Fix dismissing an announcement twice raising an obscure error (#13124)

diff --git a/app/controllers/api/v1/announcements_controller.rb b/app/controllers/api/v1/announcements_controller.rb
index 1e692ff751793425b6096f64ea41a25bd27a9297..ee79fc19f1edacd1222a7a900f4451f85cfdb22a 100644 (file)
--- a/app/controllers/api/v1/announcements_controller.rb
+++ b/app/controllers/api/v1/announcements_controller.rb
@@ -11,7 +11,7 @@ class Api::V1::AnnouncementsController < Api::BaseController
   end
 
   def dismiss
-    AnnouncementMute.create!(account: current_account, announcement: @announcement)
+    AnnouncementMute.find_or_create_by!(account: current_account, announcement: @announcement)
     render_empty
   end