anonymousland-synapse/synapse/storage/group_server.py
2017-07-24 17:49:39 +01:00

1111 lines
37 KiB
Python

# -*- coding: utf-8 -*-
# Copyright 2017 Vector Creations 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 twisted.internet import defer
from synapse.api.errors import SynapseError
from ._base import SQLBaseStore
import ujson as json
# The category ID for the "default" category. We don't store as null in the
# database to avoid the fun of null != null
_DEFAULT_CATEGORY_ID = ""
_DEFAULT_ROLE_ID = ""
class GroupServerStore(SQLBaseStore):
def get_group(self, group_id):
return self._simple_select_one(
table="groups",
keyvalues={
"group_id": group_id,
},
retcols=("name", "short_description", "long_description", "avatar_url",),
allow_none=True,
desc="is_user_in_group",
)
def get_users_in_group(self, group_id, include_private=False):
# TODO: Pagination
keyvalues = {
"group_id": group_id,
}
if not include_private:
keyvalues["is_public"] = True
return self._simple_select_list(
table="group_users",
keyvalues=keyvalues,
retcols=("user_id", "is_public",),
desc="get_users_in_group",
)
def get_rooms_in_group(self, group_id, include_private=False):
# TODO: Pagination
keyvalues = {
"group_id": group_id,
}
if not include_private:
keyvalues["is_public"] = True
return self._simple_select_list(
table="group_rooms",
keyvalues=keyvalues,
retcols=("room_id", "is_public",),
desc="get_rooms_in_group",
)
def get_rooms_for_summary_by_category(self, group_id, include_private=False):
"""Get the rooms and categories that should be included in a summary request
Returns ([rooms], [categories])
"""
def _get_rooms_for_summary_txn(txn):
keyvalues = {
"group_id": group_id,
}
if not include_private:
keyvalues["is_public"] = True
sql = """
SELECT room_id, is_public, category_id, room_order
FROM group_summary_rooms
WHERE group_id = ?
"""
if not include_private:
sql += " AND is_public = ?"
txn.execute(sql, (group_id, True))
else:
txn.execute(sql, (group_id,))
rooms = [
{
"room_id": row[0],
"is_public": row[1],
"category_id": row[2] if row[2] != _DEFAULT_CATEGORY_ID else None,
"order": row[3],
}
for row in txn
]
sql = """
SELECT category_id, is_public, profile, cat_order
FROM group_summary_room_categories
INNER JOIN group_room_categories USING (group_id, category_id)
WHERE group_id = ?
"""
if not include_private:
sql += " AND is_public = ?"
txn.execute(sql, (group_id, True))
else:
txn.execute(sql, (group_id,))
categories = {
row[0]: {
"is_public": row[1],
"profile": json.loads(row[2]),
"order": row[3],
}
for row in txn
}
return rooms, categories
return self.runInteraction(
"get_rooms_for_summary", _get_rooms_for_summary_txn
)
def add_room_to_summary(self, group_id, room_id, category_id, order, is_public):
return self.runInteraction(
"add_room_to_summary", self._add_room_to_summary_txn,
group_id, room_id, category_id, order, is_public,
)
def _add_room_to_summary_txn(self, txn, group_id, room_id, category_id, order,
is_public):
"""Add (or update) room's entry in summary.
Args:
group_id (str)
room_id (str)
category_id (str): If not None then adds the category to the end of
the summary if its not already there. [Optional]
order (int): If not None inserts the room at that position, e.g.
an order of 1 will put the room first. Otherwise, the room gets
added to the end.
"""
room_in_group = self._simple_select_one_onecol_txn(
txn,
table="group_rooms",
keyvalues={
"group_id": group_id,
"room_id": room_id,
},
retcol="room_id",
allow_none=True,
)
if not room_in_group:
raise SynapseError(400, "room not in group")
if category_id is None:
category_id = _DEFAULT_CATEGORY_ID
else:
cat_exists = self._simple_select_one_onecol_txn(
txn,
table="group_room_categories",
keyvalues={
"group_id": group_id,
"category_id": category_id,
},
retcol="group_id",
allow_none=True,
)
if not cat_exists:
raise SynapseError(400, "Category doesn't exist")
# TODO: Check category is part of summary already
cat_exists = self._simple_select_one_onecol_txn(
txn,
table="group_summary_room_categories",
keyvalues={
"group_id": group_id,
"category_id": category_id,
},
retcol="group_id",
allow_none=True,
)
if not cat_exists:
# If not, add it with an order larger than all others
txn.execute("""
INSERT INTO group_summary_room_categories
(group_id, category_id, cat_order)
SELECT ?, ?, COALESCE(MAX(cat_order), 0) + 1
FROM group_summary_room_categories
WHERE group_id = ? AND category_id = ?
