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annotate backend/couchdb/Preferences.py @ 158:e8bb107a74e1

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all preferences are stored in a single JSON document in the couchdb backend. PreferencesDialog converts QString to a proper Python datatybe before sending it to the backend.
author dirk
date Mon, 29 Aug 2011 02:33:51 +0200
parents 2d159eb2a91b
children 91a24f499318
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rev   line source
158
e8bb107a74e1 all preferences are stored in a single JSON document in the couchdb backend. PreferencesDialog converts QString to a proper Python datatybe before sending it to the backend.
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1
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2 DAYS_TO_KEEP_FEED_ENTRIES = "daysToKeepFeedEntries"
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3 HIDE_READ_FEED_ENTRIES = "hideReadFeedEntries"
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4 PROXY_HOST = "proxyHost"
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5 PROXY_PORT = "proxyPort"
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6 SHOW_ONLY_UNREAD_FEEDS = "showOnlyUnreadFeeds"
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7 START_MAXIMIZED = "startMaximized"
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9 class Preferences(object):
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10 def __init__(self, database):
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11 self.database = database
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12 self._initDocument()
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13 self.documentIsDirty = False
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14
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15 def _initDocument(self):
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16 viewResults = self.database.view("feedtest/preference")
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17 try:
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18 row = iter(viewResults).next()
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19 self.document = self.database[row.id]
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20 except StopIteration:
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21 empty = { "doctype" : "preferences" }
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22 doc_id, doc_rev = self.database.save(empty) #@UnusedVariable
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23 self.document = self.database[doc_id]
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24
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25 def _documentValue(self, key, defaultValue=None):
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26 if key in self.document.keys():
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27 return self.document[key]
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28 else:
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29 return defaultValue
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30
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31 def _setDocumentValue(self, key, value):
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32 self.document[key] = value
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33 self.documentIsDirty = True
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34
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35 def isProxyConfigured(self):
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36 return self.proxyHost() is not None
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37
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38 def proxyHost(self):
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39 return self._documentValue(PROXY_HOST)
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40
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41 def setProxyHost(self, hostname):
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42 if hostname is None:
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43 if PROXY_HOST in self.document.keys():
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44 del self.document[PROXY_HOST]
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45 self.documentIsDirty = True
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46 else:
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47 self._setDocumentValue(PROXY_HOST, hostname)
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49 def proxyPort(self):
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50 return self._documentValue(PROXY_PORT)
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51
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52 def setProxyPort(self, port):
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53 if port is None:
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54 if PROXY_PORT in self.document.keys():
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55 del self.document[PROXY_PORT]
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56 self.documenIsDirty = True
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57 else:
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58 self._setDocumentValue(PROXY_PORT, port)
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60 def showOnlyUnreadFeeds(self):
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61 return self._documentValue(SHOW_ONLY_UNREAD_FEEDS, False)
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63 def setShowOnlyUnreadFeeds(self, flag):
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64 self._setDocumentValue(SHOW_ONLY_UNREAD_FEEDS, flag)
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66 def startMaximized(self):
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67 return self._documentValue(START_MAXIMIZED, False)
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69 def setStartMaximized(self, flag):
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70 self._setDocumentValue(START_MAXIMIZED, flag)
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72 def hideReadFeedEntries(self):
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73 return self._documentValue(HIDE_READ_FEED_ENTRIES, False)
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75 def setHideReadFeedEntries(self, flag):
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76 self._setDocumentValue(HIDE_READ_FEED_ENTRIES, flag)
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78 def daysToKeepFeedEntries(self):
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79 return self._documentValue(DAYS_TO_KEEP_FEED_ENTRIES, 90)
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81 def setDaysToKeepFeedEntries(self, days):
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82 self._setDocumentValue(DAYS_TO_KEEP_FEED_ENTRIES, days)
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83
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84 def commit(self):
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85 if self.documentIsDirty:
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86 self.database.save(self.document)
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88 def rollback(self):
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89 if self.documentIsDirty:
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90 self._initDocument()