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# -*- coding: utf-8 -*-
# Copyright 2014 OpenMarket Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from synapse.api.events.room import (
RoomTopicEvent, MessageEvent, RoomMemberEvent, FeedbackEvent,
InviteJoinEvent, RoomConfigEvent, RoomNameEvent, GenericEvent,
RoomPowerLevelsEvent, RoomJoinRulesEvent,
RoomCreateEvent,
RoomRedactionEvent,
)
from synapse.types import EventID
from synapse.util.stringutils import random_string
class EventFactory(object):
_event_classes = [
RoomTopicEvent,
RoomNameEvent,
MessageEvent,
RoomMemberEvent,
FeedbackEvent,
InviteJoinEvent,
RoomConfigEvent,
RoomPowerLevelsEvent,
RoomJoinRulesEvent,
RoomCreateEvent,
RoomRedactionEvent,
]
def __init__(self, hs):
self._event_list = {} # dict of TYPE to event class
for event_class in EventFactory._event_classes:
self._event_list[event_class.TYPE] = event_class
self.clock = hs.get_clock()
self.hs = hs
self.event_id_count = 0
def create_event_id(self):
i = str(self.event_id_count)
self.event_id_count += 1
local_part = str(int(self.clock.time())) + i + random_string(5)
e_id = EventID.create(local_part, self.hs.hostname)
return e_id.to_string()
def create_event(self, etype=None, **kwargs):
kwargs["type"] = etype
if "event_id" not in kwargs:
kwargs["event_id"] = self.create_event_id()
kwargs["origin"] = self.hs.hostname
else:
ev_id = self.hs.parse_eventid(kwargs["event_id"])
kwargs["origin"] = ev_id.domain
if "origin_server_ts" not in kwargs:
kwargs["origin_server_ts"] = int(self.clock.time_msec())
# The "age" key is a delta timestamp that should be converted into an
# absolute timestamp the minute we see it.
if "age" in kwargs:
kwargs["age_ts"] = int(self.clock.time_msec()) - int(kwargs["age"])
del kwargs["age"]
elif "age_ts" not in kwargs:
kwargs["age_ts"] = int(self.clock.time_msec())
if etype in self._event_list:
handler = self._event_list[etype]
else:
handler = GenericEvent
return handler(**kwargs)
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