lib/feed_cache.rb in feed_cache-0.0.1 vs lib/feed_cache.rb in feed_cache-0.1.0

@@ -1,9 +1,11 @@
 module FeedCache
   DEFAULT_ENTRIES_LIMIT = 10
   DEFAULT_EXPIRES_IN = 900
 
+  class MissingEntries < StandardError; end
+
   class << self
     attr_accessor :cache
     attr_writer :default_entries_limit, :default_expires_in
 
     def default_entries_limit
@@ -26,11 +28,15 @@
     feed.valid_feed? ? feed : nil
   end
 
   def self.entries_for(url, options = {})
     limit = options.delete(:limit) || default_entries_limit
-    feed = fetch(url, options)
-    (feed ? feed.entries : []).take(limit)
+    begin
+      feed = fetch(url, options)
+      (feed ? feed.entries : []).take(limit)
+    rescue TypeError
+      raise FeedCache::MissingEntries
+    end
   end
 end
 
 require File.expand_path("feed_cache/fetcher", File.dirname(__FILE__))
 require File.expand_path("feed_cache/version", File.dirname(__FILE__))