""", (group_id, category_id, group_id, category_id))
existing = self._simple_select_one_txn(
txn,
table="group_summary_rooms",
keyvalues={
"group_id": group_id,
"room_id": room_id,
"category_id": category_id,
},
retcols=("room_order", "is_public",),
allow_none=True,
)
if order is not None:
# Shuffle other room orders that come after the given order
sql = """
UPDATE group_summary_rooms SET room_order = room_order + 1
WHERE group_id = ? AND category_id = ? AND room_order >= ?
"""
txn.execute(sql, (group_id, category_id, order,))
elif not existing:
sql = """
SELECT COALESCE(MAX(room_order), 0) + 1 FROM group_summary_rooms
WHERE group_id = ? AND category_id = ?
"""
txn.execute(sql, (group_id, category_id,))
order, = txn.fetchone()
if existing:
to_update = {}
if order is not None:
to_update["room_order"] = order
if is_public is not None:
to_update["is_public"] = is_public
self._simple_update_txn(
txn,
table="group_summary_rooms",
keyvalues={
"group_id": group_id,
"category_id": category_id,
"room_id": room_id,
},
values=to_update,
)
else:
if is_public is None:
is_public = True
self._simple_insert_txn(
txn,
table="group_summary_rooms",
values={
"group_id": group_id,
"category_id": category_id,
"room_id": room_id,
"room_order": order,
"is_public": is_public,
},
)
def remove_room_from_summary(self, group_id, room_id, category_id):
if category_id is None:
category_id = _DEFAULT_CATEGORY_ID
return self._simple_delete(
table="group_summary_rooms",
keyvalues={
"group_id": group_id,
"category_id": category_id,
"room_id": room_id,
},
desc="remove_room_from_summary",
)
@defer.inlineCallbacks
def get_group_categories(self, group_id):
rows = yield self._simple_select_list(
table="group_room_categories",
keyvalues={
"group_id": group_id,
},
retcols=("category_id", "is_public", "profile"),
desc="get_group_categories",
)
defer.returnValue({
row["category_id"]: {
"is_public": row["is_public"],
"profile": json.loads(row["profile"]),
}
for row in rows
})
@defer.inlineCallbacks
def get_group_category(self, group_id, category_id):
category = yield self._simple_select_one(
table="group_room_categories",
keyvalues={
"group_id": group_id,
"category_id": category_id,
},
retcols=("is_public", "profile"),
desc="get_group_category",
)
category["profile"] = json.loads(category["profile"])
defer.returnValue(category)
def upsert_group_category(self, group_id, category_id, profile, is_public):
"""Add/update room category for group
"""
insertion_values = {}
update_values = {"category_id": category_id} # This cannot be empty
if profile is None:
insertion_values["profile"] = "{}"
else:
update_values["profile"] = json.dumps(profile)
if is_public is None:
insertion_values["is_public"] = True
else:
update_values["is_public"] = is_public
return self._simple_upsert(
table="group_room_categories",
keyvalues={
"group_id": group_id,
"category_id": category_id,
},
values=update_values,
insertion_values=insertion_values,
desc="upsert_group_category",
)
def remove_group_category(self, group_id, category_id):
return self._simple_delete(
table="group_room_categories",
keyvalues={
"group_id": group_id,
"category_id": category_id,
},
desc="remove_group_category",
)
@defer.inlineCallbacks
def get_group_roles(self, group_id):
rows = yield self._simple_select_list(
table="group_roles",
keyvalues={
"group_id": group_id,
},
retcols=("role_id", "is_public", "profile"),
desc="get_group_roles",
)
defer.returnValue({
row["role_id"]: {
"is_public": row["is_public"],
"profile": json.loads(row["profile"]),
}
for row in rows
})
@defer.inlineCallbacks
def get_group_role(self, group_id, role_id):
role = yield self._simple_select_one(
table="group_roles",
keyvalues={
"group_id": group_id,
"role_id": role_id,
},
retcols=("is_public", "profile"),
desc="get_group_role",
)
role["profile"] = json.loads(role["profile"])
defer.returnValue(role)
def upsert_group_role(self, group_id, role_id, profile, is_public):
"""Add/remove user role
"""
insertion_values = {}
update_values = {"role_id": role_id} # This cannot be empty
if profile is None:
insertion_values["profile"] = "{}"
else:
update_values["profile"] = json.dumps(profile)
if is_public is None:
insertion_values["is_public"] = True
else:
update_values["is_public"] = is_public
return self._simple_upsert(
table="group_roles",
keyvalues={
"group_id": group_id,
"role_id": role_id,
},
values=update_values,
insertion_values=insertion_values,
desc="upsert_group_role",
)
def remove_group_role(self, group_id, role_id):
return self._simple_delete(
table="group_roles",
keyvalues={
"group_id": group_id,
"role_id": role_id,
},
desc="remove_group_role",
)
def add_user_to_summary(self, group_id, user_id, role_id, order, is_public):
return self.runInteraction(
"add_user_to_summary", self._add_user_to_summary_txn,
group_id, user_id, role_id, order, is_public,
)
def _add_user_to_summary_txn(self, txn, group_id, user_id, role_id, order,
is_public):
"""Add (or update) user's entry in summary.
