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<?php |
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declare(strict_types = 1); |
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namespace SportTrackerConnector\Core\Workout\Loader; |
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use SportTrackerConnector\Core\Workout\Author; |
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use SportTrackerConnector\Core\Workout\Extension\ExtensionInterface; |
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use SportTrackerConnector\Core\Workout\Extension\HR; |
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use SportTrackerConnector\Core\Workout\SportGuesser; |
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use SportTrackerConnector\Core\Workout\SportMapperInterface; |
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use SportTrackerConnector\Core\Workout\Track; |
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use SportTrackerConnector\Core\Workout\TrackPoint; |
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use SportTrackerConnector\Core\Workout\Workout; |
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/** |
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* Load a workout from GPX format. |
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*/ |
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class GPX implements LoaderInterface |
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{ |
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/** |
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* {@inheritdoc} |
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*/ |
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public function load(string $filePath): Workout |
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{ |
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$simpleXML = new \SimpleXMLElement($filePath); |
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$author = null; |
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if (isset($simpleXML->metadata->author->name)) { |
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$author = new Author((string)$simpleXML->metadata->author->name); |
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} |
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$tracks = []; |
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foreach ($simpleXML->trk as $simpleXMLTrack) { |
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// Sport. |
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$sport = SportMapperInterface::class; |
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if (isset($simpleXMLTrack->type)) { |
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$sport = SportGuesser::guess((string)$simpleXMLTrack->type); |
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} |
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$points = []; |
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// Track points. |
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foreach ($simpleXMLTrack->trkseg->trkpt as $point) { |
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$attributes = $point->attributes(); |
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$trackPoint = TrackPoint::with( |
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(float)$attributes['lat'], |
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(float)$attributes['lon'], |
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new \DateTimeImmutable((string)$point->time), |
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(float)$point->ele, |
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$this->parseExtensions($point->extensions) |
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); |
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$points[] = $trackPoint; |
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} |
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$track = new Track($points, $sport); |
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$tracks[] = $track; |
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} |
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return new Workout($tracks, $author); |
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} |
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/** |
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* Parse and return an array of extensions from the XML. |
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* |
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* @param \SimpleXMLElement $extensions The extensions to parse. |
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* @return ExtensionInterface[] |
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*/ |
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protected function parseExtensions(\SimpleXMLElement $extensions): array |
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{ |
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$extensions = $extensions->asXML(); |
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$return = array(); |
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if (preg_match('/<gpxtpx:hr>(.*)<\/gpxtpx:hr>/', $extensions, $matches)) { |
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$return[] = HR::fromValue($matches[1]); |
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} |
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return $return; |
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} |
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} |
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dragosprotung /
stc-core
