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<?php |
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declare( strict_types = 1 ); |
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namespace Maps\DataAccess\GeoJsonStore; |
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use GeoJson\Feature\FeatureCollection; |
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use GeoJson\GeoJson; |
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use GeoJson\Geometry\Point; |
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use Title; |
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class SubObjectBuilder { |
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private $subjectPage; |
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private $pointCount = 0; |
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public function __construct( Title $subjectPage ) { |
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$this->subjectPage = $subjectPage; |
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} |
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/** |
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* @return SubObject[] |
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*/ |
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public function getSubObjectsFromGeoJson( string $jsonString ) { |
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$json = json_decode( $jsonString ); |
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$geoJson = GeoJson::jsonUnserialize( $json ); |
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return iterator_to_array( $this->featureCollectionToSubObjects( $geoJson ) ); |
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} |
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private function featureCollectionToSubObjects( FeatureCollection $featureCollection ) { |
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foreach ( $featureCollection->getFeatures() as $feature ) { |
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$geometry = $feature->getGeometry(); |
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if ( $geometry instanceof Point ) { |
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yield $this->pointToSubobject( $geometry, $feature->getProperties() ?? [] ); |
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} |
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} |
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} |
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private function pointToSubobject( Point $point, array $properties ): SubObject { |
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$subObject = new SubObject( 'Point_' . ++$this->pointCount ); |
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$subObject->addPropertyValuePair( |
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'HasCoordinates', |
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new \SMWDIGeoCoord( $point->getCoordinates()[1], $point->getCoordinates()[0] ) |
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); |
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if ( array_key_exists( 'description', $properties ) ) { |
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$subObject->addPropertyValuePair( |
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'HasDescription', |
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new \SMWDIBlob( $properties['description'] ) |
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); |
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} |
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if ( array_key_exists( 'title', $properties ) ) { |
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$subObject->addPropertyValuePair( |
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'HasTitle', |
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new \SMWDIBlob( $properties['title'] ) |
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); |
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} |
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return $subObject; |
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} |
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} |
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JeroenDeDauw /
Maps
