refactored.ls

$scope.select_sitting_year = ($scope.sitting_year) ->
  $scope.sittings_month = latest_months_of_sittings do
    sittings
    ...$scope<[ committee sitting_year ]>
  $scope.select_sitting_month do
    select_possible_option do
      $scope.sittings_month
      $scope.sitting_month

$scope.select_sitting_month = ($scope.sitting_month) ->
  $scope.sittings_day = latest_days_of_sittings do
    sittings
    ...$scope<[ committee sitting_year sitting_month ]>
  $scope.select_sitting_day do
    select_possible_option days, $scope.sitting_day

$scope.select_sitting_day = ($scope.sitting_day) ->
  $scope.sittings_sitting =
    latest_sittings_of_sittings do
      sittings
      ...$scope<[ committee sitting_year sitting_month sitting_day ]>
  $scope.select_sitting_sitting do
    select_possible_option do
      $scope.sittings_sitting
      $scope.sitting_sitting
  $scope.select_committee do
    committee_of_sitting sitting

$scope.select_sitting_sitting = ($scope.sitting_sitting) ->
  $scope.sitting_sitting_summary =
    format_sitting_summary $scope.sitting_sitting

$scope.select_committee = ($scope.committee) ->
  $scope.sittings_year =
    latest_years_of_sittings sittings, $scope.committee
  $scope.select_sitting_year do
    select_possible_option do
      $scope.sittings_year
      $scope.sitting_year

$scope.select_committee!