/**
* Save the course_discipline_assocs
* @param $discipline
* @param $request
* @return true if ready for saving, false otherwise
*/
protected function parseDisAssoc(Discipline $discipline, sfWebRequest $request)
{
$conn = Propel::getConnection();
// retrieve existing assoc objects
$criteria = new Criteria();
$criteria->addAscendingOrderByColumn(CourseDisciplineAssociationPeer::YEAR_OF_STUDY);
$criteria->addAscendingOrderByColumn(CourseDisciplineAssociationPeer::COURSE_ID);
$extObjs = $discipline->getCourseDisciplineAssociations($criteria, $conn);
$delList = $extObjs;
for ($year = 1; $year <= 4; $year++) {
// first get an array of items
$itemArr = array();
$token = strtok($request->getParameter("assoc[" . $year . "]"), $this->separator);
while ($token !== false) {
if (trim($token) != "") {
$itemArr[] = $token;
}
$token = strtok($this->separator);
}
// check which ones exist, which ones are new and which ones need deletion
foreach ($itemArr as $item) {
$cCode = substr($item, 0, 8);
$existed = false;
foreach ($extObjs as $obj) {
if ($obj->getCourseId() == $cCode && $obj->getYearOfStudy() == $year) {
$existed = true;
$key = array_search($obj, $delList);
if ($key !== false) {
unset($delList[$key]);
}
break;
}
}
if (!$existed) {
// save the new assoc
$assoc = new CourseDisciplineAssociation();
$assoc->setCourseId($cCode);
$assoc->setDisciplineId($discipline->getId());
$assoc->setYearOfStudy($year);
$assoc->save($conn);
}
}
}
// delete old assocs that no longer exist
foreach ($delList as $obj) {
$obj->delete($conn);
}
return true;
}