Args:
group_id (str)
user_id (str)
role_id (str): If not None then adds the role to the end of
the summary if its not already there. [Optional]
order (int): If not None inserts the user at that position, e.g.
an order of 1 will put the user first. Otherwise, the user gets
added to the end.
"""
user_in_group = self._simple_select_one_onecol_txn(
txn,
table="group_users",
keyvalues={
"group_id": group_id,
"user_id": user_id,
},
retcol="user_id",
allow_none=True,
)
if not user_in_group:
raise SynapseError(400, "user not in group")
if role_id is None:
role_id = _DEFAULT_ROLE_ID
else:
role_exists = self._simple_select_one_onecol_txn(
txn,
table="group_roles",
keyvalues={
"group_id": group_id,
"role_id": role_id,
},
retcol="group_id",
allow_none=True,
)
if not role_exists:
raise SynapseError(400, "Role doesn't exist")
# TODO: Check role is part of the summary already
role_exists = self._simple_select_one_onecol_txn(
txn,
table="group_summary_roles",
keyvalues={
"group_id": group_id,
"role_id": role_id,
},
retcol="group_id",
allow_none=True,
)
if not role_exists:
# If not, add it with an order larger than all others
txn.execute("""
INSERT INTO group_summary_roles
(group_id, role_id, role_order)
SELECT ?, ?, COALESCE(MAX(role_order), 0) + 1
FROM group_summary_roles
WHERE group_id = ? AND role_id = ?
""", (group_id, role_id, group_id, role_id))
existing = self._simple_select_one_txn(
txn,
table="group_summary_users",
keyvalues={
"group_id": group_id,
"user_id": user_id,
"role_id": role_id,
},
retcols=("user_order", "is_public",),
allow_none=True,
)
if order is not None:
# Shuffle other users orders that come after the given order
sql = """
UPDATE group_summary_users SET user_order = user_order + 1
WHERE group_id = ? AND role_id = ? AND user_order >= ?
"""
txn.execute(sql, (group_id, role_id, order,))
elif not existing:
sql = """
SELECT COALESCE(MAX(user_order), 0) + 1 FROM group_summary_users
WHERE group_id = ? AND role_id = ?
"""
txn.execute(sql, (group_id, role_id,))
order, = txn.fetchone()
if existing:
to_update = {}
if order is not None:
to_update["user_order"] = order
if is_public is not None:
to_update["is_public"] = is_public
self._simple_update_txn(
txn,
table="group_summary_users",
keyvalues={
"group_id": group_id,
"role_id": role_id,
"user_id": user_id,
},
values=to_update,
)
else:
if is_public is None:
is_public = True
self._simple_insert_txn(
txn,
table="group_summary_users",
values={
"group_id": group_id,
"role_id": role_id,
"user_id": user_id,
"user_order": order,
"is_public": is_public,
},
)
def remove_user_from_summary(self, group_id, user_id, role_id):
if role_id is None:
role_id = _DEFAULT_ROLE_ID
return self._simple_delete(
table="group_summary_users",
keyvalues={
"group_id": group_id,
"role_id": role_id,
"user_id": user_id,
},
desc="remove_user_from_summary",
)
def get_users_for_summary_by_role(self, group_id, include_private=False):
"""Get the users and roles that should be included in a summary request
Returns ([users], [roles])
"""
def _get_users_for_summary_txn(txn):
keyvalues = {
"group_id": group_id,
}
if not include_private:
keyvalues["is_public"] = True
sql = """
SELECT user_id, is_public, role_id, user_order
FROM group_summary_users
WHERE group_id = ?
