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https://git.anonymousland.org/anonymousland/synapse-product.git
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64 lines
2.0 KiB
Python
64 lines
2.0 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2015 OpenMarket Ltd
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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 ._base import SQLBaseStore
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import simplejson as json
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class FilteringStore(SQLBaseStore):
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@defer.inlineCallbacks
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def get_user_filter(self, user_localpart, filter_id):
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def_json = yield self._simple_select_one_onecol(
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table="user_filters",
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keyvalues={
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"user_id": user_localpart,
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"filter_id": filter_id,
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},
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retcol="filter_json",
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allow_none=False,
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)
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defer.returnValue(json.loads(def_json))
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def add_user_filter(self, user_localpart, user_filter):
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def_json = json.dumps(user_filter)
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# Need an atomic transaction to SELECT the maximal ID so far then
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# INSERT a new one
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def _do_txn(txn):
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sql = (
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"SELECT MAX(filter_id) FROM user_filters "
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"WHERE user_id = ?"
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)
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txn.execute(sql, (user_localpart,))
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max_id = txn.fetchone()[0]
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if max_id is None:
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filter_id = 0
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else:
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filter_id = max_id + 1
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sql = (
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"INSERT INTO user_filters (user_id, filter_id, filter_json)"
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"VALUES(?, ?, ?)"
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)
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txn.execute(sql, (user_localpart, filter_id, def_json))
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return filter_id
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return self.runInteraction("add_user_filter", _do_txn)
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