list.rb

  def run(command=:all)
    query = {}
    options = {:include => self.tables, :conditions => self.to_condition}
    options.merge!({:select => :id}) if command == :count
    query[:id_in]      = ids if ids && !ids.empty?
    query[:id_not_in]  = exclude_ids if exclude_ids && !exclude_ids.empty?
    results = Applicant.search
    if !query.keys.empty?
      query.each { |scope, ids| results = results.send(scope, ids)  }
      results = results.all
    else 
      results = []
    end
    results = (results + Applicant.all(*options)).uniq if self.to_condition
    command == :count ? results.count : results
  end