migrate.swift

    func migrate(noteManager : NoteManager) {
        if let coreDataNotes =  GNNote.MR_findAll() {
            for case let note as GNNote in coreDataNotes {
                if let bundleID = note.appBundleID, docPath = note.documentPath, content = note.content where !content.string.isEmpty {
                    noteManager.createNote(bundleID, docID: docPath, content: content)
                }
            }
        }
    }