293 lines
9.4 KiB
Python
293 lines
9.4 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2014-2016 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 ._base import SQLBaseStore
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from synapse.util.caches.descriptors import cachedInlineCallbacks
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from twisted.internet import defer
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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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class PushRuleStore(SQLBaseStore):
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@cachedInlineCallbacks()
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def get_push_rules_for_user(self, user_name):
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rows = yield self._simple_select_list(
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table="push_rules",
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keyvalues={
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"user_name": user_name,
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},
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retcols=(
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"user_name", "rule_id", "priority_class", "priority",
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"conditions", "actions",
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),
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desc="get_push_rules_enabled_for_user",
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)
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rows.sort(
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key=lambda row: (-int(row["priority_class"]), -int(row["priority"]))
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)
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defer.returnValue(rows)
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@cachedInlineCallbacks()
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def get_push_rules_enabled_for_user(self, user_name):
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results = yield self._simple_select_list(
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table="push_rules_enable",
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keyvalues={
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'user_name': user_name
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},
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retcols=(
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"user_name", "rule_id", "enabled",
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),
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desc="get_push_rules_enabled_for_user",
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)
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defer.returnValue({
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r['rule_id']: False if r['enabled'] == 0 else True for r in results
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})
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@defer.inlineCallbacks
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def bulk_get_push_rules(self, user_ids):
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if not user_ids:
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defer.returnValue({})
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batch_size = 100
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def f(txn, user_ids_to_fetch):
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sql = (
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"SELECT pr.*"
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" FROM push_rules AS pr"
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" LEFT JOIN push_rules_enable AS pre"
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" ON pr.user_name = pre.user_name AND pr.rule_id = pre.rule_id"
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" WHERE pr.user_name"
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" IN (" + ",".join("?" for _ in user_ids_to_fetch) + ")"
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" AND (pre.enabled IS NULL OR pre.enabled = 1)"
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" ORDER BY pr.user_name, pr.priority_class DESC, pr.priority DESC"
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)
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txn.execute(sql, user_ids_to_fetch)
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return self.cursor_to_dict(txn)
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results = {}
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chunks = [user_ids[i:i+batch_size] for i in xrange(0, len(user_ids), batch_size)]
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for batch_user_ids in chunks:
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rows = yield self.runInteraction(
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"bulk_get_push_rules", f, batch_user_ids
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)
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for row in rows:
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results.setdefault(row['user_name'], []).append(row)
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defer.returnValue(results)
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@defer.inlineCallbacks
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def add_push_rule(self, before, after, **kwargs):
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vals = kwargs
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if 'conditions' in vals:
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vals['conditions'] = json.dumps(vals['conditions'])
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if 'actions' in vals:
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vals['actions'] = json.dumps(vals['actions'])
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# we could check the rest of the keys are valid column names
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# but sqlite will do that anyway so I think it's just pointless.
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vals.pop("id", None)
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if before or after:
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ret = yield self.runInteraction(
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"_add_push_rule_relative_txn",
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self._add_push_rule_relative_txn,
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before=before,
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after=after,
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**vals
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)
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defer.returnValue(ret)
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else:
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ret = yield self.runInteraction(
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"_add_push_rule_highest_priority_txn",
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self._add_push_rule_highest_priority_txn,
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**vals
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)
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defer.returnValue(ret)
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def _add_push_rule_relative_txn(self, txn, user_name, **kwargs):
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after = kwargs.pop("after", None)
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relative_to_rule = kwargs.pop("before", after)
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res = self._simple_select_one_txn(
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txn,
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table="push_rules",
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keyvalues={
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"user_name": user_name,
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"rule_id": relative_to_rule,
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},
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retcols=["priority_class", "priority"],
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allow_none=True,
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)
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if not res:
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raise RuleNotFoundException(
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"before/after rule not found: %s" % (relative_to_rule,)
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)
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priority_class = res["priority_class"]
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base_rule_priority = res["priority"]
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if 'priority_class' in kwargs and kwargs['priority_class'] != priority_class:
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raise InconsistentRuleException(
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"Given priority class does not match class of relative rule"
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)
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new_rule = kwargs
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new_rule.pop("before", None)
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new_rule.pop("after", None)
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new_rule['priority_class'] = priority_class
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new_rule['user_name'] = user_name
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new_rule['id'] = self._push_rule_id_gen.get_next_txn(txn)
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# check if the priority before/after is free
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new_rule_priority = base_rule_priority
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if after:
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new_rule_priority -= 1
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else:
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new_rule_priority += 1
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new_rule['priority'] = new_rule_priority
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sql = (
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"SELECT COUNT(*) FROM push_rules"
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" WHERE user_name = ? AND priority_class = ? AND priority = ?"
