From 113bca723f75f0f6376b23df443701d44d96b945 Mon Sep 17 00:00:00 2001
From: r-ca <nem@nem.x0.to>
Date: Wed, 24 Jan 2024 18:34:25 +0900
Subject: [PATCH] =?UTF-8?q?=E6=9C=80=E5=BE=8C=E3=81=AB=E8=BF=BD=E5=8A=A0?=
 =?UTF-8?q?=E3=81=97=E3=81=9FLog=E3=82=92=E5=89=8A=E9=99=A4=E3=81=99?=
 =?UTF-8?q?=E3=82=8B=E3=83=A1=E3=82=BD=E3=83=83=E3=83=89=E8=BF=BD=E5=8A=A0?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 vcs/src/main/java/one/nem/lacerta/vcs/LacertaVcs.java        | 2 ++
 .../main/java/one/nem/lacerta/vcs/impl/LacertaVcsImpl.java   | 5 +++++
 2 files changed, 7 insertions(+)

diff --git a/vcs/src/main/java/one/nem/lacerta/vcs/LacertaVcs.java b/vcs/src/main/java/one/nem/lacerta/vcs/LacertaVcs.java
index 5392e9b2..cccc44ac 100644
--- a/vcs/src/main/java/one/nem/lacerta/vcs/LacertaVcs.java
+++ b/vcs/src/main/java/one/nem/lacerta/vcs/LacertaVcs.java
@@ -16,6 +16,8 @@ public interface LacertaVcs {
 
     public void deletePage(int index);
 
+    public void undo();
+
     public void createDocument(String documentId);
 
     public void generateRevisionAtCurrent(String message);
diff --git a/vcs/src/main/java/one/nem/lacerta/vcs/impl/LacertaVcsImpl.java b/vcs/src/main/java/one/nem/lacerta/vcs/impl/LacertaVcsImpl.java
index e81ffa7d..5e193bcd 100644
--- a/vcs/src/main/java/one/nem/lacerta/vcs/impl/LacertaVcsImpl.java
+++ b/vcs/src/main/java/one/nem/lacerta/vcs/impl/LacertaVcsImpl.java
@@ -67,6 +67,11 @@ public class LacertaVcsImpl implements LacertaVcs {
 
     }
 
+    @Override
+    public void undo() {
+        database.vcsLogDao().deleteLatestByDocumentId(documentId);
+    }
+
     @Override
     public void createDocument(String documentId) {
         logger.debug(TAG, "createDocument");