add folder name to submission resp

app/controllers/api/submissions_controller.rb

@@ -17,7 +17,8 @@ module Api
         submissions = submissions.joins(template: :folder).where(folder: { name: params[:template_folder] })
       end
 
-      submissions = paginate(submissions.preload(:created_by_user, :template, :submitters,
+      submissions = paginate(submissions.preload(:created_by_user, :submitters,
+                                                 template: :folder,
                                                  audit_trail_attachment: :blob))
 
       render json: {
@@ -155,7 +156,8 @@ module Api
                                  completed_at opened_at sent_at
                                  created_at updated_at external_id metadata],
                         methods: %i[status application_key] },
-          template: { only: %i[id name created_at updated_at] },
+          template: { only: %i[id name external_id created_at updated_at],
+                      methods: %i[folder_name] },
           created_by_user: { only: %i[id email first_name last_name] }
         }
       }

app/models/template.rb

@@ -62,6 +62,8 @@ class Template < ApplicationRecord
   scope :active, -> { where(archived_at: nil) }
   scope :archived, -> { where.not(archived_at: nil) }
 
+  delegate :name, to: :folder, prefix: true
+
   def application_key
     external_id
   end

lib/templates/serialize_for_api.rb

@@ -6,12 +6,10 @@ module Templates
 
     def call(template, schema_documents = template.schema_documents, preview_image_attachments = [])
       json = template.as_json(
-        methods: %i[application_key],
+        methods: %i[application_key folder_name],
         include: { author: { only: %i[id email first_name last_name] } }
       )
 
-      json[:folder_name] = template.folder.name
-
       json[:documents] = template.schema.map do |item|
         attachment = schema_documents.find { |e| e.uuid == item['attachment_uuid'] }