mirror of
https://git.anonymousland.org/anonymousland/synapse-product.git
synced 2024-10-01 08:25:44 -04:00
Make adding push rules idempotent
Also remove the **kwargs from the add_push_rule method. Fixes https://matrix.org/jira/browse/SYN-391
This commit is contained in:
Mark Haines
review.rocks
parent
a182e5d721
commit
a9c9868957
@ -99,38 +99,36 @@ class PushRuleStore(SQLBaseStore):
|
||||
results.setdefault(row['user_name'], {})[row['rule_id']] = row['enabled']
|
||||
defer.returnValue(results)
|
||||
|
||||
@defer.inlineCallbacks
|
||||
def add_push_rule(self, before, after, **kwargs):
|
||||
vals = kwargs
|
||||
if 'conditions' in vals:
|
||||
vals['conditions'] = json.dumps(vals['conditions'])
|
||||
if 'actions' in vals:
|
||||
vals['actions'] = json.dumps(vals['actions'])
|
||||
|
||||
# we could check the rest of the keys are valid column names
|
||||
# but sqlite will do that anyway so I think it's just pointless.
|
||||
vals.pop("id", None)
|
||||
def add_push_rule(
|
||||
self, user_id, rule_id, priority_class, conditions, actions,
|
||||
before=None, after=None
|
||||
):
|
||||
conditions_json = json.dumps(conditions)
|
||||
actions_json = json.dumps(actions)
|
||||
|
||||
if before or after:
|
||||
ret = yield self.runInteraction(
|
||||
return self.runInteraction(
|
||||
"_add_push_rule_relative_txn",
|
||||
self._add_push_rule_relative_txn,
|
||||
before=before,
|
||||
after=after,
|
||||
**vals
|
||||
user_id, rule_id, priority_class,
|
||||
conditions_json, actions_json, before, after,
|
||||
)
|
||||
defer.returnValue(ret)
|
||||
else:
|
||||
ret = yield self.runInteraction(
|
||||
return self.runInteraction(
|
||||
"_add_push_rule_highest_priority_txn",
|
||||
self._add_push_rule_highest_priority_txn,
|
||||
**vals
|
||||
user_id, rule_id, priority_class,
|
||||
conditions_json, actions_json,
|
||||
)
|
||||
defer.returnValue(ret)
|
||||
|
||||
def _add_push_rule_relative_txn(self, txn, user_id, **kwargs):
|
||||
after = kwargs.pop("after", None)
|
||||
before = kwargs.pop("before", None)
|
||||
def _add_push_rule_relative_txn(
|
||||
self, txn, user_id, rule_id, priority_class,
|
||||
conditions_json, actions_json, before, after
|
||||
):
|
||||
# Lock the table since otherwise we'll have annoying races between the
|
||||
# SELECT here and the UPSERT below.
|
||||
self.database_engine.lock_table(txn, "push_rules")
|
||||
|
||||
relative_to_rule = before or after
|
||||
|
||||
res = self._simple_select_one_txn(
|
||||
@ -149,69 +147,45 @@ class PushRuleStore(SQLBaseStore):
|
||||
"before/after rule not found: %s" % (relative_to_rule,)
|
||||
)
|
||||
|
||||
priority_class = res["priority_class"]
|
||||
base_priority_class = res["priority_class"]
|
||||
base_rule_priority = res["priority"]
|
||||
|
||||
if 'priority_class' in kwargs and kwargs['priority_class'] != priority_class:
|
||||
if base_priority_class != priority_class:
|
||||
raise InconsistentRuleException(
|
||||
"Given priority class does not match class of relative rule"
|
||||
)
|
||||
|
||||
new_rule = kwargs
|
||||
new_rule.pop("before", None)
|
||||
new_rule.pop("after", None)
|
||||
new_rule['priority_class'] = priority_class
|
||||
new_rule['user_name'] = user_id
|
||||
new_rule['id'] = self._push_rule_id_gen.get_next_txn(txn)
|
||||
|
||||
# check if the priority before/after is free
|
||||
new_rule_priority = base_rule_priority
|
||||
if after:
|
||||
new_rule_priority -= 1
|
||||
if before:
|
||||
# Higher priority rules are executed first, So adding a rule before
|
||||
# a rule means giving it a higher priority than that rule.
|
||||
new_rule_priority = base_rule_priority + 1
|
||||
else:
|
||||
new_rule_priority += 1
|
||||
|
||||
new_rule['priority'] = new_rule_priority
|
||||
# We increment the priority of the existing rules to make space for
|
||||
# the new rule. Therefore if we want this rule to appear after
|
||||
# an existing rule we give it the priority of the existing rule,
|
||||
# and then increment the priority of the existing rule.
|
||||
new_rule_priority = base_rule_priority
|
||||
|
||||
sql = (
|
||||
"SELECT COUNT(*) FROM push_rules"
|
||||
" WHERE user_name = ? AND priority_class = ? AND priority = ?"
|
||||
"UPDATE push_rules SET priority = priority + 1"
|
||||
" WHERE user_name = ? AND priority_class = ? AND priority >= ?"
