ilGeoLocationCalculator.php

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<?

class ilGeoLocationCalculator
{
        protected $geo_repository;

        public function __construct(ilGeoLocationRepository $a_geo_repository)
        {
                $this->geo_repository = $a_geo_repository;
        }

        public function calculateTimeTillNextExpiredGeoLocationAt(float $latitude, float $longitude)
        {
                $geo_locations = $this->geo_repository->getGeoLocationsByCoordinates($latitude, $longitude);

                if (count($geo_locations) === 0) {
                        return null;
                }

                $current = array_shift($geo_locations);

                foreach($geo_locations as $geo_location)
                {
                        if($current->getExpirationAsTimestamp() >= $geo_location->getExpirationAsTimestamp()) {
                                $current = $geo_location;
                        }
                }

                return $geo_location;
        }
}