fix nilerr bugs

services/settings/pkg/store/filesystem/assignments.go

@@ -15,7 +15,7 @@ func (s Store) ListRoleAssignments(accountUUID string) ([]*settingsmsg.UserRoleA
 	assignmentsFolder := s.buildFolderPathForRoleAssignments(false)
 	assignmentFiles, err := os.ReadDir(assignmentsFolder)
 	if err != nil {
-		return records, nil
+		return nil, nil
 	}
 
 	for _, assignmentFile := range assignmentFiles {

services/settings/pkg/store/filesystem/bundles.go

@@ -23,7 +23,7 @@ func (s Store) ListBundles(bundleType settingsmsg.Bundle_Type, bundleIDs []strin
 	bundlesFolder := s.buildFolderPathForBundles(false)
 	bundleFiles, err := os.ReadDir(bundlesFolder)
 	if err != nil {
-		return []*settingsmsg.Bundle{}, nil
+		return nil, err
 	}
 
 	records := make([]*settingsmsg.Bundle, 0, len(bundleFiles))
@@ -133,7 +133,7 @@ func (s Store) AddSettingToBundle(bundleID string, setting *settingsmsg.Setting)
 func (s Store) RemoveSettingFromBundle(bundleID string, settingID string) error {
 	bundle, err := s.ReadBundle(bundleID)
 	if err != nil {
-		return nil
+		return err
 	}
 	if ok := removeSetting(bundle, settingID); ok {
 		if _, err := s.WriteBundle(bundle); err != nil {

services/settings/pkg/store/filesystem/values.go

@@ -18,7 +18,7 @@ func (s Store) ListValues(bundleID, accountUUID string) ([]*settingsmsg.Value, e
 	valuesFolder := s.buildFolderPathForValues(false)
 	valueFiles, err := os.ReadDir(valuesFolder)
 	if err != nil {
-		return []*settingsmsg.Value{}, nil
+		return nil, err
 	}
 
 	records := make([]*settingsmsg.Value, 0, len(valueFiles))
@@ -71,7 +71,7 @@ func (s Store) ReadValueByUniqueIdentifiers(accountUUID, settingID string) (*set
 			s.Logger.Debug().Msgf("reading contents from file: %v", filepath.Join(valuesFolder, files[i].Name()))
 			if err := s.parseRecordFromFile(&r, filepath.Join(valuesFolder, files[i].Name())); err != nil {
 				s.Logger.Debug().Msgf("match found: %v", filepath.Join(valuesFolder, files[i].Name()))
-				return &settingsmsg.Value{}, nil
+				return nil, err
 			}
 
 			// if value saved without accountUUID, then it's a global value