Revert "Do not generate revision when tag is updated"

This reverts commit 8b7dd597e4b89f661f2d77b029d30919fc2db9f3.

packages/app/src/components/Navbar/GrowiContextualSubNavigation.tsx

@@ -210,7 +210,9 @@ const GrowiContextualSubNavigation = (props) => {
 
   const tagsUpdatedHandlerForViewMode = useCallback(async(newTags: string[]) => {
     try {
-      await apiPost('/tags.update', { pageId, revisionId, tags: newTags });
+      const res: IResTagsUpdateApiv1 = await apiPost('/tags.update', { pageId, revisionId, tags: newTags });
+      const updatedRevisionId = getIdForRef(res.savedPage.revision);
+      await pageContainer.setState({ revisionId: updatedRevisionId });
 
       // revalidate SWRTagsInfo
       mutateSWRTagsInfo();
@@ -222,7 +224,7 @@ const GrowiContextualSubNavigation = (props) => {
       toastError(err, 'fail to update tags');
     }
 
-  }, [pageId, revisionId, mutateSWRTagsInfo, mutatePageTagsForEditors]);
+  }, [pageId, revisionId, mutateSWRTagsInfo, mutatePageTagsForEditors, pageContainer]);
 
   const tagsUpdatedHandlerForEditMode = useCallback((newTags: string[]): void => {
     // It will not be reflected in the DB until the page is refreshed

packages/app/src/server/routes/tag.js

@@ -158,6 +158,8 @@ module.exports = function(crowi, app) {
         return res.json(ApiResponse.error("You don't have permission to update this page."));
       }
 
+      const previousRevision = await Revision.findById(revisionId);
+      result.savedPage = await Page.updatePage(page, previousRevision.body, previousRevision.body, req.user);
       await PageTagRelation.updatePageTags(pageId, tags);
       result.tags = await PageTagRelation.listTagNamesByPage(pageId);