From 38c15ae91e4af231e45ff13b3e5086d512067674 Mon Sep 17 00:00:00 2001
From: zhanzhenping <128675240+Zzhenping@users.noreply.github.com>
Date: Wed, 3 Jul 2024 09:31:45 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20=E5=A2=9E=E5=8A=A0=E9=A6=96=E9=A1=B5?=
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---
 controllers/BookController.go |  4 ++++
 static/js/sort.js             | 18 ++++++++++++++++--
 2 files changed, 20 insertions(+), 2 deletions(-)

diff --git a/controllers/BookController.go b/controllers/BookController.go
index 06ec4465..095e82fb 100644
--- a/controllers/BookController.go
+++ b/controllers/BookController.go
@@ -775,6 +775,10 @@ func (c *BookController) Release() {
 
 // 更新项目排序
 func (c *BookController) UpdateBookOrder() {
+	if !c.Member.IsAdministrator() {
+		c.JsonResult(403, "权限不足")
+		return
+	}
 	type Params struct {
 		Ids string `form:"ids"`
 	}
diff --git a/static/js/sort.js b/static/js/sort.js
index bb843766..8fc617ea 100644
--- a/static/js/sort.js
+++ b/static/js/sort.js
@@ -1,8 +1,12 @@
 let draggedItem = null;
+let draggedItemIndex = null;
 
 document.querySelectorAll('.list-item').forEach(item => {
     item.addEventListener('mousedown', function() {
         draggedItem = item;
+        // 获取当前item在list-item中的索引
+        const parentNode = item.parentNode;
+        draggedItemIndex = Array.from(parentNode.children).indexOf(draggedItem);
         item.setAttribute('draggable', true);
     });
 
@@ -45,15 +49,25 @@ document.querySelectorAll('.list-item').forEach(item => {
                 success: function (res) {
                     if (res.errcode === 0) {
                         layer.msg("排序成功", {icon: 1});
+                        draggedItem = null;
                     } else {
-                        layer.msg("排序失败", {icon: 2});
+                        layer.msg(res.message, {icon: 2});
+                        const parentNode = item.parentNode;
+                        // 在parentNode中找到当前拖拽的item
+                        const draggedIndex = Array.from(parentNode.children).indexOf(draggedItem);
+                        console.log('draggedIndex:', draggedIndex);
+                        // 移除当前拖拽的item
+                        parentNode.removeChild(draggedItem);
+                        // 将draggedItem放到原来的位置
+                        parentNode.insertBefore(draggedItem, parentNode.children[draggedItemIndex]);
+                        draggedItem = null;
                     }
                 },
                 error: function (err) {
                     console.log('error:', err)
+                    draggedItem = null;
                 }
             })
-            draggedItem = null;
         }
     });
 });
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