"""
if not include_private:
sql += " AND is_public = ?"
txn.execute(sql, (group_id, True))
else:
txn.execute(sql, (group_id,))
users = [
{
"user_id": row[0],
"is_public": row[1],
"role_id": row[2] if row[2] != _DEFAULT_ROLE_ID else None,
"order": row[3],
}
for row in txn
]
sql = """
SELECT role_id, is_public, profile, role_order
FROM group_summary_roles
INNER JOIN group_roles USING (group_id, role_id)
WHERE group_id = ?
"""
if not include_private:
sql += " AND is_public = ?"
txn.execute(sql, (group_id, True))
else:
txn.execute(sql, (group_id,))
roles = {
row[0]: {
"is_public": row[1],
"profile": json.loads(row[2]),
"order": row[3],
}
for row in txn
}
return users, roles
return self.runInteraction(
"get_users_for_summary_by_role", _get_users_for_summary_txn
)
def is_user_in_group(self, user_id, group_id):
return self._simple_select_one_onecol(
table="group_users",
keyvalues={
"group_id": group_id,
"user_id": user_id,
},
retcol="user_id",
allow_none=True,
desc="is_user_in_group",
).addCallback(lambda r: bool(r))
def is_user_admin_in_group(self, group_id, user_id):
return self._simple_select_one_onecol(
table="group_users",
keyvalues={
"group_id": group_id,
"user_id": user_id,
},
retcol="is_admin",
allow_none=True,
desc="is_user_admin_in_group",
)
def add_group_invite(self, group_id, user_id):
"""Record that the group server has invited a user
"""
return self._simple_insert(
table="group_invites",
values={
"group_id": group_id,
"user_id": user_id,
},
desc="add_group_invite",
)
def is_user_invited_to_local_group(self, group_id, user_id):
"""Has the group server invited a user?
"""
return self._simple_select_one_onecol(
table="group_invites",
keyvalues={
"group_id": group_id,
"user_id": user_id,
},
retcol="user_id",
desc="is_user_invited_to_local_group",
allow_none=True,
)
def get_users_membership_info_in_group(self, group_id, user_id):
"""Get a dict describing the membership of a user in a group.
Example if joined:
{
"membership": "join",
"is_public": True,
"is_privileged": False,
}
Returns an empty dict if the user is not join/invite/etc
"""
def _get_users_membership_in_group_txn(txn):
row = self._simple_select_one_txn(
txn,
table="group_users",
keyvalues={
"group_id": group_id,
"user_id": user_id,
},
retcols=("is_admin", "is_public"),
allow_none=True,
)
if row:
return {
"membership": "join",
"is_public": row["is_public"],
"is_privileged": row["is_admin"],
}
row = self._simple_select_one_onecol_txn(
txn,
table="group_invites",
keyvalues={
"group_id": group_id,
"user_id": user_id,
},
retcol="user_id",
allow_none=True,
)
if row:
return {
"membership": "invite",
}
return {}
return self.runInteraction(
"get_users_membership_info_in_group", _get_users_membership_in_group_txn,
)
def add_user_to_group(self, group_id, user_id, is_admin=False, is_public=True,
local_attestation=None, remote_attestation=None):
"""Add a user to the group server.
