public async Task InsertWithHistoryAsync(EntityPackage newData, long user, Action <EntityPackage> modifyBeforeCreate = null)
{
if (newData.Entity.id > 0)
{
throw new InvalidOperationException("'New' package has non-zero id!");
}
var mainEntity = newData.Entity;
await provider.WriteAsync(mainEntity);
try
{
newData.Relink();
modifyBeforeCreate?.Invoke(newData);
var writes = new List <EntityBase>();
//Must write everything else at the same time. We only wrote the first thing to get the ID
writes.AddRange(newData.Values);
writes.AddRange(newData.Relations);
writes.Add(activityService.MakeActivity(newData.Entity, user, Keys.CreateAction));
await provider.WriteAsync(writes.ToArray());
}
catch
{
logger.LogError("Failure during historic insert, trying to undo... Exception bubbling");
await provider.DeleteAsync(mainEntity);
throw;
}
}
public EntityPackage ConvertHistoryToUpdate(EntityPackage history)
{
var result = new EntityPackage(history);
//Pull out (literally) the history relation
var historyLink = result.Relations.Where(x => x.type == Keys.HistoryRelation).OnlySingle();
result.Relations.RemoveAll(x => x.type == Keys.HistoryRelation);
//Update the id from history, relink to us (I don't know if relinking matters...)
result.Entity.id = historyLink.entityId1;
result.Relink();
//Finally, mark the type as would normally be
result.Entity.type = result.Entity.type.Substring(Keys.HistoryKey.Length);
return(result);
}
