128 lines
4.8 KiB
Python
128 lines
4.8 KiB
Python
# w.c.s. - web application for online forms
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# Copyright (C) 2005-2010 Entr'ouvert
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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, see <http://www.gnu.org/licenses/>.
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import random
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import time
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import qommon.sessions
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from qommon.sessions import Session
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class BasicSession(Session):
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anonymous_key = None
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magictokens = None
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anonymous_formdata_keys = None
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visiting_objects = None
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def has_info(self):
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return (self.anonymous_formdata_keys or self.anonymous_key or
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self.magictokens or self.visiting_objects or Session.has_info(self))
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is_dirty = has_info
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def get_anonymous_key(self, generate = False):
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if self.anonymous_key:
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return self.anonymous_key
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if generate:
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self.anonymous_key = random.randint(0, 1000000000)
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return self.anonymous_key
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def add_magictoken(self, token, data):
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if not self.magictokens:
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self.magictokens = {}
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self.magictokens[token] = data
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def get_by_magictoken(self, token, default = None):
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if not self.magictokens:
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return default
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return self.magictokens.get(token, default)
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def remove_magictoken(self, token):
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if not self.magictokens:
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return
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if token in self.magictokens:
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del self.magictokens[token]
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def mark_anonymous_formdata(self, formdata):
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if not self.anonymous_formdata_keys:
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self.anonymous_formdata_keys = {}
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self.anonymous_formdata_keys['%s-%s' % (formdata.formdef.id, formdata.id)] = True
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def is_anonymous_submitter(self, formdata):
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if not self.anonymous_formdata_keys:
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return False
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formdata_key = '%s-%s' % (formdata.formdef.id, formdata.id)
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return formdata_key in self.anonymous_formdata_keys
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def mark_visited_object(self, key):
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if not self.visiting_objects:
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self.visiting_objects = {}
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# first clean older objects
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current_timestamp = time.time()
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for object_key, object_timestamp in self.visiting_objects.items():
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if object_timestamp < (current_timestamp - 30*60):
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del self.visiting_objects[object_key]
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self.visiting_objects[key] = current_timestamp
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@classmethod
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def get_visited_objects(cls, exclude_user=None):
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# return the list of visited objects
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current_timestamp = time.time()
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visited_objects = {}
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for session in cls.select(ignore_errors=True):
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if session.user and session.user == exclude_user:
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continue
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visiting_objects = getattr(session, 'visiting_objects', None)
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if not visiting_objects:
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continue
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for object_key, object_timestamp in visiting_objects.items():
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if object_timestamp > (current_timestamp - 30*60):
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visited_objects[object_key] = True
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return visited_objects.keys()
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@classmethod
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def get_object_visitors(cls, object_key):
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'''return tuples of (user_id, last_visit_timestamp)'''
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current_timestamp = time.time()
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visitors = {}
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for session in cls.select(ignore_errors=True):
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visiting_objects = getattr(session, 'visiting_objects', None)
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if not visiting_objects:
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continue
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object_timestamp = visiting_objects.get(object_key)
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if not object_timestamp:
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continue
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if object_timestamp > (current_timestamp - 30*60):
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visitors[session.user] = max(object_timestamp, visitors.get(session.user, 0))
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return visitors.items()
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def unmark_visited_object(self, object_key):
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# remove from current session
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if object_key in (getattr(self, 'visiting_objects', None) or {}):
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del self.visiting_objects[object_key]
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# and from others
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for session in self.__class__.select(ignore_errors=True):
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if session.id == self.id:
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continue
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visiting_objects = getattr(session, 'visiting_objects', None)
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if not visiting_objects:
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continue
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if object_key in visiting_objects:
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del session.visiting_objects[object_key]
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session.store()
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qommon.sessions.BasicSession = BasicSession
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StorageSessionManager = qommon.sessions.StorageSessionManager
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