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Split out _get_event_from_row back into defer and _txn version

This commit is contained in:
Erik Johnston 2015-05-20 13:00:57 +01:00
parent 165eb2dbe6
commit 227f8ef031

View file

@ -592,7 +592,6 @@ class EventsStore(SQLBaseStore):
res = yield defer.gatherResults(
[
self._get_event_from_row(
None,
row["internal_metadata"], row["json"], row["redacts"],
check_redacted=check_redacted,
get_prev_content=get_prev_content,
@ -647,13 +646,13 @@ class EventsStore(SQLBaseStore):
rows[:] = [r for r in rows if not r["rejects"]]
res = [
unwrap_deferred(self._get_event_from_row(
self._get_event_from_row_txn(
txn,
row["internal_metadata"], row["json"], row["redacts"],
check_redacted=check_redacted,
get_prev_content=get_prev_content,
rejected_reason=row["rejects"],
))
)
for row in rows
]
@ -663,17 +662,64 @@ class EventsStore(SQLBaseStore):
}
@defer.inlineCallbacks
def _get_event_from_row(self, txn, internal_metadata, js, redacted,
def _get_event_from_row(self, internal_metadata, js, redacted,
check_redacted=True, get_prev_content=False,
rejected_reason=None):
"""This is called when we have a row from the database that we want to
convert into an event. Depending on the given options it may do more
database ops to fill in extra information (e.g. previous content or
rejection reason.)
d = json.loads(js)
internal_metadata = json.loads(internal_metadata)
`txn` may be None, and if so this creates new transactions for each
database op.
"""
if rejected_reason:
rejected_reason = yield self._simple_select_one_onecol(
table="rejections",
keyvalues={"event_id": rejected_reason},
retcol="reason",
desc="_get_event_from_row",
)
ev = FrozenEvent(
d,
internal_metadata_dict=internal_metadata,
rejected_reason=rejected_reason,
)
if check_redacted and redacted:
ev = prune_event(ev)
redaction_id = yield self._simple_select_one_onecol(
table="redactions",
keyvalues={"redacts": ev.event_id},
retcol="event_id",
desc="_get_event_from_row",
)
ev.unsigned["redacted_by"] = redaction_id
# Get the redaction event.
because = yield self.get_event(
redaction_id,
check_redacted=False
)
if because:
ev.unsigned["redacted_because"] = because
if get_prev_content and "replaces_state" in ev.unsigned:
prev = yield self.get_event(
ev.unsigned["replaces_state"],
get_prev_content=False,
)
if prev:
ev.unsigned["prev_content"] = prev.get_dict()["content"]
self._get_event_cache.prefill(
ev.event_id, check_redacted, get_prev_content, ev
)
defer.returnValue(ev)
def _get_event_from_row_txn(self, txn, internal_metadata, js, redacted,
check_redacted=True, get_prev_content=False,
rejected_reason=None):
d = json.loads(js)
internal_metadata = json.loads(internal_metadata)