public static function export(Blueprint $blueprint, $type = "tar", $where = NULL, array $filters = NULL)
{
// NOTE: type=(tar, csv)
$tag = "EntityExporter::export()";
Log::notice("{$tag}");
// create export path
$path_tmp = BPConfig::$path_tmp;
$path_unique = $path_tmp . uniqid("bp") . "/";
$path_export = $path_unique . $blueprint->signature() . "/";
Log::debug("{$tag}: path_export = {$path_export}");
$fields = $blueprint->fields();
// get data to export
try {
$results = EntityExporter::prepareData($blueprint, $where, $filters);
} catch (Exception $e) {
throw $e;
}
// create tmp directory for tar files
if ($type == "tar") {
if (is_writable($path_tmp)) {
if (!mkdir($path_export, 0777, true)) {
throw new Exception("{$tag}: Failed to mkdir: {$path_export}");
}
} else {
throw new Exception("{$tag}: Cannot write to " . $path_tmp);
}
}
// start output buffer
$csv = "";
$csv .= "id,";
// add header row
foreach ($fields as $f) {
$displayAs = $f->getKey();
$csv .= "{$displayAs},";
if ($f->isForeignKey()) {
// Add column header for foreign value
$csv .= $f->getForeignValue() . ",";
}
}
$csv = substr($csv, 0, strlen($csv) - 1);
// remove trailing comma ","
$csv .= "\n";
// add result rows
for ($i = 0; $i < $results->get_num_rows(); $i++) {
$row = $results->get_next_row();
$csv .= $row->id . ",";
foreach ($fields as $f) {
$key = $f->getKey();
// retrieve value
if ($f->isForeignKey()) {
// Insert local value before foreign value
$value = $row->{$key};
$csv .= "{$value},";
// Retrieve foreign value and continue with formatting below...
$foreignValue = str_replace(".", "_", $f->getForeignValue());
$value = $row->{$foreignValue};
} else {
$value = $row->{$key};
}
// format values
if (!empty($value) || $value == 0) {
// format values based on dataType
switch ($f->getDataType()) {
case "int":
if ($f->isForeignKey()) {
$value = "\"{$value}\"";
}
break;
case "string":
// encrypted values
if ($f->getEncType() == "md5" || $f->getEncType() == "sha1") {
$value = "******";
} else {
$value = addslashes($value);
$value = "\"{$value}\"";
}
break;
case "text":
$value = "\"{$value}\"";
break;
case "binary":
// generate filename
$filename_bin = $blueprint->getKey() . "." . $key . "." . $row->id . "." . Binary::extension($f->getMimeType());
// write binary data to file
if ($type == "tar") {
$path_bin = $path_export . $filename_bin;
Log::debug("{$tag}: Creating binary file: {$path_bin}");
if (!file_put_contents($path_bin, $value)) {
Log::warning("{$tag}: Failed to create binary file: {$path_bin}");
}
}
// replace raw data with filename
$value = $filename_bin;
break;
default:
$value = addslashes($value);
}
// TODO: format values based on ListBlueprint formatter
}
// END: if( (!empty($value)) || ($value==0) )
$csv .= "{$value},";
}
$csv = substr($csv, 0, strlen($csv) - 1);
// remove trailing comma ","
$csv .= "\n";
}
// create tar
if ($type == "tar") {
// create blueprint xml file in export path
$path_blueprint = $path_export . $blueprint->signature();
$xmlStr = $blueprint->asXml();
file_put_contents($path_blueprint, $xmlStr);
// create csv file in export path
$path_csv = $path_export . $blueprint->getKey() . ".csv";
file_put_contents($path_csv, $csv);
$path_tar = $path_unique . $blueprint->getKey() . ".tar";
$cmd = "tar --create --directory={$path_unique} --file={$path_tar} --gzip " . $blueprint->signature();
Log::debug("{$tag}: Executing: {$cmd}");
exec($cmd);
// retrieve contents of tar file
$tar = file_get_contents($path_tar);
// cleanup
$glob = glob($path_export . "*");
foreach ($glob as $path_clean) {
if (!unlink($path_clean)) {
Log::warning("{$tag}: Failed to unlink: {$path_clean}");
}
}
if (!rmdir($path_export)) {
Log::warning("{$tag}: Failed to rmdir: {$path_export}");
}
if (!unlink($path_tar)) {
Log::warning("{$tag}: Failed to unlink: {$path_tar}");
}
if (!rmdir($path_unique)) {
Log::warning("{$tag}: Failed to rmdir: {$path_unique}");
}
return $tar;
} else {
if ($type == "csv") {
return $csv;
}
}
}