Remove HTML data attributes from thumbnails #4943

Remove most data attributes from thumbnails, except the ones used by our
own Javascript.

app/components/post_preview_component.rb

@@ -90,36 +90,14 @@ class PostPreviewComponent < ApplicationComponent
   end
 
   def data_attributes
-    attributes = {
+    {
       "data-id" => post.id,
-      "data-has-sound" => has_sound?,
       "data-tags" => post.tag_string,
-      "data-approver-id" => post.approver_id,
       "data-rating" => post.rating,
-      "data-large-width" => post.large_image_width,
-      "data-large-height" => post.large_image_height,
-      "data-width" => post.image_width,
-      "data-height" => post.image_height,
       "data-flags" => post.status_flags,
-      "data-parent-id" => post.parent_id,
-      "data-has-children" => post.has_children?,
       "data-score" => post.score,
-      "data-fav-count" => post.fav_count,
-      "data-pixiv-id" => post.pixiv_id,
-      "data-file-ext" => post.file_ext,
-      "data-source" => post.source,
       "data-uploader-id" => post.uploader_id,
-      "data-normalized-source" => post.normalized_source,
     }
-
-    if post.visible?(current_user)
-      attributes["data-md5"] = post.md5
-      attributes["data-file-url"] = post.file_url
-      attributes["data-large-file-url"] = post.large_file_url
-      attributes["data-preview-file-url"] = post.preview_file_url
-    end
-
-    attributes
   end
 
   def has_sound?

app/helpers/posts_helper.rb

@@ -43,4 +43,27 @@ module PostsHelper
   def is_danbirthday?(post)
     post.id == 1 && post.created_at.strftime("%m-%d") == Time.zone.today.strftime("%m-%d")
   end
+
+  def image_container_data_attributes(post, current_user)
+    attributes = {
+      "data-id" => post.id,
+      "data-tags" => post.tag_string,
+      "data-rating" => post.rating,
+      "data-large-width" => post.large_image_width,
+      "data-large-height" => post.large_image_height,
+      "data-width" => post.image_width,
+      "data-height" => post.image_height,
+      "data-flags" => post.status_flags,
+      "data-score" => post.score,
+      "data-uploader-id" => post.uploader_id,
+      "data-source" => post.source,
+      "data-normalized-source" => post.normalized_source,
+    }
+
+    if post.visible?(current_user)
+      attributes["data-file-url"] = post.file_url
+    end
+
+    attributes
+  end
 end

app/views/posts/show.html.erb

@@ -44,7 +44,7 @@
 
   <%= render "posts/partials/show/notices", :post => @post %>
 
-  <%= tag.section class: ["image-container", "note-container", ("danbirthday" if is_danbirthday?(@post))], **PostPreviewComponent.new(post: @post).data_attributes do -%>
+  <%= tag.section class: ["image-container", "note-container", ("danbirthday" if is_danbirthday?(@post))], **image_container_data_attributes(@post, CurrentUser.user) do -%>
     <%= render "posts/partials/show/embedded", post: @post %>
     <div id="note-preview"></div>
   <% end -%>