Adding a new IMergePreProcessor

development processors

The IMergePreProcessor is your ability to provide custom input before records will Merge. This is useful if you want to inject your own custom logic to either cancel a merge or to modify the record or add logging before a Merge happens.

using System;
using System.Collections.Generic;
using System.Linq;

using CluedIn.Core;
using CluedIn.Core.Data;
using CluedIn.Core.Data.Parts;
using CluedIn.Core.Processing;
using CluedIn.Processing.Models.Utilities;

namespace CluedIn.Processing.Processors.PreProcessing
{
    /// <summary>A merge pre processor.</summary>
    /// <seealso cref="IEntityMetadataPart"/>
    /// <seealso cref="IMergePreProcessor"/>
    public class TimeStampMergePreProcessor : PropertyUtility<IEntityMetadataPart>, IMergePreProcessor
    {
        /// <inheritdoc/>
        public bool Accepts(ExecutionContext context, IEnumerable<IEntityCode> codes)
        {
            return true;
        }

        public SaveResult Process(ExecutionContext context, IEntityMetadataPart metadataToMerge, IDataPart dataToMerge, Entity targetEntity)
        {
            if (dataToMerge == null)
                return SaveResult.Ignored;

            metadataToMerge.Properties["mergeTimeStamp"] = DateTimeOffset.UtcNow.ToString();

            return SaveResult.Success;
        }
    }
}