Mercurial > hg > Feedworm

comparison FeedList.py @ 71:228da10cc98b

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MainWindow relies on FeedList to get the feeds to display now. FeedList has two inner/private classes: one for returning all known feeds and one to return only feeds with unread entries.
author Dirk Olmes <dirk@xanthippe.ping.de>
date Wed, 11 Aug 2010 03:10:32 +0200
parents
children e8c2730eb444
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70:842727971796 71:228da10cc98b
1
2 from Feed import Feed
3 from FeedEntry import FeedEntry
4 from sqlalchemy.orm import joinedload
5
6 def getFeeds(session):
7 # return AllFeeds(session).getFeeds()
8 return UnreadFeeds(session).getFeeds()
9
10 class AllFeeds(object):
11 '''A simple feed list that returns all feeds stored in the database'''
12
13 def __init__(self, session):
14 self.session = session
15
16 def getFeeds(self):
17 return Feed.all(self.session)
18
19 class UnreadFeeds(object):
20 '''A feed list that returns only Feed objects that have unread entries'''
21
22 def __init__(self, session):
23 self.session = session
24
25 def getFeeds(self):
26 query = self.session.query(FeedEntry).filter(FeedEntry.read == 0)
27 queryWithOptions = query.options(joinedload("feed"))
28 result = queryWithOptions.all()
29 return self._collectFeeds(result)
30
31 def _collectFeeds(self, feedEntries):
32 feeds = [entry.feed for entry in feedEntries]
33 uniqueFeeds = set(feeds)
34 return list(uniqueFeeds)