Args:
group_id (str)
user_id (str)
is_admin (bool)
is_public (bool)
local_attestation (dict): The attestation the GS created to give
to the remote server. Optional if the user and group are on the
same server
remote_attestation (dict): The attestation given to GS by remote
server. Optional if the user and group are on the same server
"""
def _add_user_to_group_txn(txn):
self._simple_insert_txn(
txn,
table="group_users",
values={
"group_id": group_id,
"user_id": user_id,
"is_admin": is_admin,
"is_public": is_public,
},
)
self._simple_delete_txn(
txn,
table="group_invites",
keyvalues={
"group_id": group_id,
"user_id": user_id,
},
)
if local_attestation:
self._simple_insert_txn(
txn,
table="group_attestations_renewals",
values={
"group_id": group_id,
"user_id": user_id,
"valid_until_ms": local_attestation["valid_until_ms"],
},
)
if remote_attestation:
self._simple_insert_txn(
txn,
table="group_attestations_remote",
values={
"group_id": group_id,
"user_id": user_id,
"valid_until_ms": remote_attestation["valid_until_ms"],
"attestation_json": json.dumps(remote_attestation),
},
)
return self.runInteraction(
"add_user_to_group", _add_user_to_group_txn
)
def remove_user_from_group(self, group_id, user_id):
def _remove_user_from_group_txn(txn):
self._simple_delete_txn(
txn,
table="group_users",
keyvalues={
"group_id": group_id,
"user_id": user_id,
},
)
self._simple_delete_txn(
txn,
table="group_invites",
keyvalues={
"group_id": group_id,
"user_id": user_id,
},
)
self._simple_delete_txn(
txn,
table="group_attestations_renewals",
keyvalues={
"group_id": group_id,
"user_id": user_id,
},
)
self._simple_delete_txn(
txn,
table="group_attestations_remote",
keyvalues={
"group_id": group_id,
"user_id": user_id,
},
)
return self.runInteraction("remove_user_from_group", _remove_user_from_group_txn)
def add_room_to_group(self, group_id, room_id, is_public):
return self._simple_insert(
table="group_rooms",
values={
"group_id": group_id,
"room_id": room_id,
"is_public": is_public,
},
desc="add_room_to_group",
)
@defer.inlineCallbacks
def register_user_group_membership(self, group_id, user_id, membership,
is_admin=False, content={},
local_attestation=None,
remote_attestation=None,
):
"""Registers that a local user is a member of a (local or remote) group.
Args:
group_id (str)
user_id (str)
membership (str)
is_admin (bool)
content (dict): Content of the membership, e.g. includes the inviter
if the user has been invited.
local_attestation (dict): If remote group then store the fact that we
have given out an attestation, else None.
remote_attestation (dict): If remote group then store the remote
attestation from the group, else None.
"""
def _register_user_group_membership_txn(txn, next_id):
# TODO: Upsert?
self._simple_delete_txn(
txn,
table="local_group_membership",
keyvalues={
"group_id": group_id,
"user_id": user_id,
},
)
self._simple_insert_txn(
txn,
table="local_group_membership",
values={
"group_id": group_id,
"user_id": user_id,
"is_admin": is_admin,
"membership": membership,
"content": json.dumps(content),
},
)
self._simple_insert_txn(
txn,
table="local_group_updates",
values={
"stream_id": next_id,
"group_id": group_id,
"user_id": user_id,
"type": "membership",
"content": json.dumps({"membership": membership, "content": content}),
}
)
self._group_updates_stream_cache.entity_has_changed(user_id, next_id)
# TODO: Insert profile to ensure it comes down stream if its a join.
if membership == "join":
if local_attestation:
self._simple_insert_txn(
txn,
table="group_attestations_renewals",
values={
"group_id": group_id,
"user_id": user_id,
"valid_until_ms": local_attestation["valid_until_ms"],
}
)
if remote_attestation:
self._simple_insert_txn(
txn,
table="group_attestations_remote",
values={
"group_id": group_id,
"user_id": user_id,
"valid_until_ms": remote_attestation["valid_until_ms"],
"attestation_json": json.dumps(remote_attestation),
}
)
else:
self._simple_delete_txn(
txn,
table="group_attestations_renewals",
keyvalues={
"group_id": group_id,
"user_id": user_id,
},
)
self._simple_delete_txn(
txn,
table="group_attestations_remote",
keyvalues={
"group_id": group_id,
"user_id": user_id,
},
)
return next_id
with self._group_updates_id_gen.get_next() as next_id:
yield self.runInteraction(
"register_user_group_membership",
_register_user_group_membership_txn, next_id,
)
@defer.inlineCallbacks
def create_group(self, group_id, user_id, name, avatar_url, short_description,
long_description,):
yield self._simple_insert(
table="groups",
values={
"group_id": group_id,
"name": name,
"avatar_url": avatar_url,
"short_description": short_description,
"long_description": long_description,
},
desc="create_group",
)
@defer.inlineCallbacks
def update_group_profile(self, group_id, profile,):
yield self._simple_update_one(
table="groups",
keyvalues={
"group_id": group_id,
},
updatevalues=profile,
desc="update_group_profile",
)
def get_attestations_need_renewals(self, valid_until_ms):
"""Get all attestations that need to be renewed until givent time
"""
def _get_attestations_need_renewals_txn(txn):
sql = """
SELECT group_id, user_id FROM group_attestations_renewals
WHERE valid_until_ms <= ?
