Sitecore Digital Marketing System Part 2: Creating Conditions to compare custom values

using Sitecore.Rules;

using Sitecore.Rules.Conditions;

namespace RulesEngine.Rules

{

    public class AchievementsCondition<T> : 

           IntegerComparisonCondition<T> where T : RuleContext

    {

        //This is the value the editor will enter

        //I prefer to have a separate string property otherwise I could 

        //use base.Value int property but there will be errors if  

        //the editor doesn't enter a number

        public string Number { get; set; }

        /// <summary>

        /// This function will be called to test the condition

        /// </summary>       

        protected override bool Execute(T ruleContext)

        {

            //Get the current user from our dummy user session manager

            var user = UserSession.GetCurrentUser();

            //Check if the user is logged in, otherwise return false

            if (user == null)

                return false;

            int numberToCompare;

            if (!Int32.TryParse(Number, out numberToCompare))

            {

                //Return false if the editor didn't enter an integer.

                return false;

            }

            //Assign the value to base.Value to perform the comparison

            Value = numberToCompare;

            //Use base function to compare the values, this will compare

            //base.Value with the parameter sent

            return this.Compare(user.NumberAchievements);

        }

    }

}

using Sitecore.Rules;

using Sitecore.Rules.Conditions;

namespace RulesEngine.Rules

{

    public class RegistrationDateCondition<T> : 

           OperatorCondition<T> where T : RuleContext

    {

        //This is the value the editor will enter

        public string StartDate { get; set; }

        /// <summary>

        /// This function will be called to test the condition

        /// </summary>       

        protected override bool Execute(T ruleContext)

        {

            //Get the current user from our dummy user session manager

            var user = UserSession.GetCurrentUser();

            //Check if the user is logged in, otherwise return false

            if (user == null)

                return false;

            //Check the editor entered a value

            if (string.IsNullOrEmpty(StartDate))

            {

                return false;

            }

            DateTime userRegistrationDate = user.RegistrationDate;

            DateTime startDate = 

                     Sitecore.DateUtil.IsoDateToDateTime(StartDate);           

            //Do a date comparison and take the result return a value

            var compareResult = 

                userRegistrationDate.Date.CompareTo(startDate.Date);

            //Get the operator the editor selected

            switch (this.GetOperator())

            {

                case ConditionOperator.Equal:

                    return compareResult == 0;

                case ConditionOperator.GreaterThanOrEqual:

                    return compareResult == 0 || compareResult > 0;

                case ConditionOperator.GreaterThan:

                    return compareResult > 0;

                case ConditionOperator.LessThanOrEqual:

                    return compareResult == 0 || compareResult < 0;

                case ConditionOperator.LessThan:

                    return compareResult < 0;

                case ConditionOperator.NotEqual:

                    return compareResult != 0;

                default:

                    return false;

            }           

        }

    }