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Additional data such as distance, duration and consumption are also available.",{"type":472,"tag":539,"props":666,"children":667},{},[668,670,675],{"type":506,"value":669},"Now the ",{"type":472,"tag":459,"props":671,"children":673},{"className":672},[],[674],{"type":506,"value":605},{"type":506,"value":676}," will be tied to a slider in the UI. Every time the slider gets updated, a new route will be generated and displayed to show the impact.",{"type":472,"tag":528,"props":678,"children":680},{"id":679},"next-steps",[681],{"type":506,"value":682},"Next steps",{"type":472,"tag":509,"props":684,"children":685},{},[686],{"type":506,"value":687},"In this last example, it's possible to see how a route is impacted by a car's state of charge. The next step will cover how to add ferries and toll roads to the journey overview.",{"type":472,"tag":689,"props":690,"children":692},"div",{"className":691},[498],[693],{"type":472,"tag":694,"props":695,"children":700},"ct-code-tabs",{":codeList":696,":is-inversed":517,"className":697},"[{\"label\":\"client.js\",\"code\":\"import { SubscriptionClient } from 'subscriptions-transport-ws';\\nimport { createClient, createRequest, defaultExchanges, subscriptionExchange } from '@urql/core';\\nimport { createRouteQuery, routeUpdateSubscription } from './queries';\\nimport { pipe, subscribe } from 'wonka';\\n\\n/**\\n * For the purpose of this example we use urgl - lightweights GraphQL client.\\n * To establish a connection with Chargetrip GraphQL API you need to have an API key.\\n * The key in this example is a public one and gives access only to a part of our extensive database.\\n * You need a registered `x-client-id` to access the full database.\\n * Read more about authorisation in our documentation (https://docs.chargetrip.com/#authorisation).\\n */\\nconst headers = {\\n  //Replace this x-client-id and app-id with your own to get access to more cars\\n  'x-client-id': '5ed1175bad06853b3aa1e492',\\n  'x-app-id': '623998b2c35130073829b2d2',\\n};\\n\\nconst subscriptionClient = new SubscriptionClient('wss://api.chargetrip.io/graphql', {\\n  reconnect: true,\\n  connectionParams: headers,\\n});\\n\\nconst client = createClient({\\n  url: 'https://api.chargetrip.io/graphql',\\n  fetchOptions: {\\n    method: 'POST',\\n    headers,\\n  },\\n  exchanges: [\\n    ...defaultExchanges,\\n    subscriptionExchange({\\n      forwardSubscription(operation) {\\n        return subscriptionClient.request(operation);\\n      },\\n    }),\\n  ],\\n});\\n\\n/*\\n * To create a route you need to:\\n *\\n * 1. create a new route and receive back its ID;\\n * 2. subscribe to route updates in order to receive its details.\\n */\\nexport const getRoute = (soc, callback) => {\\n  client\\n    .mutation(createRouteQuery, { soc: parseFloat(soc) })\\n    .toPromise()\\n    .then(response => {\\n      const routeId = response.data.newRoute;\\n\\n      const { unsubscribe } = pipe(\\n        client.executeSubscription(createRequest(routeUpdateSubscription, { id: routeId })),\\n        subscribe(result => {\\n          const { status, route } = result.data?.routeUpdatedById;\\n          // You can keep listening to the route changes to update route information.\\n          // For this example we want to only draw the initial route.\\n          if (status === 'done' && route) {\\n            unsubscribe();\\n            callback(route);\\n          } else if (status === 'not_found') {\\n            callback();\\n          }\\n        }),\\n      );\\n    })\\n    .catch(error => console.log(error));\\n};\\n\"},{\"label\":\"index.js\",\"code\":\"import { drawRoutePolyline } from './map';\\nimport { getRoute } from './client';\\nimport { getStateOfCharge, attachEventListeners, renderErrorToast, renderRouteHeader } from './interface';\\n\\n/**\\n * This project shows you how to fetch a car list and render the car details\\n * The project structure contains;\\n *\\n *    - client.js - All networking requests\\n *    - interface.js - All interface rendering\\n *    - map.js - All map rendering (including routes and waypoints)\\n *    - queries.js - The GraphQL queries used in the networking requests\\n */\\n\\ngetRoute(getStateOfCharge(), routeData => {\\n  if (routeData) {\\n    drawRoutePolyline(routeData);\\n    renderRouteHeader(routeData);\\n    attachEventListeners();\\n  } else {\\n    renderErrorToast();\\n  }\\n});\\n\"},{\"label\":\"interface.js\",\"code\":\"import { getRoute } from './client';\\nimport { drawRoutePolyline } from './map';\\nimport { getDurationString } from '../../../utils';\\n\\nexport const getStateOfCharge = () => {\\n  return document.getElementById('range').value;\\n};\\n\\n/**\\n * Function that renders the header details\\n * @param { object } data - All available route data\\n */\\nexport const renderRouteHeader = data => {\\n  const routeDistance = data.distance ? `${(data.distance / 1000).toFixed(0)} km` : 'Unknown';\\n  const routeStops = `${data.charges ?? 