153 lines
5.2 KiB
Python
153 lines
5.2 KiB
Python
#
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# Copyright (c) 2015 Helmut Merz helmutm@cy55.de
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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"""
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A framework for storing personal favorites and settings.
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"""
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from zope.component import adapts
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from zope.interface import implements
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from cybertools.util.date import date2TimeStamp
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from cybertools.tracking.btree import Track
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from cybertools.tracking.interfaces import ITrackingStorage
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from loops.organize.personal.interfaces import IFavorites, IFavorite
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from loops import util
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class Favorites(object):
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implements(IFavorites)
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adapts(ITrackingStorage)
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def __init__(self, context):
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self.context = context
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def list(self, person, sortKey=None, type='favorite'):
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for item in self.listTracks(person, sortKey, type):
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yield item.taskId
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def listWithTracks(self, person, sortKey=None, type='favorite'):
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for item in self.listTracks(person, sortKey, type):
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yield util.getUidForObject(item), item.taskId
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def listTracks(self, person, sortKey=None, type='favorite'):
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if person is None:
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return
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personUid = util.getUidForObject(person)
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if sortKey is None:
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sortKey = lambda x: (x.data.get('order', 100), -date2TimeStamp(x.timeStamp))
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for item in sorted(self.context.query(userName=personUid), key=sortKey):
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if type is not None:
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if item.type != type:
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continue
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yield item
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def add(self, obj, person, data=None, nodups=True):
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if None in (obj, person):
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return False
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uid = util.getUidForObject(obj)
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personUid = util.getUidForObject(person)
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if data is None:
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data = {'type': 'favorite', 'order': 100}
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if nodups:
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for track in self.context.query(userName=personUid, taskId=uid):
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if track.type == data['type']: # already present
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return False
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return self.context.saveUserTrack(uid, 0, personUid, data)
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def remove(self, obj, person, type='favorite'):
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if None in (obj, person):
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return False
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uid = util.getUidForObject(obj)
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personUid = util.getUidForObject(person)
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changed = False
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for track in self.context.query(userName=personUid, taskId=uid):
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if track.type == type:
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changed = True
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self.context.removeTrack(track)
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return changed
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def reorder(self, uids):
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offset = 0
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for idx, uid in enumerate(uids):
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#track = util.getObjectForUid(uid)
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track = util.getItem(uid, storage=self.context.storage)
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if track is not None:
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data = track.data
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order = data.get('order', 100)
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if order < idx or (order >= 100 and order < idx + 100):
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offset = 100
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data['order'] = idx + offset
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#track.data = data
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self.context.setTrackData(track, data)
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class BaseFavorite(object):
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implements(IFavorite)
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typeName = 'Favorite'
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@property
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def type(self):
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return self.data.get('type') or 'favorite'
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class Favorite(BaseFavorite, Track):
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pass
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def updateSortInfo(person, task, data):
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if person is not None:
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favorites = task.getLoopsRoot().getRecordManager().get('favorites')
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if favorites is None:
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return data
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personUid = util.getUidForObject(person)
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taskUid = util.getUidForObject(task)
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for fav in favorites.query(userName=personUid, taskId=taskUid):
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if fav.data.get('type') == 'sort':
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fdata = fav.data['sortInfo']
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if not data:
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data = fdata
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else:
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if data != fdata:
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newData = fav.data
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newData['sortInfo'] = data
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fav.data = newData
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break
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else:
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if data:
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Favorites(favorites).add(task, person,
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dict(type='sort', sortInfo=data))
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return data
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def setInstitution(person, inst):
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if person is not None:
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favorites = inst.getLoopsRoot().getRecordManager().get('favorites')
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if favorites is None:
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return
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personUid = util.getUidForObject(person)
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taskUid = util.getUidForObject(inst)
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for fav in favorites.query(userName=personUid):
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if fav.type == 'institution':
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fav.taskId = taskUid
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favorites.indexTrack(None, fav, 'taskId')
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else:
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Favorites(favorites).add(inst, person, dict(type='institution'))
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