aswi2021codebakers-gitlab/src/app/shared/graph-loading/multigraph.ts @ c1664074

import {Graph} from "./graph";

declare var require: any

export class MultiGraph implements Graph{

  isAnalytics: boolean;
  data: any [];
  interval: number;
  legend: {};

  constructor(isAnalytics: boolean, data: any [], legend: {}, interval: number) {
    this.isAnalytics = isAnalytics;
    this.data = data;
    this.interval = interval;
    this.legend = this.getLegend(legend);

  }


  getConfig(): {} {
    const lodash = require('lodash/object');
    const rvalue: any = {};
    let config1 = require('/src/vega/config/config.json');
    lodash.merge(rvalue, config1);

    let config2;
    if (this.isAnalytics) {
      config2 = require('/src/vega/config/config-multiline-analytics.json');
    } else {
      config2 = require('/src/vega/config/config-multiline-observations.json');
    }

    let config3 = require('/src/vega/config/config-barline.json');


    for(let key in config2.signals) {
      let obj = config2.signals[key];
      rvalue.signals.push(obj);
    }

    for(let key in config3.signals) {
      let obj = config3.signals[key];
      rvalue.signals.push(obj);
    }

    return rvalue;
  }

  getSpec(): {} {
    const lodash = require('lodash/object');
    const rvalue: any = {};
    const base = require('/src/vega/base/default.json');
    const body = require('/src/vega/body/multilinechart.json');
    const legend = require('/src/vega/miscs/legend.json');
    const tooltip = require('/src/vega/miscs/multiline-tooltip.json');

    lodash.merge(rvalue, base, body, legend, tooltip);

    rvalue.data[1].values = this.data;
    rvalue.data[0].values = this.legend;
    rvalue.signals[0].value = this.interval;
    rvalue.marks[0].marks[0].marks[0].marks[2].encode.enter.tooltip.signal = this.getTooltipMessage();

    return rvalue;
  }

  private getTooltipMessage() {
    let message = "{title: timeFormat(datum.dateTime, '%A, %e. %B %Y, %X')";
    this.data.forEach(function (e) {
      message += (", '" + e.sensor.sensorName + "': datum['" + e.sensor.sensorName + "'] + ' " + e.sensor.phenomenon.unit +"' ");
    })

    message += "}";
    return message;
  }

  private getLegend(legend: any) {
    if(Array.isArray(legend)) {
      return legend[0];
    } else {
      return legend;
    }
  }


}