serein-flow/WorkBench/Themes/ConditionControlModel.cs

namespace DynamicDemo.Themes;

public enum ConditionType
{
    GreaterThan,
    LessThan,
    EqualTo,
    Between,
    NotBetween,
    NotInRange,
    IsTrue,
    IsFalse,
    Contains,
    DoesNotContain,
    IsNotEmpty
}

public abstract class ConditionNode
{
    public ConditionType Condition { get; set; }
    public abstract bool Evaluate(object value);
}

public class IntConditionNode : ConditionNode
{
    public int Value { get; set; }
    public int MinValue { get; set; }
    public int MaxValue { get; set; }
    public List<int> ExcludeValues { get; set; }

    public override bool Evaluate(object value)
    {
        if (value is int intValue)
        {
            switch (Condition)
            {
                case ConditionType.GreaterThan:
                    return intValue > Value;
                case ConditionType.LessThan:
                    return intValue < Value;
                case ConditionType.EqualTo:
                    return intValue == Value;
                case ConditionType.Between:
                    return intValue >= MinValue && intValue <= MaxValue;
                case ConditionType.NotBetween:
                    return intValue < MinValue || intValue > MaxValue;
                case ConditionType.NotInRange:
                    return !ExcludeValues.Contains(intValue);
                default:
                    return false;
            }
        }
        return false;
    }
}

public class BoolConditionNode : ConditionNode
{
    public override bool Evaluate(object value)
    {
        if (value is bool boolValue)
        {
            switch (Condition)
            {
                case ConditionType.IsTrue:
                    return boolValue;
                case ConditionType.IsFalse:
                    return !boolValue;
                default:
                    return false;
            }
        }
        return false;
    }
}

public class StringConditionNode : ConditionNode
{
    public string Substring { get; set; }

    public override bool Evaluate(object value)
    {
        if (value is string stringValue)
        {
            switch (Condition)
            {
                case ConditionType.Contains:
                    return stringValue.Contains(Substring);
                case ConditionType.DoesNotContain:
                    return !stringValue.Contains(Substring);
                case ConditionType.IsNotEmpty:
                    return !string.IsNullOrEmpty(stringValue);
                default:
                    return false;
            }
        }
        return false;
    }
}