[release-12.0.1] Dashboard and Folders: fix version mismatch (#104717)

Folders: Fix version mismatch errors

pkg/services/folder/folderimpl/conversions.go

@@ -88,6 +88,7 @@ func (ss *FolderUnifiedStoreImpl) UnstructuredToLegacyFolder(ctx context.Context
 		updaterId = creatorId
 	}
 
+	folder.Version = int(item.GetGeneration())
 	folder.CreatedBy = creatorId
 	folder.UpdatedBy = updaterId
 
@@ -124,6 +125,7 @@ func (ss *FolderUnifiedStoreImpl) UnstructuredToLegacyFolderList(ctx context.Con
 			updaterId = creatorId
 		}
 
+		folder.Version = int(item.GetGeneration())
 		folder.CreatedBy = creatorId
 		folder.UpdatedBy = updaterId
 		folders = append(folders, folder)

pkg/services/folder/folderimpl/folder_unifiedstorage.go

@@ -591,6 +591,8 @@ func (s *Service) updateOnApiServer(ctx context.Context, cmd *folder.UpdateFolde
 		NewTitle:       cmd.NewTitle,
 		NewDescription: cmd.NewDescription,
 		SignedInUser:   user,
+		Overwrite:      cmd.Overwrite,
+		Version:        cmd.Version,
 	})
 
 	if err != nil {

pkg/services/folder/folderimpl/unifiedstore.go

@@ -104,6 +104,11 @@ func (ss *FolderUnifiedStoreImpl) Update(ctx context.Context, cmd folder.UpdateF
 			return nil, err
 		}
 		meta.SetFolder(*cmd.NewParentUID)
+	} else {
+		// only compare versions if not moving the folder
+		if !cmd.Overwrite && (cmd.Version != int(obj.GetGeneration())) {
+			return nil, dashboards.ErrDashboardVersionMismatch
+		}
 	}
 
 	out, err := ss.k8sclient.Update(ctx, updated, cmd.OrgID, v1.UpdateOptions{