gn-api/gn-api.html at master · eva-hafermalz/gn-api · GitHub

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<link rel="import" href="../polymer/polymer.html">
<link rel="import" href="../iron-ajax/iron-ajax.html">

<!--
//TODO: Description

@demo demo/index.html
-->
<dom-module id="gn-api">
  <template>

    <iron-ajax
      auto
      url="https://greennav.isp.uni-luebeck.de/greennav/vehicles"
      handle-as="json"
      last-response="{{ vehicles }}"></iron-ajax>

    <iron-ajax
      auto
      id="route"
      handle-as="json"
      last-response="{{ route }}"></iron-ajax>

    <iron-ajax
      auto
      id="range"
      handle-as="json"
      last-response="{{ range }}"></iron-ajax>

  </template>

  <script>
  Polymer({
    is: 'gn-api',

    properties: {

      /**
       * List of available vehicles obtained from the backend
       */
      vehicles: {
        type: Array,
        notify: true
      },

      /**
       * Set the vehicle to route with. Needed for route and range
       * calculation.
       *
       * Possible values are listed in the vehicles variable
       */
      vehicle: String,

      /**
       * Route/range start as OSM-ID
       */
      startOsmId: Number,

      /**
       * Route target as OSM-ID
       */
      targetOsmId: Number,

      /**
       * Battery load percentage.
       * Can be any value from 100 to 0
       */
      battery: Number,

      /**
       * Result of the routing. Needs vehicle, startOsmId,
       * targetOsmId and battery to be defined. It's not
       * calculated automatically, call getRoute() first!
       */
      route: {
        type: Object,
        notify: true
      },

      /**
       * Result of the range. Needs vehicle, startOsmId
       * and battery to be defined. It's not
       * calculated automatically, call getRange() first!
       */
      range: {
        type: Object,
        notify: true
      }
    },

    /**
     * Sets the route variable
     */
    getRoute : function() {
      var ajax = document.querySelector('#route');
      ajax.url = "https://greennav.isp.uni-luebeck.de/greennav/" +
        "vehicles/"   + this.vehicle +
        "/routes/"    + this.startOsmId * 100 +
        "-"           + this.targetOsmId * 100 +
        "/opt/energy" +
        "?battery="   + this.battery +
        "&algorithm=EnergyAStar";
    },

    /**
     * Sets the range variable
     */
    getRange : function() {
      var ajax = document.querySelector('#range');
      ajax.url = "https://greennav.isp.uni-luebeck.de/greennav/" +
        "vehicles/"   + this.vehicle +
        "/ranges/"    + this.startOsmId * 100 +
        "?battery="   + this.battery;
    }
  });
  </script>
</dom-module>