/**
* {@inheritdoc}
*/
public function fromString($string) : Workout
{
$simpleXML = new \SimpleXMLElement($string);
$workout = new Workout();
foreach ($simpleXML->Activities[0] as $simpleXMLActivity) {
// Sport.
$attributes = $simpleXMLActivity->attributes();
$sport = SportMapperInterface::class;
if (isset($attributes['Sport'])) {
$sport = SportGuesser::sportFromCode((string) $attributes['Sport']);
}
$workoutTrack = new Track(array(), $sport);
// Track points.
foreach ($simpleXMLActivity->Lap as $lap) {
foreach ($lap->Track as $track) {
foreach ($track->Trackpoint as $trackPoint) {
$dateTime = new \DateTime((string) $trackPoint->Time);
$latitude = (double) $trackPoint->Position->LatitudeDegrees;
$longitude = (double) $trackPoint->Position->LongitudeDegrees;
$workoutTrackPoint = new TrackPoint($latitude, $longitude, $dateTime);
$workoutTrackPoint->setElevation(round((double) $trackPoint->AltitudeMeters, 2));
if ($trackPoint->DistanceMeters) {
$workoutTrackPoint->setDistance($trackPoint->DistanceMeters);
}
$extensions = $this->parseExtensions($trackPoint);
$workoutTrackPoint->setExtensions($extensions);
$workoutTrack->addTrackPoint($workoutTrackPoint);
}
}
}
$workout->addTrack($workoutTrack);
}
return $workout;
}
/**
* Get a track point.
*
* @param float $lat The latitude.
* @param float $lon The longitude.
* @param string $time The time.
* @param float $elevation The elevation.
* @param integer $hr The heart rate.
* @return TrackPoint
*/
private function getTrackPoint(float $lat, float $lon, $time, float $elevation, $hr)
{
$trackPoint = new TrackPoint($lat, $lon, new \DateTime($time));
$trackPoint->setElevation($elevation);
$trackPoint->addExtension(new HR($hr));
return $trackPoint;
}
/**
* {@inheritdoc}
*/
public function fromString($string) : Workout
{
$simpleXML = new \SimpleXMLElement($string);
$workout = new Workout();
if (isset($simpleXML->metadata->author->name)) {
$workout->setAuthor(new Author($simpleXML->metadata->author->name));
}
foreach ($simpleXML->trk as $simpleXMLTrack) {
// Sport.
$sport = SportMapperInterface::class;
if (isset($simpleXMLTrack->type)) {
$sport = SportGuesser::sportFromCode((string) $simpleXMLTrack->type);
}
$track = new Track(array(), $sport);
// Track points.
foreach ($simpleXMLTrack->trkseg->trkpt as $point) {
$attributes = $point->attributes();
$dateTime = new \DateTime((string) $point->time);
$trackPoint = new TrackPoint((double) $attributes['lat'], (double) $attributes['lon'], $dateTime);
$trackPoint->setElevation((int) $point->ele);
if (isset($point->extensions)) {
$trackPoint->setExtensions($this->parseExtensions($point->extensions));
}
$track->addTrackPoint($trackPoint);
}
$workout->addTrack($track);
}
return $workout;
}
/**
* Get a track point.
*
* @param float $latitude The latitude.
* @param float $longitude The longitude.
* @param string $time The time.
* @param float $distance The distance from start to that point.
* @param integer $elevation The elevation.
* @param integer $heartRate The heart rate.
* @return TrackPoint
*/
private function getTrackPoint(float $latitude, float $longitude, $time, $elevation, $distance = null, $heartRate = null)
{
$trackPoint = new TrackPoint($latitude, $longitude, new DateTime($time));
$trackPoint->setElevation($elevation);
$trackPoint->setDistance($distance);
if ($heartRate !== null) {
$trackPoint->setExtensions(array(new HR($heartRate)));
}
return $trackPoint;
}
/**
* Get the speed between this point and another point in km/h.
*
* @param TrackPoint $trackPoint The other point.
* @return float
*/
public function speed(TrackPoint $trackPoint) : float
{
$start = $this->dateTime();
$end = $trackPoint->dateTime();
$dateDiff = $start->diff($end);
$secondsDifference = $dateDiff->days * 86400 + $dateDiff->h * 3600 + $dateDiff->i * 60 + $dateDiff->s;
if ($secondsDifference === 0) {
return 0.0;
}
if ($this->hasDistance() === true && $trackPoint->hasDistance()) {
$distance = abs($this->distance() - $trackPoint->distance());
} else {
$distance = $this->distanceFromPoint($trackPoint);
}
return $distance / $secondsDifference * 3.6;
}
/**
* Test get extension throws exception if extension not found.
*/
public function testGetExtensionThrowsExceptionIfExtensionNotFound()
{
$trackPoint = new TrackPoint(0, 0, new \DateTime());
$name = 'non-existing-extension';
$this->expectException(\OutOfBoundsException::class);
$this->expectExceptionMessage('Extension "' . $name . '" not found.');
$trackPoint->extension($name);
}
