Implemented feed aggregation filtering based on categories.

modules/feed_aggregator/feed_aggregation.e

@@ -45,6 +45,15 @@ feature -- Access
 	description_enabled: BOOLEAN
 			-- Display description?
 
+feature -- Status report
+
+	has_category_filter: BOOLEAN
+			-- Is there any category filtering?
+			-- i.e via `included_categories'
+		do
+			Result := attached included_categories as cats and then not cats.is_empty
+		end
+
 feature -- Element change
 
 	set_description (a_desc: detachable READABLE_STRING_GENERAL)
@@ -99,6 +108,10 @@ feature -- Element change
 feature -- Status report
 
 	is_included (e: FEED_ITEM): BOOLEAN
+			-- Is `e' included in final aggregation?
+			-- i.e: related to `included_categories'
+			-- note that if `e' has no category, it is included by default,
+			-- even if `included_categories' is defined.
 		do
 			Result := True
 			if attached e.categories as e_cats then

modules/feed_aggregator/feed_aggregator_api.e

@@ -113,16 +113,11 @@ feature -- Operation
 
 	aggregation_feed (agg: FEED_AGGREGATION): detachable FEED
 			-- Feed from aggregation `agg'.
-		local
-			fac: FEED_DEFAULT_PARSERS
-			f: detachable FEED
 		do
-			create fac
 			across
 				agg.locations as ic
 			loop
-				if attached new_http_client_session (ic.item).get ("", Void).body as res then
-					f := fac.feed_from_string (res)
+				if attached feed (ic.item) as f then
 					if Result /= Void then
 						if f /= Void then
 							Result := Result + f

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)