private void CalculateDistance(PaceData calcData)
{
if (!calcData.HasPace || !calcData.HasTime || calcData.Distance == null) return;
var pace = 0; // pace in seconds / miles
var pacePortions = calcData.Pace.Split(':');
var paceMinutes = 0;
var paceSeconds = 0;
// mm or mm:ss
if (pacePortions.Length == 1) // mm
{
int.TryParse(pacePortions[0], out paceMinutes);
}
else // mm:ss
{
int.TryParse(pacePortions[0], out paceMinutes);
int.TryParse(pacePortions[1], out paceSeconds);
}
pace = (paceMinutes * 60) + paceSeconds;
var time = 0; // seconds
if (string.IsNullOrWhiteSpace(calcData.Time))
return;
var timePortions = calcData.Time.Split(':');
var hours = 0;
var minutes = 0;
var seconds = 0;
// mm or mm:ss or hh:mm:ss
if (timePortions.Length == 1) // mm
{
int.TryParse(timePortions[0], out minutes);
}
else if (timePortions.Length == 2) // mm:ss
{
int.TryParse(timePortions[0], out minutes);
int.TryParse(timePortions[1], out seconds);
}
else // hh:mm:ss
{
int.TryParse(timePortions[0], out hours);
int.TryParse(timePortions[1], out minutes);
int.TryParse(timePortions[2], out seconds);
}
time = (hours * 60 * 60) + (minutes * 60) + seconds;
if (pace == 0 || time == 0) return;
var distance = time / (double) pace;
calcData.Distance = new Distance(distance, calcData.Distance.BaseUnits);
}
public void Given_5_min_per_mile_should_convert_to_8_min_km()
{
var calc = new PaceCalculator();
var pace = new PaceData { Pace = "5:00", Calc = "pacemilesunits" };
calc.Calculate(pace);
Assert.AreEqual("8:02", pace.Pace); // 5 min/mile is actually a little over 8 min/km
pace.Calc = "pacekmunits";
calc.Calculate(pace);
Assert.AreEqual("4:59", pace.Pace); // and then due to rounding, converting back gives just under 5min/mile
}
public RunLogModel(ControllerContext context, dynamic runLogEvent)
{
this.context = context;
RunLogEvent = runLogEvent;
TimeTaken = runLogEvent.TimeTaken;
Route = ((object)RunLogEvent).Route();
Distance = ((object)Route).Distance().ConvertTo(context.UserDistanceUnits());
var paceData = new PaceData { Distance = Distance, Time = TimeTaken, Calc = "Pace" };
var paceCalc = new PaceCalculator();
paceCalc.Calculate(paceData);
Pace = paceData;
}
public void Calculate(PaceData calcData)
{
switch ((calcData.Calc ?? "").ToLower())
{
case "distance":
CalculateDistance(calcData);
break;
case "time":
CalculateTime(calcData);
break;
case "pace":
CalculatePace(calcData);
break;
case "pacekmunits":
ConvertPace(calcData, DistanceUnits.Kilometers);
break;
case "pacemilesunits":
ConvertPace(calcData, DistanceUnits.Miles);
break;
case "normalizetime":
NormalizeTime(calcData);
break;
}
}
public ActionResult CalcPace(PaceData paceCalculation)
{
if (!ModelState.IsValid)
return new JsonResult { Data = paceCalculation };
Trace.TraceInformation("Calculating pace (route/dist/time/pace/calc): {0}/{1}/{2}/{3}/{4}", paceCalculation.Route, paceCalculation.Distance, paceCalculation.Time, paceCalculation.Pace, paceCalculation.Calc);
if (paceCalculation.HasRoute)
{
var userUnits = paceCalculation.Distance.BaseUnits;
var route = MassiveDB.Current.FindRoute(paceCalculation.Route.Value);
if (route != null)
paceCalculation.Distance = new Distance(route.Distance, (DistanceUnits)route.DistanceUnits).ConvertTo(userUnits);
}
paceCalc.Calculate(paceCalculation);
Trace.TraceInformation("Calculated pace (route/dist/time/pace/calc): {0}/{1}/{2}/{3}/{4}", paceCalculation.Route, paceCalculation.Distance, paceCalculation.Time, paceCalculation.Pace, paceCalculation.Calc);
return new JsonResult { Data = paceCalculation };
}
private Tuple<Distance, PaceData, string> DistanceAndPaceOfLogEvent(dynamic runLogEvent)
{
var route = ((object)runLogEvent).Route();
