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var geojsonify = require('../helper/geojsonify').search;
function setup( backend, query ){
// allow overriding of dependencies
backend = backend || require('../src/backend');
query = query || require('../query/search');
function controller( req, res, next ){
// backend command
var cmd = {
index: 'pelias',
body: query( req.clean )
};
if (req.clean.layers) {
cmd.type = req.clean.layers;
}
// query backend
backend().client.search( cmd, function( err, data ){
var docs = [];
// handle backend errors
if( err ){ return next( err ); }
if( data && data.hits && data.hits.total && Array.isArray(data.hits.hits)){
docs = data.hits.hits.map( function( hit ){
return hit._source;
});
}
// convert docs to geojson
var geojson = geojsonify( docs );
// response envelope
geojson.date = new Date().getTime();
// respond
return res.status(200).json( geojson );
});
}
return controller;
}
module.exports = setup;