feat: Wiki 過去版取得で更新日時が異なる問題修正（#111） (#207)

#111

Merge remote-tracking branch 'origin/main' into feature/111

Merge branch 'main' into feature/111

#111

Co-authored-by: miteruzo <miteruzo@naver.com>
Reviewed-on: https://git.miteruzo.com/miteruzo/btrc-hub/pulls/207

backend/app/controllers/wiki_pages_controller.rb

@@ -154,30 +154,8 @@ class WikiPagesController < ApplicationController
   def render_wiki_page_or_404 page
     return head :not_found unless page
 
-    if params[:version].present?
-      rev = page.wiki_revisions.find_by(id: params[:version])
-      return head :not_found unless rev
-
-      if rev.redirect?
-        return (
-            redirect_to wiki_page_by_title_path(title: rev.redirect_page.title),
-                        status: :moved_permanently)
-      end
-
-      body = rev.body
-      revision_id = rev.id
-      pred = page.pred_revision_id(revision_id)
-      succ = page.succ_revision_id(revision_id)
-
-      return render json: page.as_json(methods: [:title])
-                              .merge(body:, revision_id:, pred:, succ:)
-    end
-
-    rev = page.current_revision
-    unless rev
-      return render json: page.as_json(methods: [:title])
-                              .merge(body: nil, revision_id: nil, pred: nil, succ: nil)
-    end
+    rev = find_revision(page)
+    return head :not_found unless rev
 
     if rev.redirect?
       return (
@@ -189,8 +167,18 @@ class WikiPagesController < ApplicationController
     revision_id = rev.id
     pred = page.pred_revision_id(revision_id)
     succ = page.succ_revision_id(revision_id)
+    updated_at = rev.created_at
+
+    render json: page.as_json(methods: [:title])
+                     .merge(body:, revision_id:, pred:, succ:, updated_at:)
+  end
 
-    render json: page.as_json(methods: [:title]).merge(body:, revision_id:, pred:, succ:)
+  def find_revision page
+    if params[:version].present?
+      page.wiki_revisions.find_by(id: params[:version])
+    else
+      page.current_revision
+    end
   end
 
   def render_wiki_conflict err