Merge pull request mbleigh#629 from d4rky-pl/fix-find_related_tags-fo…

…r-contexts

Add context constraint to find_related_* methods.

lib/acts_as_taggable_on/taggable/related.rb

@@ -43,7 +43,7 @@ def matching_contexts_for(search_context, result_context, klass, options = {})
     def related_tags_for(context, klass, options = {})
       tags_to_ignore = Array.wrap(options[:ignore]).map(&:to_s) || []
       tags_to_find = tags_on(context).map { |t| t.name }.reject { |t| tags_to_ignore.include? t }
-      related_where(klass, ["#{exclude_self(klass, id)} #{klass.table_name}.#{klass.primary_key} = #{ActsAsTaggableOn::Tagging.table_name}.taggable_id AND #{ActsAsTaggableOn::Tagging.table_name}.taggable_type = '#{klass.base_class}' AND #{ActsAsTaggableOn::Tagging.table_name}.tag_id = #{ActsAsTaggableOn::Tag.table_name}.#{ActsAsTaggableOn::Tag.primary_key} AND #{ActsAsTaggableOn::Tag.table_name}.name IN (?)", tags_to_find])
+      related_where(klass, ["#{exclude_self(klass, id)} #{klass.table_name}.#{klass.primary_key} = #{ActsAsTaggableOn::Tagging.table_name}.taggable_id AND #{ActsAsTaggableOn::Tagging.table_name}.taggable_type = '#{klass.base_class}' AND #{ActsAsTaggableOn::Tagging.table_name}.tag_id = #{ActsAsTaggableOn::Tag.table_name}.#{ActsAsTaggableOn::Tag.primary_key} AND #{ActsAsTaggableOn::Tag.table_name}.name IN (?) AND #{ActsAsTaggableOn::Tagging.table_name}.context = ?", tags_to_find, context])
     end
 
     private

spec/acts_as_taggable_on/related_spec.rb

@@ -42,6 +42,15 @@
       expect(taggable1.find_related_tags_for(OtherTaggableModel)).to_not include(taggable2)
     end
 
+    it 'should find other related objects based on tags only from particular context' do
+      taggable1 = TaggableModel.create!(name: 'Taggable 1',tag_list: 'one, two')
+      taggable2 = TaggableModel.create!(name: 'Taggable 2',tag_list: 'three, four', skill_list: 'one, two')
+      taggable3 = TaggableModel.create!(name: 'Taggable 3',tag_list: 'one, four')
+
+      expect(taggable1.find_related_tags).to include(taggable3)
+      expect(taggable1.find_related_tags).to_not include(taggable2)
+    end
+
 
     shared_examples "a collection" do
       it do