ama-team / cookbook-linux-user-management

        class Group

          # Planner for group privileges

          class Privilege

            # @param [AMA::Chef::User::Model::Group] group

            # @param [Hash{Symbol, AMA::Chef::User::Model::Privilege}] current_state

            # @param [Hash{Symbol, AMA::Chef::User::Model::Privilege}] desired_state

            def plan(group, current_state, desired_state)

              actions = (current_state.keys | desired_state.keys).map do |type|

                process(group, current_state[type], desired_state[type])

              end

              actions.push(ns::Purge.new(group)) if desired_state.empty?

              actions

            end

            private

            # @param [AMA::Chef::User::Model::Group] group

            # @param [AMA::Chef::User::Model::Privilege] current_state

            # @param [AMA::Chef::User::Model::Privilege] desired_state

            def process(group, current_state, desired_state)

              return ns::Revoke.new(group, current_state) if desired_state.nil?

              ns::Grant.new(group, desired_state)

            end

            def ns

              ::AMA::Chef::User::Action::Group::Privilege

            end

          end

        end