How to use pelias-microservice-wrapper - 10 common examples

const placeholderService = serviceWrapper(placeholderConfiguration);
  const isPlaceholderServiceEnabled = _.constant(placeholderConfiguration.isEnabled());

  const changeLanguageConfiguration = new Language(_.defaultTo(peliasConfig.api.services.placeholder, {}));
  const changeLanguageService = serviceWrapper(changeLanguageConfiguration);
  const isChangeLanguageEnabled = _.constant(changeLanguageConfiguration.isEnabled());

  const interpolationConfiguration = new Interpolation(_.defaultTo(peliasConfig.api.services.interpolation, {}));
  const interpolationService = serviceWrapper(interpolationConfiguration);
  const isInterpolationEnabled = _.constant(interpolationConfiguration.isEnabled());

  // standard libpostal should use req.clean.text for the `address` parameter
  const libpostalConfiguration = new Libpostal(
    _.defaultTo(peliasConfig.api.services.libpostal, {}),
    _.property('clean.text'));
  const libpostalService = serviceWrapper(libpostalConfiguration);

  // structured libpostal should use req.clean.parsed_text.address for the `address` parameter
  const structuredLibpostalConfiguration = new Libpostal(
    _.defaultTo(peliasConfig.api.services.libpostal, {}),
    _.property('clean.parsed_text.address'));
  const structuredLibpostalService = serviceWrapper(structuredLibpostalConfiguration);

  // fallback to coarse reverse when regular reverse didn't return anything
  const coarseReverseShouldExecute = all(
    isPipServiceEnabled, not(hasRequestErrors), not(hasResponseData), not(isOnlyNonAdminLayers)
  );

  const libpostalShouldExecute = all(
    not(hasRequestErrors),
    not(isRequestSourcesOnlyWhosOnFirst)
  );

const interpolationConfiguration = new Interpolation(_.defaultTo(peliasConfig.api.services.interpolation, {}));
  const interpolationService = serviceWrapper(interpolationConfiguration);
  const isInterpolationEnabled = _.constant(interpolationConfiguration.isEnabled());

  // standard libpostal should use req.clean.text for the `address` parameter
  const libpostalConfiguration = new Libpostal(
    _.defaultTo(peliasConfig.api.services.libpostal, {}),
    _.property('clean.text'));
  const libpostalService = serviceWrapper(libpostalConfiguration);

  // structured libpostal should use req.clean.parsed_text.address for the `address` parameter
  const structuredLibpostalConfiguration = new Libpostal(
    _.defaultTo(peliasConfig.api.services.libpostal, {}),
    _.property('clean.parsed_text.address'));
  const structuredLibpostalService = serviceWrapper(structuredLibpostalConfiguration);

  // fallback to coarse reverse when regular reverse didn't return anything
  const coarseReverseShouldExecute = all(
    isPipServiceEnabled, not(hasRequestErrors), not(hasResponseData), not(isOnlyNonAdminLayers)
  );

  const libpostalShouldExecute = all(
    not(hasRequestErrors),
    not(isRequestSourcesOnlyWhosOnFirst)
  );

  // for libpostal to execute for structured requests, req.clean.parsed_text.address must exist
  const structuredLibpostalShouldExecute = all(
    not(hasRequestErrors),
    hasParsedTextProperties.all('address')
  );

function addRoutes(app, peliasConfig) {
  const esclient = elasticsearch.Client(_.extend({}, peliasConfig.esclient));

  const pipConfiguration = new PointInPolygon(_.defaultTo(peliasConfig.api.services.pip, {}));
  const pipService = serviceWrapper(pipConfiguration);
  const isPipServiceEnabled = _.constant(pipConfiguration.isEnabled());

  const placeholderConfiguration = new PlaceHolder(_.defaultTo(peliasConfig.api.services.placeholder, {}));
  const placeholderService = serviceWrapper(placeholderConfiguration);
  const isPlaceholderServiceEnabled = _.constant(placeholderConfiguration.isEnabled());

  const changeLanguageConfiguration = new Language(_.defaultTo(peliasConfig.api.services.placeholder, {}));
  const changeLanguageService = serviceWrapper(changeLanguageConfiguration);
  const isChangeLanguageEnabled = _.constant(changeLanguageConfiguration.isEnabled());

  const interpolationConfiguration = new Interpolation(_.defaultTo(peliasConfig.api.services.interpolation, {}));
  const interpolationService = serviceWrapper(interpolationConfiguration);
  const isInterpolationEnabled = _.constant(interpolationConfiguration.isEnabled());

