Mercurial > hg > Feedworm

annotate backend/AbstractBackend.py @ 259:304917762618 default tip

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implementation of feed updates
author Dirk Olmes <dirk@xanthippe.ping.de>
date Tue, 12 Mar 2019 02:41:22 +0100
parents f79be01821c4
children
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1 # -*- coding: utf-8 -*-
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2 from datetime import datetime, timedelta
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4 def calculateExpireDate(preferences):
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5 now = datetime.now()
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6 daysToKeepFeedEntries = preferences.daysToKeepFeedEntries()
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7 delta = timedelta(days=daysToKeepFeedEntries)
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8 return now - delta
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10 class AbstractBackend(object):
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11 def __init__(self):
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12 self.feeds = []
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13 self.selectedFeed = None
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14 self.feedEntries = None
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15 self.selectedFeedEntry = None
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17 def dispose(self):
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18 pass
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20 #
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21 # handling of feeds
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22 #
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23 def getFeeds(self):
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24 if self.preferences().showOnlyUnreadFeeds():
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25 self.feeds = self.getUnreadFeeds()
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26 else:
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27 self.feeds = self.getAllFeeds()
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28 return self.feeds
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30 def selectFeed(self, index):
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31 self.selectedFeed = self.feeds[index]
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32 self.feedEntries = None
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33 return self.selectedFeed
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35 def entriesForSelectedFeed(self):
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36 if self.feedEntries is None:
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37 hideReadEntries = self.preferences().hideReadFeedEntries()
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38 self.feedEntries = self._retrieveEntriesForSelectedFeed(hideReadEntries)
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39 return self.feedEntries
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41 def _calculateExpireDate(self):
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42 return calculateExpireDate(self.preferences())
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44 #
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45 # handling of the selected feed entry
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46 #
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48 def selectFeedEntry(self, index):
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49 self.selectedFeedEntry = self.feedEntries[index]
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50 self._markSelectedFeedEntryRead()
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51 return self.selectedFeedEntry