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# Copyright 2016 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.
import logging
from synapse.config.appservice import load_appservices
logger = logging.getLogger(__name__)
def run_create(cur, database_engine, *args, **kwargs):
# NULL indicates user was not registered by an appservice.
try:
cur.execute("ALTER TABLE users ADD COLUMN appservice_id TEXT")
except Exception:
# Maybe we already added the column? Hope so...
pass
def run_upgrade(cur, database_engine, config, *args, **kwargs):
cur.execute("SELECT name FROM users")
rows = cur.fetchall()
config_files = []
try:
config_files = config.app_service_config_files
except AttributeError:
logger.warning("Could not get app_service_config_files from config")
pass
appservices = load_appservices(
config.server_name, config_files
)
owned = {}
for row in rows:
user_id = row[0]
for appservice in appservices:
if appservice.is_exclusive_user(user_id):
if user_id in owned.keys():
logger.error(
"user_id %s was owned by more than one application"
" service (IDs %s and %s); assigning arbitrarily to %s" %
(user_id, owned[user_id], appservice.id, owned[user_id])
)
owned.setdefault(appservice.id, []).append(user_id)
for as_id, user_ids in owned.items():
n = 100
user_chunks = (user_ids[i:i + 100] for i in xrange(0, len(user_ids), n))
for chunk in user_chunks:
cur.execute(
database_engine.convert_param_style(
"UPDATE users SET appservice_id = ? WHERE name IN (%s)" % (
",".join("?" for _ in chunk),
)
),
[as_id] + chunk
)
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