0} stops`;\\n  const routeEnergy = data.consumption ? `${data.consumption.toFixed(2)} kWh` : 'Unknown';\\n\\n  document.getElementById('duration').innerHTML = `${getDurationString(data.duration ?? 0)}`;\\n  document.getElementById('route-metadata').innerHTML = `${routeDistance} / ${routeStops} / ${routeEnergy}`;\\n};\\n\\nexport const renderErrorToast = () => {\\n  const errorToast = document.getElementById('error-toast');\\n  errorToast.style.transform = `translateY(0)`;\\n\\n  setTimeout(() => {\\n    errorToast.style.transform = `translateY(100%)`;\\n  }, 3500);\\n};\\n\\nexport const attachEventListeners = () => {\\n  document.getElementById('range').addEventListener('input', didReleaseRangeSlider);\\n  document.getElementById('range').addEventListener('change', didUpdateRangeSlider);\\n};\\n\\n/**\\n * Update our current vehicle range based upon the slider value\\n * @param { Event } event - Slider drag listener\\n */\\nconst didReleaseRangeSlider = event => {\\n  document.getElementById('vehicle-range').innerHTML = `${event.target.value} km`;\\n};\\n\\nconst didUpdateRangeSlider = event => {\\n  event.target.disabled = true;\\n\\n  const loadingToast = document.getElementById('loading-toast');\\n  loadingToast.style.transform = `translateY(0)`;\\n\\n  getRoute(event.target.value, routeData => {\\n    if (routeData) {\\n      drawRoutePolyline(routeData);\\n      renderRouteHeader(routeData);\\n    } else {\\n      renderErrorToast();\\n    }\\n\\n    event.target.disabled = false;\\n    loadingToast.style.transform = `translateY(100%)`;\\n  });\\n};\\n\"},{\"label\":\"map.js\",\"code\":\"import mapboxgl from 'mapbox-gl';\\nimport * as mapboxPolyline from '@mapbox/polyline';\\n\\nmapboxgl.accessToken = 'pk.eyJ1IjoiY2hhcmdldHJpcCIsImEiOiJjazhpaG8ydTIwNWNpM21ud29xeXc2amhlIn0.rGKgR3JfG9Z5dCWjUI_oGA';\\n\\nconst map = new mapboxgl.Map({\\n  cooperativeGestures: true,\\n  container: 'map',\\n  style: 'mapbox://styles/chargetrip/ckgcbf3kz0h8819qki8uwhe0k',\\n  zoom: 5.5,\\n  center: [9.1320104, 55.1758916],\\n});\\n\\n/**\\n * Draw a route on a map.\\n *\\n * Route object contains `polyline` data -  the polyline encoded route (series of coordinates as a single string).\\n * We need to decode this information first. We use Mapbox polyline tool (https://www.npmjs.com/package/@mapbox/polyline) for this.\\n * As a result of decoding we get pairs [latitude, longitude].\\n * To draw a route on a map we use Mapbox GL JS. This tool uses the format [longitude,latitude],\\n * so we have to reverse every pair.\\n *\\n * @param data {object} route specification\\n */\\nexport const drawRoutePolyline = data => {\\n  const decodedData = mapboxPolyline.decode(data.polyline);\\n  const reversed = decodedData.map(item => item.reverse());\\n\\n  drawRoute(reversed, data.legs);\\n};\\n\\n/**\\n * Draw route polyline and show charging stations on the map.\\n * @param { array } coordinates - Array of coordinates\\n * @param { array } legs - stops -- each leg represents either a charging station, or via point or final point\\n */\\nexport const drawRoute = (coordinates, legs) => {\\n  if (map.loaded()) {\\n    drawPolyline(coordinates);\\n    showLegs(legs);\\n  } else {\\n    map.on('load', () => {\\n      drawPolyline(coordinates);\\n      showLegs(legs);\\n    });\\n  }\\n};\\n\\n/**\\n * Draw route polyline on a map.\\n * @param { array } coordinates - polyline coordinates\\n */\\nconst drawPolyline = coordinates => {\\n  if (map.getLayer('polyline')) map.removeLayer('polyline');\\n  if (map.getSource('polyline-source')) map.removeSource('polyline-source');\\n  const geojson = {\\n    type: 'FeatureCollection',\\n    features: [\\n      {\\n        type: 'Feature',\\n        geometry: {\\n          type: 'LineString',\\n          properties: {},\\n          coordinates,\\n        },\\n      },\\n    ],\\n  };\\n\\n  map.addSource('polyline-source', {\\n    type: 'geojson',\\n    lineMetrics: true,\\n    data: geojson,\\n  });\\n\\n  map.addLayer({\\n    id: 'polyline',\\n    type: 'line',\\n    options: 'beforeLayer',\\n    source: 'polyline-source',\\n    layout: {\\n      'line-join': 'round',\\n      'line-cap': 'round',\\n    },\\n    paint: {\\n      'line-color': '#0078FF',\\n      'line-width': 3,\\n    },\\n  });\\n};\\n\\n/**\\n * Show the charging station, origin and destination on the map\\n * The origin of the first leg is the start of your route.