added basic config options for the bot

added optional truncation of old feed entries

leaves/rss_reader.rb

@@ -4,7 +4,18 @@
 class RssReader < Autumn::Leaf
 
   before_filter :authenticate, :only => [:reload, :quit, :addFeed, :removeFeed, :silence]
-
+
+	attr_reader :truncate, :update_interval, :get_rss	
+
+	# load config for rss reader
+	def will_start_up
+		config = {}		
+		if File.exists?('leaves/rss_reader_config.yml')
+			config = YAML.load(File.open('leaves/rss_reader_config.yml'))
+		end 
+		@truncate = config['truncate'] || false
+		@update_interval = config['update_interval'] || 120 
+	end
 	# send self a message to initialize the background task for retrieving
 	# new feed entries
   def did_start_up
@@ -38,7 +49,6 @@ def listFeeds_command(stem, sender, reply_to, msg)
 	end
 
 	def silence_command(stem, sender, reply_to, msg)
-		logger.info reply_to
 		feeds = Feed.all :channel => reply_to, :server => server_identifier(stem)
 		sil = !feeds.first.silence
 		feeds.each{|f| f.update_attributes(:silence => sil)}
@@ -49,7 +59,7 @@ def silence_command(stem, sender, reply_to, msg)
 		end
 		stem.message response, reply_to
 	end
-   
+
   def initrss_command(stem, sender, reply_to, msg)
 		return unless (sender[:nick] == "universal" ||	sender[:nick] == stem.nickname)
     if "stop" == msg
@@ -86,15 +96,14 @@ def server_identifier(stem)
 	def rssGetter
     while @get_rss
       updateRss
-      sleep 25.0
+      sleep @update_interval
     end
   end
 
   def updateRss
     stems.each do |stem|
-      logger.info "rss update running"
       feeds = Feed.all :server => server_identifier(stem), :silence => false
-      feeds.each{|f| f.update_feed_data}
+      feeds.each{|f| f.update_feed_data @truncate}
       feeds.each do |feed|
     	  if feed.new_from_last_update.size > 0
     	    (feed.new_from_last_update.size - 1).downto 0 do |i|

leaves/rss_reader_config.yml

@@ -0,0 +1,3 @@
+---
+truncate: true
+update_interval: 60

support/rss_reader/feed.rb

@@ -16,7 +16,7 @@ class Feed < DataMapper::Base
 
 	# get new feed entries for this feed and collect new ones in 
   # <code>:new_from_last_update</code>
-  def update_feed_data
+  def update_feed_data(truncate = false)
     self.new_from_last_update = []
     # Parse the feed, dumping its contents to rss
 		logger.info "help me plx, i'm nil" if self.nil?
@@ -34,6 +34,9 @@ def update_feed_data
         end
       end
     end
-    42
+		if truncate && last = self.new_from_last_update.last
+			fds = FeedData.all :pubDate.lt => last.pubDate, :feed_id => self.id
+			fds.each{|fd| fd.destroy!}			
+		end    
   end
 end