/// <summary>
/// Checks to see whether the provided value falls within the range or not.
/// </summary>
/// <param name="variable">The variable in context.</param>
/// <param name="getVariableName">The name of the variable that should be populated in the error context.</param>
/// <param name="minimum">The minimum value allowed in the range.</param>
/// <param name="maximum">The maximum value allowed in the range.</param>
/// <param name="actionContext">Current action context.</param>
/// <param name="modelState">Current model object.</param>
/// <returns>The status of the operation.</returns>
public static bool Range <T>(T variable, Expression <Func <T, T> > getVariableName, T minimum, T maximum, HttpActionContext actionContext, ModelStateDictionary modelState)
{
var variableName = ((MemberExpression)getVariableName.Body).Member.Name;
var attr = new RangeAttribute(Convert.ToDouble(minimum), Convert.ToDouble(maximum));
if (!attr.IsValid(variable))
{
modelState.AddModelError(attr.ToString(), attr.FormatErrorMessage(variableName));
AddErrorToResponse(actionContext, modelState);
return(false);
}
return(true);
}