public bool ConditionMet(IDataModel subject)
{
if (string.IsNullOrEmpty(Field) || string.IsNullOrEmpty(Value) || string.IsNullOrEmpty(Type))
return false;
var inspect = GeneralHelpers.GetPropertyValue(subject, Field);
if (inspect == null)
return false;
// Put the subject in a list, allowing Dynamic Linq to be used.
if (Type == "String")
{
return _interpreter.Eval<bool>($"subject.{Field}.ToLower(){Operator}(value)",
new Parameter("subject", subject.GetType(), subject),
new Parameter("value", Value.ToLower()));
}
Parameter rightParam = null;
switch (Type)
{
case "Enum":
var enumType = GeneralHelpers.GetPropertyValue(subject, Field).GetType();
rightParam = new Parameter("value", Enum.Parse(enumType, Value));
break;
case "Boolean":
rightParam = new Parameter("value", bool.Parse(Value));
break;
case "Int32":
rightParam = new Parameter("value", int.Parse(Value));
break;
}
return _interpreter.Eval<bool>($"subject.{Field} {Operator} value",
new Parameter("subject", subject.GetType(), subject), rightParam);
}
public Lambda Parse(string expressionText, Parameter[] parameters)
{
return interpreter.Parse(expressionText, parameters);
}