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var queries = require('geopipes-elasticsearch-backend').queries,
sort = require('../query/sort');
function generate( params ){
var centroid = null;
if ( params.lat && params.lon ){
centroid = {
lat: params.lat,
lon: params.lon
};
}
var query = queries.distance( centroid, { size: params.size } );
if (params.bbox) {
query = queries.bbox ( centroid, { size: params.size, bbox: params.bbox } );
}
// add search condition to filtered query
query.query.filtered.query = {
'bool': {
'must': [{
'match': {
'name.default': params.input
}
}]
}
};
// should query contitions
query.query.filtered.query.bool.should = [];
if (params.input_admin) {
var admin_fields = ['admin0', 'admin1', 'admin1_abbr', 'admin2', 'alpha3'];
admin_fields.forEach(function(admin_field) {
var match = {};
match[admin_field] = params.input_admin;
query.query.filtered.query.bool.should.push({
'match': match
});
});
}
// add phrase matching query
// note: this is required for shingle/phrase matching
query.query.filtered.query.bool.should.push({
'match': {
'phrase.default': params.input
}
});
query.sort = query.sort.concat( sort( params ) );
return query;
}
module.exports = generate;