From dcae3adfd8390040f6f6e4ba7cb9245e9393b38e Mon Sep 17 00:00:00 2001
From: lanyuanxiaoyao <lanyuanxiaoyao@gmail.com>
Date: Mon, 25 Nov 2024 18:31:44 +0800
Subject: [PATCH] =?UTF-8?q?feat(web):=20=E5=A2=9E=E5=8A=A0=E6=93=8D?=
 =?UTF-8?q?=E4=BD=9C=E5=AE=9E=E4=BD=93=E7=9A=84=E6=96=B9=E4=BE=BF=E6=96=B9?=
 =?UTF-8?q?=E6=B3=95?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../gringotts/web/helper/EntityHelper.java    | 32 +++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100644 gringotts-web/src/main/java/com/eshore/gringotts/web/helper/EntityHelper.java

diff --git a/gringotts-web/src/main/java/com/eshore/gringotts/web/helper/EntityHelper.java b/gringotts-web/src/main/java/com/eshore/gringotts/web/helper/EntityHelper.java
new file mode 100644
index 0000000..9234f4e
--- /dev/null
+++ b/gringotts-web/src/main/java/com/eshore/gringotts/web/helper/EntityHelper.java
@@ -0,0 +1,32 @@
+package com.eshore.gringotts.web.helper;
+
+import cn.hutool.core.util.ObjectUtil;
+import com.eshore.gringotts.web.domain.base.entity.SimpleEntity;
+import com.eshore.gringotts.web.domain.user.entity.User;
+import com.eshore.gringotts.web.domain.user.service.UserService;
+import java.util.function.Supplier;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+/**
+ * JPA工具
+ *
+ * @author lanyuanxiaoyao
+ * @date 2024-11-25
+ */
+public class EntityHelper {
+    public static <E, ID> void deleteIfUpdateNeeded(JpaRepository<E, ID> repository, Supplier<E> getter, E target) {
+        E old = getter.get();
+        if (ObjectUtil.notEqual(old, target)) {
+            repository.delete(old);
+        }
+    }
+
+    public static <E extends SimpleEntity> E fillCreatorAndModifier(E entity, UserService service) {
+        User user = service.currentLoginUser();
+        if (ObjectUtil.isNull(entity.getCreatedUser())) {
+            entity.setCreatedUser(user);
+        }
+        entity.setModifiedUser(user);
+        return entity;
+    }
+}