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var logger = require('pelias-logger').get('api');
var Document = require('pelias-model').Document;
var placeTypes = require('../helper/placeTypes');
/**
* Convert WOF integer ids to Pelias formatted ids that can be used by the /place endpoint.
* This should probably be moved to the import pipeline once we are happy with the way this works.
*/
function setup() {
return function (req, res, next) {
// do nothing if no result data set
if (!res || !res.data) {
return next();
}
res.data = res.data.map(normalizeParentIds);
next();
};
}
/**
* Update all parent ids in the admin hierarchy
*
* @param {object} place
* @return {object}
*/
function normalizeParentIds(place) {
if (place) {
placeTypes.forEach(function (placeType) {
if (place[placeType] && place[placeType].length > 0 && place[placeType][0]) {
place[placeType + '_gid'] = [ makeNewId(placeType, place[placeType + '_gid']) ];
}
});
}
return place;
}
/**
* Generate a valid Pelias ids from placetype and WOF id.
* Assumes all of the incoming ids are WOF ids.
*
* @param {string} placeType
* @param {number} id
* @return {string}
*/
function makeNewId(placeType, id) {
if (!id) {
return;
}
var doc = new Document('whosonfirst', placeType, id);
return doc.getGid();
}
module.exports = setup;