フラグ付き投稿の復元が困難（理由あり）

zogstrip · 2026 年 5 月 21 日午後 5:21

素晴らしい発見です @bksubhuti 以下のプルリクエストで修正されます

github.com/discourse/discourse

FIX: Disagreeing with a flag fails to restore posts by demoted users (#40228)

main ← fix/disagree-flag-unhide-acting-user

opened 05:20PM - 21 May 26 UTC

ZogStriP

+22 -0

When a moderator disagreed with a flag on a hidden post, `Post#unhide!` re-ran `…PostValidator` against `acting_user`, which defaults to the post's author. If the author had since lost trust (e.g. demoted to TL0) and the post's content exceeded new-user limits (embedded media, links, mentions, host spam), the update failed with `ActiveRecord::RecordInvalid` and the post stayed hidden. Every other internal caller of `Post#unhide!` already sets `acting_user` to whoever is performing the action so validations run against the staff member, not the original poster — `PostsController#unhide`, `ReviewablePost#perform_approve_and_unhide`, `ReviewableActionBuilder#perform_unhide_post`, and `PostActionDestroyer`. `ReviewableFlaggedPost#perform_disagree` was the lone exception. Set `post.acting_user = performed_by` before calling `post.unhide!` to follow the established convention. The post content and ownership are untouched; this only affects which user the validator inspects during the update. https://meta.discourse.org/t/401900

トピック		返信	表示
Leader cannot unhide flagged post Bug	3	626	2021 年 5 月 31 日
Unhide flagged topic Support	3	1252	2015 年 1 月 20 日
Cannot re-hide an edited flagged post Support	1	78	2026 年 9 月 15 日
Re-flag as spam failing Bug	1	1055	2016 年 3 月 16 日
Trust Level 1 hiding post with one flag Support moderation , trust-levels	3	720	2020 年 9 月 22 日

フラグ付き投稿の復元が困難（理由あり）

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