public function migrate()
{
$this->output->writeln("Starting data migration version 5");
$this->output->writeln('Migrating MOOC tracker courses');
$em = $this->container->get('Doctrine')->getManager();
$moocTrackerCourses = $em->getRepository('ClassCentralSiteBundle:MoocTrackerCourse')->findAll();
foreach ($moocTrackerCourses as $mtc) {
$uc = new UserCourse();
$uc->setUser($mtc->getUser());
$uc->setCourse($mtc->getCourse());
$uc->setCreated($mtc->getCreated());
$uc->setListId(UserCourse::LIST_TYPE_INTERESTED);
$em->persist($uc);
}
$em->flush();
$this->output->writeln('Creating MOOC Tracker preferences');
// Creating user preferences for mooc tracker courses and search terms
$users = $em->getRepository('ClassCentralSiteBundle:User')->findAll();
foreach ($users as $user) {
$upCourses = new UserPreference();
$upCourses->setUser($user);
$upCourses->setType(UserPreference::USER_PREFERENCE_MOOC_TRACKER_COURSES);
$upCourses->setValue("1");
$upSearchTerms = new UserPreference();
$upSearchTerms->setUser($user);
$upSearchTerms->setType(UserPreference::USER_PREFERENCE_MOOC_TRACKER_SEARCH_TERM);
$upSearchTerms->setValue("1");
$em->persist($upCourses);
$em->persist($upSearchTerms);
}
$em->flush();
}
/**
* Adds a course to the users interested list.
* A course can be added only once.
* @param \ClassCentral\SiteBundle\Entity\User $user
* @param Course $course
* @param $listId
*/
public function addCourse(\ClassCentral\SiteBundle\Entity\User $user, Course $course, $listId)
{
$em = $this->container->get('doctrine')->getManager();
// Check if the list id is valid
if (!array_key_exists($listId, UserCourse::$lists)) {
throw new \Exception("List id {$listId} is not valid");
}
// Remove the course if it exists
$this->removeCourse($user, $course, $listId);
//Save it if it does not exist
$uc = new UserCourse();
$uc->setCourse($course);
$uc->setUser($user);
$uc->setListId($listId);
// Add course to user
$user->addUserCourse($uc);
$em->persist($uc);
$em->flush();
return $uc;
}