prefillable fields

app/controllers/templates_prefillable_fields_controller.rb

@@ -0,0 +1,26 @@
+# frozen_string_literal: true
+
+class TemplatesPrefillableFieldsController < ApplicationController
+  PREFILLABLE_FIELD_TYPES = %w[text number cells date checkbox select radio phone].freeze
+
+  load_and_authorize_resource :template
+
+  def create
+    authorize!(:update, @template)
+
+    field = @template.fields.find { |f| f['uuid'] == params[:field_uuid] }
+
+    if params[:prefillable] == 'false'
+      field.delete('prefillable')
+      field.delete('readonly')
+    elsif params[:prefillable] == 'true'
+      field['prefillable'] = true
+      field['readonly'] = true
+    end
+
+    @template.save!
+
+    render turbo_stream: turbo_stream.replace(:prefillable_fields_list, partial: 'list',
+                                                                        locals: { template: @template })
+  end
+end