is::generateExportTreeWorld

private function generateExportTreeWorld()
{
	$this->eTreeDB->dropCodeIndex();
	$this->eTreeDB->restoreExportOffset();

	$this->eTreeDB->switchIndexes(false);

	$csv = new ImportCSVReader();
	$csv->loadFile($_SERVER['DOCUMENT_ROOT'].'/locations_data/'.self::WORLD_SOURCE);

	$countries = array();

	while($item = $csv->Fetch())
	{
		$item = explode(',', $item[0]);

		if(!isset($item[1])) // its a language marker
			continue;

		// exclude the following countries, kz we got an extended file for them
		if(in_array($item[2], array('USA', 'Kazakhstan', 'Ukraine', 'Byelorussia', 'Russian Federation', 'Azerbaijan', 'Estonia', 'Georgia', 'Latvia', 'Lithuania', 'Moldavia', 'Turkmenistan', 'Armenia', 'Tadjikistan', 'Uzbekistan')))
			continue;

		$id = implode(':', $item);

		$countries[] = $item[2].' - '.$item[4];

		$this->eTreeDB->insert(array(
			'TYPE_CODE' => 		'COUNTRY',
			'NAME' => 			$item[4],
			'LANGNAMES' => 		serialize(array(
				'RU' => array('NAME' => $item[4]),
				'EN' => array('NAME' => $item[2])
			)),
			'EXTERNALS' =>		'',
			'SOURCE' => 		self::SOURCE_LEGACY,

			'SYS_CODE' => $this->mapETCodeAsLegacy($id),
			'PARENT_SYS_CODE' => ''
		));
	}

	$this->eTreeDB->doneInsert();
	$this->eTreeDB->switchIndexes(true);
}