json.disscuss_count @discusses_count
json.comments @discusses do |discuss|
  json.partial! 'comments/discuss', locals: { discuss: discuss, child: discuss.child_discuss(current_user)}
  json.children discuss.child_discuss(current_user) do |c_d|
    json.partial! 'comments/discuss', locals: { discuss: c_d }
  end
end