/**
* Creates a course if it does not exist
* @param $name Name of the course
* @param Initiative $initiative
* @param Institution $ins
* @return Course
*/
public function createCourseIfNotExists($name, Initiative $initiative, Institution $ins = null, Stream $stream)
{
// Check if course exists
$em = $this->scraper->getManager();
$courseRepository = $em->getRepository('ClassCentralSiteBundle:Course');
$course = $courseRepository->findOneBy(array('name' => $name, 'initiative' => $initiative->getId()));
// Course exists
if ($course) {
return $course;
}
$course = new Course();
$course->setName($name);
$course->setInitiative($initiative);
if ($ins) {
$course->addInstitution($ins);
}
$course->setStream($stream);
// Check if course is to be created
if ($this->scraper->doModify() && $this->scraper->doCreate()) {
$em->persist($course);
$em->flush();
$this->scraper->out("COURSE {$name} created for initiative " . $initiative->getName());
}
return $course;
}
/**
* Retrieves all the data required for a particular provider
* @param $slug
* @param Request $request
*/
public function byProvider($slug, Request $request)
{
$cache = $this->container->get('cache');
$data = $cache->get('provider_' . $slug . $request->server->get('QUERY_STRING'), function ($slug, $request) {
$finder = $this->container->get('course_finder');
$em = $this->container->get('doctrine')->getManager();
if ($slug == 'others') {
$provider = new Initiative();
$provider->setName('Others');
$provider->setCode('others');
} elseif ($slug == 'independent') {
$provider = new Initiative();
$provider->setName('Independent');
$provider->setCode('independent');
} else {
$provider = $em->getRepository('ClassCentralSiteBundle:Initiative')->findOneBy(array('code' => $slug));
if (!$provider) {
throw new \Exception("Provider {$slug} not found");
}
}
extract($this->getInfoFromParams($request->query->all()));
$courses = $finder->byProvider($slug, $filters, $sort, $pageNo);
extract($this->getFacets($courses));
$pageInfo = PageHeaderFactory::get($provider);
$breadcrumbs = array(Breadcrumb::getBreadCrumb('Providers', $this->container->get('router')->generate('providers')));
$breadcrumbs[] = Breadcrumb::getBreadCrumb($provider->getName());
return compact('provider', 'allSubjects', 'allLanguages', 'allSessions', 'courses', 'sortField', 'sortClass', 'pageNo', 'pageInfo', 'breadcrumbs');
}, array($slug, $request));
return $data;
}
private static function getFromInitiative(Initiative $entity)
{
$info = new PageHeaderInfo("Initiative");
$info->setName($entity->getName());
$info->setUrl($entity->getUrl());
$info->setDescription($entity->getDescription());
if ($entity->getImageUrl()) {
$info->setImageUrl($entity->getImageDir() . '/' . $entity->getImageUrl());
}
return $info;
}
public function getBody()
{
$indexer = $this->container->get('es_indexer');
$em = $this->container->get('doctrine')->getManager();
$rs = $this->container->get('review');
$body = array();
$c = $this->entity;
// Alias for entity
$body['name'] = $c->getName();
$body['id'] = $c->getId();
$body['videoIntro'] = $c->getVideoIntro();
$body['length'] = $c->getLength();
$body['slug'] = $c->getSlug();
$body['description'] = $c->getDescription();
$body['longDescription'] = $c->getLongDescription();
$body['syllabus'] = $c->getSyllabus();
$body['searchDesc'] = $c->getSearchDesc();
$body['status'] = $c->getStatus();
$body['certificate'] = $c->getCertificate();
$body['verifiedCertificate'] = $c->getVerifiedCertificate();
$body['url'] = $c->getUrl();
if ($c->getCreated()) {
$body['created'] = $c->getCreated()->format(DATE_ISO8601);
}
// Tags
$tags = array();
foreach ($c->getTags() as $tag) {
$tags[] = strtolower($tag->getName());
}
$body['tags'] = $tags;
// Instructors
$body['instructors'] = array();
foreach ($c->getInstructors() as $instructor) {
$body['instructors'][] = $instructor->getName();
