f1vis/js/util.js

"use strict";

/*
 * This file contains utility functions, data structures and
 * stuff not related to what this project actually does.
 */

/* Define global structure for the loading dialog */
var loadingDialog = {
  id: "#loading-dialog",
  progressItems: 1,
  progressItemsDone: 0,
  // Initialize+Show the loading dialog with a number of items to progress
  show: function(progressItems = 1) {
    console.log("show");
    this.progressItems = progressItems;
    this.progressItemsDone = 0;
    this._updateProgressBar();
    $(this.id).modal('show');
  },
  // Function to signal that another item was progressed
  itemFinished: function() {

    this.progressItemsDone++;
    this._updateProgressBar();
  },
  // Hide the dialog
  hide: function() {
    console.log("hide");
    $(this.id).modal('hide');
  },
  // Private function to update the progress bar shown
  _updateProgressBar: function() {
    var percentage = (this.progressItemsDone / this.progressItems) * 100;
    if(percentage < 0 || isNaN(percentage)) percentage = 0;
    if(percentage > 100) percentage = 100;
    $(this.id + " .progress-bar").attr("style", "width: " + percentage + "%;");
  },
};

//Gets the position of Driver with driverid in specific lap
function getPositionOfDriver(driver, lap, defaultReturn){
  var lapEntryWithDrivId =lap.filter( drivLap => drivLap.driverId == driver.driverId );
  if(lapEntryWithDrivId.length > 0){
    return lapEntryWithDrivId[0].position;
  }else{
    return defaultReturn;
  }
}

// transforms the raceData to a format, with which lineDataDefinition can work
function raceDataToLineData(raceData){
  // define the lines
  var lineData = [];
  raceData.drivers.forEach((driver, drivIn)=>{
    lineData.push();
    var lapsOfDriverInLineDataFormat = [];
    raceData.lapTimes.forEach((lap, lapIn) => {
        lapsOfDriverInLineDataFormat.push({ 'lap': lapIn, 'position':  getPositionOfDriver(driver, lap, raceData.drivers.length)});
    });
    lineData.splice(drivIn, 0, lapsOfDriverInLineDataFormat);
  });
  return lineData;
}