上映会改修 (#302) (#357)

Reviewed-on: #357
Co-authored-by: miteruzo <miteruzo@naver.com>
Co-committed-by: miteruzo <miteruzo@naver.com>

backend/app/controllers/posts_controller.rb

@@ -44,7 +44,8 @@ class PostsController < ApplicationController
         filtered_posts
         .joins("LEFT JOIN (#{ pt_max_sql }) pt_max ON pt_max.post_id = posts.id")
         .reselect('posts.*', Arel.sql("#{ updated_at_all_sql } AS updated_at_all"))
-        .preload(:uploaded_user, tags: [:deerjikists, :materials, { tag_name: :wiki_page }])
+        .preload(:uploaded_user, :parents, :children,
+                 tags: [:deerjikists, :materials, { tag_name: :wiki_page }])
         .with_attached_thumbnail
 
     q = q.where('posts.url LIKE ?', "%#{ url }%") if url
@@ -95,7 +96,7 @@ class PostsController < ApplicationController
   end
 
   def random
-    post = filtered_posts.preload(:uploaded_user,
+    post = filtered_posts.preload(:uploaded_user, :parents, :children,
                                   tags: [:deerjikists, :materials, { tag_name: :wiki_page }])
                          .with_attached_thumbnail
                          .order('RAND()')
@@ -108,7 +109,8 @@ class PostsController < ApplicationController
   def show
     post =
         Post
-        .includes(:uploaded_user, tags: [:deerjikists, :materials, { tag_name: :wiki_page }])
+        .includes(:uploaded_user, :parents, :children,
+                  tags: [:deerjikists, :materials, { tag_name: :wiki_page }])
         .with_attached_thumbnail
         .find_by(id: params[:id])
     return head :not_found unless post