  // standard libpostal should use req.clean.text for the `address` parameter
  const libpostalConfiguration = new Libpostal(

function addRoutes(app, peliasConfig) {
  const esclient = elasticsearch.Client(_.extend({}, peliasConfig.esclient));

  const pipConfiguration = new PointInPolygon(_.defaultTo(peliasConfig.api.services.pip, {}));
  const pipService = serviceWrapper(pipConfiguration);
  const isPipServiceEnabled = _.constant(pipConfiguration.isEnabled());

  const placeholderConfiguration = new PlaceHolder(_.defaultTo(peliasConfig.api.services.placeholder, {}));
  const placeholderService = serviceWrapper(placeholderConfiguration);
  const isPlaceholderServiceEnabled = _.constant(placeholderConfiguration.isEnabled());

  const changeLanguageConfiguration = new Language(_.defaultTo(peliasConfig.api.services.placeholder, {}));
  const changeLanguageService = serviceWrapper(changeLanguageConfiguration);
  const isChangeLanguageEnabled = _.constant(changeLanguageConfiguration.isEnabled());

  const interpolationConfiguration = new Interpolation(_.defaultTo(peliasConfig.api.services.interpolation, {}));
  const interpolationService = serviceWrapper(interpolationConfiguration);
  const isInterpolationEnabled = _.constant(interpolationConfiguration.isEnabled());

  // standard libpostal should use req.clean.text for the `address` parameter
  const libpostalConfiguration = new Libpostal(
    _.defaultTo(peliasConfig.api.services.libpostal, {}),
    _.property('clean.text'));
  const libpostalService = serviceWrapper(libpostalConfiguration);

  // structured libpostal should use req.clean.parsed_text.address for the `address` parameter
  const structuredLibpostalConfiguration = new Libpostal(
    _.defaultTo(peliasConfig.api.services.libpostal, {}),
    _.property('clean.parsed_text.address'));

const esclient = elasticsearch.Client(_.extend({}, peliasConfig.esclient));

  const pipConfiguration = new PointInPolygon(_.defaultTo(peliasConfig.api.services.pip, {}));
  const pipService = serviceWrapper(pipConfiguration);
  const isPipServiceEnabled = _.constant(pipConfiguration.isEnabled());

  const placeholderConfiguration = new PlaceHolder(_.defaultTo(peliasConfig.api.services.placeholder, {}));
  const placeholderService = serviceWrapper(placeholderConfiguration);
  const isPlaceholderServiceEnabled = _.constant(placeholderConfiguration.isEnabled());

  const changeLanguageConfiguration = new Language(_.defaultTo(peliasConfig.api.services.placeholder, {}));
  const changeLanguageService = serviceWrapper(changeLanguageConfiguration);
  const isChangeLanguageEnabled = _.constant(changeLanguageConfiguration.isEnabled());

  const interpolationConfiguration = new Interpolation(_.defaultTo(peliasConfig.api.services.interpolation, {}));
  const interpolationService = serviceWrapper(interpolationConfiguration);
  const isInterpolationEnabled = _.constant(interpolationConfiguration.isEnabled());

  // standard libpostal should use req.clean.text for the `address` parameter
  const libpostalConfiguration = new Libpostal(
    _.defaultTo(peliasConfig.api.services.libpostal, {}),
    _.property('clean.text'));
  const libpostalService = serviceWrapper(libpostalConfiguration);

  // structured libpostal should use req.clean.parsed_text.address for the `address` parameter
  const structuredLibpostalConfiguration = new Libpostal(
    _.defaultTo(peliasConfig.api.services.libpostal, {}),
    _.property('clean.parsed_text.address'));
  const structuredLibpostalService = serviceWrapper(structuredLibpostalConfiguration);

