/// <summary>
/// Creates an instance of "Same As Child" rollup and returns
/// </summary>
/// <returns></returns>
protected virtual IRollupStrategy CreateSameAsChildRollupStrategy()
{
if (sameAsChildRollup == null)
{
sameAsChildRollup = new SameAsChildRollup(dailyActualRepository,
monthlyActualRepository, targetRepository);
}
return(sameAsChildRollup);
}
/// <summary>
/// Creates an instance of "Sum Of Children" rollup and returns
/// </summary>
/// <returns></returns>
protected virtual IRollupStrategy CreateSumOfChildrenRollupStrategy()
{
if (sumOfChildrenRollup == null)
{
sumOfChildrenRollup = new SumOfChildrenRollup(
dailyActualRepository, monthlyActualRepository, targetRepository);
}
return(sumOfChildrenRollup);
}
/// <summary>
/// Creates an instance of "Average Of Children" rollup and returns
/// </summary>
/// <returns></returns>
protected virtual IRollupStrategy CreateAverageOfChildrenRollupStrategy()
{
if (avgOfChildrenRollup == null)
{
avgOfChildrenRollup = new AverageOfChildrenRollup(dailyActualRepository,
monthlyActualRepository, targetRepository);
}
return(avgOfChildrenRollup);
}
/// <summary>
/// Calculates the roll up value based on the rollup method set
/// </summary>
/// <param name="rollupInfo">Rollup information</param>
/// <returns>Calculated rollup value</returns>
private decimal?CalculateRollupTargetValue(RollupInfo rollupInfo)
{
decimal?rolledupValue = null;
// Retrieve all child targets
var childTargetIds = targetRepository.GetAll().Where(x =>
x.ParentTargetId == rollupInfo.ParentTargetId &&
x.IsActive).Select(y => y.Id).ToList();
switch (rollupInfo.RollupMethodId)
{
// "Sum of Children"
case Constants.RollupMethodSumOfChildren:
{
IRollupStrategy sumOfChildrenRollup = CreateSumOfChildrenRollupStrategy();
rolledupValue = sumOfChildrenRollup.CalculateRollupTarget(rollupInfo,
childTargetIds);
break;
}
// "Average of Children"
case Constants.RollupMethodAverageOfChildren:
{
IRollupStrategy avgOfChildrentRollup =
CreateAverageOfChildrenRollupStrategy();
rolledupValue = avgOfChildrentRollup.CalculateRollupTarget(rollupInfo,
childTargetIds);
break;
}
// "Same as Child"
case Constants.RollupMethodSameAsChild:
{
IRollupStrategy sameAsChildRollup = CreateSameAsChildRollupStrategy();
rolledupValue = sameAsChildRollup.CalculateRollupTarget(rollupInfo,
childTargetIds);
break;
}
}
// Round the rolled up value to two decimal places
if (rolledupValue.HasValue)
{
var rollupValue = decimal.Round(rolledupValue.Value, 2, MidpointRounding.AwayFromZero);
if (rollupInfo.DataTypeId == Constants.DataTypeWholeNumber)
{
rollupValue = decimal.Round(rolledupValue.Value, 0, MidpointRounding.AwayFromZero);
}
return(rollupValue);
}
return(rolledupValue);
}