}
// Language
$body['language'] = array();
$lang = $c->getLanguage();
if ($lang) {
$body['language']['name'] = $lang->getName();
$body['language']['id'] = $lang->getId();
$body['language']['slug'] = $lang->getSlug();
} else {
// Set the default to english
$l = $em->getRepository('ClassCentralSiteBundle:Language')->findOneBy(array('slug' => 'english'));
$body['language']['name'] = $l->getName();
$body['language']['id'] = $l->getId();
$body['language']['slug'] = $l->getSlug();
}
// Institutions
$body['institutions'] = array();
foreach ($c->getInstitutions() as $ins) {
$iDoc = new InstitutionDocumentType($ins, $this->container);
$body['institutions'][] = $iDoc->getBody();
}
// Provider
$body['provider'] = array();
if ($c->getInitiative()) {
$provider = $c->getInitiative();
} else {
// create an independent provider
$provider = new Initiative();
$provider->setName('Independent');
$provider->setCode('independent');
}
$pDoc = new ProviderDocumentType($provider, $this->container);
$body['provider'] = $pDoc->getBody();
// Get the next session
$body['nextSession'] = array();
$ns = CourseUtility::getNextSession($c);
if ($ns) {
$nsDoc = new SessionDocumentType($ns, $this->container);
$body['nextSession'] = $nsDoc->getBody();
}
// Subject
$subjects = array();
$sub = $c->getStream();
if ($sub->getParentStream()) {
// Add the parent stream first
$psDoc = new SubjectDocumentType($sub->getParentStream(), $this->container);
$subjects[] = $psDoc->getBody();
}
$sDoc = new SubjectDocumentType($sub, $this->container);
$subjects[] = $sDoc->getBody();
$body['subjects'] = $subjects;
// Sessions. Add sessions to the records
$sessions = array();
$body['sessions'] = array();
foreach ($c->getOfferings() as $session) {
// Ignore invalid session
if ($session->getStatus() == Offering::COURSE_NA) {
continue;
}
$sDoc = new SessionDocumentType($session, $this->container);
$sessions[] = $sDoc->getBody();
}
$body['sessions'] = $sessions;
$body['numSessions'] = count($sessions);
$body['rating'] = $rs->getRatings($c->getId());
$body['ratingSort'] = $rs->getBayesianAverageRating($c->getId());
$rArray = $rs->getReviewsArray($c->getId());
$body['reviewsCount'] = $rArray['count'];
$body['ratingStars'] = ReviewUtility::getRatingStars($body['rating']);
$body['formattedRating'] = ReviewUtility::formatRating($body['rating']);
// Get Followed count
$courseRepo = $this->container->get('doctrine')->getManager()->getRepository('ClassCentralSiteBundle:Course');
$body['followed'] = intval($courseRepo->getListedCount($c));
// Check if the course being offered is new
// Definition of new - created 30 days ago
$oneMonthAgo = new \DateTime();
$oneMonthAgo->sub(new \DateInterval("P30D"));
$newCourse = false;
if ($c->getCreated() >= $oneMonthAgo) {
$newCourse = true;
}
$body['new'] = intval($newCourse);
$startingSoon = false;
$oneMonthLater = new \DateTime();
$oneMonthLater->add(new \DateInterval("P30D"));
if ($ns && !in_array('selfpaced', $body['nextSession']['states']) && in_array('upcoming', $body['nextSession']['states'])) {
if ($ns->getStartDate() < $oneMonthLater and $ns->getStatus() != Offering::START_DATES_UNKNOWN) {
$startingSoon = true;
}
}
$body['startingSoon'] = intval($startingSoon);
// Get the Credential
$credential = array();
if (!$c->getCredentials()->isEmpty()) {
$cred = $c->getCredentials()->first();
if ($cred->getStatus() < 100) {
$credential['id'] = $cred->getId();
$credential['name'] = $cred->getName();
$credential['slug'] = $cred->getSlug();
$credential['certificateName'] = '';
$credential['certificateSlug'] = '';
$credFormatter = $cred->getFormatter();
$credential['certificateName'] = $credFormatter->getCertificateName();
$credential['certificateSlug'] = $credFormatter->getCertificateSlug();
}
}
$body['credential'] = $credential;
return $body;
}
/**
* Builds a list of providers with counts
