Migration to migrate URLs after renaming bubbles => cards

script/migrate_to_new_cards_url_scheme.rb

@@ -0,0 +1,17 @@
+#!/usr/bin/env ruby
+
+require_relative "../config/environment"
+
+def replace_url(string)
+  string.gsub(%r{/buckets/(\d+)/bubbles/(\d+)}) do
+    "/collections/#{$1}/cards/#{$2}"
+  end
+end
+
+ApplicationRecord.with_each_tenant do |tenant|
+  Account.find_each do |account|
+    Comment.find_each do |comment|
+      comment.update!(body: replace_url(comment.body.content.to_s))
+    end
+  end
+end