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function setup( backend, query ){
// allow overriding of dependencies
backend = backend || require('../src/backend');
query = query || require('../query/suggest');
function controller( req, res, next ){
// backend command
var cmd = {
index: 'pelias',
body: query( req.clean )
};
// query backend
backend().client.suggest( cmd, function( err, data ){
var docs = [];
// handle backend errors
if( err ){ return next( err ); }
// map response to a valid FeatureCollection
if( data && Array.isArray( data.pelias ) && data.pelias.length ){
docs = data['pelias'][0].options || [];
}
// respond
return res.status(200).json({
date: new Date().getTime(),
body: docs
});
});
}
return controller;
}
module.exports = setup;