Class: MetadataPresenter::Route

Inherits:
Object
  • Object
show all
Defined in:
app/models/metadata_presenter/route.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(service:, traverse_from:, row: 0, column: 0, previous_flow_uuid: nil, conditional_uuid: nil) ⇒ Route

Returns a new instance of Route.



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# File 'app/models/metadata_presenter/route.rb', line 7

def initialize(service:, traverse_from:, row: 0, column: 0,
               previous_flow_uuid: nil, conditional_uuid: nil)
  @service = service
  @traverse_from = traverse_from
  @row = row
  @column = column
  @previous_flow_uuid = previous_flow_uuid
  @conditional_uuid = conditional_uuid
  @previous_uuids = setup_previous_uuids
  @routes = []
  @flow_uuids = []
end

Instance Attribute Details

#column ⇒ Object

Returns the value of attribute column.



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# File 'app/models/metadata_presenter/route.rb', line 4

def column
  @column
end

#conditional_uuid ⇒ Object

Returns the value of attribute conditional_uuid.



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# File 'app/models/metadata_presenter/route.rb', line 4

def conditional_uuid
  @conditional_uuid
end

#flow_uuids ⇒ Object

Returns the value of attribute flow_uuids.



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# File 'app/models/metadata_presenter/route.rb', line 4

def flow_uuids
  @flow_uuids
end

#previous_flow_uuid ⇒ Object

Returns the value of attribute previous_flow_uuid.



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# File 'app/models/metadata_presenter/route.rb', line 4

def previous_flow_uuid
  @previous_flow_uuid
end

#previous_uuids ⇒ Object

Returns the value of attribute previous_uuids.



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# File 'app/models/metadata_presenter/route.rb', line 4

def previous_uuids
  @previous_uuids
end

#routes ⇒ Object

Returns the value of attribute routes.



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# File 'app/models/metadata_presenter/route.rb', line 4

def routes
  @routes
end

#row ⇒ Object

Returns the value of attribute row.



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# File 'app/models/metadata_presenter/route.rb', line 4

def row
  @row
end

#traverse_from ⇒ Object (readonly)

Returns the value of attribute traverse_from.



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# File 'app/models/metadata_presenter/route.rb', line 3

def traverse_from
  @traverse_from
end

Instance Method Details

#traverse ⇒ Object 



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# File 'app/models/metadata_presenter/route.rb', line 20

def traverse
  @flow_uuid = traverse_from
  index = column
  previous_uuid = previous_flow_uuid || ''

  until @flow_uuid.blank?
    if index > service.flow.size
      ActiveSupport::Notifications.instrument(
        'exceeded_total_flow_objects',
        message: 'Exceeded total number of flow objects'
      )
      break
    end

    @flow_uuids.push(@flow_uuid) unless @flow_uuids.include?(@flow_uuid)
    flow_object = service.flow_object(@flow_uuid)

    if flow_object.branch?
      destinations = branch_destinations(flow_object)
      # Take the first conditional destination and follow that until the end
      # of the route.
      first_conditional = destinations.shift
      set_first_conditional_previous_flow(flow_object.uuid, first_conditional)
      create_destination_routes(
        previous_flow_uuid: flow_object.uuid,
        destinations: destinations,
        row: row,
        column: index
      )

      @flow_uuid = first_conditional[:next]
    else
      @flow_uuid = flow_object.default_next
    end

    unless previous_uuids.key?(flow_object.uuid)
      set_previous_flow(uuid: flow_object.uuid, previous_flow_uuid: previous_uuid)
    end
    previous_uuid = flow_object.uuid
    index += 1
  end

  @flow_uuids
end