Mercurial > hg > Feedworm

annotate backend/sqlalchemy/Feed.py @ 206:f74fe7cb5091

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when updating feeds, only ever create new Feed objects for entries that are younger than the current expire date. This ensures that we do not see old, read, expired entries again
author dirk
date Sat, 02 Jun 2012 04:30:04 +0200
parents 7157bfd3f4d4
children bb3c851b18b1
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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5bb57caa8f66 display a feed's entries sorted by their update date
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aaec263f07ca Feeds manage the point in time when the next update should happen. FeedUpdater only updates feeds that are due.
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2 from datetime import datetime, timedelta
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3 import FeedEntry
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8a624ee48a74 First skeleton for sqlalchemy: define the mapping and create the first feed
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5 class Feed(object):
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6 @staticmethod
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7 def all(session):
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8 return session.query(Feed).order_by(Feed.title).all()
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10 def __init__(self, rss_url, title=None):
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11 self.rss_url = rss_url
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215c34f61e95 Feed.url -> Feed.rss_url
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12 self.title = title
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13 # default: update every 60 minutes
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14 self.update_interval = 60
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15 self.incrementNextUpdateDate()
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a8442c3487b5 add an option to Feed that allows loading an entry's link right away instead of displaying a feed's summary
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16 self.auto_load_entry_link = False
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d292ab61ed6f Add another setting to feed: when opening a feed entry in browser, you can force opening it in an external browser now. This is because some sites just crash the QWebView.
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17 self.always_open_in_browser = False
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18
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19 def __repr__(self):
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215c34f61e95 Feed.url -> Feed.rss_url
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20 return "<Feed (%d) %s>" % (self.pk, self.title)
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5fda8bd94fa8 make the model used to display feeds generic (so it can be used to display FeedEntries, too)
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21
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22 def userPresentableString(self):
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23 return self.title
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25 def entriesSortedByUpdateDate(self, hideReadEntries=False):
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26 if hideReadEntries:
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27 sortedEntries = self._unreadEntries()
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28 else:
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29 sortedEntries = list(self.entries)
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30 sortedEntries.sort(FeedEntry.compareByUpdateDate)
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31 return sortedEntries
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33 def _unreadEntries(self):
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34 retValue = []
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35 for entry in self.entries:
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36 if not entry.read:
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37 retValue.append(entry)
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38 return retValue
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40 def incrementNextUpdateDate(self):
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41 delta = timedelta(minutes=self.update_interval)
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42 self.next_update = datetime.now() + delta
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c82f5538733c add a menu item to mark all entries in a feed as read
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44 def takeChangesFrom(self, changes):
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45 for key in changes.keys():
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46 setattr(self, key, changes[key])