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var geolib = require('geolib');
function setup() {
return computeDistances;
}
function computeDistances(req, res, next) {
// do nothing if no result data set
if (!req.results || !req.results.data) {
return next();
}
if ( !(req.clean.hasOwnProperty('lat') && req.clean.hasOwnProperty('lon')) ) {
return next();
}
req.results.data.forEach(function (place) {
// the result of getDistance is in meters, so convert to kilometers
place.distance = geolib.getDistance(
{ latitude: req.clean.lat, longitude: req.clean.lon },
{ latitude: place.center_point.lat, longitude: place.center_point.lon }
) / 1000;
});
next();
}
module.exports = setup;