var distance = ((object)route).Distance().ConvertTo(ControllerContext.UserDistanceUnits());
var paceData = new PaceData { Distance = distance, Time = runLogEvent.TimeTaken, Calc = "Pace" };
var paceCalc = new PaceCalculator();
paceCalc.Calculate(paceData);
return Tuple.Create(distance, paceData, route.Name.Replace('"', '\''));
}
private void CalculatePace(PaceData calcData)
{
calcData.Pace = "0";
if (!calcData.HasDistance || !calcData.HasTime) return;
if (!calcData.HasDistance)
return;
var distance = calcData.Distance.BaseDistance; // distance in user's units
var time = 0; // seconds
if (string.IsNullOrWhiteSpace(calcData.Time))
return;
var timePortions = calcData.Time.Split(':');
var hours = 0;
var minutes = 0;
var seconds = 0;
// mm or mm:ss or hh:mm:ss
if (timePortions.Length == 1) // mm
{
int.TryParse(timePortions[0], out minutes);
}
else if (timePortions.Length == 2) // mm:ss
{
int.TryParse(timePortions[0], out minutes);
int.TryParse(timePortions[1], out seconds);
}
else // hh:mm:ss
{
int.TryParse(timePortions[0], out hours);
int.TryParse(timePortions[1], out minutes);
int.TryParse(timePortions[2], out seconds);
}
time = (hours * 60 * 60) + (minutes * 60) + seconds;
if (time == 0 || distance == 0) return;
calcData.PaceInSeconds = time / distance;
calcData.Pace = PaceToString(calcData.PaceInSeconds.Value);
}
private void NormalizeTime(PaceData calcData)
{
if (!calcData.HasTime) return;
var time = 0; // seconds
if (string.IsNullOrWhiteSpace(calcData.Time))
return;
var timePortions = calcData.Time.Split(':');
var hours = 0;
var minutes = 0;
var seconds = 0;
// mm or mm:ss or hh:mm:ss
if (timePortions.Length == 1) // mm
{
int.TryParse(timePortions[0], out minutes);
}
else if (timePortions.Length == 2) // mm:ss
{
int.TryParse(timePortions[0], out minutes);
int.TryParse(timePortions[1], out seconds);
}
else // hh:mm:ss
{
int.TryParse(timePortions[0], out hours);
int.TryParse(timePortions[1], out minutes);
int.TryParse(timePortions[2], out seconds);
}
time = (hours * 60 * 60) + (minutes * 60) + seconds;
var timeVal = TimeSpan.FromSeconds(time);
calcData.Time = timeVal.ToString(timeVal.TotalHours > 0 ? "hh\\:mm\\:ss" : "mm\\:ss");
}
private void ConvertPace(PaceData calcData, DistanceUnits fromUnits)
{
if (!calcData.HasPace) return;
double pace = 0; // pace in seconds / miles
var pacePortions = calcData.Pace.Split(':');
var paceMinutes = 0;
var paceSeconds = 0;
// mm or mm:ss
if (pacePortions.Length == 1) // mm
{
int.TryParse(pacePortions[0], out paceMinutes);
}
else // mm:ss
{
int.TryParse(pacePortions[0], out paceMinutes);
int.TryParse(pacePortions[1], out paceSeconds);
}
pace = (paceMinutes * 60) + paceSeconds;
if (fromUnits == DistanceUnits.Miles)
pace *= DistanceCalculator.MilesToKilometers;
else if (fromUnits == DistanceUnits.Kilometers)
pace *= DistanceCalculator.KilometersToMiles;
else return;
calcData.Pace = string.Format("{0}:{1}", Convert.ToInt32(Math.Floor(pace / 60)).ToString("0"), Math.Floor(pace % 60).ToString("00"));
}
private void CalculateTime(PaceData calcData)
{
calcData.Time = "0";
if (!calcData.HasDistance || !calcData.HasPace) return;
var pace = 0; // pace in seconds / miles
var pacePortions = calcData.Pace.Split(':');
var paceMinutes = 0;
var paceSeconds = 0;
// mm or mm:ss
if (pacePortions.Length == 1) // mm
{
int.TryParse(pacePortions[0], out paceMinutes);
}
else // mm:ss
{
int.TryParse(pacePortions[0], out paceMinutes);
int.TryParse(pacePortions[1], out paceSeconds);
}
pace = (paceMinutes * 60) + paceSeconds;
if (!calcData.HasDistance)
return;
var distance = calcData.Distance.BaseDistance; // distance in user units
if (pace == 0 || distance == 0) return;
calcData.Time = TimeSpan.FromSeconds(distance * pace).ToString("hh\\:mm\\:ss");
}
