private void findDeletedTopics(TopicToken original, TopicToken @new)
{
var deletedTopics = original.All().Where(x => @new.Find(x.Id) == null)
.Select(x => new DeleteTopic(x));
_deltas.AddRange(deletedTopics);
}
private void findNewAndDeletedFolders(TopicToken original, TopicToken @new)
{
var oldFolders = original.All().Select(x => x.Folder).Distinct().ToList();
var newFolders = @new.All().Select(x => x.Folder).Distinct().ToList();
var deletedFolders = oldFolders.Where(x => !newFolders.Contains(x)).Select(x => new DeleteFolder(x));
_deltas.AddRange(deletedFolders);
var addedFolders = newFolders.Where(x => !oldFolders.Contains(x)).Select(x => new CreateFolder(x));
_deltas.AddRange(addedFolders);
}
public DeltaCollector(TopicToken original, TopicToken @new)
{
@new.DeterminePaths(original.Folder);
findDeletedTopics(original, @new);
findNewAndDeletedFolders(original, @new);
@new.All().Each(x => {
var topicDeltas = x.DetermineDeltas(original);
_deltas.AddRange(topicDeltas);
});
}