* @param ContainerInterface $container
* @return mixed
*/
public function getProvidersList(ContainerInterface $container)
{
$cache = $container->get('cache');
$data = $cache->get('providers_with_count', function ($container) {
$esCourses = $container->get('es_courses');
$counts = $esCourses->getCounts();
$em = $container->get('doctrine')->getManager();
arsort($counts['providers']);
$providers = array();
foreach ($counts['providers'] as $code => $count) {
if ($code == 'independent') {
$entity = new Initiative();
$entity->setCode($code);
$entity->setName('Independent');
} else {
$entity = $em->getRepository('ClassCentralSiteBundle:Initiative')->findOneBy(array('code' => $code));
}
$provider = array();
$provider['id'] = $entity->getId();
$provider['count'] = $count;
$provider['code'] = $code;
$provider['name'] = $entity->getName();
$providers[$code] = $provider;
}
return compact('providers');
}, array($container));
return $data;
}
public function getBody()
{
$indexer = $this->container->get('es_indexer');
$em = $this->container->get('doctrine')->getManager();
$rs = $this->container->get('review');
$body = array();
$c = $this->entity;
// Alias for entity
$body['name'] = $c->getName();
$body['id'] = $c->getId();
$body['videoIntro'] = $c->getVideoIntro();
$body['length'] = $c->getLength();
$body['slug'] = $c->getSlug();
$body['description'] = $c->getDescription();
$body['longDescription'] = $c->getLongDescription();
$body['syllabus'] = $c->getSyllabus();
$body['searchDesc'] = $c->getSearchDesc();
$body['status'] = $c->getStatus();
$body['certificate'] = $c->getCertificate();
$body['verifiedCertificate'] = $c->getVerifiedCertificate();
$body['url'] = $c->getUrl();
// Tags
$tags = array();
foreach ($c->getTags() as $tag) {
$tags[] = strtolower($tag->getName());
}
$body['tags'] = $tags;
// Instructors
$body['instructors'] = array();
foreach ($c->getInstructors() as $instructor) {
$body['instructors'][] = $instructor->getName();
}
// Language
$body['language'] = array();
$lang = $c->getLanguage();
if ($lang) {
$body['language']['name'] = $lang->getName();
$body['language']['id'] = $lang->getId();
$body['language']['slug'] = $lang->getSlug();
} else {
// Set the default to english
$l = $em->getRepository('ClassCentralSiteBundle:Language')->findOneBy(array('slug' => 'english'));
$body['language']['name'] = $l->getName();
$body['language']['id'] = $l->getId();
$body['language']['slug'] = $l->getSlug();
}
// Institutions
$body['institutions'] = array();
foreach ($c->getInstitutions() as $ins) {
$iDoc = new InstitutionDocumentType($ins, $this->container);
$body['institutions'][] = $iDoc->getBody();
}
// Provider
$body['provider'] = array();
if ($c->getInitiative()) {
$provider = $c->getInitiative();
} else {
// create an independent provider
$provider = new Initiative();
$provider->setName('Independent');
$provider->setCode('independent');
}
$pDoc = new ProviderDocumentType($provider, $this->container);
$body['provider'] = $pDoc->getBody();
// Get the next session
$body['nextSession'] = array();
$ns = CourseUtility::getNextSession($c);
if ($ns) {
$nsDoc = new SessionDocumentType($ns, $this->container);
$body['nextSession'] = $nsDoc->getBody();
}
// Subject
$subjects = array();
$sub = $c->getStream();
if ($sub->getParentStream()) {
// Add the parent stream first
$psDoc = new SubjectDocumentType($sub->getParentStream(), $this->container);
$subjects[] = $psDoc->getBody();
}
$sDoc = new SubjectDocumentType($sub, $this->container);
$subjects[] = $sDoc->getBody();
$body['subjects'] = $subjects;
// Sessions. Add sessions to the records
$sessions = array();
$body['sessions'] = array();
foreach ($c->getOfferings() as $session) {
// Ignore invalid session
if ($session->getStatus() == Offering::COURSE_NA) {
continue;
}
$sDoc = new SessionDocumentType($session, $this->container);