"""
txn.execute(sql, (valid_until_ms,))
return self.cursor_to_dict(txn)
return self.runInteraction(
"get_attestations_need_renewals", _get_attestations_need_renewals_txn
)
def update_attestation_renewal(self, group_id, user_id, attestation):
"""Update an attestation that we have renewed
"""
return self._simple_update_one(
table="group_attestations_renewals",
keyvalues={
"group_id": group_id,
"user_id": user_id,
},
updatevalues={
"valid_until_ms": attestation["valid_until_ms"],
},
desc="update_attestation_renewal",
)
def update_remote_attestion(self, group_id, user_id, attestation):
"""Update an attestation that a remote has renewed
"""
return self._simple_update_one(
table="group_attestations_remote",
keyvalues={
"group_id": group_id,
"user_id": user_id,
},
updatevalues={
"valid_until_ms": attestation["valid_until_ms"],
"attestation_json": json.dumps(attestation)
},
desc="update_remote_attestion",
)
@defer.inlineCallbacks
def get_remote_attestation(self, group_id, user_id):
"""Get the attestation that proves the remote agrees that the user is
in the group.
"""
row = yield self._simple_select_one(
table="group_attestations_remote",
keyvalues={
"group_id": group_id,
"user_id": user_id,
},
retcols=("valid_until_ms", "attestation_json"),
desc="get_remote_attestation",
allow_none=True,
)
now = int(self._clock.time_msec())
if row and now < row["valid_until_ms"]:
defer.returnValue(json.loads(row["attestation_json"]))
defer.returnValue(None)
def get_joined_groups(self, user_id):
return self._simple_select_onecol(
table="local_group_membership",
keyvalues={
"user_id": user_id,
"membership": "join",
},
retcol="group_id",
desc="get_joined_groups",
)
def get_all_groups_for_user(self, user_id, now_token):
def _get_all_groups_for_user_txn(txn):
sql = """
SELECT group_id, type, membership, u.content
FROM local_group_updates AS u
INNER JOIN local_group_membership USING (group_id, user_id)
WHERE user_id = ? AND membership != 'leave'
AND stream_id <= ?
"""
txn.execute(sql, (user_id, now_token,))
return self.cursor_to_dict(txn)
return self.runInteraction(
"get_all_groups_for_user", _get_all_groups_for_user_txn,
)
def get_groups_changes_for_user(self, user_id, from_token, to_token):
from_token = int(from_token)
has_changed = self._group_updates_stream_cache.has_entity_changed(
user_id, from_token,
)
if not has_changed:
return []
def _get_groups_changes_for_user_txn(txn):
sql = """
SELECT group_id, membership, type, u.content
FROM local_group_updates AS u
INNER JOIN local_group_membership USING (group_id, user_id)
WHERE user_id = ? AND ? < stream_id AND stream_id <= ?
"""
txn.execute(sql, (user_id, from_token, to_token,))
return [{
"group_id": group_id,
"membership": membership,
"type": gtype,
"content": json.loads(content_json),
} for group_id, membership, gtype, content_json in txn]
return self.runInteraction(
"get_groups_changes_for_user", _get_groups_changes_for_user_txn,
)
def get_all_groups_changes(self, from_token, to_token, limit):
from_token = int(from_token)
has_changed = self._group_updates_stream_cache.has_any_entity_changed(
from_token,
)
if not has_changed:
return []
def _get_all_groups_changes_txn(txn):
sql = """
SELECT stream_id, group_id, user_id, type, content
FROM local_group_updates
WHERE ? < stream_id AND stream_id <= ?
LIMIT ?
"""
txn.execute(sql, (from_token, to_token, limit,))
return txn.fetchall()
return self.runInteraction(
"get_all_groups_changes", _get_all_groups_changes_txn,
)
def get_group_stream_token(self):
return self._group_updates_id_gen.get_current_token()