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)
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txn.execute(sql, (user_name, priority_class, new_rule_priority))
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res = txn.fetchall()
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num_conflicting = res[0][0]
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# if there are conflicting rules, bump everything
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if num_conflicting:
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sql = "UPDATE push_rules SET priority = priority "
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if after:
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sql += "-1"
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else:
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sql += "+1"
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sql += " WHERE user_name = ? AND priority_class = ? AND priority "
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if after:
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sql += "<= ?"
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else:
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sql += ">= ?"
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txn.execute(sql, (user_name, priority_class, new_rule_priority))
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txn.call_after(
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self.get_push_rules_for_user.invalidate, (user_name,)
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)
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txn.call_after(
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self.get_push_rules_enabled_for_user.invalidate, (user_name,)
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)
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self._simple_insert_txn(
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txn,
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table="push_rules",
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values=new_rule,
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)
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def _add_push_rule_highest_priority_txn(self, txn, user_name,
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priority_class, **kwargs):
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# find the highest priority rule in that class
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sql = (
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"SELECT COUNT(*), MAX(priority) FROM push_rules"
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" WHERE user_name = ? and priority_class = ?"
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)
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txn.execute(sql, (user_name, priority_class))
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res = txn.fetchall()
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(how_many, highest_prio) = res[0]
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new_prio = 0
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if how_many > 0:
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new_prio = highest_prio + 1
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# and insert the new rule
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new_rule = kwargs
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new_rule['id'] = self._push_rule_id_gen.get_next_txn(txn)
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new_rule['user_name'] = user_name
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new_rule['priority_class'] = priority_class
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new_rule['priority'] = new_prio
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txn.call_after(
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self.get_push_rules_for_user.invalidate, (user_name,)
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)
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txn.call_after(
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self.get_push_rules_enabled_for_user.invalidate, (user_name,)
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)
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self._simple_insert_txn(
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txn,
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table="push_rules",
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values=new_rule,
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)
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@defer.inlineCallbacks
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def delete_push_rule(self, user_name, rule_id):
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"""
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Delete a push rule. Args specify the row to be deleted and can be
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any of the columns in the push_rule table, but below are the
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standard ones
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Args:
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user_name (str): The matrix ID of the push rule owner
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rule_id (str): The rule_id of the rule to be deleted
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"""
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yield self._simple_delete_one(
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"push_rules",
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{'user_name': user_name, 'rule_id': rule_id},
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desc="delete_push_rule",
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)
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self.get_push_rules_for_user.invalidate((user_name,))
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self.get_push_rules_enabled_for_user.invalidate((user_name,))
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@defer.inlineCallbacks
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def set_push_rule_enabled(self, user_name, rule_id, enabled):
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ret = yield self.runInteraction(
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"_set_push_rule_enabled_txn",
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self._set_push_rule_enabled_txn,
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user_name, rule_id, enabled
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)
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defer.returnValue(ret)
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def _set_push_rule_enabled_txn(self, txn, user_name, rule_id, enabled):
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new_id = self._push_rules_enable_id_gen.get_next_txn(txn)
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self._simple_upsert_txn(
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txn,
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"push_rules_enable",
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{'user_name': user_name, 'rule_id': rule_id},
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{'enabled': 1 if enabled else 0},
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{'id': new_id},
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)
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txn.call_after(
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self.get_push_rules_for_user.invalidate, (user_name,)
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)
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txn.call_after(
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self.get_push_rules_enabled_for_user.invalidate, (user_name,)
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)
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class RuleNotFoundException(Exception):
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pass
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class InconsistentRuleException(Exception):
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pass
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