preserve template fields per submission

db/migrate/20230726062428_add_template_fields_to_submission.rb

@@ -0,0 +1,31 @@
+# frozen_string_literal: true
+
+class AddTemplateFieldsToSubmission < ActiveRecord::Migration[7.0]
+  class MigrationTemplate < ApplicationRecord
+    self.table_name = 'templates'
+  end
+
+  class MigrationSubmission < ApplicationRecord
+    self.table_name = 'submissions'
+  end
+
+  def up
+    add_column :submissions, :template_fields, :text
+    add_column :submissions, :template_schema, :text
+    add_column :submissions, :template_submitters, :text
+
+    MigrationTemplate.all.each do |template|
+      MigrationSubmission.where(template_id: template.id).each do |submission|
+        submission.update_columns(template_fields: template.fields,
+                                  template_schema: template.schema,
+                                  template_submitters: template.submitters)
+      end
+    end
+  end
+
+  def down
+    remove_column :submissions, :template_fields
+    remove_column :submissions, :template_schema
+    remove_column :submissions, :template_submitters
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[7.0].define(version: 2023_07_01_075115) do
+ActiveRecord::Schema[7.0].define(version: 2023_07_26_062428) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
 
@@ -77,6 +77,9 @@ ActiveRecord::Schema[7.0].define(version: 2023_07_01_075115) do
     t.datetime "deleted_at"
     t.datetime "created_at", null: false
     t.datetime "updated_at", null: false
+    t.text "template_fields"
+    t.text "template_schema"
+    t.text "template_submitters"
     t.index ["created_by_user_id"], name: "index_submissions_on_created_by_user_id"
     t.index ["template_id"], name: "index_submissions_on_template_id"
   end