allow to set page break options for each document

config/app_config.yml.SAMPLE

@@ -83,6 +83,11 @@ default: &defaults
   # Some documents (like group and article PDFs) can include page breaks
   # after each sublist.
   #pdf_add_page_breaks: true
+  # Alternatively, this can be set for each document.
+  #pdf_add_page_breaks:
+  #  order_by_groups: true
+  #  order_by_articles: true
+
 
   # Page footer (html allowed). Default is a Foodsoft footer. Set to `blank` for no footer.
   #page_footer: <a href="http://www.foodcoop.test/">FC Test</a> is supported by <a href="http://www.hoster.test/">Hoster</a>.

lib/order_pdf.rb

@@ -50,10 +50,25 @@ class OrderPdf < Prawn::Document
 
   # add pagebreak or vertical whitespace, depending on configuration
   def down_or_page(space=10)
-    if FoodsoftConfig[:pdf_add_page_breaks]
+    if pdf_add_page_breaks?
       start_new_page
     else
       move_down space
     end
   end
+
+  protected
+
+  # return whether pagebreak or vertical whitespace is used for breaks
+  def pdf_add_page_breaks?(docid=nil)
+    docid ||= self.class.name.underscore
+    cfg = FoodsoftConfig[:pdf_add_page_breaks]
+    if cfg.is_a? Array
+      cfg.index(docid.to_s).any?
+    elsif cfg.is_a? Hash
+      cfg[docid.to_s]
+    else
+      cfg
+    end
+  end
 end