feat: add panel update functionality via web GUI (#4117)

* feat: add panel update functionality via web GUI

* feat: enhance panel update notifications in web GUI

* feat: implement panel update modal and enhance translation strings

* fix design

web/controller/server.go

@@ -22,6 +22,7 @@ type ServerController struct {
 
 	serverService  service.ServerService
 	settingService service.SettingService
+	panelService   service.PanelService
 
 	lastStatus *service.Status
 
@@ -43,6 +44,7 @@ func (a *ServerController) initRouter(g *gin.RouterGroup) {
 	g.GET("/status", a.status)
 	g.GET("/cpuHistory/:bucket", a.getCpuHistoryBucket)
 	g.GET("/getXrayVersion", a.getXrayVersion)
+	g.GET("/getPanelUpdateInfo", a.getPanelUpdateInfo)
 	g.GET("/getConfigJson", a.getConfigJson)
 	g.GET("/getDb", a.getDb)
 	g.GET("/getNewUUID", a.getNewUUID)
@@ -54,6 +56,7 @@ func (a *ServerController) initRouter(g *gin.RouterGroup) {
 	g.POST("/stopXrayService", a.stopXrayService)
 	g.POST("/restartXrayService", a.restartXrayService)
 	g.POST("/installXray/:version", a.installXray)
+	g.POST("/updatePanel", a.updatePanel)
 	g.POST("/updateGeofile", a.updateGeofile)
 	g.POST("/updateGeofile/:fileName", a.updateGeofile)
 	g.POST("/logs/:count", a.getLogs)
@@ -131,6 +134,16 @@ func (a *ServerController) getXrayVersion(c *gin.Context) {
 	jsonObj(c, versions, nil)
 }
 
+// getPanelUpdateInfo retrieves the current and latest panel version.
+func (a *ServerController) getPanelUpdateInfo(c *gin.Context) {
+	info, err := a.panelService.GetUpdateInfo()
+	if err != nil {
+		jsonMsg(c, I18nWeb(c, "pages.index.panelUpdateCheckPopover"), err)
+		return
+	}
+	jsonObj(c, info, nil)
+}
+
 // installXray installs or updates Xray to the specified version.
 func (a *ServerController) installXray(c *gin.Context) {
 	version := c.Param("version")
@@ -138,6 +151,12 @@ func (a *ServerController) installXray(c *gin.Context) {
 	jsonMsg(c, I18nWeb(c, "pages.index.xraySwitchVersionPopover"), err)
 }
 
+// updatePanel starts a panel self-update to the latest release.
+func (a *ServerController) updatePanel(c *gin.Context) {
+	err := a.panelService.StartUpdate()
+	jsonMsg(c, I18nWeb(c, "pages.index.panelUpdateStartedPopover"), err)
+}
+
 // updateGeofile updates the specified geo file for Xray.
 func (a *ServerController) updateGeofile(c *gin.Context) {
 	fileName := c.Param("fileName")