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# Copyright 2014 Lars Wirzenius
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# =*= License: GPL-3+ =*=
import email
import pgpwordlist
import distixlib
NYBBLES_FOR_WORDS = 6
class TicketAlreadyHasId(distixlib.StructuredError):
msg = 'Ticket {ticket_id} already has an id'
class Ticket(object):
def __init__(self):
self._metadata = distixlib.Metadata()
self._messages = []
self._dirty = False
self._dirty_messages = []
def is_dirty(self):
return self._dirty
def make_clean(self):
self._dirty = False
self._dirty_messages = []
def get_metadata_keys(self):
return list(self._metadata.keys())
def add_metadata_key_value_pair(self, key, value):
self._metadata.add(key, value)
self._dirty = True
def get_ticket_metadata(self):
return self._metadata
def set_ticket_metadata(self, new_metadata):
self._metadata = new_metadata
self._dirty = True
def get_ticket_id(self):
return self._metadata.get_first_value('ticket-id')
def get_ticket_id_as_words(self):
ticket_id = self.get_ticket_id()
if ticket_id is not None:
return pgpwordlist.hex_to_words(ticket_id[:NYBBLES_FOR_WORDS])
return None
def set_ticket_id(self, ticket_id):
if 'ticket-id' in self._metadata:
raise TicketAlreadyHasId(ticket_id=self.get_ticket_id())
self._metadata.add('ticket-id', ticket_id)
self._dirty = True
def get_title(self):
return self._metadata.get_first_value('title')
def set_title(self, new_title):
if 'title' in self._metadata:
self._metadata.remove_all_values('title')
self._metadata.add('title', new_title)
self._dirty = True
def get_messages(self):
return self._messages
def add_message(self, message):
self._messages.append(message)
self._dirty_messages.append(message)
self._dirty = True
def get_dirty_messages(self):
return self._dirty_messages
def get_newest_message_timestamp(self):
messages = self.get_messages()
ticket_timestamp = None
for message in messages:
message_timestamp = self._get_message_timestamp(message)
ticket_timestamp = max(ticket_timestamp, message_timestamp)
return ticket_timestamp
def _get_message_timestamp(self, message):
date = message.get('Date', 'Thu, 01 Jan 1970 00:00:00 +0000')
return email.utils.mktime_tz(email.utils.parsedate_tz(date))
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