Mercurial > hg > Feedworm

annotate backend/couchdb/Feed.py @ 169:91a24f499318

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introdue an abstraction for the name of the database so it can be changed via commandline parameter
author dirk
date Fri, 09 Sep 2011 14:52:54 +0200
parents 04c3b9796b89
children bb3c851b18b1
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2cd30af937fa add the required methods for determining if a feed needs to be updated
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b290e29a94b5 use couchdb's mapping API instead of manually coding around Rows - much leaner code :-)
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2 from couchdb.mapping import BooleanField, DateTimeField, Document, IntegerField, TextField
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3 from datetime import datetime, timedelta
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4 import CouchDb
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6 class Feed(Document):
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7 doctype = TextField(default="feed")
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8 title = TextField()
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9 rss_url = TextField()
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10 update_interval = IntegerField(default=60)
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11 next_update = DateTimeField()
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12 auto_load_entry_link = BooleanField(default=False)
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13 always_open_in_browser = BooleanField(default=False)
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15 @staticmethod
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16 def all(database):
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17 return Feed.view(database, CouchDb.feeds())
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19 @staticmethod
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04c3b9796b89 feedparser uses the proxy now if one is configured. To implement this the FeedUpdater had to change a bit - sqlalchemy backend is not yet refactored.
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20 def create(url, title=None):
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21 feed = Feed()
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22 feed.rss_url = url
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23 feed.title = title
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24 return feed
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25
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26 def needsUpdate(self):
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27 delta = datetime.now() - self.next_update
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28 return delta.total_seconds() > self._updateIntervalInSeconds()
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30 def incrementNextUpdateDate(self):
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31 updateInterval = self._updateIntervalInSeconds()
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32 delta = timedelta(seconds=updateInterval)
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7d724cf2dcf7 after a feed update, calculate a feed's update date from the current date, not the original next update date
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33 self.next_update = datetime.now() + delta
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35 def _updateIntervalInSeconds(self):
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36 return self.update_interval * 60