| paul@441 | 1 | #!/usr/bin/env python |
| paul@441 | 2 | |
| paul@441 | 3 | """ |
| paul@441 | 4 | Common calendar client utilities. |
| paul@441 | 5 | |
| paul@441 | 6 | Copyright (C) 2014, 2015 Paul Boddie <paul@boddie.org.uk> |
| paul@441 | 7 | |
| paul@441 | 8 | This program is free software; you can redistribute it and/or modify it under |
| paul@441 | 9 | the terms of the GNU General Public License as published by the Free Software |
| paul@441 | 10 | Foundation; either version 3 of the License, or (at your option) any later |
| paul@441 | 11 | version. |
| paul@441 | 12 | |
| paul@441 | 13 | This program is distributed in the hope that it will be useful, but WITHOUT |
| paul@441 | 14 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
| paul@441 | 15 | FOR A PARTICULAR PURPOSE. See the GNU General Public License for more |
| paul@441 | 16 | details. |
| paul@441 | 17 | |
| paul@441 | 18 | You should have received a copy of the GNU General Public License along with |
| paul@441 | 19 | this program. If not, see <http://www.gnu.org/licenses/>. |
| paul@441 | 20 | """ |
| paul@441 | 21 | |
| paul@443 | 22 | from imiptools.data import get_window_end, uri_items |
| paul@443 | 23 | from imiptools.dates import get_default_timezone |
| paul@443 | 24 | from imiptools.profile import Preferences |
| paul@441 | 25 | |
| paul@441 | 26 | def update_attendees(obj, added, removed): |
| paul@441 | 27 | |
| paul@441 | 28 | """ |
| paul@441 | 29 | Update the attendees in 'obj' with the given 'added' and 'removed' |
| paul@441 | 30 | attendee lists. A list is returned containing the attendees whose |
| paul@441 | 31 | attendance should be cancelled. |
| paul@441 | 32 | """ |
| paul@441 | 33 | |
| paul@441 | 34 | to_cancel = [] |
| paul@441 | 35 | |
| paul@441 | 36 | if added or removed: |
| paul@441 | 37 | attendees = uri_items(obj.get_items("ATTENDEE") or []) |
| paul@460 | 38 | sequence = obj.get_value("SEQUENCE") |
| paul@441 | 39 | |
| paul@441 | 40 | if removed: |
| paul@441 | 41 | remaining = [] |
| paul@441 | 42 | |
| paul@441 | 43 | for attendee, attendee_attr in attendees: |
| paul@441 | 44 | if attendee in removed: |
| paul@460 | 45 | |
| paul@460 | 46 | # Without a sequence number, assume that the event has not |
| paul@460 | 47 | # been published and that attendees can be silently removed. |
| paul@460 | 48 | |
| paul@460 | 49 | if sequence is not None: |
| paul@441 | 50 | to_cancel.append((attendee, attendee_attr)) |
| paul@441 | 51 | else: |
| paul@441 | 52 | remaining.append((attendee, attendee_attr)) |
| paul@441 | 53 | |
| paul@441 | 54 | attendees = remaining |
| paul@441 | 55 | |
| paul@441 | 56 | if added: |
| paul@441 | 57 | for attendee in added: |
| paul@441 | 58 | attendees.append((attendee, {"PARTSTAT" : "NEEDS-ACTION", "RSVP" : "TRUE"})) |
| paul@441 | 59 | |
| paul@441 | 60 | obj["ATTENDEE"] = attendees |
| paul@441 | 61 | |
| paul@441 | 62 | return to_cancel |
| paul@441 | 63 | |
| paul@443 | 64 | class Client: |
| paul@443 | 65 | |
| paul@443 | 66 | "Common handler and manager methods." |
| paul@443 | 67 | |
| paul@443 | 68 | def __init__(self, user): |
| paul@443 | 69 | self.user = user |
| paul@443 | 70 | self.preferences = None |
| paul@443 | 71 | |
| paul@443 | 72 | def get_preferences(self): |
| paul@443 | 73 | if not self.preferences: |
| paul@443 | 74 | self.preferences = Preferences(self.user) |
| paul@443 | 75 | return self.preferences |
| paul@443 | 76 | |
| paul@443 | 77 | def get_tzid(self): |
| paul@443 | 78 | prefs = self.get_preferences() |
| paul@443 | 79 | return prefs.get("TZID") or get_default_timezone() |
| paul@443 | 80 | |
| paul@443 | 81 | def get_window_size(self): |
| paul@443 | 82 | prefs = self.get_preferences() |
| paul@443 | 83 | try: |
| paul@443 | 84 | return int(prefs.get("window_size")) |
| paul@443 | 85 | except (TypeError, ValueError): |
| paul@443 | 86 | return 100 |
| paul@443 | 87 | |
| paul@443 | 88 | def get_window_end(self): |
| paul@443 | 89 | return get_window_end(self.get_tzid(), self.get_window_size()) |
| paul@443 | 90 | |
| paul@443 | 91 | def is_sharing(self): |
| paul@443 | 92 | return self.get_preferences().get("freebusy_sharing") == "share" |
| paul@443 | 93 | |
| paul@443 | 94 | def is_bundling(self): |
| paul@443 | 95 | return self.get_preferences().get("freebusy_bundling") == "always" |
| paul@443 | 96 | |
| paul@441 | 97 | # vim: tabstop=4 expandtab shiftwidth=4 |
