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.content import to_part 23 24 class CommonFreebusy: 25 26 "Common free/busy mix-in." 27 28 def request(self): 29 30 """ 31 Respond to a request by preparing a reply containing free/busy 32 information for each indicated attendee. 33 """ 34 35 oa = self.require_organiser_and_attendees() 36 if not oa: 37 return None 38 39 (organiser, organiser_attr), attendees = organiser_item, attendees = oa 40 41 # Construct an appropriate fragment. 42 43 calendar = [] 44 cwrite = calendar.append 45 46 # Get the details for each attendee. 47 48 for attendee, attendee_attr in attendees.items(): 49 freebusy = self.store.get_freebusy(attendee) 50 51 record = [] 52 rwrite = record.append 53 54 rwrite(("ORGANIZER", organiser_attr, organiser)) 55 rwrite(("ATTENDEE", attendee_attr, attendee)) 56 rwrite(("UID", {}, self.uid)) 57 58 if freebusy: 59 for start, end, uid, transp in freebusy: 60 if transp == "OPAQUE": 61 rwrite(("FREEBUSY", {"FBTYPE" : "BUSY"}, "/".join([start, end]))) 62 63 cwrite(("VFREEBUSY", {}, record)) 64 65 # Return the reply. 66 67 return "REPLY", to_part("REPLY", calendar) 68 69 # vim: tabstop=4 expandtab shiftwidth=4