Implemented feed aggregation filtering based on categories.

modules/feed_aggregator/feed_aggregator_module.e

@@ -1,7 +1,7 @@
 note
 	description: "CMS module bringing support for feed aggregation."
-	date: "$Date: 2015-02-13 13:08:13 +0100 (ven., 13 févr. 2015) $"
-	revision: "$Revision: 96616 $"
+	date: "$Date$"
+	revision: "$Revision$"
 
 class
 	FEED_AGGREGATOR_MODULE
@@ -280,6 +280,19 @@ feature -- Hook
 						vis.set_footer (s)
 
 						if attached l_feed_api.aggregation_feed (l_agg) as l_feed then
+							if l_agg.has_category_filter and attached l_feed.items as lst then
+								from
+									lst.start
+								until
+									lst.after
+								loop
+									if not l_agg.is_included (lst.item_for_iteration) then
+										lst.remove
+									else
+										lst.forth
+									end
+								end
+							end
 							l_feed.accept (vis)
 						end
 						l_cache.put (Result)