mirror of
https://mau.dev/maunium/synapse.git
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219 lines
6.5 KiB
Python
219 lines
6.5 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2014 matrix.org
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from twisted.internet import defer
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from synapse.api.events.room import (
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RoomMemberEvent, MessageEvent, RoomTopicEvent, FeedbackEvent,
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RoomConfigEvent, RoomNameEvent,
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)
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from synapse.util.logutils import log_function
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from .directory import DirectoryStore
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from .feedback import FeedbackStore
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from .presence import PresenceStore
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from .profile import ProfileStore
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from .registration import RegistrationStore
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from .room import RoomStore
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from .roommember import RoomMemberStore
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from .stream import StreamStore
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from .pdu import StatePduStore, PduStore
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from .transactions import TransactionStore
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import json
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import logging
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import os
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logger = logging.getLogger(__name__)
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class DataStore(RoomMemberStore, RoomStore,
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RegistrationStore, StreamStore, ProfileStore, FeedbackStore,
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PresenceStore, PduStore, StatePduStore, TransactionStore,
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DirectoryStore):
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def __init__(self, hs):
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super(DataStore, self).__init__(hs)
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self.event_factory = hs.get_event_factory()
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self.hs = hs
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self.min_token_deferred = self._get_min_token()
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self.min_token = None
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@defer.inlineCallbacks
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@log_function
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def persist_event(self, event, backfilled=False):
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if event.type == RoomMemberEvent.TYPE:
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yield self._store_room_member(event)
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elif event.type == FeedbackEvent.TYPE:
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yield self._store_feedback(event)
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# elif event.type == RoomConfigEvent.TYPE:
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# yield self._store_room_config(event)
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elif event.type == RoomNameEvent.TYPE:
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yield self._store_room_name(event)
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elif event.type == RoomTopicEvent.TYPE:
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yield self._store_room_topic(event)
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ret = yield self._store_event(event, backfilled)
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defer.returnValue(ret)
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@defer.inlineCallbacks
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def get_event(self, event_id):
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events_dict = yield self._simple_select_one(
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"events",
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{"event_id": event_id},
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[
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"event_id",
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"type",
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"sender",
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"room_id",
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"content",
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"unrecognized_keys"
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],
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)
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event = self._parse_event_from_row(events_dict)
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defer.returnValue(event)
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@defer.inlineCallbacks
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@log_function
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def _store_event(self, event, backfilled):
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# FIXME (erikj): This should be removed when we start amalgamating
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# event and pdu storage
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yield self.hs.get_federation().fill_out_prev_events(event)
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vals = {
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"topological_ordering": event.depth,
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"event_id": event.event_id,
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"type": event.type,
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"room_id": event.room_id,
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"content": json.dumps(event.content),
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"processed": True,
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}
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if hasattr(event, "outlier"):
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vals["outlier"] = event.outlier
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else:
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vals["outlier"] = False
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if backfilled:
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if not self.min_token_deferred.called:
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yield self.min_token_deferred
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self.min_token -= 1
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vals["stream_ordering"] = self.min_token
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unrec = {
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k: v
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for k, v in event.get_full_dict().items()
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if k not in vals.keys()
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}
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vals["unrecognized_keys"] = json.dumps(unrec)
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try:
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yield self._simple_insert("events", vals)
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except:
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logger.exception(
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"Failed to persist, probably duplicate: %s",
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event.event_id
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)
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return
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if not backfilled and hasattr(event, "state_key"):
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vals = {
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"event_id": event.event_id,
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"room_id": event.room_id,
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"type": event.type,
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"state_key": event.state_key,
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}
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if hasattr(event, "prev_state"):
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vals["prev_state"] = event.prev_state
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yield self._simple_insert("state_events", vals)
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yield self._simple_insert(
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"current_state_events",
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{
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"event_id": event.event_id,
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"room_id": event.room_id,
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"type": event.type,
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"state_key": event.state_key,
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}
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)
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latest = yield self.get_room_events_max_id()
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defer.returnValue(latest)
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@defer.inlineCallbacks
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def get_current_state(self, room_id, event_type=None, state_key=""):
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sql = (
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"SELECT e.* FROM events as e "
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"INNER JOIN current_state_events as c ON e.event_id = c.event_id "
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"INNER JOIN state_events as s ON e.event_id = s.event_id "
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"WHERE c.room_id = ? "
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)
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if event_type:
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sql += " AND s.type = ? AND s.state_key = ? "
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args = (room_id, event_type, state_key)
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else:
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args = (room_id, )
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results = yield self._execute_and_decode(sql, *args)
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defer.returnValue([self._parse_event_from_row(r) for r in results])
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@defer.inlineCallbacks
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def _get_min_token(self):
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row = yield self._execute(
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None,
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"SELECT MIN(stream_ordering) FROM events"
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)
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self.min_token = row[0][0] if row and row[0] and row[0][0] else -1
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self.min_token = min(self.min_token, -1)
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logger.debug("min_token is: %s", self.min_token)
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defer.returnValue(self.min_token)
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def schema_path(schema):
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""" Get a filesystem path for the named database schema
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Args:
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schema: Name of the database schema.
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Returns:
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A filesystem path pointing at a ".sql" file.
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"""
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dir_path = os.path.dirname(__file__)
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schemaPath = os.path.join(dir_path, "schema", schema + ".sql")
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return schemaPath
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def read_schema(schema):
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""" Read the named database schema.
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Args:
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schema: Name of the datbase schema.
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Returns:
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A string containing the database schema.
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"""
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with open(schema_path(schema)) as schema_file:
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return schema_file.read()
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