fixup! Add ability to ask external caches to invalidate.

app/models/info_request.rb

@@ -1164,13 +1164,6 @@ def log_event(type, params, options = {})
     if !last_event_time || (event.created_at > last_event_time)
       update_column(:last_event_time, event.created_at)
     end
-    if %w[comment edit_comment hide_comment].include? type
-      NotifyCacheJob.perform_later(Comment.find(params[:comment_id]))
-    elsif type == 'edit_attachment'
-      NotifyCacheJob.perform_later(FoiAttachment.find(params[:attachment_id]))
-    else
-      NotifyCacheJob.perform_later(self)
-    end
     event
   end
 

app/models/info_request_event.rb

@@ -88,6 +88,7 @@ class InfoRequestEvent < ApplicationRecord
     self.event_type = "hide"
   end
   after_create :update_request, if: :response?
+  after_create :invalidate_cached_pages
 
   after_commit -> { info_request.create_or_update_request_summary },
                   on: [:create]
@@ -355,6 +356,16 @@ def update_request
     info_request.update_last_public_response_at
   end
 
+  def invalidate_cached_pages
+    if comment
+      NotifyCacheJob.perform_later(comment)
+    elsif foi_attachment
+      NotifyCacheJob.perform_later(foi_attachment)
+    else
+      NotifyCacheJob.perform_later(info_request)
+    end
+  end
+
   def same_email_as_previous_send?
     prev_addr = info_request.get_previous_email_sent_to(self)
     curr_addr = params[:email]
@@ -593,4 +604,9 @@ def filetype
   def request_public_body_tags
     info_request.public_body.tag_array_for_search
   end
+
+  def foi_attachment
+    return unless params[:attachment_id]
+    @foi_attachment ||= FoiAttachment.find(params[:attachment_id])
+  end
 end