kibana-riya/src/core_plugins/metric_vis/public/metric_vis_controller.js

Kibana is an open source (Apache Licensed), browser based analytics and search dashboard for Elasticsearch. Kibana is a snap to setup and start using. Kibana strives to be easy to get started with, while also being flexible and powerful, just like Elastic

import _ from 'lodash';
import AggResponseTabifyTabifyProvider from 'ui/agg_response/tabify/tabify';
import uiModules from 'ui/modules';
// get the kibana/metric_vis module, and make sure that it requires the "kibana" module if it
// didn't already
const module = uiModules.get('kibana/metric_vis', ['kibana']);

module.controller('KbnMetricVisController', function ($scope, $element, Private) {
  const tabifyAggResponse = Private(AggResponseTabifyTabifyProvider);

  const metrics = $scope.metrics = [];

  function isInvalid(val) {
    return _.isUndefined(val) || _.isNull(val) || _.isNaN(val);
  }

  $scope.processTableGroups = function (tableGroups) {
    tableGroups.tables.forEach(function (table) {
      table.columns.forEach(function (column, i) {
        const fieldFormatter = table.aggConfig(column).fieldFormatter();
        let value = table.rows[0][i];

        value = isInvalid(value) ? '?' : fieldFormatter(value);

        metrics.push({
          label: column.title,
          value: value
        });
      });
    });
  };

  $scope.$watch('esResponse', function (resp) {
    if (resp) {
      metrics.length = 0;
      $scope.processTableGroups(tabifyAggResponse($scope.vis, resp));
      $element.trigger('renderComplete');
    }
  });
});