\\n * The destination of the last is the destination of your route.\\n * The desitinatation of all other legs are charging stations or via points.\\n *\\n * @param { array } legs - route legs\\n */\\nconst showLegs = legs => {\\n  if (map.getLayer('legs')) map.removeLayer('legs');\\n  if (map.getSource('legs')) map.removeSource('legs');\\n  if (legs.length === 0) return;\\n\\n  let points = [];\\n\\n  // we want to show origin point on the map\\n  // to do that we use the origin of the first leg\\n  points.push({\\n    type: 'Feature',\\n    properties: {\\n      description: legs[0].rangeStart,\\n      icon: 'location_big',\\n    },\\n    geometry: legs[0].origin?.geometry,\\n  });\\n\\n  for (let i = 0; i \u003C legs.length; i++) {\\n    // add charging stations\\n    if (i !== legs.length - 1) {\\n      points.push({\\n        type: 'Feature',\\n        properties: {\\n          description: legs[i].rangeEnd,\\n          icon: 'unknown-turbo',\\n        },\\n        geometry: legs[i].destination?.geometry,\\n      });\\n    } else {\\n      // add destination point (last leg)\\n      points.push({\\n        type: 'Feature',\\n        properties: {\\n          icon: 'arrival',\\n          description: legs[i].rangeEnd,\\n        },\\n        geometry: legs[i].destination?.geometry,\\n      });\\n    }\\n  }\\n\\n  // draw route points on a map\\n  map.addLayer({\\n    id: 'legs',\\n    type: 'symbol',\\n    layout: {\\n      'icon-image': '{icon}',\\n      'icon-allow-overlap': true,\\n      'icon-offset': ['case', ['==', ['get', 'icon'], 'location_big'], ['literal', [0, 0]], ['literal', [0, -15]]],\\n    },\\n    source: {\\n      type: 'geojson',\\n      data: {\\n        type: 'FeatureCollection',\\n        features: points,\\n      },\\n    },\\n  });\\n};\\n\"},{\"label\":\"queries.js\",\"code\":\"import qql from 'graphql-tag';\\n\\n/*\\n * In this example we request a route from Hanover, Germany to Aalborg, Denmark\\n * Your origin and destination are required fields. You also need to select an EV.\\n * Only the EV ID here is mandatory, all other fields are optional and when not specified will use the default values.\\n * The conditions are:\\n *   - full battery at Hanover, Germany\\n *   - EV can charge at CHAdeMO changers\\n *   - should use climate (temperature and weather conditions)\\n *   - min power of chargers is 43 kWh. This is the default setting\\n *   - one passenger in the car (drive alone)\\n */\\nexport const createRouteQuery = qql`\\nmutation newRoute($soc: Float!){\\n    newRoute(\\n      input: {\\n        ev: {\\n          id: \\\"5d161be5c9eef46132d9d20a\\\"\\n          battery: {\\n            stateOfCharge: { value: $soc, type: km }\\n          }\\n          plugs: { chargingPower: 150, standard: TESLA_S }\\n          adapters: [\\n            { chargingPower: 150, standard: IEC_62196_T2_COMBO }\\n            { chargingPower: 150, standard: CHADEMO }\\n          ]\\n          climate: true\\n          numberOfPassengers: 1\\n        }\\n        routeRequest: {\\n          origin: {\\n            type: Feature\\n            geometry: { type: Point, coordinates: [9.732625731357011, 52.3806314590276] }\\n            properties: { name: \\\"Hanover, Germany\\\" }\\n\\n          }\\n          destination: {\\n            type: Feature\\n            geometry: { type: Point, coordinates: [9.922192327081783, 57.046057998779176] }\\n            properties: { name: \\\"Aalborg, Denmark\\\" }\\n          }\\n        }\\n      }\\n    )\\n  }\\n`;\\n\\nexport const routeUpdateSubscription = qql`\\nsubscription routeUpdatedById($id: ID!){\\n  routeUpdatedById(id: $id) {\\n    status\\n    route {\\n      charges\\n      distance\\n      duration\\n      consumption\\n      polyline\\n      legs{\\n        chargeTime\\n        origin{\\n          geometry{\\n            type\\n            coordinates\\n          }\\n          properties\\n        }\\n        destination{\\n          geometry\\n          {\\n            type\\n            coordinates\\n          }\\n          properties\\n        }\\n      }\\n    }\\n  }\\n}\\n`;\\n\"}]",[698,699],"stick","top-6",[],{"title":464,"searchDepth":702,"depth":702,"links":703},2,[],"markdown","content:5.examples:3.routes:8.state-of-charge.md","content","5.examples/3.routes/8.state-of-charge.md","md",1775054263273]