fix(mongodbflex): print valid JSON for list cmds

relates to STACKITCLI-244

Author: rubenhoenle

internal/cmd/mongodbflex/backup/list/list.go

@@ -74,11 +74,7 @@ func NewCmd(params *params.CmdParams) *cobra.Command {
 			if err != nil {
 				return fmt.Errorf("get backups for MongoDB Flex instance %q: %w", instanceLabel, err)
 			}
-			if resp.Items == nil || len(*resp.Items) == 0 {
-				cmd.Printf("No backups found for instance %q\n", instanceLabel)
-				return nil
-			}
-			backups := *resp.Items
+			backups := utils.GetSliceFromPointer(resp.Items)
 
 			restoreJobs, err := apiClient.ListRestoreJobs(ctx, model.ProjectId, *model.InstanceId, model.Region).Execute()
 			if err != nil {
@@ -90,7 +86,7 @@ func NewCmd(params *params.CmdParams) *cobra.Command {
 				backups = backups[:*model.Limit]
 			}
 
-			return outputResult(params.Printer, model.OutputFormat, backups, restoreJobs)
+			return outputResult(params.Printer, model.OutputFormat, instanceLabel, backups, restoreJobs)
 		},
 	}
 
@@ -135,12 +131,17 @@ func buildRequest(ctx context.Context, model *inputModel, apiClient *mongodbflex
 	return req
 }
 
-func outputResult(p *print.Printer, outputFormat string, backups []mongodbflex.Backup, restoreJobs *mongodbflex.ListRestoreJobsResponse) error {
+func outputResult(p *print.Printer, outputFormat, instanceLabel string, backups []mongodbflex.Backup, restoreJobs *mongodbflex.ListRestoreJobsResponse) error {
 	if restoreJobs == nil {
 		return fmt.Errorf("restore jobs is empty")
 	}
 
 	return p.OutputResult(outputFormat, backups, func() error {
+		if len(backups) == 0 {
+			p.Outputf("No backups found for instance %q\n", instanceLabel)
+			return nil
+		}
+
 		table := tables.NewTable()
 		table.SetHeader("ID", "CREATED AT", "EXPIRES AT", "BACKUP SIZE", "RESTORE STATUS")
 		for i := range backups {

internal/cmd/mongodbflex/instance/list/list.go

@@ -65,23 +65,20 @@ func NewCmd(params *params.CmdParams) *cobra.Command {
 			if err != nil {
 				return fmt.Errorf("get MongoDB Flex instances: %w", err)
 			}
-			if resp.Items == nil || len(*resp.Items) == 0 {
-				projectLabel, err := projectname.GetProjectName(ctx, params.Printer, params.CliVersion, cmd)
-				if err != nil {
-					params.Printer.Debug(print.ErrorLevel, "get project name: %v", err)
-					projectLabel = model.ProjectId
-				}
-				params.Printer.Info("No instances found for project %q\n", projectLabel)
-				return nil
+			instances := utils.GetSliceFromPointer(resp.Items)
+
+			projectLabel, err := projectname.GetProjectName(ctx, params.Printer, params.CliVersion, cmd)
+			if err != nil {
+				params.Printer.Debug(print.ErrorLevel, "get project name: %v", err)
+				projectLabel = model.ProjectId
 			}
-			instances := *resp.Items
 
 			// Truncate output
 			if model.Limit != nil && len(instances) > int(*model.Limit) {
 				instances = instances[:*model.Limit]
 			}
 
-			return outputResult(params.Printer, model.OutputFormat, instances)
+			return outputResult(params.Printer, model.OutputFormat, projectLabel, instances)
 		},
 	}
 
@@ -121,8 +118,13 @@ func buildRequest(ctx context.Context, model *inputModel, apiClient *mongodbflex
 	return req
 }
 
-func outputResult(p *print.Printer, outputFormat string, instances []mongodbflex.InstanceListInstance) error {
+func outputResult(p *print.Printer, outputFormat, projectLabel string, instances []mongodbflex.InstanceListInstance) error {
 	return p.OutputResult(outputFormat, instances, func() error {
+		if len(instances) == 0 {
+			p.Outputf("No instances found for project %q\n", projectLabel)
+			return nil
+		}
+
 		table := tables.NewTable()
 		table.SetHeader("ID", "NAME", "STATUS")
 		for i := range instances {

internal/cmd/mongodbflex/user/list/list.go

@@ -68,23 +68,20 @@ func NewCmd(params *params.CmdParams) *cobra.Command {
 			if err != nil {
 				return fmt.Errorf("get MongoDB Flex users: %w", err)
 			}
-			if resp.Items == nil || len(*resp.Items) == 0 {
-				instanceLabel, err := mongodbflexUtils.GetInstanceName(ctx, apiClient, model.ProjectId, *model.InstanceId, model.Region)
-				if err != nil {
-					params.Printer.Debug(print.ErrorLevel, "get instance name: %v", err)
-					instanceLabel = *model.InstanceId
-				}
-				params.Printer.Info("No users found for instance %q\n", instanceLabel)
-				return nil
+			users := utils.GetSliceFromPointer(resp.Items)
+
+			instanceLabel, err := mongodbflexUtils.GetInstanceName(ctx, apiClient, model.ProjectId, *model.InstanceId, model.Region)
+			if err != nil {
+				params.Printer.Debug(print.ErrorLevel, "get instance name: %v", err)
+				instanceLabel = *model.InstanceId
 			}
-			users := *resp.Items
 
 			// Truncate output
 			if model.Limit != nil && len(users) > int(*model.Limit) {
 				users = users[:*model.Limit]
 			}
 
-			return outputResult(params.Printer, model.OutputFormat, users)
+			return outputResult(params.Printer, model.OutputFormat, instanceLabel, users)
 		},
 	}
 
@@ -129,8 +126,13 @@ func buildRequest(ctx context.Context, model *inputModel, apiClient *mongodbflex
 	return req
 }
 
-func outputResult(p *print.Printer, outputFormat string, users []mongodbflex.ListUser) error {
+func outputResult(p *print.Printer, outputFormat, instanceLabel string, users []mongodbflex.ListUser) error {
 	return p.OutputResult(outputFormat, users, func() error {
+		if len(users) == 0 {
+			p.Outputf("No users found for instance %q\n", instanceLabel)
+			return nil
+		}
+
 		table := tables.NewTable()
 		table.SetHeader("ID", "USERNAME")
 		for i := range users {