public function doExecute()
{
// in case this is being called from the web, plaintext
if ($this->request->isCommandLine() == false) {
header("Content-type: text/plain");
}
// set a higher than normal memory limit to account for
// pulling down large knowledgebases
$configMemory = $this->registry->getConfig("HARVEST_MEMORY_LIMIT", false, "500M");
ini_set("memory_limit", $configMemory);
echo "\n\nMETALIB KNOWLEDGEBASE PULL \n\n";
// get configuration settings
$this->configInstitute = $this->registry->getConfig("METALIB_INSTITUTE", true);
$this->configPortal = $this->registry->getConfig("METALIB_PORTAL", false, $this->configInstitute);
$this->configLanguages = $this->registry->getConfig("LANGUAGES", false);
$this->configChunk = $this->registry->getConfig("CHUNK_KB_PULL", false, false);
$configMetalibAddress = $this->registry->getConfig("METALIB_ADDRESS", true);
$configMetalibUsername = $this->registry->getConfig("METALIB_USERNAME", true);
$configMetalibPassword = $this->registry->getConfig("METALIB_PASSWORD", true);
// metalib search object
$this->objSearch = new Xerxes_MetaSearch($configMetalibAddress, $configMetalibUsername, $configMetalibPassword);
// data map
$objData = new Xerxes_DataMap();
// clear the cache, while we're at it
echo " Pruning cache table . . . ";
$status = $objData->pruneCache();
if ($status != 1) {
throw new Exception("could not prune cache");
} else {
echo "done\n";
}
// now the real kb stuff
$objData->beginTransaction();
$arrSubjects = array();
// array of category and subcategory value objects
$arrTypes = array();
// array of type value objects
$arrDatabases = array();
// array of datatbase value objects
echo " Flushing KB tables . . . ";
$objData->clearKB();
echo "done\n";
echo " Fetching types . . . ";
$arrTypes = $this->types();
foreach ($arrTypes as $objType) {
$objData->addType($objType);
}
echo "done\n";
echo " Fetching databases . . . ";
$arrDatabases = $this->databases();
foreach ($arrDatabases as $objDatabase) {
$objData->addDatabase($objDatabase);
}
echo "done\n";
echo " Fetching categories and assigning databases . . . ";
$languages = array(array("code" => "eng", "locale" => "C"));
if ($this->configLanguages != null) {
$languages = $this->configLanguages->language;
}
foreach ($languages as $language) {
$locale = (string) $language["locale"];
$code = (string) $language["code"];
$oldlocale = setlocale(LC_CTYPE, 0);
setlocale(LC_CTYPE, $locale);
// this influences the iconv() call with 'ASCII//TRANSLIT' target
$arrSubjects = $this->subjects($arrDatabases, $code);
foreach ($arrSubjects as $objCategory) {
$objData->addCategory($objCategory);
}
setlocale(LC_CTYPE, $oldlocale);
}
echo "done\n";
echo " Synching user saved databases . . . ";
$objData->synchUserDatabases();
echo "done\n";
echo " Committing changes . . . ";
$objData->commit();
echo "done\n";
return 1;
}
