public float GetDesiredPercentage(DayInfo today)
{
float result = 0;
if (GetTotalDays() != 0)
{
if (Nature == NatureEnum.Standart)
{
result = 100 * GetPassedDays(today) / GetTotalDays();
}
else if (Nature == NatureEnum.BetweenLimits)
{
result = 100 * GetRemainingDays(today) / GetTotalDays();
}
}
else
{
result = 0;
}
if (result < 0)
{
result = 0;
}
else if (result > 100)
{
result = 100;
}
return(result);
}
/// <summary>
/// Gets the relative performence of goal completion.
/// 100 * (PresentPercentage - DesiredPercentage) / PresentPercentage)
/// </summary>
/// <returns>The percentage</returns>
public float GetRelativePerformance(DayInfo today)
{
float result = 0;
float factor1, factor2 = 0;
float presentPercentage = GetPresentPercentage();
float desiredPercentage = GetDesiredPercentage(today);
if (presentPercentage > 0 && presentPercentage > desiredPercentage)
{
factor1 = (100 * (presentPercentage - desiredPercentage) / presentPercentage) / 2;
}
else
{
factor1 = 0;
}
factor2 = presentPercentage / 2;
result = factor1 + factor2;
if (result > 100)
{
result = 100;
}
if (result < 0)
{
result = 0;
}
return(result);
}
/// <summary>
/// This method gives the daily suggested value to meet the goals.
/// </summary>
/// <returns>The daily suggested value.</returns>
public float GetDailySuggestedValue(DayInfo today)
{
float result = 0;
if (DateTime.Today > DueDate)
{
return(0);
}
if (this.Nature == NatureEnum.Standart)
{
if (GetRemainingDays(today) > 1)
{
result = Math.Sign(GoalValue - StartingValue) * (GoalValue - PresentValue) / GetRemainingDays(today);
}
else
{
result = Math.Sign(GoalValue - StartingValue) * GoalValue - PresentValue;
}
}
if (this.Nature == NatureEnum.BetweenLimits)
{
if (PresentValue < GoalValue)
{
if (GetRemainingDays(today) > 1)
{
result = (GoalValue - PresentValue) / GetRemainingDays(today);
}
else
{
result = GoalValue - PresentValue;
}
}
else
{
result = 0;
}
}
if (result < 0)
{
result = 0;
}
return(result);
}
/// <summary>
/// Number of days remaining to "due date".
/// </summary>
/// <returns>Number of days</returns>
public float GetRemainingDays(DayInfo today)
{
float result = 0;
TimeSpan leftDays = DueDate.Subtract(DateTime.Today);
result = (float)leftDays.Days;
result += (today.GetTodaysTotalHours() - today.GetTodaysPassedHours()) / today.GetTodaysTotalHours();
if (result < 0)
{
result = 0;
}
if (result > GetTotalDays())
{
result = GetTotalDays();
}
return(result);
}
private float GetPassedDays(DayInfo today)
{
float result = 0;
TimeSpan upToNow = DateTime.Today.Subtract(StartDate);
result = (float)upToNow.Days;
result += today.GetTodaysPassedHours() / today.GetTodaysTotalHours();
if (result < 0)
{
result = 0;
}
if (result > GetTotalDays())
{
result = GetTotalDays();
}
return(result);
}
/// <summary>
/// When tracking goals, present value should be compared to "desired value".
/// This method calculates the desired value.
/// </summary>
/// <returns>The desired value.</returns>
public float GetDesiredValue(DayInfo today)
{
float result = 0;
if (GoalValue > 0)
{
if (Nature == NatureEnum.Standart)
{
result = StartingValue - GetDesiredPercentage(today) * (StartingValue - GoalValue) / 100;
}
else if (Nature == NatureEnum.BetweenLimits)
{
result = StartingValue - (100 - GetDesiredPercentage(today)) * (StartingValue - GoalValue) / 100;
}
//result = startingValue - (desiredPercentage) * (startingValue - goalValue) / 100;
}
else
{
result = 0;
}
return(result);
}
/// <summary>
/// Gets the present performence of goal completion.
/// 100 * PresentPercentage / DesiredPresentPercentage
/// </summary>
/// <returns>The percentage</returns>
public float GetPerformance(bool isFull, DayInfo today)
{
float result = 0;
float presentPercentage = GetPresentPercentage();
float desiredPercentage = GetDesiredPercentage(today);
if (desiredPercentage > 0)
{
result = 100 * presentPercentage / desiredPercentage;
}
else
{
if (presentPercentage > 0)
{
result = 100;
}
else
{
result = 0;
}
}
if (!isFull)
{
if (result > 100)
{
result = 100;
}
}
if (result < 0)
{
result = 0;
}
return(result);
}