Merge pull request #140 from activeadmin/feature/optimization

Feature/optimization

Author: grzegorz-jakubiak

lib/active_admin/mongoid/document.rb

@@ -53,7 +53,7 @@ def column_for_attribute(name)
   module ClassMethods
     def content_columns
       # cannot cache this, since changes in time (while defining fields)
-      fields.map(&:second).reject do |f|
+      fields.map(&:second).reject! do |f|
         f.name =~ /(^_|^(created|updated)_at)/ or Mongoid::Fields::ForeignKey === f
       end
     end

lib/active_admin/mongoid/filter_form_builder.rb

@@ -25,7 +25,7 @@ def default_input_type(method, options = {})
   end
 
   def is_association?(method)
-    @object.klass.associations.to_a.map(&:first).include?(method.to_s)
+    @object.klass.associations.to_a.map!(&:first).include?(method.to_s)
   end
 
   def column_for(method)

lib/meta_search/searches/mongoid.rb

@@ -92,7 +92,7 @@ def method_missing name, *args, &block
       end
 
       def metasearch_regexp
-        field_names = klass.fields.map(&:second).map(&:name)
+        field_names = klass.fields.map{ |field| field.second.name }
         conditions = MetaSearch::DEFAULT_WHERES.map {|condition| condition[0...-1]} # pop tail options
 
         /\A(#{field_names.join('|')})_(#{conditions.join('|')})\z/