added get balance api

Former-commit-id: 2c8df40865

api/desc/pcm.api

@@ -978,6 +978,9 @@ service pcm {
 
 	@handler GetComputeCardsByClusterHandler
 	get /schedule/getComputeCardsByCluster/:adapterId/:clusterId (GetComputeCardsByClusterReq) returns (GetComputeCardsByClusterResp)
+
+	@handler GetClusterBalanceByIdHandler
+	get /schedule/getClusterBalanceById/:adapterId/:clusterId (GetClusterBalanceByIdReq) returns (GetClusterBalanceByIdResp)
 }
 
 @server(

api/desc/schedule/pcm-schedule.api

@@ -141,4 +141,13 @@ type (
     GetComputeCardsByClusterResp {
         Cards []string `json:"cards"`
     }
+
+    GetClusterBalanceByIdReq{
+        AdapterId string `path:"adapterId"`
+        ClusterId string `path:"clusterId"`
+    }
+
+    GetClusterBalanceByIdResp{
+        Balance float64 `json:"balance"`
+    }
 )

api/internal/logic/core/pagelisttasklogic.go

@@ -143,6 +143,11 @@ func (l *PageListTaskLogic) updateTaskStatus(tasks []*types.TaskModel, ch chan<-
 		}
 	}
 
+	if len(aiTask) == 0 {
+		ch <- struct{}{}
+		return
+	}
+
 	start, _ := time.ParseInLocation(constants.Layout, aiTask[0].StartTime, time.Local)
 	end, _ := time.ParseInLocation(constants.Layout, aiTask[0].EndTime, time.Local)