$sessions[] = $sDoc->getBody();
}
$body['sessions'] = $sessions;
$body['rating'] = $rs->getRatings($c->getId());
$body['ratingSort'] = $rs->getBayesianAverageRating($c->getId());
$rArray = $rs->getReviewsArray($c->getId());
$body['reviewsCount'] = $rArray['count'];
$body['ratingStars'] = ReviewUtility::getRatingStars($body['rating']);
$body['formattedRating'] = ReviewUtility::formatRating($body['rating']);
// Get the Credential
$credential = array();
if (!$c->getCredentials()->isEmpty()) {
$cred = $c->getCredentials()->first();
if ($cred->getStatus() < 100) {
$credential['id'] = $cred->getId();
$credential['name'] = $cred->getName();
$credential['slug'] = $cred->getSlug();
$credential['certificateName'] = '';
$credential['certificateSlug'] = '';
$credFormatter = $cred->getFormatter();
$credential['certificateName'] = $credFormatter->getCertificateName();
$credential['certificateSlug'] = $credFormatter->getCertificateSlug();
}
}
$body['credential'] = $credential;
return $body;
}
public function getBody()
{
$body = array();
$credentialService = $this->container->get('credential');
$c = $this->entity;
// Alias for entity
$formatter = $c->getFormatter();
$body['name'] = $c->getName();
$body['id'] = $c->getId();
$body['slug'] = $c->getSlug();
$body['oneLiner'] = $c->getOneLiner();
$body['subTitle'] = $c->getSubTitle();
$body['price'] = $c->getPrice();
$body['pricePeriod'] = $c->getPricePeriod();
$body['displayPrice'] = $formatter->getPrice();
$body['durationMin'] = $c->getDurationMin();
$body['durationMax'] = $c->getDurationMax();
$body['displayDuration'] = $formatter->getDuration();
$body['workloadMin'] = $c->getWorkloadMin();
$body['workloadMax'] = $c->getDurationMax();
$body['workloadType'] = $c->getWorkloadType();
$body['displayWorkload'] = $formatter->getWorkload();
$body['url'] = $c->getUrl();
$body['description'] = $c->getDescription();
$body['status'] = $c->getStatus();
$body['image'] = $credentialService->getImage($c);
$body['cardImage'] = $credentialService->getCardImage($c);
$body['subjectSlug'] = null;
$body['subject'] = null;
if ($c->getSubject()) {
$body['subjectSlug'] = $c->getSubject();
$body['subject'] = Credential::$SUBJECTS[$c->getSubject()];
}
$orgs = array();
// Array of names of organizations who are involved in creating the credential
// Provider
$body['provider'] = array();
if ($c->getInitiative()) {
$provider = $c->getInitiative();
$body['certificateName'] = $formatter->getCertificateName();
$body['certificateSlug'] = $formatter->getCertificateSlug();
$bulletOrg = "{$formatter->getCertificateName()} via ";
$orgs[] = $provider->getName();
// Populate the organization list
} else {
// create an independent provider
$provider = new Initiative();
$provider->setName('Independent');
$provider->setCode('independent');
}
$pDoc = new ProviderDocumentType($provider, $this->container);
$body['provider'] = $pDoc->getBody();
// Institutions
$body['institutions'] = array();
$institutions = array();
foreach ($c->getInstitutions() as $ins) {
$iDoc = new InstitutionDocumentType($ins, $this->container);
$body['institutions'][] = $iDoc->getBody();
$orgs[] = $ins->getName();
// Populate the organization list
}
// Get the ratings
$rating = $credentialService->calculateAverageRating($this->entity);
$body['rating'] = $rating['rating'];
$body['formattedRating'] = ReviewUtility::formatRating($rating['rating']);
// Rounds the rating to the nearest 0.5
$body['numRatings'] = $rating['numRatings'];
$courses = array();
foreach ($this->entity->getCourses() as $course) {
$cDoc = new CourseDocumentType($course, $this->container);
$courses[] = $cDoc->getBody();
}
$body['courses'] = $courses;
$body['isSponsered'] = $c->isSponsored();
// Build the bullet points in the array
$bulletPoints = array();
$bulletPoints[] = $bulletOrg . UniversalHelper::commaSeparateList($orgs);
