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# -*- coding: utf-8 -*-
# Copyright 2014, 2015 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 . import EventBase, FrozenEvent
from synapse.types import EventID
from synapse.util.stringutils import random_string
import copy
class EventBuilder(EventBase):
def __init__(self, key_values={}, internal_metadata_dict={}):
signatures = copy.deepcopy(key_values.pop("signatures", {}))
unsigned = copy.deepcopy(key_values.pop("unsigned", {}))
super(EventBuilder, self).__init__(
key_values,
signatures=signatures,
unsigned=unsigned,
internal_metadata_dict=internal_metadata_dict,
)
def build(self):
return FrozenEvent.from_event(self)
class EventBuilderFactory(object):
def __init__(self, clock, hostname):
self.clock = clock
self.hostname = hostname
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.hostname)
return e_id.to_string()
def new(self, key_values={}):
key_values["event_id"] = self.create_event_id()
time_now = int(self.clock.time_msec())
key_values.setdefault("origin", self.hostname)
key_values.setdefault("origin_server_ts", time_now)
key_values.setdefault("unsigned", {})
age = key_values["unsigned"].pop("age", 0)
key_values["unsigned"].setdefault("age_ts", time_now - age)
key_values["signatures"] = {}
return EventBuilder(key_values=key_values,)
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