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var check = require('check-types');
var _ = require('lodash');
var flipNumberAndStreetCountries = ['DEU', 'FIN', 'SWE', 'NOR', 'DNK', 'ISL'];
function setup() {
var api = require('pelias-config').generate().api;
var settings = api.localization;
if (settings && settings.flipNumberAndStreetCountries) {
var countries = settings.flipNumberAndStreetCountries;
flipNumberAndStreetCountries = _.uniq(flipNumberAndStreetCountries.concat(countries));
}
return applyLocalNamingConventions;
}
function applyLocalNamingConventions(req, res, next) {
// do nothing if no result data set
if (!res || !res.data) {
return next();
}
// loop through data items and flip relevant number/street
res.data.filter(function(place){
// relevant for some countries
var flip = place.parent.country_a.some(function(country) {
return _.includes(flipNumberAndStreetCountries, country);
});
if (!flip){ return false; }
if( !place.hasOwnProperty('address_parts') ){ return false; }
if( !place.address_parts.hasOwnProperty('number') ){ return false; }
if( !place.address_parts.hasOwnProperty('street') ){ return false; }
return true;
})
.forEach( flipNumberAndStreet );
next();
}
// flip the housenumber and street name
// eg. '101 Grolmanstraße' -> 'Grolmanstraße 101'
function flipNumberAndStreet(place) {
var standard = ( place.address_parts.number + ' ' + place.address_parts.street ),
flipped = ( place.address_parts.street + ' ' + place.address_parts.number );
// flip street name and housenumber
if( place.name.default === standard ){
place.name.default = flipped;
}
}
module.exports = setup;