实现HTTP部分功能

internal/web/actions/default/common/changedClusters.go

@@ -1,11 +1,13 @@
 package common
 
 import (
-	"github.com/TeaOSLab/EdgeCommon/pkg/rpc/pb"
 	"github.com/TeaOSLab/EdgeAdmin/internal/web/actions/actionutils"
+	"github.com/TeaOSLab/EdgeCommon/pkg/rpc/pb"
 	"github.com/iwind/TeaGo/maps"
+	"time"
 )
 
+// 检查变更的集群列表
 type ChangedClustersAction struct {
 	actionutils.ParentAction
 }
@@ -14,22 +16,50 @@ func (this *ChangedClustersAction) Init() {
 	this.Nav("", "", "")
 }
 
-func (this *ChangedClustersAction) RunGet(params struct{}) {
-	resp, err := this.RPC().NodeClusterRPC().FindAllChangedNodeClusters(this.AdminContext(), &pb.FindAllChangedNodeClustersRequest{})
-	if err != nil {
-		this.ErrorPage(err)
-		return
-	}
+func (this *ChangedClustersAction) RunGet(params struct {
+	IsNotifying bool
+}) {
+	timeout := time.NewTimer(55 * time.Second) // 比客户端提前结束，避免在客户端产生一个请求错误
 
-	result := []maps.Map{}
-	for _, cluster := range resp.Clusters {
-		result = append(result, maps.Map{
-			"id":   cluster.Id,
-			"name": cluster.Name,
-		})
-	}
+	this.Data["clusters"] = []interface{}{}
 
-	this.Data["clusters"] = result
+Loop:
+	for {
+		select {
+		case <-this.Request.Context().Done():
+			break Loop
+		case <-timeout.C:
+			break Loop
+		default:
+			// 继续
+		}
+
+		resp, err := this.RPC().NodeClusterRPC().FindAllChangedNodeClusters(this.AdminContext(), &pb.FindAllChangedNodeClustersRequest{})
+		if err != nil {
+			this.ErrorPage(err)
+			return
+		}
+
+		result := []maps.Map{}
+		for _, cluster := range resp.Clusters {
+			result = append(result, maps.Map{
+				"id":   cluster.Id,
+				"name": cluster.Name,
+			})
+		}
+
+		// 从提醒到提醒消失
+		if len(result) == 0 && params.IsNotifying {
+			break
+		}
+
+		this.Data["clusters"] = result
+		if len(result) > 0 {
+			break
+		}
+
+		time.Sleep(1 * time.Second)
+	}
 
 	this.Success()
 }