Add method to close all invoices with an invoice direct

When the charge_members_manually option is active there is no need for an
explicit balancing step. This new function allows to close_direct all
orders which have an assigned invoice, which is usually indication enough
to find orders which can be closed finally.

app/controllers/finance/balancing_controller.rb

@@ -29,16 +29,16 @@ class Finance::BalancingController < Finance::BaseController
 
     render layout: false if request.xhr?
   end
-  
+
   def new_on_order_article_create # See publish/subscribe design pattern in /doc.
     @order_article = OrderArticle.find(params[:order_article_id])
-    
+
     render :layout => false
   end
-  
+
   def new_on_order_article_update # See publish/subscribe design pattern in /doc.
     @order_article = OrderArticle.find(params[:order_article_id])
-    
+
     render :layout => false
   end
 
@@ -85,4 +85,17 @@ class Finance::BalancingController < Finance::BaseController
     redirect_to finance_order_index_url, alert: t('finance.balancing.close_direct.alert', message: error.message)
   end
 
+  def close_all_direct_with_invoice
+    count = 0
+    Order.transaction do
+      Order.finished_not_closed.with_invoice.each do |order|
+        order.close_direct! current_user
+        count += 1
+      end
+    end
+    redirect_to finance_order_index_url, notice: t('finance.balancing.close_all_direct_with_invoice.notice', count: count)
+  rescue => error
+    redirect_to finance_order_index_url, alert: t('errors.general_msg', msg: error.message)
+  end
+
 end