Extend notification JSON payload.

Add avatar url, board name, and column.

app/views/notifications/_notification.json.jbuilder

@@ -6,11 +6,16 @@ json.cache! notification do
 
   json.partial! "notifications/notification/#{notification.source_type.underscore}/body", notification: notification
 
-  json.creator notification.creator, partial: "users/user", as: :user
+  json.creator do
+    json.partial! "users/user", user: notification.creator
+    json.avatar_url user_avatar_url(notification.creator)
+  end
 
   json.card do
-    json.(notification.card, :id, :title, :status)
+    json.(notification.card, :id, :number, :title, :status)
+    json.board_name notification.card.board.name
     json.url card_url(notification.card)
+    json.column notification.card.column, partial: "columns/column", as: :column if notification.card.column
   end
 
   json.url notification_url(notification)

test/controllers/notifications_controller_test.rb

@@ -22,5 +22,9 @@ class NotificationsControllerTest < ActionDispatch::IntegrationTest
     assert_not_nil notification["card"]
     assert_not_nil notification["creator"]
     assert_not_nil notification["unread_count"]
+    assert_not_nil notification.dig("creator", "avatar_url")
+    assert_not_nil notification.dig("card", "number")
+    assert_not_nil notification.dig("card", "board_name")
+    assert_not_nil notification.dig("card", "column")
   end
 end