/**
* Saves into the DB all the intrenal links between nodes.
* Before adding the row to the DB, it maps the exported
* id nodes to the imported ones. That's the reason why
* this must be execute AFTER all nodes have been imported.
*
* @param int $courseNewID
*/
private function _saveLinks($courseNewID)
{
if (is_array($this->_linksArray)) {
$this->_logMessage(__METHOD__ . ' Saving internal links for course');
foreach ($this->_linksArray as $num => $linkArray) {
if (isset($this->_courseNodeIDMapping[$linkArray['id_nodo']]) && isset($this->_courseNodeIDMapping[$linkArray['id_nodo_to']])) {
$linkArray['id_nodo'] = $this->_courseNodeIDMapping[$linkArray['id_nodo']];
$linkArray['id_nodo_to'] = $this->_courseNodeIDMapping[$linkArray['id_nodo_to']];
$res = $this->_dh->add_link($linkArray);
if (!AMA_DB::isError($res)) {
if (!isset($this->_recapArray[$courseNewID]['links'])) {
$this->_recapArray[$courseNewID]['links'] = 1;
} else {
$this->_recapArray[$courseNewID]['links']++;
}
$this->_logMessage(__METHOD__ . ' link # ' . $num . ' successfully saved. id_nodo=' . $linkArray['id_nodo'] . ' id_nodo_to=' . $linkArray['id_nodo_to']);
} else {
$this->_logMessage(__METHOD__ . ' link # ' . $num . ' FAILED! id_nodo=' . $linkArray['id_nodo'] . ' id_nodo_to=' . $linkArray['id_nodo_to']);
}
} else {
$this->_logMessage(__METHOD__ . ' could not find a match in the mapping array. id_nodo=' . $linkArray['id_nodo'] . ' id_nodo_to=' . $linkArray['id_nodo_to']);
}
}
} else {
$this->_logMessage(__METHOD__ . ' No links to be saved this time');
}
$this->_linksArray = null;
}
