Add primary key to preview_cards_statuses join table (includes deduplication migration) (#25243)

2023-08-03 11:12:52 +02:00
parent a0fad5c8bb
commit 6b896b20cc
5 changed files with 93 additions and 5 deletions
--- a/app/services/fetch_link_card_service.rb
+++ b/app/services/fetch_link_card_service.rb
@ -61,9 +61,13 @@ class FetchLinkCardService < BaseService
  end

  def attach_card
-    @status.preview_cards << @card
-    Rails.cache.delete(@status)
-    Trends.links.register(@status)
+    with_redis_lock("attach_card:#{@status.id}") do
+      return if @status.preview_cards.any?
+
+      @status.preview_cards << @card
+      Rails.cache.delete(@status)
+      Trends.links.register(@status)
+    end
  end

  def parse_urls