From d12cb70cb92d50d9375dda3fc6ee8598889463c8 Mon Sep 17 00:00:00 2001
From: GoEdgeLab <goedgecloud@gmail.com>
Date: Fri, 5 Nov 2021 15:29:37 +0800
Subject: [PATCH] =?UTF-8?q?=E5=8F=AA=E6=9C=89=E4=B8=80=E4=B8=AA=E5=8F=AF?=
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---
 internal/web/actions/default/api/delete.go | 29 ++++++++++++++++++----
 1 file changed, 24 insertions(+), 5 deletions(-)

diff --git a/internal/web/actions/default/api/delete.go b/internal/web/actions/default/api/delete.go
index 2772e046..3f4435de 100644
--- a/internal/web/actions/default/api/delete.go
+++ b/internal/web/actions/default/api/delete.go
@@ -13,16 +13,35 @@ type DeleteAction struct {
 func (this *DeleteAction) RunPost(params struct {
 	NodeId int64
 }) {
-	// TODO 检查权限
+	// 创建日志
+	defer this.CreateLog(oplogs.LevelInfo, "删除API节点 %d", params.NodeId)
 
-	_, err := this.RPC().APINodeRPC().DeleteAPINode(this.AdminContext(), &pb.DeleteAPINodeRequest{NodeId: params.NodeId})
+	// 检查是否是唯一的节点
+	nodeResp, err := this.RPC().APINodeRPC().FindEnabledAPINode(this.AdminContext(), &pb.FindEnabledAPINodeRequest{NodeId: params.NodeId})
+	if err != nil {
+		this.ErrorPage(err)
+		return
+	}
+	var apiNode = nodeResp.Node
+	if apiNode == nil {
+		this.Success()
+	}
+	if apiNode.IsOn {
+		countResp, err := this.RPC().APINodeRPC().CountAllEnabledAndOnAPINodes(this.AdminContext(), &pb.CountAllEnabledAndOnAPINodesRequest{})
+		if err != nil {
+			this.ErrorPage(err)
+			return
+		}
+		if countResp.Count == 1 {
+			this.Fail("无法删除此节点：必须至少保留一个可用的API节点")
+		}
+	}
+
+	_, err = this.RPC().APINodeRPC().DeleteAPINode(this.AdminContext(), &pb.DeleteAPINodeRequest{NodeId: params.NodeId})
 	if err != nil {
 		this.ErrorPage(err)
 		return
 	}
 
-	// 创建日志
-	defer this.CreateLog(oplogs.LevelInfo, "删除API节点 %d", params.NodeId)
-
 	this.Success()
 }