json.(@bank, :id, :name, :description, :task_type, :is_public)
# 附件
json.authorize @bank.user_id == current_user.id || current_user.admin_or_business?
json.attachments @bank_attachments do |attachment|
  json.partial! "attachments/attachment_simple", locals: {attachment: attachment}
end

# 分组要求
if @bank.task_type == 2
  json.group_info do
    json.max_number @bank.max_num
    json.min_number @bank.min_num
    json.base_on_project @bank.base_on_project
  end
end
