--- a/feedupdate-main.py	Mon Aug 22 14:26:54 2011 +0200
+++ b/feedupdate-main.py	Mon Aug 22 15:04:53 2011 +0200
@@ -1,48 +1,11 @@
 #!/usr/bin/env python
 
-import Database
-from datetime import datetime, timedelta
-from Feed import Feed
-import FeedUpdater
 import logging
-import Mapping
-from Preferences import Preferences
-from sqlalchemy.sql import and_
-import util
-
-logger = logging.getLogger("feedupdater")
-
-def listFeeds(session):
-    allFeeds = session.query(Feed)
-    for feed in allFeeds:
-        logger.info("feed: " + feed.name)
-        for entry in feed.entries:
-            print entry.title
-
-def expireFeedEntries(session):
-    expireDate = _calculateExpireDate(session)
-    logger.info("expiring entries older than " + str(expireDate))
-    feedEntry = Mapping.feedEntryTable
-    deleteStatement = feedEntry.delete().where(
-        and_(feedEntry.c.create_timestamp < expireDate, feedEntry.c.read == 1)
-    )
-    deleteStatement.execute()
-
-def _calculateExpireDate(session):
-    now = datetime.now()
-    daysToKeepFeedEntries = Preferences(session).daysToKeepFeedEntries()
-    delta = timedelta(days=daysToKeepFeedEntries)
-    return now - delta
+from backend.sqlalchemy.SqlAlchemyBackend import SqlAlchemyBackend
 
 if __name__ == "__main__":
-    util.configureLogging()
-    session = Database.createSession()
-
-    #util.loadFeeds(session)
-    #util.forceUpdateAllFeeds(session)
-    #listFeeds(session)
-    #OpmlImport.createFeedsFromOPML(session, "feed-data/feeds.opml.xml")
-    FeedUpdater.updateAllFeeds(session)
-    expireFeedEntries(session)
-
-    session.close()
+    logging.basicConfig(level=logging.DEBUG)
+    backend = SqlAlchemyBackend()
+    backend.updateAllFeeds()
+    backend.expireFeedEntries()
+    backend.dispose()