(<\/span>password<\/span>)<\/span> ?<\/span> user<\/span> :<\/span> nil<\/span><\/div> end<\/span><\/div><\/pre><\/div>\n \n <\/div>\n\n