/**
  * Export the eParcel table rates as a CSV file.
  */
 public function exportTableratesAction()
 {
     $rates = Mage::getResourceModel('australia/shipping_carrier_eparcel_collection');
     $response = array(array('Country', 'Region/State', 'Postcodes', 'Weight from', 'Weight to', 'Parcel Cost', 'Cost Per Kg', 'Delivery Type', 'Charge Code Individual', 'Charge Code Business'));
     foreach ($rates as $rate) {
         $countryId = $rate->getData('dest_country_id');
         $countryCode = Mage::getModel('directory/country')->load($countryId)->getIso3Code();
         $regionId = $rate->getData('dest_region_id');
         $regionCode = Mage::getModel('directory/region')->load($regionId)->getCode();
         $response[] = array($countryCode, $regionCode, $rate->getData('dest_zip'), $rate->getData('condition_from_value'), $rate->getData('condition_to_value'), $rate->getData('price'), $rate->getData('price_per_kg'), $rate->getData('delivery_type'), $rate->getData('charge_code_individual'), $rate->getData('charge_code_business'));
     }
     $csv = new Varien_File_Csv();
     $temp = tmpfile();
     foreach ($response as $responseRow) {
         $csv->fputcsv($temp, $responseRow);
     }
     rewind($temp);
     $contents = stream_get_contents($temp);
     $this->_prepareDownloadResponse('tablerates.csv', $contents);
     fclose($temp);
 }