LastPayReport.rb

class LastPayReport

  def initialize employees
    @employees = employees
  end

  def get_rows
    @employees.map do |employee|

      employee.compensations.last_two
      row = {}
      row[:full_name] = employee.full_name
      row[:department] = employee.department.nil? ? "" : employee.department.name
      row[:job_title] = employee.job_title.nil? ? "" : employee.job_title.name
      row[:previous_pay] = employee.compensations.last_two[1].nil? ? "" : employee.compensations.last_two[1].pay_rate.to_s << "/" <<  employee.compensations.last_two[1].pay_type.to_s
      row[:current_pay] = employee.compensations.last_two[0].nil? ? "" : employee.compensations.last_two[0].pay_rate.to_s << "/" <<  employee.compensations.last_two[0].pay_type.to_s
      row[:change_date] = employee.compensations.last_two[1].nil? ? "" : employee.compensations.last_two[0].date
      rows << row
    end    
  end
end