opengovernment/askthem

class Candidate < Person
  # useful for finding the current office holder id that candidate opposes
  attr_accessor :current_office_holder_name

  belongs_to :current_office_holder, class_name: "Person", inverse_of: :opponents

  field :party, type: String

  # these are populated by copying fields from current office holder
  field :ocd_division_id, type: String
  field :running_for_position, type: String
  # TODO: this should be really be declared on person
  # but requires some investigation of ramifications
  field :active, type: Boolean, default: false

  before_create :set_active

  # for now, returns no results
  def self.for_location(location)
    location = LocationFormatter.new(location).format
    return where(id: [])
  end

  def political_position_title
    representing_area = metadatum.read_attribute(:name)

    if has_district?
      representing_area += ", District #{current_office_holder.most_recent_district}, "
    end

    "Candidate for #{representing_area} #{running_for_position}"
  end

  private
  def has_district?
    current_office_holder &&
    current_office_holder.respond_to?(:most_recent_district) &&
    current_office_holder.most_recent_district
  end

  def set_active
    write_attribute :active, true
  end
end