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https://git.anonymousland.org/anonymousland/synapse.git
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Merge pull request #154 from matrix-org/erikj/events_move
Move get_events functions to storage.events
This commit is contained in:
Mark Haines
commit
9396723995
@ -15,8 +15,6 @@
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import logging
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from synapse.api.errors import StoreError
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from synapse.events import FrozenEvent
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from synapse.events.utils import prune_event
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from synapse.util.logutils import log_function
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from synapse.util.logcontext import preserve_context_over_fn, LoggingContext
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from synapse.util.lrucache import LruCache
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@ -28,7 +26,6 @@ from twisted.internet import defer
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from collections import namedtuple, OrderedDict
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import functools
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import simplejson as json
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import sys
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import time
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import threading
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@ -867,158 +864,6 @@ class SQLBaseStore(object):
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return self.runInteraction("_simple_max_id", func)
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def _get_events(self, event_ids, check_redacted=True,
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get_prev_content=False):
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return self.runInteraction(
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"_get_events", self._get_events_txn, event_ids,
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check_redacted=check_redacted, get_prev_content=get_prev_content,
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)
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def _get_events_txn(self, txn, event_ids, check_redacted=True,
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get_prev_content=False):
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if not event_ids:
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return []
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events = [
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self._get_event_txn(
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txn, event_id,
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check_redacted=check_redacted,
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get_prev_content=get_prev_content
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)
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for event_id in event_ids
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]
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return [e for e in events if e]
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def _invalidate_get_event_cache(self, event_id):
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for check_redacted in (False, True):
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for get_prev_content in (False, True):
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self._get_event_cache.invalidate(event_id, check_redacted,
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get_prev_content)
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def _get_event_txn(self, txn, event_id, check_redacted=True,
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get_prev_content=False, allow_rejected=False):
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start_time = time.time() * 1000
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def update_counter(desc, last_time):
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curr_time = self._get_event_counters.update(desc, last_time)
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sql_getevents_timer.inc_by(curr_time - last_time, desc)
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return curr_time
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try:
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ret = self._get_event_cache.get(event_id, check_redacted, get_prev_content)
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if allow_rejected or not ret.rejected_reason:
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return ret
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else:
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return None
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except KeyError:
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pass
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finally:
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start_time = update_counter("event_cache", start_time)
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sql = (
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"SELECT e.internal_metadata, e.json, r.event_id, rej.reason "
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"FROM event_json as e "
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"LEFT JOIN redactions as r ON e.event_id = r.redacts "
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"LEFT JOIN rejections as rej on rej.event_id = e.event_id "
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"WHERE e.event_id = ? "
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"LIMIT 1 "
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)
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txn.execute(sql, (event_id,))
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res = txn.fetchone()
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if not res:
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return None
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internal_metadata, js, redacted, rejected_reason = res
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start_time = update_counter("select_event", start_time)
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result = self._get_event_from_row_txn(
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txn, internal_metadata, js, redacted,
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check_redacted=check_redacted,
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get_prev_content=get_prev_content,
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rejected_reason=rejected_reason,
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)
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self._get_event_cache.prefill(event_id, check_redacted, get_prev_content, result)
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if allow_rejected or not rejected_reason:
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return result
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else:
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return None
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def _get_event_from_row_txn(self, txn, internal_metadata, js, redacted,
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check_redacted=True, get_prev_content=False,
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rejected_reason=None):
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start_time = time.time() * 1000
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def update_counter(desc, last_time):
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curr_time = self._get_event_counters.update(desc, last_time)
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sql_getevents_timer.inc_by(curr_time - last_time, desc)
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return curr_time
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d = json.loads(js)
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start_time = update_counter("decode_json", start_time)
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internal_metadata = json.loads(internal_metadata)
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start_time = update_counter("decode_internal", start_time)
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ev = FrozenEvent(
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d,
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internal_metadata_dict=internal_metadata,
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rejected_reason=rejected_reason,
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)
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start_time = update_counter("build_frozen_event", start_time)
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if check_redacted and redacted:
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ev = prune_event(ev)
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ev.unsigned["redacted_by"] = redacted
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# Get the redaction event.
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because = self._get_event_txn(
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txn,
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redacted,
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check_redacted=False
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)
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if because:
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ev.unsigned["redacted_because"] = because
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start_time = update_counter("redact_event", start_time)
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if get_prev_content and "replaces_state" in ev.unsigned:
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prev = self._get_event_txn(
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txn,
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ev.unsigned["replaces_state"],
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get_prev_content=False,
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)
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if prev:
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ev.unsigned["prev_content"] = prev.get_dict()["content"]
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start_time = update_counter("get_prev_content", start_time)
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return ev
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def _parse_events(self, rows):
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return self.runInteraction(
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"_parse_events", self._parse_events_txn, rows
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)
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def _parse_events_txn(self, txn, rows):
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event_ids = [r["event_id"] for r in rows]
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return self._get_events_txn(txn, event_ids)
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def _has_been_redacted_txn(self, txn, event):
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sql = "SELECT event_id FROM redactions WHERE redacts = ?"
