v3: use query object for include logic to avoid n+1 queries

lib/travis/api/v3/query.rb

@@ -26,9 +26,10 @@ module Travis::API::V3
 
     attr_reader :params, :main_type
 
-    def initialize(params, main_type)
+    def initialize(params, main_type, includes = nil)
       @params    = params
       @main_type = main_type.to_s
+      @includes  = includes
     end
 
     def perform_async(identifier, *args)

lib/travis/api/v3/renderer/model_renderer.rb

@@ -57,6 +57,10 @@ module Travis::API::V3
       include.include?(field)
     end
 
+    def query(type)
+      Queries[type].new({}, type, includes: include)
+    end
+
     def render(representation)
       if included.include? model
         return REDUNDANT unless href

lib/travis/api/v3/renderer/owner.rb

@@ -17,7 +17,8 @@ module Travis::API::V3
     end
 
     def repositories
-      access_control.visible_repositories(@model.repositories)
+      repositories = query(:repositories).for_owner(@model)
+      access_control.visible_repositories(repositories)
     end
   end
 end