ffrgb / meshviewer

  function (moment, Router, L, GUI, helper, Language) {

    'use strict';

    return function (config) {

      function handleData(data) {

        var timestamp;

        var nodes = [];

        var links = [];

        var nodeDict = {};

        for (var i = 0; i < data.length; ++i) {

          nodes = nodes.concat(data[i].nodes);

          timestamp = data[i].timestamp;

          links = links.concat(data[i].links);

        }

        nodes.forEach(function (node) {

          node.firstseen = moment.utc(node.firstseen).local();

          node.lastseen = moment.utc(node.lastseen).local();

        });

        var now = moment();

        var age = moment(now).subtract(config.maxAge, 'days');

        var online = nodes.filter(helper.online);

        var offline = nodes.filter(helper.offline);

        var newnodes = helper.limit('firstseen', age, helper.sortByKey('firstseen', online));

        var lostnodes = helper.limit('lastseen', age, helper.sortByKey('lastseen', offline));

        nodes.forEach(function (d) {

          d.neighbours = [];

          nodeDict[d.node_id] = d;

        });

        links.forEach(function (d) {

          d.source = nodeDict[d.source];

          d.target = nodeDict[d.target];

          d.id = [d.source.node_id, d.target.node_id].join('-');

          d.source.neighbours.push({ node: d.target, link: d });

          d.target.neighbours.push({ node: d.source, link: d });

          try {

            d.latlngs = [];

            d.latlngs.push(L.latLng(d.source.location.latitude, d.source.location.longitude));

            d.latlngs.push(L.latLng(d.target.location.latitude, d.target.location.longitude));

            d.distance = d.latlngs[0].distanceTo(d.latlngs[1]);

          } catch (e) {

            // ignore exception

          }

        });

        return {

          now: now,

          nodes: {

            online: online,

            offline: offline,

            new: newnodes,

            lost: lostnodes

          },

          links: links,

          nodeDict: nodeDict

        };

      }

      var language = new Language(config);

      var router = new Router(language);

      language.init(router);

      function update() {

        return Promise.all(config.dataPath.map(helper.getJSON))

          .then(handleData);

      }

      update()

        .then(function (d) {

          var gui = new GUI(config, router, language);

          gui.setData(d);

          router.setData(d);

          router.resolve();

          window.setInterval(function () {

            update().then(function (n) {

              gui.setData(n);

              router.setData(n);

            });

          }, 60000);

        })

        .catch(function (e) {

          document.querySelector('.loader').innerHTML += e.message

            + '<br /><br /><button onclick="location.reload(true)" class="btn text" aria-label="Try to reload">Try to reload</button><br /> or report to your community';

          console.warn(e);

        });

    };

  });