used ! for the error messages

lib/sf/reg_item.rb

@@ -20,7 +20,7 @@ def create_from_reg_item_for(sf_reg_id)
       attrs[sf_reg_item_attr] = self.reg_item.send(reg_item_attr)
     end
     attrs['reg_registration_id__c'] = sf_reg_id
-    Sf.client.create("RegItem__c", attrs)
+    Sf.client.create!("RegItem__c", attrs)
   end
   def reg_item_mapping
     {

lib/sf/reg_registration.rb

@@ -47,7 +47,7 @@ def create_from_registration
       attrs['payment_reference_id__c'] = payment.pnref
       attrs['bank_authorization_code__c'] = payment.authcode
     end
-    if sf_reg_id = Sf.client.create("RegRegistration__c", attrs)
+    if sf_reg_id = Sf.client.create!("RegRegistration__c", attrs)
       self.registration.reg_items.each do |reg_item|
         #TODO: rescue and rollback
         if reg_item.sf_reg_item_id = Sf::RegItem.create_for(reg_item, sf_reg_id)
@@ -132,7 +132,7 @@ def self.where(args = {})
   def self.attendees_for(event_code, reg_item_code)
     return if event_code.nil? or reg_item_code.nil?
     rr = 'reg_registration_id__r'
-    selects = "#{rr}.Id, #{rr}.email__c, #{rr}.last_name__c, #{rr}.first_name__c, #{rr}.account_id__r.Name, #{rr}.title__c, #{rr}.roster_private__c"
+    selects = "#{rr}.Id, #{rr}.email__c, #{rr}.last_name__c, #{rr}.first_name__c, #{rr}.account_id__r.Name, #{rr}.title__c, #{rr}.roster_private__c, #{rr}.LastModifiedDate, #{rr}.CreatedDate"
     where = "code__c = \'#{reg_item_code}\' and #{rr}.event_code__c = \'#{event_code}\' and #{rr}.status__c = 'processed'"
     sobjects = Sf.client.query("select #{selects} from RegItem__c where #{where}")
     build_collection sobjects.map(&:reg_registration_id__r) unless sobjects.blank?