/// <summary>
/// This method is validates incoming transactions with all active rules and returns a score
/// </summary>
/// <returns>double</returns>
public double RunRules(TransactionParameters incoming)
{
double ruleScore = 0;
dynamic rightParameter = null;
dynamic leftParameter = null;
dynamic expectedResult = null;
dynamic result = null;
try
{
foreach (var rule in GetActiveRules())
{
if (rule.RuleDetails == null)
{
continue;
}
var ruleDetails = rule.RuleDetails.OrderBy(p => p.Order).ToList();
foreach (var detail in ruleDetails)
{
if (!string.IsNullOrEmpty(detail.LeftOperator) || !detail.IsChained)
{
leftParameter = TypeConversion.ConvertToType(detail.LeftOperator, detail.RuleType);
}
else if (string.IsNullOrEmpty(detail.LeftOperator) || !detail.IsChained)
{
if (string.IsNullOrEmpty(detail.RightParamererString))
{
throw new Exception("");
}
var type = Type.GetType(detail.RuleType);
PropertyInfo info = type.GetProperty(detail.LeftParameterString);
ConstantExpression constantExpr = Expression.Constant(incoming);
Expression getExpr = Expression.Property(constantExpr, detail.LeftParameterString);
leftParameter = Expression.Lambda <Func <dynamic> >(getExpr).Compile()();
}
else if (detail.IsChained)
{
leftParameter = TypeConversion.ConvertToType(result, detail.RuleType);
}
if (!string.IsNullOrEmpty(detail.RightOperator))
{
rightParameter = TypeConversion.ConvertToType(detail.RightOperator, detail.RuleType);
}
else if (string.IsNullOrEmpty(detail.RightOperator))
{
if (string.IsNullOrEmpty(detail.RightParamererString))
{
throw new Exception("");
}
var type = Type.GetType(detail.RuleType);
PropertyInfo info = type.GetProperty(detail.LeftParameterString);
ConstantExpression constantExpr = Expression.Constant(incoming);
Expression getExpr = Expression.Property(constantExpr, detail.RightParamererString);
rightParameter = Expression.Lambda <Func <dynamic> >(getExpr).Compile()();
}
expectedResult = TypeConversion.ConvertToType(detail.ExpectedResult, detail.ExpectedResultType);
result = new Operator().RunTest(leftParameter, rightParameter, expectedResult, detail.Operand);
if (result != expectedResult && detail.CanBeTerminated && detail.ExpectsResult)
{
break;
}
else if (result == expectedResult && detail.IsLast)
{
ruleScore += rule.RuleScore;
break;
}
else
{
continue;
}
}
}
return(ruleScore);
}
catch (Exception ex)
{
return(0);
}
}
