Hi,
I solved the problem changing the code:
using System;
using System.Collections.Generic;
using System.Text;
using Infoman.Crm.Core.Platform.Logging;
using Infoman.Crm.Core.Platform.Entities;
using Infoman.Crm.Core.Platform.Plugins;
using Microsoft.Crm.Sdk;
using Microsoft.Crm.SdkTypeProxy;
using Microsoft.Crm.Sdk.Query;
namespace Draeger.Plugin.Crm.OpportunityProductDiscountCalculator
{
public class OpportunityProductManualDiscountCalculator : PluginBase
{
protected override void RegisterExecution()
{
AddExecution(PostUpdateOpportunityProduct, MessageName.Update, Conditions.PostExecute);
AddExecution(PostUpdateOpportunityProduct, MessageName.Create, Conditions.PostExecute);
}
protected void PostUpdateOpportunityProduct()
{
try
{
IOpportunityProduct opportunityProduct =
EntityFactory.Create<IOpportunityProduct>(Context.PostEntityImages["DefaultImage"] as DynamicEntity);
if (opportunityProduct == null)
{
Logger.WriteVerbose("No valid opportunityProduct found!");
}
else
{
Guid oPGuid = opportunityProduct.OpportunityProductId.Value;
retrieveManualDiscount(oPGuid, opportunityProduct);
}
}
catch (Exception e)
{
Logger.WriteVerbose("some error! " + e.Message);
}
}
public void retrieveManualDiscount(Guid oPGuid, IOpportunityProduct opportunityProduct)
{
DynamicEntity followup = new DynamicEntity();
followup.Name = EntityName.opportunityproduct.ToString();
ICrmService service = Context.CreateCrmService(true);
ColumnSet columnSet = new ColumnSet();
columnSet.AddColumn("manualdiscountamount");
TargetRetrieveDynamic target = new TargetRetrieveDynamic();
target.EntityId = oPGuid;
target.EntityName = EntityName.opportunityproduct.ToString();
RetrieveRequest retrieve = new RetrieveRequest();
retrieve.Target = target;
retrieve.ColumnSet = columnSet;
retrieve.ReturnDynamicEntities = true;
// Create a response reference and execute the retrieve request.
RetrieveResponse response = (RetrieveResponse)service.Execute(retrieve);
DynamicEntity entity = (DynamicEntity)response.BusinessEntity;
decimal manualDiscountCmp = opportunityProduct.ManualDiscountAmount.Value;
Logger.WriteVerbose("Old manualDiscount: " + manualDiscountCmp);
decimal manualDiscount = PrepareAndCalculateManualDiscount(opportunityProduct);
CrmMoneyProperty manualDiscountProperty = new CrmMoneyProperty("manualdiscountamount", new CrmMoney(manualDiscount));
entity.Properties.Add(manualDiscountProperty);
if (manualDiscount != manualDiscountCmp)
{
Logger.WriteVerbose("New manualDiscount: " + manualDiscount);
service.Update(entity);
}
return;
}
public decimal PrepareAndCalculateManualDiscount(IOpportunityProduct opportunityProduct)
{
decimal pricePerUnit = opportunityProduct.Speed1PriceperUnit.Value;
decimal quantity = opportunityProduct.Quantity.Value;
decimal listPrice = opportunityProduct.PricePerUnit.Value;
decimal manualDiscount = CalculateManualDiscount(pricePerUnit, quantity, listPrice);
return manualDiscount;
}
public decimal CalculateManualDiscount(decimal pricePerUnit, decimal quantity, decimal listPrice)
{
return (listPrice - pricePerUnit) * quantity;
}
}
}
As you see I check the computed value before updating the service, so it will work only once.
@Rett: I don't understand the question. Was ist related to the pre update event? That's what I still want to know: How can I check edited values in the pre update event.
Also the problem with the Context.Depth is not solved for me but it doesnt matter in my case.
Thanks all and I would be happy to get answers to my last two questions.
Best regrads, Eckart
