public function fetchCompatible()
{
$conn = Propel::getConnection();
$rawSectionData = CourseSectionPeer::getSectionsForTerm($this->_term, $conn);
$this->_compatibleSections = array();
// first we need to group the raw data by courses
$count = count($rawSectionData);
$groupedSectionArr = array();
for ($i = 0; $i < $count; $i++) {
$sectionObj = $rawSectionData[$i];
if ($i == 0 || $groupedSectionArr["course"] != $sectionObj->getCourseId()) {
if ($i != 0) {
// now that we know the number of total LEC, TUT and PRA, we can
// begin to eliminate the incompatible ones
$groupedSectionArr = getCompatibleSlotsForCourse($groupedSectionArr);
if (isset($groupedSectionArr)) {
$this->_compatibleSections[] = $groupedSectionArr;
}
}
// get the array ready for the next course
$groupedSectionArr = array();
$groupedSectionArr["course"] = $sectionObj->getCourseId();
} elseif ($i == $count - 1) {
// store the last row
$sectionType = $sectionObj->getSectionType();
if (!isset($groupedSectionArr[$sectionType])) {
$groupedSectionArr[$sectionType] = array();
}
$sectionNum = $sectionObj->getSectionNum();
$meetTime = $sectionObj->getMeetTime();
if (isset($groupedSectionArr[$sectionType][$sectionNum])) {
$groupedSectionArr[$sectionType][$sectionNum][] = $meetTime;
} else {
$groupedSectionArr[$sectionType][$sectionNum] = array($meetTime);
}
// begin eliminating the incompatible ones
$groupedSectionArr = getCompatibleSlotsForCourse($groupedSectionArr);
if (isset($groupedSectionArr)) {
$this->_compatibleSections[] = $groupedSectionArr;
}
}
$sectionType = $sectionObj->getSectionType();
if (!isset($groupedSectionArr[$sectionType])) {
$groupedSectionArr[$sectionType] = array();
}
$sectionNum = $sectionObj->getSectionNum();
$meetTime = $sectionObj->getMeetTime();
if (isset($groupedSectionArr[$sectionType][$sectionNum])) {
$groupedSectionArr[$sectionType][$sectionNum][] = $meetTime;
} else {
$groupedSectionArr[$sectionType][$sectionNum] = array($meetTime);
}
}
return $this->_compatibleSections;
}
/**
* Retrieve multiple objects by pkey.
*
* @param array $pks List of primary keys
* @param PropelPDO $con the connection to use
* @throws PropelException Any exceptions caught during processing will be
* rethrown wrapped into a PropelException.
*/
public static function retrieveByPKs($pks, PropelPDO $con = null)
{
if ($con === null) {
$con = Propel::getConnection(CourseSectionPeer::DATABASE_NAME, Propel::CONNECTION_READ);
}
$objs = null;
if (empty($pks)) {
$objs = array();
} else {
$criteria = new Criteria(CourseSectionPeer::DATABASE_NAME);
$criteria->add(CourseSectionPeer::ID, $pks, Criteria::IN);
$objs = CourseSectionPeer::doSelect($criteria, $con);
}
return $objs;
}
/**
* Populates the object using an array.
*
* This is particularly useful when populating an object from one of the
* request arrays (e.g. $_POST). This method goes through the column
* names, checking to see whether a matching key exists in populated
* array. If so the setByName() method is called for that column.
*
* You can specify the key type of the array by additionally passing one
* of the class type constants BasePeer::TYPE_PHPNAME, BasePeer::TYPE_STUDLYPHPNAME,
* BasePeer::TYPE_COLNAME, BasePeer::TYPE_FIELDNAME, BasePeer::TYPE_NUM.
* The default key type is the column's phpname (e.g. 'AuthorId')
*
* @param array $arr An array to populate the object from.
* @param string $keyType The type of keys the array uses.
* @return void
*/
public function fromArray($arr, $keyType = BasePeer::TYPE_PHPNAME)
{
$keys = CourseSectionPeer::getFieldNames($keyType);
if (array_key_exists($keys[0], $arr)) {
$this->setId($arr[$keys[0]]);
}
if (array_key_exists($keys[1], $arr)) {
$this->setCourseId($arr[$keys[1]]);
}
if (array_key_exists($keys[2], $arr)) {
$this->setSectionType($arr[$keys[2]]);
}
if (array_key_exists($keys[3], $arr)) {
$this->setTerm($arr[$keys[3]]);
}
if (array_key_exists($keys[4], $arr)) {
$this->setSectionNum($arr[$keys[4]]);
}
if (array_key_exists($keys[5], $arr)) {
$this->setMeetTime($arr[$keys[5]]);
}
}
/**
* Returns the number of related CourseSection objects.
