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var peliasQuery = require('pelias-query'),
defaults = require('./autocomplete_defaults'),
check = require('check-types');
//------------------------------
// autocomplete query
//------------------------------
var query = new peliasQuery.layout.FilteredBooleanQuery();
// mandatory matches
query.score( peliasQuery.view.ngrams, 'must' );
// scoring boost
query.score( peliasQuery.view.phrase );
query.score( peliasQuery.view.focus( peliasQuery.view.ngrams ) );
query.score( peliasQuery.view.popularity( peliasQuery.view.phrase ) );
query.score( peliasQuery.view.population( peliasQuery.view.phrase ) );
// --------------------------------
/**
map request variables to query variables for all inputs
provided by this HTTP request.
**/
function generateQuery( clean ){
var vs = new peliasQuery.Vars( defaults );
// input text
vs.var( 'input:name', clean.text );
// always 10 (not user definable due to caching)
vs.var( 'size', 10 );
// focus point
if( check.number(clean['focus.point.lat']) &&
check.number(clean['focus.point.lon']) ){
vs.set({
'focus:point:lat': clean['focus.point.lat'],
'focus:point:lon': clean['focus.point.lon']
});
}
return query.render( vs );
}
module.exports = generateQuery;