extendable.rb in ruby-jss-0.10.0

- old
+ new

@@ -137,10 +137,15 @@
         end # case
 
         @ext_attrs[ea[:name]] = ea[:value]
 
       end # each do ea
+
+      # remember changes as they happen so
+      # we only send changes back to the server.
+      @changed_eas = []
+
     end
 
     ###
     ### Set the value of an extension attribute
     ###
@@ -157,10 +162,13 @@
     ###
     ### @return [void]
     ###
     def set_ext_attr(name, value)
 
+      # if we don't currently have any need to update(cuz we have recently), reset the list of changes to push
+      @changed_eas = [] unless @need_to_update
+
       # this will raise an exception if the name doesn't exist
       ea_def = self.class::EXT_ATTRIB_CLASS.new :name => name
 
       unless JSS::ExtensionAttribute::EDITABLE_INPUT_TYPES.include? ea_def.input_type
         raise JSS::UnsupportedError, "The value for #{name} cannot be modified. It is gathered during inventory updates."
@@ -182,24 +190,25 @@
 
       @extension_attributes.each do |ea|
         ea[:value] = value if ea[:name] == name
       end
       @ext_attrs[name] = value
-
+      @changed_eas << name
       @need_to_update = true
+
     end
 
     ###
     ### @api private
     ###
     ### @return [REXML::Element] An <extension_attribute> element to be
     ###  included in the rest_xml of objects that mix-in this module.
     ###
     def ext_attr_xml
-
+      @changed_eas ||= []
       eaxml = REXML::Element.new('extension_attributes')
-
       @extension_attributes.each do |ea|
+        next unless @changed_eas.include? ea[:name]
         ea_el = eaxml.add_element('extension_attribute')
         ea_el.add_element('name').text = ea[:name]
 
         if ea[:type] == "Date"
           begin