  // fallback to coarse reverse when regular reverse didn't return anything
  const coarseReverseShouldExecute = all(

function addRoutes(app, peliasConfig) {
  const esclient = elasticsearch.Client(_.extend({}, peliasConfig.esclient));

  const pipConfiguration = new PointInPolygon(_.defaultTo(peliasConfig.api.services.pip, {}));
  const pipService = serviceWrapper(pipConfiguration);
  const isPipServiceEnabled = _.constant(pipConfiguration.isEnabled());

  const placeholderConfiguration = new PlaceHolder(_.defaultTo(peliasConfig.api.services.placeholder, {}));
  const placeholderService = serviceWrapper(placeholderConfiguration);
  const isPlaceholderServiceEnabled = _.constant(placeholderConfiguration.isEnabled());

  const changeLanguageConfiguration = new Language(_.defaultTo(peliasConfig.api.services.placeholder, {}));
  const changeLanguageService = serviceWrapper(changeLanguageConfiguration);
  const isChangeLanguageEnabled = _.constant(changeLanguageConfiguration.isEnabled());

  const interpolationConfiguration = new Interpolation(_.defaultTo(peliasConfig.api.services.interpolation, {}));
  const interpolationService = serviceWrapper(interpolationConfiguration);
  const isInterpolationEnabled = _.constant(interpolationConfiguration.isEnabled());

  // standard libpostal should use req.clean.text for the `address` parameter
  const libpostalConfiguration = new Libpostal(
    _.defaultTo(peliasConfig.api.services.libpostal, {}),
    _.property('clean.text'));
  const libpostalService = serviceWrapper(libpostalConfiguration);

'use strict';

const url = require('url');

const _ = require('lodash');

const ServiceConfiguration = require('pelias-microservice-wrapper').ServiceConfiguration;

class PlaceHolder extends ServiceConfiguration {
  constructor(o) {
    super('placeholder', o);
  }

  getParameters(req) {
    const parameters = {};

    if (_.has(req.clean.parsed_text, 'street')) {
      // assemble all these fields into a space-delimited string
      parameters.text = _.values(_.pick(req.clean.parsed_text,
        ['neighbourhood', 'borough', 'city', 'county', 'state', 'country'])).join(' ');

    } else {
      parameters.text = req.clean.text;

const url = require('url');

const _ = require('lodash');

const ServiceConfiguration = require('pelias-microservice-wrapper').ServiceConfiguration;

class Language extends ServiceConfiguration {
  constructor(o) {
    super('language', o);
  }

  getParameters(req, res) {
    // find all the values for all keys with names that end with '_id'
    const ids = _.get(res, 'data', []).reduce((acc, doc) => {
      Array.prototype.push.apply(acc, _.values(_.pickBy(doc.parent, (v, k) => _.endsWith(k, '_id') ) ) );
      return acc;
    }, []);
    const lang = _.get(req, 'clean.lang.iso6393');
    const parameters = {
      // arrays will be nested, so flatten first, then uniqify, and finally join elements with comma
      ids: _.uniq(_.flattenDeep(ids)).join(',')

'use strict';

const url = require('url');

const ServiceConfiguration = require('pelias-microservice-wrapper').ServiceConfiguration;

class Libpostal extends ServiceConfiguration {
  constructor(o, propertyExtractor) {
    super('libpostal', o);

    // save off the propertyExtractor function
    // this is used to extract a single property from req.  eg:
    // * _.property('clean.text')
    // * _.property('clean.parsed_text.address')
    // will return those properties from req
    this.propertyExtractor = propertyExtractor;
    
  }

  getParameters(req) {
    return {

'use strict';

const url = require('url');

const _ = require('lodash');

const ServiceConfiguration = require('pelias-microservice-wrapper').ServiceConfiguration;

class PointInPolygon extends ServiceConfiguration {
  constructor(o) {
    super('pip', o);
  }

  getParameters(req) {
    if (_.has(req, 'clean.layers')) {
      return {
        layers: _.join(req.clean.layers, ',')
      };
    }

    return {};
  }