const peliasQuery = require('pelias-query'); const defaults = require('./reverse_defaults'); const check = require('check-types'); const _ = require('lodash'); const logger = require('pelias-logger').get('api'); //------------------------------ // reverse geocode query //------------------------------ var query = new peliasQuery.layout.FilteredBooleanQuery(); // mandatory matches // (none) // scoring boost query.sort( peliasQuery.view.sort_distance ); // non-scoring hard filters query.filter( peliasQuery.view.boundary_circle ); query.filter( peliasQuery.view.sources ); query.filter( peliasQuery.view.layers ); query.filter( peliasQuery.view.categories ); query.filter( peliasQuery.view.boundary_country ); // -------------------------------- function generateQuery( clean ){ const vs = new peliasQuery.Vars( defaults ); // set size if( clean.querySize ){ vs.var( 'size', clean.querySize); } // sources if( check.array(clean.sources) && clean.sources.length ) { vs.var('sources', clean.sources); } // layers if( check.array(clean.layers) && clean.layers.length ) { // only include non-coarse layers vs.var( 'layers', _.intersection(clean.layers, ['address', 'street', 'venue'])); } // focus point to score by distance if( check.number(clean['point.lat']) && check.number(clean['point.lon']) ){ vs.set({ 'focus:point:lat': clean['point.lat'], 'focus:point:lon': clean['point.lon'] }); } // bounding circle // note: the sanitizers will take care of the case // where point.lan/point.lon are provided in the // absense of boundary.circle.lat/boundary.circle.lon if( check.number(clean['boundary.circle.lat']) && check.number(clean['boundary.circle.lon']) ){ vs.set({ 'boundary:circle:lat': clean['boundary.circle.lat'], 'boundary:circle:lon': clean['boundary.circle.lon'] }); if (check.undefined(clean['boundary.circle.radius'])){ // for coarse reverse when boundary circle radius is undefined vs.set({ 'boundary:circle:radius': defaults['boundary:circle:radius'] }); } else if (check.number(clean['boundary.circle.radius'])){ // plain reverse where boundary circle is a valid number vs.set({ 'boundary:circle:radius': clean['boundary.circle.radius'] + 'km' }); } } // boundary country if( check.string(clean['boundary.country']) ){ vs.set({ 'boundary:country': clean['boundary.country'] }); } // categories if (clean.categories) { vs.var('input:categories', clean.categories); } return { type: 'reverse', body: query.render(vs) }; } module.exports = generateQuery;