|
||||
)
|
||||
|
||||
txn.execute(sql, (user_id, priority_class, new_rule_priority))
|
||||
res = txn.fetchall()
|
||||
num_conflicting = res[0][0]
|
||||
|
||||
# if there are conflicting rules, bump everything
|
||||
if num_conflicting:
|
||||
sql = "UPDATE push_rules SET priority = priority "
|
||||
if after:
|
||||
sql += "-1"
|
||||
else:
|
||||
sql += "+1"
|
||||
sql += " WHERE user_name = ? AND priority_class = ? AND priority "
|
||||
if after:
|
||||
sql += "<= ?"
|
||||
else:
|
||||
sql += ">= ?"
|
||||
|
||||
txn.execute(sql, (user_id, priority_class, new_rule_priority))
|
||||
|
||||
txn.call_after(
|
||||
self.get_push_rules_for_user.invalidate, (user_id,)
|
||||
self._upsert_push_rule_txn(
|
||||
txn, user_id, rule_id, priority_class, new_rule_priority,
|
||||
conditions_json, actions_json,
|
||||
)
|
||||
|
||||
txn.call_after(
|
||||
self.get_push_rules_enabled_for_user.invalidate, (user_id,)
|
||||
)
|
||||
def _add_push_rule_highest_priority_txn(
|
||||
self, txn, user_id, rule_id, priority_class,
|
||||
conditions_json, actions_json
|
||||
):
|
||||
# Lock the table since otherwise we'll have annoying races between the
|
||||
# SELECT here and the UPSERT below.
|
||||
self.database_engine.lock_table(txn, "push_rules")
|
||||
|
||||
self._simple_insert_txn(
|
||||
txn,
|
||||
table="push_rules",
|
||||
values=new_rule,
|
||||
)
|
||||
|
||||
def _add_push_rule_highest_priority_txn(self, txn, user_id,
|
||||
priority_class, **kwargs):
|
||||
# find the highest priority rule in that class
|
||||
sql = (
|
||||
"SELECT COUNT(*), MAX(priority) FROM push_rules"
|
||||
@ -225,12 +199,48 @@ class PushRuleStore(SQLBaseStore):
|
||||
if how_many > 0:
|
||||
new_prio = highest_prio + 1
|
||||
|
||||
# and insert the new rule
|
||||
new_rule = kwargs
|
||||
new_rule['id'] = self._push_rule_id_gen.get_next_txn(txn)
|
||||
new_rule['user_name'] = user_id
|
||||
new_rule['priority_class'] = priority_class
|
||||
new_rule['priority'] = new_prio
|
||||
self._upsert_push_rule_txn(
|
||||
txn,
|
||||
user_id, rule_id, priority_class, new_prio,
|
||||
conditions_json, actions_json,
|
||||
)
|
||||
|
||||
def _upsert_push_rule_txn(
|
||||
self, txn, user_id, rule_id, priority_class,
|
||||
priority, conditions_json, actions_json
|
||||
):
|
||||
"""Specialised version of _simple_upsert_txn that picks a push_rule_id
|
||||
using the _push_rule_id_gen if it needs to insert the rule. It assumes
|
||||
that the "push_rules" table is locked"""
|
||||
|
||||
sql = (
|
||||
"UPDATE push_rules"
|
||||
" SET priority_class = ?, priority = ?, conditions = ?, actions = ?"
|
||||
" WHERE user_name = ? AND rule_id = ?"
|
||||
)
|
||||
|
||||
txn.execute(sql, (
|
||||
priority_class, priority, conditions_json, actions_json,
|
||||
user_id, rule_id,
|
||||
))
|
||||
|
||||
if txn.rowcount == 0:
|
||||
# We didn't update a row with the given rule_id so insert one
|
||||
push_rule_id = self._push_rule_id_gen.get_next_txn(txn)
|
||||
|
||||
self._simple_insert_txn(
|
||||
txn,
|
||||
table="push_rules",
|
||||
values={
|
||||
"id": push_rule_id,
|
||||
"user_name": user_id,
|
||||
"rule_id": rule_id,
|
||||
"priority_class": priority_class,
|
||||
"priority": priority,
|
||||
"conditions": conditions_json,
|
||||
"actions": actions_json,
|
||||
},
|
||||
)
|
||||
|
||||
txn.call_after(
|
||||
self.get_push_rules_for_user.invalidate, (user_id,)
|
||||
@ -239,12 +249,6 @@ class PushRuleStore(SQLBaseStore):
|
||||
self.get_push_rules_enabled_for_user.invalidate, (user_id,)
|
||||
)
|
||||
|
||||
self._simple_insert_txn(
|
||||
txn,
|
||||
table="push_rules",
|
||||
values=new_rule,
|
||||
)
|
||||
|
||||
@defer.inlineCallbacks
|
||||
def delete_push_rule(self, user_id, rule_id):
|
||||
"""
|
||||
|
||||
Loading…
Reference in New Issue
Block a user