Ensure legacy collection items have order set

Author: fbacall

db/migrate/20231013132536_set_order_on_collection_items.rb

@@ -0,0 +1,21 @@
+class SetOrderOnCollectionItems < ActiveRecord::Migration[7.0]
+  class Collection < ApplicationRecord
+    has_many :items, -> { order(:order) }, class_name: 'CollectionItem'
+  end
+
+  class CollectionItem < ApplicationRecord
+    belongs_to :collection
+  end
+
+  def up
+    Collection.find_each do |collection|
+      indexes = Hash.new(0)
+      collection.items.sort_by(&:order).each do |item|
+        item.update_column(:order, indexes[item.resource_type] += 1)
+      end
+    end
+  end
+
+  def down
+  end
+end

db/schema.rb

@@ -10,8 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 2023_08_03_095429) do
-
+ActiveRecord::Schema[7.0].define(version: 2023_10_13_132536) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"