:art: Partially refresh the interface after data synchronization https://github.com/siyuan-note/siyuan/issues/8098

kernel/api/system.go

@@ -182,7 +182,6 @@ func exportLog(c *gin.Context) {
 	}
 }
 
-var start = true // 是否是启动
 func getConf(c *gin.Context) {
 	ret := gulu.Ret.NewResult()
 	defer c.JSON(http.StatusOK, ret)
@@ -200,21 +199,21 @@ func getConf(c *gin.Context) {
 
 	ret.Data = map[string]interface{}{
 		"conf":  maskedConf,
-		"start": start,
+		"start": !util.IsUILoaded,
 	}
 
-	if start {
-		start = false
+	if !util.IsUILoaded {
+		go func() {
+			util.WaitForUILoaded()
 
-		if model.Conf.Editor.ReadOnly {
-			// 编辑器启用只读模式时启动后提示用户 https://github.com/siyuan-note/siyuan/issues/7700
-			go func() {
-				time.Sleep(time.Second * 7)
+			if model.Conf.Editor.ReadOnly {
+				// 编辑器启用只读模式时启动后提示用户 https://github.com/siyuan-note/siyuan/issues/7700
+				time.Sleep(time.Second * 3)
 				if model.Conf.Editor.ReadOnly {
 					util.PushMsg(model.Conf.Language(197), 7000)
 				}
-			}()
-		}
+			}
+		}()
 	}
 }
 

kernel/model/repository.go

@@ -1053,7 +1053,8 @@ func bootSyncRepo() (err error) {
 
 	if 0 < len(fetchedFiles) {
 		go func() {
-			time.Sleep(7 * time.Second) // 等待一段时间后前端完成界面初始化后再同步
+			util.WaitForUILoaded() // 等待一段时间后前端完成界面初始化后再同步，因为需要推送消息
+
 			syncErr := syncRepo(false, false)
 			if nil != err {
 				logging.LogErrorf("boot background sync repo failed: %s", syncErr)

kernel/server/serve.go

@@ -129,6 +129,8 @@ func Serve(fastMode bool) {
 		}
 	}()
 
+	go util.HookUILoaded()
+
 	if err = http.Serve(ln, ginServer); nil != err {
 		if !fastMode {
 			logging.LogErrorf("boot kernel failed: %s", err)

kernel/util/runtime.go

@@ -40,6 +40,26 @@ import (
 
 const DatabaseVer = "20220501" // 修改表结构的话需要修改这里
 
+// IsUILoaded 是否已经加载了 UI。
+var IsUILoaded = false
+
+func WaitForUILoaded() {
+	for !IsUILoaded {
+		logging.LogInfof("waiting for UI loading...")
+		time.Sleep(time.Second)
+	}
+}
+
+func HookUILoaded() {
+	for !IsUILoaded {
+		if 0 < len(SessionsByType("main")) {
+			IsUILoaded = true
+			return
+		}
+		time.Sleep(time.Second)
+	}
+}
+
 // IsExiting 是否正在退出程序。
 var IsExiting = false