/// <summary>
/// Fire mergingin event returning whether the merge shoudl be cancelled
/// </summary>
protected bool FireUnmerging(Guid surviorKey, IEnumerable <Guid> linkedKeys)
{
var dpe = new DataMergingEventArgs <TModel>(surviorKey, linkedKeys);
this.UnMerging?.Invoke(this, dpe);
return(dpe.Cancel);
}
/// <summary>
/// Merges the specified duplicates into the master
/// </summary>
public virtual RecordMergeResult Merge(Guid masterKey, IEnumerable <Guid> linkedDuplicates)
{
var mergeEventArgs = new DataMergingEventArgs <TModel>(masterKey, linkedDuplicates);
this.Merging?.Invoke(this, mergeEventArgs);
if (mergeEventArgs.Cancel)
{
this.m_tracer.TraceInfo("Pre-Event trigger indicated cancel merge");
return(new RecordMergeResult(RecordMergeStatus.Cancelled, null, null));
}
// The invoke may have changed the master
masterKey = mergeEventArgs.SurvivorKey;
var master = ApplicationServiceContext.Current.GetService <IDataPersistenceService <TModel> >().Get(masterKey, null, true, AuthenticationContext.Current.Principal);
// We'll update the parameters from the candidate to create a single master record
// TODO: Verify this in edge cases
Bundle persistenceBundle = new Bundle();
foreach (var l in linkedDuplicates)
{
var local = ApplicationServiceContext.Current.GetService <IDataPersistenceService <TModel> >().Get(l, null, true, AuthenticationContext.Current.Principal);
master.CopyObjectData(local, false); // Copy data which is different
// Add replaces and nullify
if (l == Guid.Empty)
{
if (master is Act actMaster)
{
actMaster.Relationships.Add(new ActRelationship(ActRelationshipTypeKeys.Replaces, l));
}
else if (master is Entity entityMaster)
{
entityMaster.Relationships.Add(new EntityRelationship(EntityRelationshipTypeKeys.Replaces, l));
}
persistenceBundle.Add(local);
}
else // Not persisted yet
{
if (master is Act actMaster)
{
actMaster.Relationships.Add(new ActRelationship(ActRelationshipTypeKeys.Replaces, masterKey)
{
TargetActKey = l
});
}
else if (master is Entity entityMaster)
{
entityMaster.Relationships.Add(new EntityRelationship(EntityRelationshipTypeKeys.Replaces, masterKey)
{
TargetEntityKey = l
});
}
}
(local as IHasState).StatusConceptKey = StatusKeys.Nullified;
}
master.Key = masterKey;
persistenceBundle.Add(master);
// Persist
ApplicationServiceContext.Current.GetService <IDataPersistenceService <Bundle> >().Update(persistenceBundle, TransactionMode.Commit, AuthenticationContext.SystemPrincipal);
this.Merged?.Invoke(this, new DataMergeEventArgs <TModel>(masterKey, linkedDuplicates));
return(new RecordMergeResult(RecordMergeStatus.Success, new Guid[] { masterKey }, linkedDuplicates.ToArray()));
}