/**
* 配列をCSV形式で書き出す
* @param array $arr 書き込むCSVの配列
* ＠access public
* @see CsvWriter::write()
*/
function write($arr)
{
static $b = false;
if (!$b) {
// 初回の書き込みの場合
$b = true;
$headers = array();
foreach ($this->format as $key => $params) {
$headers[] = $params['name'];
}
parent::write($headers);
}
$csv = array();
foreach ($this->format as $key => $params) {
$csv[$key] = $this->filter($arr[$key], $params);
}
parent::write($csv);
}
/**
* Root function for any export results action
*
* @param mixed $iSurveyId
* @param mixed $sLanguageCode
* @param csv|doc|pdf|xls $sExportPlugin Type of export
* @param FormattingOptions $oOptions
* @param string $sFilter
*/
function exportSurvey($iSurveyId, $sLanguageCode, $sExportPlugin, FormattingOptions $oOptions, $sFilter = '')
{
//Do some input validation.
if (empty($iSurveyId)) {
safeDie('A survey ID must be supplied.');
}
if (empty($sLanguageCode)) {
safeDie('A language code must be supplied.');
}
if (empty($oOptions)) {
safeDie('Formatting options must be supplied.');
}
if (empty($oOptions->selectedColumns)) {
safeDie('At least one column must be selected for export.');
}
//echo $oOptions->toString().PHP_EOL;
$writer = null;
$iSurveyId = sanitize_int($iSurveyId);
if ($oOptions->output == 'display') {
header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
header("Pragma: public");
}
switch ($sExportPlugin) {
case "doc":
$writer = new DocWriter();
break;
case "xls":
$writer = new ExcelWriter();
break;
case "pdf":
$writer = new PdfWriter();
break;
case "csv":
default:
$writer = new CsvWriter();
break;
}
$surveyDao = new SurveyDao();
$survey = $surveyDao->loadSurveyById($iSurveyId);
$writer->init($survey, $sLanguageCode, $oOptions);
$iBatchSize = 100;
$iCurrentRecord = $oOptions->responseMinRecord - 1;
$bMoreRecords = true;
$first = true;
while ($bMoreRecords) {
$iExported = $surveyDao->loadSurveyResults($survey, $iBatchSize, $iCurrentRecord, $oOptions->responseMaxRecord, $sFilter);
$iCurrentRecord += $iExported;
$writer->write($survey, $sLanguageCode, $oOptions, $first);
$first = false;
$bMoreRecords = $iExported == $iBatchSize;
}
$result = $writer->close();
if ($oOptions->output == 'file') {
return $writer->filename;
} else {
return $result;
}
}
