refactor: update codes in backend server

Author: jemlog

chaoscenter/graphql/server/pkg/chaos_experiment/handler/handler.go

@@ -1513,7 +1513,7 @@ func (c *ChaosExperimentHandler) StopExperimentRuns(ctx context.Context, project
 		if len(experimentRunsID) == 0 && experiment.CronSyntax == "" {
 			return false, fmt.Errorf("no running or timeout experiments found")
 		}
-	} else if experimentRunID != nil && *experimentRunID != "" {
+	} else if *experimentRunID != "" {
 		experimentRunsID = []string{*experimentRunID}
 	}
 

chaoscenter/graphql/server/pkg/environment/handler/handler.go

@@ -228,7 +228,7 @@ func (e *EnvironmentService) ListEnvironments(projectID string, request *model.L
 	}
 
 	// Filtering based on given parameters
-	if request.Filter != nil {
+	if request != nil && request.Filter != nil {
 		// Filtering based on chaos_infra name
 		if request.Filter.Name != nil && *request.Filter.Name != "" {
 			matchInfraNameStage := bson.D{
@@ -280,7 +280,7 @@ func (e *EnvironmentService) ListEnvironments(projectID string, request *model.L
 	var sortStage bson.D
 
 	switch {
-	case request.Sort != nil && request.Sort.Field == model.EnvironmentSortingFieldTime:
+	case request != nil && request.Sort != nil && request.Sort.Field == model.EnvironmentSortingFieldTime:
 		// Sorting based on created time
 		if request.Sort.Ascending != nil && *request.Sort.Ascending {
 			sortStage = bson.D{
@@ -295,7 +295,7 @@ func (e *EnvironmentService) ListEnvironments(projectID string, request *model.L
 				}},
 			}
 		}
-	case request.Sort != nil && request.Sort.Field == model.EnvironmentSortingFieldName:
+	case request != nil && request.Sort != nil && request.Sort.Field == model.EnvironmentSortingFieldName:
 		// Sorting based on ExperimentName time
 		if request.Sort.Ascending != nil && *request.Sort.Ascending {
 			sortStage = bson.D{
@@ -324,7 +324,7 @@ func (e *EnvironmentService) ListEnvironments(projectID string, request *model.L
 		sortStage,
 	}
 
-	if request.Pagination != nil {
+	if request != nil && request.Pagination != nil {
 		paginationSkipStage := bson.D{
 			{"$skip", request.Pagination.Page * request.Pagination.Limit},
 		}

chaoscenter/graphql/server/pkg/gitops/service.go

@@ -621,12 +621,11 @@ func (g *gitOpsService) updateExperiment(ctx context.Context, data, wfID, file s
 	}
 
 	revID := ""
-	updateRevision := false
 	input, wfType, err := g.chaosExperimentService.ProcessExperiment(ctx, &experimentData, config.ProjectID, revID)
 	if err != nil {
 		return err
 	}
-	return g.chaosExperimentService.ProcessExperimentUpdate(input, "git-ops", wfType, revID, updateRevision, config.ProjectID, dataStore.Store)
+	return g.chaosExperimentService.ProcessExperimentUpdate(input, "git-ops", wfType, revID, false, config.ProjectID, dataStore.Store)
 }
 
 // deleteExperiment helps in deleting experiment from DB during the SyncDBToGit operation