/**
* Summary of update
* Update existing rows in the database associated with this curriculum model with newly modified information
*
* @return boolean True if all rows associated with this model were successfully modified in the database, false otherwise
*/
public function update()
{
if ($this->curriculumID != null && $this->name != null && $this->curriculumType != null && filter_var($this->curriculumType, FILTER_VALIDATE_INT)) {
$arr = array();
foreach ($this->curriculumCourseSlots as $slot) {
array_push($arr, $slot->getCurriculumCourseSlotID());
}
$data = array('Name' => $this->name, 'CurriculumTypeID' => $this->curriculumType);
$this->db->where('CurriculumID', $this->curriculumID);
$this->db->update('Curriculums', $data);
$results = $this->db->get_where('CurriculumCourseSlots', array('CurriculumID' => $this->curriculumID));
foreach ($results->result_array() as $row) {
$courseSlot = new Curriculum_course_slot_model();
if ($courseSlot->loadPropertiesFromPrimaryKey($row['CurriculumCourseSlotID'])) {
if (in_array($courseSlot->getCurriculumCourseSlotID(), $arr)) {
$index = array_search($courseSlot->getCurriculumCourseSlotID(), $arr);
unset($arr[$index]);
foreach ($this->curriculumCourseSlots as $_courseSlot) {
if ($_courseSlot->getCurriculumCourseSlotID() == $courseSlot->getCurriculumCourseSlotID()) {
$_courseSlot->update();
break;
}
}
} else {
$courseSlot->delete();
}
}
}
foreach ($arr as $id) {
foreach ($this->curriculumCourseSlots as $slot) {
if ($slot->getCurriculumCourseSlotID() == $id) {
$slot->create();
break;
}
}
}
return true;
}
return false;
}