public function doExecute()
{
$configMemory = $this->registry->getConfig("HARVEST_MEMORY_LIMIT", false, "500M");
ini_set("memory_limit", $configMemory);
echo "\n\nSFX INSTITUTIONAL HOLDINGS POPULATION \n\n";
// You can define the export file on sfx as having an instance extension, so
// give the client the opportunity to define that here
$strInstance = $this->request->getProperty("instance");
if ($strInstance != "") {
$strInstance = "-" . $strInstance;
}
// construct the address to Google Scholar institutional
// holdings file on SFX. Either SFX specific config, or
// general link resolver config.
$configSfx = $this->registry->getConfig("ALTERNATE_FULLTEXT_HARVEST_ADDRESS", false, $this->registry->getConfig("LINK_RESOLVER_ADDRESS", false));
if (!$configSfx) {
throw new Exception("Can not run populate action, no link resolver address configured. " . "Need config ALTERNATE_FULLTEXT_HARVEST_ADDRESS or LINK_RESOLVER_ADDRESS.");
}
// fire-up a transaction with the database
$objData = new Xerxes_DataMap();
$objData->beginTransaction();
// clear old data
echo " Flushing SFX fulltext table . . . ";
$objData->clearFullText();
echo "done.\n";
// try to get the data from sfx
$done = false;
$x = 0;
while ($done == false) {
$x++;
$strUrl = $configSfx . "/cgi/public/get_file.cgi?file=institutional_holding" . $strInstance . '-.prt' . str_pad($x, 2, '0', STR_PAD_LEFT) . ".xml";
echo " Pulling down SFX inst holding file ({$x}) . . . ";
try {
$strResponse = Xerxes_Framework_Parser::request($strUrl);
$objXml = new SimpleXMLElement($strResponse);
} catch (Exception $e) {
if ($x == 1) {
throw new Exception("cannot get institutional holding file from sfx: '{$strUrl}'. " . "If this is the correct SFX server address, make sure your SFX allows access to " . "institutional holding file from this IP address in config/get_file_restriction.config " . "on SFX server.");
}
$done = true;
}
echo "done.\n";
if (!$done) {
echo " Processing file . . . ";
$objItems = $objXml->xpath("//item[@type != 'other']");
if ($objItems == false) {
throw new Exception("could not find items in inst holding file.");
}
echo "done.\n";
echo " Adding to database . . . ";
foreach ($objItems as $objItem) {
foreach ($objItem->coverage as $objCoverage) {
$objFullText = new Xerxes_Data_Fulltext();
$objFullText->issn = (string) $objItem->issn;
$objFullText->issn = str_replace("-", "", $objFullText->issn);
$objFullText->title = (string) $objItem->title;
$objFullText->title = urlencode($objFullText->title);
$objFullText->title = substr(Xerxes_Framework_Parser::strtolower($objFullText->title), 0, 100);
$objFullText->startdate = (int) $objCoverage->from->year;
$objFullText->enddate = (int) $objCoverage->to->year;
if ($objFullText->enddate == 0) {
$objFullText->enddate = 9999;
}
$objFullText->embargo = (int) $objCoverage->embargo->days_not_available;
$objFullText->updated = date("YmdHis");
// add it to the database
$objData->addFulltext($objFullText);
}
}
echo "done.\n";
}
}
echo " Commiting changes . . . ";
$objData->commit();
echo "done.\n";
return 1;
}
