fix issue #115 + clean code + exporting a site works now with ruby 1.8.7

app/controllers/admin/memberships_controller.rb

@@ -4,18 +4,17 @@ module Admin
     sections 'settings'
 
     def create
-      @membership = current_site.memberships.build(params[:membership])
+      resource.role = 'author' # force author by default
-      @membership.role = 'author' # force author by default
 
-      case @membership.process!
+      case resource.process!
       when :create_account
-        redirect_to new_admin_account_url(:email => @membership.email)
+        redirect_to new_admin_account_url(:email => resource.email)
       when :save_it
-        respond_with @membership, :location => edit_admin_current_site_url
+        respond_with resource, :location => edit_admin_current_site_url
       when :error
-        respond_with @membership, :flash => true
+        respond_with resource, :flash => true
       when :already_created
-        respond_with @membership, :alert => t('flash.admin.memberships.create.already_created'), :location => edit_admin_current_site_url
+        respond_with resource, :alert => t('flash.admin.memberships.create.already_created'), :location => edit_admin_current_site_url
       end
     end
 

lib/locomotive/export.rb

@@ -211,7 +211,11 @@ module Locomotive
     end
 
     def extract_attributes(object, fields)
-      object.attributes.select { |k, v| fields.include?(k) }.delete_if { |k, v| v.blank? }
+      if RUBY_VERSION =~ /1\.9/
+        object.attributes.select { |k, v| fields.include?(k) }
+      else
+        object.attributes.reject { |k, v| !fields.include?(k) }
+      end.delete_if { |k, v| v.blank? }
     end
 
     def pages_folder

lib/locomotive/import/assets.rb

@@ -29,8 +29,6 @@ module Locomotive
             rescue Exception => e
               self.log "!ERROR! = #{e.message}, #{asset_path}"
             end
-
-            # site.reload
           end
         end
       end