/// <summary>
/// workout what is a delete, anything that isn't in the target but is in the master
/// should be a delete.
/// </summary>
/// <param name="master"></param>
/// <param name="target"></param>
/// <returns></returns>
private void IdentifyDeletes(string master, string target)
{
var missingFiles = MigrationIO.LeftOnlyFiles(master, target);
var actionTracker = new ActionTracker(target);
foreach (var file in missingFiles)
{
// work out the type of file...
if (File.Exists(file.FullName))
{
XElement node = XElement.Load(file.FullName);
var itemType = node.GetUmbracoType();
var key = node.NameFromNode();
// we need to find id's to handle deletes,
// and we need to check that the thing hasn't been renamed.
// so if it exsits only in master we need to double check its id
// doesn't still exist somewhere else on the install with the
// same id but a different name,
// we basically need some id hunting shizzel.
if (itemType != default(Type))
{
var fileKey = MigrationIDHunter.GetItemId(node);
if (!string.IsNullOrEmpty(fileKey))
{
if (MigrationIDHunter.FindInFiles(target, fileKey))
{
// the key exists somewhere else in the
// folder, so it's a rename of something
// we won't add this one to the delete pile.
// but we will need to signal somehow that
// the old name is wrong, so that on a full
// merge the two files don't get included.
actionTracker.AddAction(SyncActionType.Obsolete, file.FullName, itemType);
continue;
}
}
}
// if we can't workout what type of thing it is, we assume
// it's a file, then we can deal with it like a delete
// later on.
if (itemType == default(Type))
{
itemType = typeof(FileInfo);
}
actionTracker.AddAction(SyncActionType.Delete, key, itemType);
}
}
actionTracker.SaveActions();
}
