1 #!/usr/bin/env python 2 3 """ 4 Common handler functionality for different entities. 5 6 Copyright (C) 2014, 2015 Paul Boddie <paul@boddie.org.uk> 7 8 This program is free software; you can redistribute it and/or modify it under 9 the terms of the GNU General Public License as published by the Free Software 10 Foundation; either version 3 of the License, or (at your option) any later 11 version. 12 13 This program is distributed in the hope that it will be useful, but WITHOUT 14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 15 FOR A PARTICULAR PURPOSE. See the GNU General Public License for more 16 details. 17 18 You should have received a copy of the GNU General Public License along with 19 this program. If not, see <http://www.gnu.org/licenses/>. 20 """ 21 22 from imiptools.data import get_address, get_uri, make_freebusy, to_part 23 from imiptools.dates import format_datetime 24 25 class CommonFreebusy: 26 27 "Common free/busy mix-in." 28 29 def request(self): 30 31 """ 32 Respond to a request by preparing a reply containing free/busy 33 information for each indicated attendee. 34 """ 35 36 oa = self.require_organiser_and_attendees() 37 if not oa: 38 return 39 40 (organiser, organiser_attr), attendees = oa 41 42 # Get the details for each attendee. 43 44 responses = [] 45 rwrite = responses.append 46 47 # For replies, the organiser and attendee are preserved. 48 49 for attendee, attendee_attr in attendees.items(): 50 freebusy = self.store.get_freebusy(attendee) 51 52 # Indicate the actual sender of the reply. 53 54 if self.messenger: 55 attendee_attr["SENT-BY"] = get_uri(self.messenger.sender) 56 57 dtstart = format_datetime(self.obj.get_utc_datetime("DTSTART")) 58 dtend = format_datetime(self.obj.get_utc_datetime("DTEND")) 59 60 rwrite(make_freebusy(freebusy, self.uid, organiser, organiser_attr, attendee, attendee_attr, dtstart, dtend)) 61 62 # Return the reply. 63 64 self.add_result("REPLY", [get_address(organiser)], to_part("REPLY", responses)) 65 66 # vim: tabstop=4 expandtab shiftwidth=4