// Bullet Price and Duration
$bulletPriceAndDuration = $formatter->getPrice();
$displayDuration = $formatter->getDuration();
if ($displayDuration) {
$bulletPriceAndDuration .= ' for ' . $displayDuration;
}
$bulletPoints[] = $bulletPriceAndDuration;
// Bullet effort
$effort = $formatter->getWorkload();
if ($effort) {
$bulletPoints[] = $effort . ' of effort';
}
if ($provider->getName() == 'Coursera') {
$bulletPoints[] = count($body['courses']) - 1 . ' courses + capstone project ';
} elseif ($provider->getName() == 'HBX') {
$bulletPoints[] = '3 courses and a final exam. Application Required';
}
if ($formatter->getEnrollment()) {
$bulletPoints[] = $formatter->getEnrollment();
}
$body['bulletPoints'] = $bulletPoints;
return $body;
}
/**
*
* @param InputInterface $input
* @param OutputInterface $output
* @return int|null|void
*/
protected function execute(InputInterface $input, OutputInterface $output)
{
$indexer = $this->getContainer()->get('es_indexer');
$indexer->setContainer($this->getContainer());
$em = $this->getContainer()->get('doctrine')->getManager();
$cache = $this->getContainer()->get('cache');
/****
* Index courses
*/
$offset = 0;
$limit = 100;
$count = 0;
do {
unset($courses);
$courses = $this->getContainer()->get('doctrine')->getManager()->getRepository('ClassCentralSiteBundle:Course')->findBy(array(), array(), 100, $offset);
foreach ($courses as $course) {
$indexer->index($course);
$count++;
}
$output->writeLn("{$count} courses indexed");
$offset += $limit;
} while ($courses);
/****
* Index Credentials
*/
$credentials = $this->getContainer()->get('doctrine')->getManager()->getRepository('ClassCentralCredentialBundle:Credential')->findAll();
foreach ($credentials as $credential) {
$indexer->index($credential);
}
$output->writeln("All Credentials indexed");
/***
* Index languages
*/
$langController = new LanguageController();
$languages = $cache->get('language_list_count', array($langController, 'getLanguagesList'), array($this->getContainer()));
foreach ($languages as $language) {
$indexer->index($language);
}
$output->writeln("All Languages indexed");
/***
* Index universities/institutions
*/
$insController = new InstitutionController();
// Get institutions
$data = $insController->getInstitutions($this->getContainer(), false);
$institutions = $data['institutions'];
// Get Universities
$data = $insController->getInstitutions($this->getContainer(), true);
$universities = $data['institutions'];
$all = array_merge($institutions, $universities);
foreach ($all as $ins) {
if ($ins['count'] > 0) {
$i = $em->getRepository('ClassCentralSiteBundle:Institution')->findOneBy(array('slug' => $ins['slug']));
$i->setCount($ins['count']);
$indexer->index($i);
}
}
$output->writeln("All Institutions indexed");
/****
* Index providers
*/
$providerController = new InitiativeController();
$data = $providerController->getProvidersList($this->getContainer());
foreach ($data['providers'] as $provider) {
if ($provider['count'] > 0) {
if ($provider['code'] == 'independent') {
$p = new Initiative();
$p->setCode('independent');
$p->setName('Independent');
} else {
$p = $em->getRepository('ClassCentralSiteBundle:Initiative')->findOneBy(array('code' => $provider['code']));
}
$p->setCount($provider['count']);
$indexer->index($p);
}
}
$output->writeln("All Providers indexed");
/****
* Index subjects
*/
$subjectRepository = $em->getRepository('ClassCentralSiteBundle:Stream');
$subjects = $cache->get('stream_list_count', array(new StreamController(), 'getSubjectsList'), array($this->getContainer()));
foreach ($subjects['parent'] as $subject) {
$indexer->index($subjectRepository->find($subject['id']));
}
foreach ($subjects['children'] as $childSubjects) {
foreach ($childSubjects as $subject) {
$indexer->index($subjectRepository->find($subject['id']));
}
}
$output->writeln("All subjects indexed");
}