class Admins::ImportUserExcel < BaseImportXlsx
  UserData = Struct.new(:name, :phone, :mail, :school, :department, :identity, :student_id)

  def read_each(&block)
    sheet.each_row_streaming(pad_cells: true, offset: 1) do |row|
      data = row.map(&method(:cell_value))[0..7]
      block.call UserData.new(*data)
    end
  end

  private

  def check_sheet_valid!
  end

  def cell_value(obj)
    obj&.cell_value&.presence
  end
end