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;
}
}
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");
}
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);
}
