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<?php |
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declare(strict_types=1); |
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/* For licensing terms, see /license.txt */ |
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namespace Chamilo\PluginBundle\XApi\Parser; |
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use Chamilo\CoreBundle\Entity\XApiCmi5Item; |
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use Chamilo\CoreBundle\Entity\XApiToolLaunch; |
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use Symfony\Component\DomCrawler\Crawler; |
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/** |
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* Class Cmi5Parser. |
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*/ |
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class Cmi5Parser extends PackageParser |
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{ |
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public function parse(): XApiToolLaunch |
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{ |
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$content = file_get_contents($this->filePath); |
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$xml = new Crawler($content); |
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$courseNode = $xml->filterXPath('//courseStructure/course'); |
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$toolLaunch = new XApiToolLaunch(); |
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$toolLaunch |
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->setTitle( |
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current( |
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$this->getLanguageStrings( |
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$courseNode->filterXPath('//title') |
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) |
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) |
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) |
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->setDescription( |
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current( |
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$this->getLanguageStrings( |
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$courseNode->filterXPath('//description') |
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) |
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) |
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) |
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->setLaunchUrl('') |
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->setActivityId($courseNode->attr('id')) |
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->setActivityType('cmi5') |
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->setAllowMultipleAttempts(false) |
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->setCreatedAt(api_get_utc_datetime(null, false, true)) |
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->setCourse($this->course) |
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->setSession($this->session) |
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; |
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$toc = $this->generateToC($xml); |
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foreach ($toc as $cmi5Item) { |
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$toolLaunch->addItem($cmi5Item); |
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} |
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return $toolLaunch; |
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} |
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/** |
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* @return array |
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*/ |
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private function getLanguageStrings(Crawler $node) |
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{ |
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$map = []; |
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foreach ($node->children() as $child) { |
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$key = $child->attributes['lang']->value; |
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$value = trim($child->textContent); |
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$map[$key] = $value; |
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} |
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return $map; |
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} |
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/** |
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* @return array<int, XApiCmi5Item> |
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*/ |
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private function generateToC(Crawler $xml): array |
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{ |
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$blocksMap = []; |
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/** @var array|XApiCmi5Item[] $items */ |
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$items = $xml |
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->filterXPath('//*') |
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->reduce( |
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function (Crawler $node, $i) { |
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return \in_array($node->nodeName(), ['au', 'block']); |
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} |
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) |
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->each( |
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function (Crawler $node, $i) use (&$blocksMap) { |
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$attributes = ['id', 'activityType', 'launchMethod', 'moveOn', 'masteryScore']; |
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list($id, $activityType, $launchMethod, $moveOn, $masteryMode) = $node->extract($attributes)[0]; |
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$item = new XApiCmi5Item(); |
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$item |
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->setIdentifier($id) |
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->setType($node->nodeName()) |
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->setTitle( |
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$this->getLanguageStrings( |
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$node->filterXPath('//title') |
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) |
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) |
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->setDescription( |
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$this->getLanguageStrings( |
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$node->filterXPath('//description') |
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) |
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) |
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; |
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if ('au' === $node->nodeName()) { |
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$launchParametersNode = $node->filterXPath('//launchParameters'); |
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$entitlementKeyNode = $node->filterXPath('//entitlementKey'); |
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$url |
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= $item |
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->setUrl( |
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$this->parseLaunchUrl( |
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trim($node->filterXPath('//url')->text()) |
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) |
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) |
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->setActivityType($activityType ?: null) |
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->setLaunchMethod($launchMethod ?: null) |
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->setMoveOn($moveOn ?: 'NotApplicable') |
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->setMasteryScore((float) $masteryMode ?: null) |
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->setLaunchParameters( |
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$launchParametersNode->count() > 0 ? trim($launchParametersNode->text()) : null |
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) |
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->setEntitlementKey( |
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$entitlementKeyNode->count() > 0 ? trim($entitlementKeyNode->text()) : null |
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) |
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; |
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} |
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$parentNode = $node->parents()->first(); |
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if ('block' === $parentNode->nodeName()) { |
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$blocksMap[$i] = $parentNode->attr('id'); |
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} |
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return $item; |
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} |
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) |
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; |
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foreach ($blocksMap as $itemPos => $parentIdentifier) { |
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foreach ($items as $item) { |
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if ($parentIdentifier === $item->getIdentifier()) { |
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$items[$itemPos]->setParent($item); |
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} |
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} |
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} |
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return $items; |
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} |
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/** |
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* @param string $url |
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* |
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* @return string |
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*/ |
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private function parseLaunchUrl($url) |
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{ |
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$urlInfo = parse_url($url); |
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if (empty($urlInfo['scheme'])) { |
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$baseUrl = str_replace( |
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api_get_path(SYS_COURSE_PATH), |
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api_get_path(WEB_COURSE_PATH), |
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\dirname($this->filePath) |
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); |
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return "$baseUrl/$url"; |
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} |
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return $url; |
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} |
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} |
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chamilo /
chamilo-lms
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