Add postponed and closed flags to Pinned and Notification cards

app/views/cards/_card.json.jbuilder

@@ -8,6 +8,7 @@ json.cache! card do
   json.tags card.tags.pluck(:title).sort
 
   json.closed card.closed?
+  json.postponed card.postponed?
   json.golden card.golden?
   json.last_active_at card.last_active_at.utc
   json.created_at card.created_at.utc

app/views/notifications/_notification.json.jbuilder

@@ -12,6 +12,8 @@ json.cache! notification do
   json.card do
     json.(notification.card, :id, :number, :title, :status)
     json.board_name notification.card.board.name
+    json.closed notification.card.closed?
+    json.postponed notification.card.postponed?
     json.url card_url(notification.card)
     json.column notification.card.column, partial: "columns/column", as: :column if notification.card.column
   end

test/controllers/cards_controller_test.rb

@@ -171,6 +171,7 @@ class CardsControllerTest < ActionDispatch::IntegrationTest
 
     assert_equal card.title, @response.parsed_body["title"]
     assert_equal card.closed?, @response.parsed_body["closed"]
+    assert_equal card.postponed?, @response.parsed_body["postponed"]
     assert_equal 2, @response.parsed_body["steps"].size
     assert_equal card_comments_url(card), @response.parsed_body["comments_url"]
     assert_equal card_reactions_url(card), @response.parsed_body["reactions_url"]

test/controllers/notifications_controller_test.rb

@@ -26,5 +26,9 @@ class NotificationsControllerTest < ActionDispatch::IntegrationTest
     assert_not_nil notification.dig("card", "number")
     assert_not_nil notification.dig("card", "board_name")
     assert_not_nil notification.dig("card", "column")
+
+    card = notifications(:logo_assignment_kevin).card
+    assert_equal card.closed?, notification.dig("card", "closed")
+    assert_equal card.postponed?, notification.dig("card", "postponed")
   end
 end