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txn.execute(sql, (event.event_id,))
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result = txn.fetchone()
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return result[0] if result else None
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def get_next_stream_id(self):
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with self._next_stream_id_lock:
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i = self._next_stream_id
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@ -17,6 +17,9 @@ from _base import SQLBaseStore, _RollbackButIsFineException
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from twisted.internet import defer
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from synapse.events import FrozenEvent
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from synapse.events.utils import prune_event
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from synapse.util.logutils import log_function
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from synapse.api.constants import EventTypes
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from synapse.crypto.event_signing import compute_event_reference_hash
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@ -26,6 +29,7 @@ from syutil.jsonutil import encode_canonical_json
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from contextlib import contextmanager
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import logging
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import simplejson as json
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logger = logging.getLogger(__name__)
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@ -393,3 +397,131 @@ class EventsStore(SQLBaseStore):
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return self.runInteraction(
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"have_events", f,
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)
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def _get_events(self, event_ids, check_redacted=True,
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get_prev_content=False):
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return self.runInteraction(
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"_get_events", self._get_events_txn, event_ids,
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check_redacted=check_redacted, get_prev_content=get_prev_content,
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)
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def _get_events_txn(self, txn, event_ids, check_redacted=True,
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get_prev_content=False):
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if not event_ids:
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return []
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events = [
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self._get_event_txn(
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txn, event_id,
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check_redacted=check_redacted,
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get_prev_content=get_prev_content
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)
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for event_id in event_ids
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]
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return [e for e in events if e]
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def _invalidate_get_event_cache(self, event_id):
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for check_redacted in (False, True):
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for get_prev_content in (False, True):
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self._get_event_cache.invalidate(event_id, check_redacted,
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get_prev_content)
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def _get_event_txn(self, txn, event_id, check_redacted=True,
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get_prev_content=False, allow_rejected=False):
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try:
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ret = self._get_event_cache.get(event_id, check_redacted, get_prev_content)
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if allow_rejected or not ret.rejected_reason:
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return ret
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else:
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return None
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except KeyError:
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pass
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sql = (
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"SELECT e.internal_metadata, e.json, r.event_id, rej.reason "
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"FROM event_json as e "
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"LEFT JOIN redactions as r ON e.event_id = r.redacts "
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"LEFT JOIN rejections as rej on rej.event_id = e.event_id "
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"WHERE e.event_id = ? "
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"LIMIT 1 "
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)
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txn.execute(sql, (event_id,))
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res = txn.fetchone()
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if not res:
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return None
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internal_metadata, js, redacted, rejected_reason = res
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result = self._get_event_from_row_txn(
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txn, internal_metadata, js, redacted,
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check_redacted=check_redacted,
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get_prev_content=get_prev_content,
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rejected_reason=rejected_reason,
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)
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self._get_event_cache.prefill(event_id, check_redacted, get_prev_content, result)
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if allow_rejected or not rejected_reason:
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return result
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else:
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return None
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def _get_event_from_row_txn(self, txn, internal_metadata, js, redacted,
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check_redacted=True, get_prev_content=False,
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rejected_reason=None):
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d = json.loads(js)
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internal_metadata = json.loads(internal_metadata)
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ev = FrozenEvent(
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d,
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internal_metadata_dict=internal_metadata,
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rejected_reason=rejected_reason,
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)
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if check_redacted and redacted:
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ev = prune_event(ev)
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ev.unsigned["redacted_by"] = redacted
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# Get the redaction event.
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because = self._get_event_txn(
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txn,
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redacted,
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check_redacted=False
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)
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if because:
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ev.unsigned["redacted_because"] = because
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if get_prev_content and "replaces_state" in ev.unsigned:
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prev = self._get_event_txn(
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txn,
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ev.unsigned["replaces_state"],
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get_prev_content=False,
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)
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if prev:
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ev.unsigned["prev_content"] = prev.get_dict()["content"]
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return ev
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def _parse_events(self, rows):
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return self.runInteraction(
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"_parse_events", self._parse_events_txn, rows
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)
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def _parse_events_txn(self, txn, rows):
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event_ids = [r["event_id"] for r in rows]
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return self._get_events_txn(txn, event_ids)
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def _has_been_redacted_txn(self, txn, event):
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sql = "SELECT event_id FROM redactions WHERE redacts = ?"
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txn.execute(sql, (event.event_id,))
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result = txn.fetchone()
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return result[0] if result else None
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