private bool TryUpdateMapping(
string entityName,
EntityWithETag<MdmId> entityWithETag,
MappingUpdatedEvent updatedEvent)
{
var response = mappingService.UpdateMapping(
entityName,
updatedEvent.MappingId,
updatedEvent.EntityId,
entityWithETag);
if (!response.IsValid)
{
this.eventAggregator.Publish(
new ErrorEvent(response.Fault != null ? response.Fault.Message : "Unknown Error"));
return false;
}
return true;
}
private bool TryGetMapping(
string entityName,
MappingUpdatedEvent updatedEvent,
out EntityWithETag<MdmId> mapping)
{
mapping = mappingService.GetMapping(entityName, updatedEvent.EntityId, updatedEvent.MappingId);
if (mapping.Object == null)
{
this.eventAggregator.Publish(new ErrorEvent("Unable to retrieve original mapping"));
return false;
}
return true;
}
private static MdmId NewMapping(EntityWithETag<MdmId> entityWithETag, MappingUpdatedEvent updatedEvent)
{
return new MdmId
{
DefaultReverseInd = updatedEvent.IsDefault,
IsMdmId = false,
SourceSystemOriginated = updatedEvent.IsSourceSystemOriginated,
StartDate = updatedEvent.StartDate,
Identifier = updatedEvent.NewValue,
EndDate = entityWithETag.Object.EndDate,
SystemName = entityWithETag.Object.SystemName,
};
}
private void MappingUpdated(MappingUpdatedEvent updatedEvent)
{
if (updatedEvent.Cancelled)
{
return;
}
EntityWithETag<MdmId> entityWithETag;
if (!TryGetMapping("Person", updatedEvent, out entityWithETag))
{
return;
}
if (entityWithETag.Object.EndDate <= updatedEvent.StartDate)
{
var message = string.Format(
"The start date of the new mapping must be before {0}",
entityWithETag.Object.EndDate);
this.eventAggregator.Publish(new ErrorEvent(message));
return;
}
var newMapping = NewMapping(entityWithETag, updatedEvent);
if (!TryCreateMapping("Person", newMapping, updatedEvent))
{
return;
}
if (!TryGetMapping("Person", updatedEvent, out entityWithETag))
{
return;
}
entityWithETag.Object.EndDate = updatedEvent.StartDate.AddSeconds(-1);
if (!TryUpdateMapping("Person", entityWithETag, updatedEvent))
{
return;
}
this.LoadPersonFromService(updatedEvent.EntityId, updatedEvent.StartDate, true);
this.eventAggregator.Publish(new StatusEvent(Message.MappingUpdated));
}
private void HideUpdateMapping(MappingUpdatedEvent obj)
{
this.ShowUpdateMappingRegion = false;
this.applicationCommands.CloseView(typeof(MappingUpdateView), RegionNames.MappingUpdateRegion);
}