add specs

db/migrate/20250521134157_add_email_sent_to_ordergroup_invoice.rb

@@ -0,0 +1,5 @@
+class AddEmailSentToOrdergroupInvoice < ActiveRecord::Migration[7.0]
+  def change
+    add_column :ordergroup_invoices, :email_sent_at, :datetime
+  end
+end

db/routes.rb

@@ -162,6 +162,7 @@ Rails.application.routes.draw do
       end
       collection do
         get :download_within_date
+        get :send_all
         patch :select_all_sepa_sequence_type
         patch :toggle_all_sepa_downloaded
         patch :toggle_all_paid

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: 2025_05_16_104953) do
+ActiveRecord::Schema[7.0].define(version: 2025_05_21_134157) do
   create_table "action_text_rich_texts", charset: "utf8mb4", collation: "utf8mb4_general_ci", force: :cascade do |t|
     t.string "name", null: false
     t.text "body", size: :long
@@ -407,6 +407,7 @@ ActiveRecord::Schema[7.0].define(version: 2025_05_16_104953) do
     t.datetime "created_at", null: false
     t.datetime "updated_at", null: false
     t.integer "multi_group_order_id"
+    t.datetime "email_sent_at"
     t.index ["multi_group_order_id"], name: "index_ordergroup_invoices_on_multi_group_order_id"
   end
 

db/seeds.rb

@@ -1,4 +1,4 @@
 # default seed is minimal
-require Rails.root.join('db/seeds/minimal.seeds.rb')
+require Rails.root.join('db/seeds/demo.seeds.rb')
 
 # to generate new seeds, use the seed_dumper gem