def add_site(self, feedurl, mark_as_read=False):
"""
Adds a new site.
'feedurl' is the feed's url.
If 'mark_as_read' is True, then old entries will be ignored in next
update. Only new entries from now will be indexed.
Returns feed's title if everything it's ok, otherwise, None.
"""
# Check valid url
if not url_re.search(feedurl):
s = "Site: '%s' is not a valid url!" % (feedurl)
self.logger.info(s)
raise ValueError(s)
# Check if site already exists in DB, and if it doesn't, a new Site
# instance is created and saved.
if not self.session.query(Site, Feed).filter(Site.id == Feed.siteid).filter(Feed.url == feedurl).first():
fm = FeedManager()
result = fm.check_feed(feedurl, True)
if result:
site = Site(feedurl, result[0], result[1])
if mark_as_read:
FeedManager.mark_as_read(site.feed)
self.session.save(site)
self.session.commit()
self.sites.append(site)
return result[0]
