def link_to_next_page(scope, name, options = {})
params = options.delete(:params) || (Rack::Utils.parse_query(env['QUERY_STRING']).symbolize_keys rescue {})
param_name = options.delete(:param_name) || Kaminari.config.param_name
placeholder = options.delete(:placeholder)
unless scope.last_page?
query = params.merge(param_name => scope.next_page)
link_to name, env['PATH_INFO'] + (query.empty? ? '' : "?#{query.to_query}"), options.reverse_merge(:rel => 'next')
else
placeholder.to_s.html_safe
end
end