/// <summary>
/// Executes the plug-in.
/// </summary>
/// <param name="localContext">The <see cref="LocalPluginContext"/> which contains the
/// <see cref="IPluginExecutionContext"/>,
/// <see cref="IOrganizationService"/>
/// and <see cref="ITracingService"/>
/// </param>
/// <remarks>
/// For improved performance, Microsoft Dynamics CRM caches plug-in instances.
/// The plug-in's Execute method should be written to be stateless as the constructor
/// is not called for every invocation of the plug-in. Also, multiple system threads
/// could execute the plug-in at the same time. All per invocation state information
/// is stored in the context. This means that you should not use global variables in plug-ins.
/// </remarks>
protected void ExecutePreValidateContactDelete(LocalPluginContext localContext)
{
if (localContext == null)
{
throw new ArgumentNullException("localContext");
}
IPluginExecutionContext context = localContext.PluginExecutionContext;
IOrganizationService service = localContext.OrganizationService;
ITracingService trace = localContext.TracingService;
var contact = (EntityReference)context.InputParameters["Target"];
string message = context.MessageName;
if (context.Depth > 1)
{
return;
}
try
{
ContactHandler contactHandler = new ContactHandler(service, trace);
EntityCollection contactCollection = CommonHandler.RetrieveRecordsByOneValue("contact", "contactid", contact.Id, service,
null, OrderType.Ascending, new[] { "parentcontactid", "gsc_recordtype", "gsc_ispotential" });
Entity contactEntity = contactCollection.Entities[0];
Boolean isProspect = contactEntity.GetAttributeValue <Boolean>("gsc_ispotential");
if (contactEntity.Contains("gsc_recordtype") && contactEntity.GetAttributeValue <OptionSetValue>("gsc_recordtype").Value == 100000003)
{
contactHandler.ClearPrimaryContactDetails(contactEntity);
}
if (contactHandler.IsUsedInTransaction(contactEntity) == true)
{
throw new InvalidPluginExecutionException("Unable to delete individual record(s) used in transaction");
}
}
catch (Exception ex)
{
if (ex.Message.Contains("Unable to delete individual record(s) used in transaction"))
{
throw new InvalidPluginExecutionException(ex.Message);
}
else
{
throw new InvalidPluginExecutionException(String.Concat("(Exception)\n", ex.Message, Environment.NewLine, ex.StackTrace));
}
}
}
