class PIM::MappingExporter::ExcelListExportDocument

# File mapping-exporter.rb, line 142
def self.matches? mapping, template_asset
  mapping.template_type.to_s == 'LIST' && mapping.content_type == EXCEL_CONTENT_TYPE && template_asset.content_type == EXCEL_CONTENT_TYPE
end

# File mapping-exporter.rb, line 170
def create_workbook
  PIM.log_debug "creating workbook from template at #{template_asset}"
  open_xlsx_workbook(template_asset.path, template_asset.gathering_key)
end

# File mapping-exporter.rb, line 146
def output_content_type
  EXCEL_CONTENT_TYPE
end

# File mapping-exporter.rb, line 150
def start

  @workbook = create_workbook

  @sheet_rows = {}
  if PIM.is_empty?(mapping.template_sheets)
    @sheet_rows[0] = 1
  else
    mapping.template_sheets.each do |sheet|
      @sheet_rows[sheet.name] = sheet.data_row
    end
  end

end

# File mapping-exporter.rb, line 165
def stop
  PIM.log_debug "saving workbook to output"
  save_workbook(workbook, output)
end

# File mapping-exporter.rb, line 175
def write_mapped_item mapped_item

  sheets = Set.new

  mapped_item.mapped_values.each do |mapped_value|

    location = mapped_value[:location]
    sheet, column = split_location(location)

    # TODO: Check if it was possible to only use 'column' or 'external_name' to identify location!
    if PIM.is_empty?(column)
      external_name = mapped_value[:external_name] || '<not set>'
      PIM.log_debug "#{self.class}#write_mapped_item: column is empty for location #{location}, external_name: #{external_name}"
      next
    end

    sheet ||= 0
    row = (sheet_rows[sheet] ||= 1)
    location = "#{column}#{row}"

    value = mapped_value[:mapped_value]
    PIM.log_debug "#{self.class}#write_mapped_item, sheet: #{sheet}, location: #{location}, value: #{value}, value.class: #{value.class}"

    begin
      set_cell_value_at workbook, sheet, "#{location}", value
    rescue Exception => e
      PIM.log_error("Could not set cell value '#{value}' at #{location}", e)
    end

    sheets.add(sheet)

  end

  # Goto next row
  sheets.each do |sheet|
    sheet_rows[sheet] += 1
  end

end