Mercurial > hg > Feedworm

annotate backend/couchdb/CouchDbBackend.py @ 146:8ec20377bcb0

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move getting the entries for a feed to the backend so that the couchdb backend can use a custom view for feed entries
author Dirk Olmes <dirk@xanthippe.ping.de>
date Thu, 25 Aug 2011 07:01:45 +0200
parents 74217db92993
children c5a427d46703
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2 from FeedUpdater import FeedUpdater
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3 from Preferences import Preferences
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4 from backend.couchdb.Feed import Feed
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5 from backend.couchdb.FeedEntry import FeedEntry
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6 import couchdb
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9 DATABASE = "feedtest"
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11 class CouchDbBackend(object):
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12 '''
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13 Backend that uses CouchDB for persistence
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14 '''
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16 def __init__(self):
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17 server = couchdb.Server()
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18 self.database = server[DATABASE]
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20 def preferences(self):
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21 return Preferences(self.database)
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23 def getFeeds(self):
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24 if self.preferences().showOnlyUnreadFeeds():
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25 return self._getUnreadFeeds()
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26 else:
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27 return Feed.all(self.database)
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29 def _getUnreadFeeds(self):
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30 raise Exception("not yet implemented")
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32 def toggleRead(self, feedEntry):
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33 raise Exception("not yet implemented")
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35 def markAllEntriesRead(self, feed):
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36 raise Exception("not yet implemented")
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38 def createFeed(self, url):
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39 raise Exception("not yet implemented")
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41 def updateFeed(self, feed, changes):
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42 raise Exception("not yet implemented")
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44 def deleteFeed(self, feed):
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45 raise Exception("not yet implemented")
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47 def entriesForFeed(self, feed, hideReadEntries):
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48 viewName = "feedtest/feedEntries_by_feed"
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49 if hideReadEntries:
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50 viewName = "feedtest/unread_feedEntries_by_feed"
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51 viewResults = self.database.view(viewName)
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52 return [FeedEntry(row) for row in viewResults]
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54 def markFeedEntriesAsRead(self, entries):
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55 raise Exception("not yet implemented")
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57 def updateAllFeeds(self):
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58 # TODO use a view instead of iterating all feeds
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59 allFeeds = Feed.all(self.database)
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60 for feed in allFeeds:
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61 if feed.needsUpdate():
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62 FeedUpdater(feed, self.database).update()
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64 def expireFeedEntries(self):
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65 print("Expiring feeds is not yet implemented")
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66 # raise Exception("not yet implemented")
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68 def dispose(self):
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69 # nothing to do here
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70 pass