/**
* Exports the statistics of all mailings for a given campaign ID in CSV format. This function
* will send headers to download the CSV and exit your script after use.
*
* @param int $id The ID of the campaign.
*/
public static function exportStatisticsByCampaignID($id)
{
// set the filename and path
$filename = 'statistics-' . SpoonDate::getDate('YmdHi') . '.csv';
// fetch the addresses by group
$records = array();
$records[] = BackendMailmotorCMHelper::getStatisticsByCampaignID($id);
// unset some records
unset($records[0]['opens'], $records[0]['clicks'], $records[0]['clicks_percentage'], $records[0]['recipients_total'], $records[0]['recipients_percentage']);
// set columns
$columns = array();
$columns[] = BL::msg('MailingCSVRecipients');
$columns[] = BL::msg('MailingCSVUniqueOpens');
$columns[] = BL::msg('MailingCSVUnsubscribes');
$columns[] = BL::msg('MailingCSVBounces');
$columns[] = BL::msg('MailingCSVUnopens');
$columns[] = BL::msg('MailingCSVBouncesPercentage');
$columns[] = BL::msg('MailingCSVUniqueOpensPercentage');
$columns[] = BL::msg('MailingCSVUnopensPercentage');
// set start of the CSV
$csv = BackendCSV::arrayToString($records, $columns);
// fetch all mailings in this campaign
$mailings = BackendModel::getDB()->getRecords(BackendMailmotorModel::QRY_DATAGRID_BROWSE_SENT_FOR_CAMPAIGN, array('sent', $id));
// mailings set
if (!empty($mailings)) {
// set mailings columns
$mailingColumns = array();
$mailingColumns['name'] = BL::lbl('Name');
$mailingColumns['language'] = BL::lbl('Language');
// add the records to the csv string
$csv .= PHP_EOL . 'Mailings:' . PHP_EOL . BackendCSV::arrayToString($mailings, $mailingColumns, array('id', 'campaign_id', 'campaign_name', 'send_on', 'status'));
}
// set headers for download
$headers = array();
$headers[] = 'Content-type: application/octet-stream';
$headers[] = 'Content-Disposition: attachment; filename="' . $filename . '"';
// overwrite the headers
SpoonHTTP::setHeaders($headers);
// output the CSV string
echo $csv;
// exit here
exit;
}