*
* @param Criteria $criteria
* @param boolean $distinct
* @param PropelPDO $con
* @return int Count of related CourseSection objects.
* @throws PropelException
*/
public function countCourseSections(Criteria $criteria = null, $distinct = false, PropelPDO $con = null)
{
if ($criteria === null) {
$criteria = new Criteria(CoursePeer::DATABASE_NAME);
} else {
$criteria = clone $criteria;
}
if ($distinct) {
$criteria->setDistinct();
}
$count = null;
if ($this->collCourseSections === null) {
if ($this->isNew()) {
$count = 0;
} else {
$criteria->add(CourseSectionPeer::COURSE_ID, $this->id);
$count = CourseSectionPeer::doCount($criteria, $con);
}
} else {
// criteria has no effect for a new object
if (!$this->isNew()) {
// the following code is to determine if a new query is
// called for. If the criteria is the same as the last
// one, just return count of the collection.
$criteria->add(CourseSectionPeer::COURSE_ID, $this->id);
if (!isset($this->lastCourseSectionCriteria) || !$this->lastCourseSectionCriteria->equals($criteria)) {
$count = CourseSectionPeer::doCount($criteria, $con);
} else {
$count = count($this->collCourseSections);
}
} else {
$count = count($this->collCourseSections);
}
}
return $count;
}
/**
* This is a method for emulating ON DELETE CASCADE for DBs that don't support this
* feature (like MySQL or SQLite).
*
* This method is not very speedy because it must perform a query first to get
* the implicated records and then perform the deletes by calling those Peer classes.
*
* This method should be used within a transaction if possible.
*
* @param Criteria $criteria
* @param PropelPDO $con
* @return int The number of affected rows (if supported by underlying database driver).
*/
protected static function doOnDeleteCascade(Criteria $criteria, PropelPDO $con)
{
// initialize var to track total num of affected rows
$affectedRows = 0;
// first find the objects that are implicated by the $criteria
$objects = CoursePeer::doSelect($criteria, $con);
foreach ($objects as $obj) {
// delete related CourseComment objects
$c = new Criteria(CourseCommentPeer::DATABASE_NAME);
$c->add(CourseCommentPeer::COURSE_ID, $obj->getId());
$affectedRows += CourseCommentPeer::doDelete($c, $con);
// delete related CourseDetail objects
$c = new Criteria(CourseDetailPeer::DATABASE_NAME);
$c->add(CourseDetailPeer::COURSE_ID, $obj->getId());
$affectedRows += CourseDetailPeer::doDelete($c, $con);
// delete related CourseSection objects
$c = new Criteria(CourseSectionPeer::DATABASE_NAME);
$c->add(CourseSectionPeer::COURSE_ID, $obj->getId());
$affectedRows += CourseSectionPeer::doDelete($c, $con);
// delete related CourseTypeAssociation objects
$c = new Criteria(CourseTypeAssociationPeer::DATABASE_NAME);
$c->add(CourseTypeAssociationPeer::COURSE_ID, $obj->getId());
$affectedRows += CourseTypeAssociationPeer::doDelete($c, $con);
// delete related CourseInstructorAssociation objects
$c = new Criteria(CourseInstructorAssociationPeer::DATABASE_NAME);
$c->add(CourseInstructorAssociationPeer::COURSE_ID, $obj->getId());
$affectedRows += CourseInstructorAssociationPeer::doDelete($c, $con);
// delete related CourseDisciplineAssociation objects
$c = new Criteria(CourseDisciplineAssociationPeer::DATABASE_NAME);
$c->add(CourseDisciplineAssociationPeer::COURSE_ID, $obj->getId());
$affectedRows += CourseDisciplineAssociationPeer::doDelete($c, $con);
// delete related Exam objects
$c = new Criteria(ExamPeer::DATABASE_NAME);
$c->add(ExamPeer::COURSE_ID, $obj->getId());
$affectedRows += ExamPeer::doDelete($c, $con);
}
return $affectedRows;
}