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50 lines
1.1 KiB
50 lines
1.1 KiB
10 years ago
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/**
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README: http://www.elasticsearch.org/guide/en/elasticsearch/client/javascript-api/current/api-reference.html#api-suggest
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**/
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var geojsonify = require('../helper/geojsonify').suggest;
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function setup( backend, query ){
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// allow overriding of dependencies
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backend = backend || require('../src/backend');
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query = query || require('../query/suggest_admin');
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function controller( req, res, next ){
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// backend command
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var cmd = {
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index: 'pelias',
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body: query( req.clean )
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};
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// query backend
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backend().client.suggest( cmd, function( err, data ){
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var docs = [];
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// handle backend errors
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if( err ){ return next( err ); }
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// map response to a valid FeatureCollection
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if( data && Array.isArray( data.pelias ) && data.pelias.length ){
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docs = data['pelias'][0].options || [];
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}
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// convert docs to geojson
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var geojson = geojsonify( docs );
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// response envelope
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geojson.date = new Date().getTime();
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// respond
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return res.status(200).json( geojson );
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});
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}
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return controller;
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}
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module.exports = setup;
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