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Diffstat (limited to 'synapse/events/builder.py')
-rw-r--r-- | synapse/events/builder.py | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/synapse/events/builder.py b/synapse/events/builder.py new file mode 100644 index 0000000000..0b8caf9318 --- /dev/null +++ b/synapse/events/builder.py @@ -0,0 +1,69 @@ +# -*- 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 . import EventBase, FrozenEvent + +from synapse.types import EventID + +from synapse.util.stringutils import random_string + + +class EventBuilder(EventBase): + def __init__(self, key_values={}): + super(EventBuilder, self).__init__( + key_values, + ) + + def update_event_key(self, key, value): + self._event_dict[key] = value + + def update_event_keys(self, other_dict): + self._event_dict.update(other_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={}): + if "event_id" not in key_values: + key_values["event_id"] = self.create_event_id() + + time_now = self.clock.time_msec() + + key_values.setdefault("origin", self.hostname) + key_values.setdefault("origin_server_ts", time_now) + + if "unsigned" in key_values: + age = key_values["unsigned"].pop("age", 0) + key_values["unsigned"].setdefault("age_ts", time_now - age) + + return EventBuilder(key_values=key_values,) \ No newline at end of file |