nextbus-graphql/lib/schema/types/route.js

A GraphQL interface to the NextBus XML Feed

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.get = exports.type = undefined;

let get = exports.get = (() => {
  var _ref = _asyncToGenerator(function* (agencyTag, routeTag, context) {
    return (0, _withType2.default)(type.name, (yield context.nextbus.getRoute(agencyTag, routeTag)));
  });

  return function get(_x, _x2, _x3) {
    return _ref.apply(this, arguments);
  };
})();

exports.getNode = getNode;

var _graphql = require('graphql');

var graphql = _interopRequireWildcard(_graphql);

var _graphqlRelay = require('graphql-relay');

var relay = _interopRequireWildcard(_graphqlRelay);

var _relayNode = require('../relayNode');

var _withType = require('../withType');

var _withType2 = _interopRequireDefault(_withType);

var _ = require('.');

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }

function _asyncToGenerator(fn) { return function () { var gen = fn.apply(this, arguments); return new Promise(function (resolve, reject) { function step(key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { return Promise.resolve(value).then(function (value) { step("next", value); }, function (err) { step("throw", err); }); } } return step("next"); }); }; }

const encodeID = ([agencyTag, routeTag]) => `${ agencyTag }:${ routeTag }`;
const decodeID = id => id.split(':');

const type = exports.type = new graphql.GraphQLObjectType({
  name: 'Route',
  description: 'A route for an agency',
  fields: () => ({
    id: relay.globalIdField('Route', route => encodeID([route.agencyTag, route.tag])),
    // Need agency tag here so id above is globally unique: route tags by themselves are not unique
    // since multiple agencies can have identical route tags.
    agencyTag: {
      type: new graphql.GraphQLNonNull(graphql.GraphQLString),
      description: 'The tag of the agency to which this route belongs'
    },
    color: {
      type: new graphql.GraphQLNonNull(graphql.GraphQLString),
      resolve(route, args, context) {
        return _asyncToGenerator(function* () {
          return (yield get(route.agencyTag, route.tag, context)).color;
        })();
      }
    },
    latMax: {
      type: new graphql.GraphQLNonNull(graphql.GraphQLFloat),
      resolve(route, args, context) {
        return _asyncToGenerator(function* () {
          return (yield get(route.agencyTag, route.tag, context)).latMax;
        })();
      }
    },
    latMin: {
      type: new graphql.GraphQLNonNull(graphql.GraphQLFloat),
      resolve(route, args, context) {
        return _asyncToGenerator(function* () {
          return (yield get(route.agencyTag, route.tag, context)).latMin;
        })();
      }
    },
    lonMax: {
      type: new graphql.GraphQLNonNull(graphql.GraphQLFloat),
      resolve(route, args, context) {
        return _asyncToGenerator(function* () {
          return (yield get(route.agencyTag, route.tag, context)).lonMax;
        })();
      }
    },
    lonMin: {
      type: new graphql.GraphQLNonNull(graphql.GraphQLFloat),
      resolve(route, args, context) {
        return _asyncToGenerator(function* () {
          return (yield get(route.agencyTag, route.tag, context)).lonMin;
        })();
      }
    },
    oppositeColor: {
      type: new graphql.GraphQLNonNull(graphql.GraphQLString),
      resolve(route, args, context) {
        return _asyncToGenerator(function* () {
          return (yield get(route.agencyTag, route.tag, context)).oppositeColor;
        })();
      }
    },
    shortTitle: {
      type: graphql.GraphQLString,
      resolve(route, args, context) {
        return _asyncToGenerator(function* () {
          return (yield get(route.agencyTag, route.tag, context)).shortTitle || null;
        })();
      }
    },
    stops: (() => {
      const { connectionType } = relay.connectionDefinitions({
        name: _.stop.type.name,
        nodeType: _.stop.type
      });
      return {
        type: connectionType,
        args: relay.connectionArgs,
        resolve(route, args, context) {
          return _asyncToGenerator(function* () {
            const stops = yield _.stop.getAll(route.agencyTag, route.tag, context);
            return relay.connectionFromArray(stops, args);
          })();
        }
      };
    })(),
    tag: {
      type: new graphql.GraphQLNonNull(graphql.GraphQLString)
    },
    title: {
      type: new graphql.GraphQLNonNull(graphql.GraphQLString)
    }
  }),
  interfaces: () => [_relayNode.nodeInterface]
});

function getNode(id, context, info) {
  const [agencyTag, routeTag] = decodeID(id);
  return get(agencyTag, routeTag, context, info);
}