finally have the BOGO logic right??

app/models/valid_voucher.rb

@@ -195,7 +195,7 @@ def adjust_for_advance_reservations
   def adjust_for_capacity
     self.max_sales_for_this_patron = seats_of_type_remaining()
     min_max = display_min_and_max_sales_per_txn
-    self.explanation =
+    self.explanation = 
       case max_sales_for_this_patron
       when 0 then "No seats remaining for tickets of this type"
       when INFINITE then "No performance-specific limit applies #{min_max}".strip

app/views/store/_ticket_menus.html.haml

@@ -42,10 +42,14 @@
               %label.col-form-label.form-control-sm.alert-warning.s-explain= v.explanation
           - else
             - num_allowed = v.min_and_max_sales_for_this_txn(max_choices = 20)
+            = select_tag(fieldname, options_for_select(num_allowed), 'data-price' => v.price, 'data-zone' => v.zone_short_name, :class => "itemQty #{ticket_class} form-control form-control-sm col-sm-1")
+            -# override: if cannot buy just because min_per_txn exceeds availability...
             - if num_allowed.last.zero?
-              %span.text-info.col-sm-4.border.border-danger.s-explain No seats remaining for tickets of this type
-            - else
-              = select_tag(fieldname, options_for_select(num_allowed), 'data-price' => v.price, 'data-zone' => v.zone_short_name, :class => "itemQty #{ticket_class} form-control form-control-sm col-sm-1")
+              %span.text-info.col-sm-4.border.border-danger.s-explain
+                - if v.max_sales_for_this_patron > 0
+                  = "Insufficient tickets available for offer #{v.display_min_and_max_sales_per_txn}"
+                - else
+                  = v.explanation
           = hidden_field_tag "price[#{v.id}]", v.price, {:id => "valid_voucher_#{v.id}_price"}
 
     - if ! @store.valid_vouchers.empty? && [email protected]?