Esempio n. 1
0
        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);
        }
Esempio n. 2
0
 public Lambda Parse(string expressionText, Parameter[] parameters)
 {
     return interpreter.Parse(expressionText, parameters);
 }