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Add support for changing the actions for default rules

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See matrix-org/matrix-doc#283

Works by adding dummy rules to the push rules table with a negative priority class and then using those rules to clobber the default rule actions when adding the default rules in ``list_with_base_rules``
This commit is contained in:
Mark Haines 2016-02-26 14:28:19 +00:00 • committed by review.rocks
parent 9329cd5f13
commit de27f7fc79
3 changed files with 102 additions and 11 deletions
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57
synapse/push/baserules.py
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@ -13,46 +13,67 @@
# limitations under the License.
from synapse.push.rulekinds import PRIORITY_CLASS_MAP, PRIORITY_CLASS_INVERSE_MAP
import copy
def list_with_base_rules(rawrules):
"""Combine the list of rules set by the user with the default push rules
:param list rawrules: The rules the user has modified or set.
:returns: A new list with the rules set by the user combined with the
defaults.
"""
ruleslist = []
# Grab the base rules that the user has modified.
# The modified base rules have a priority_class of -1.
modified_base_rules = {
r['rule_id']: r for r in rawrules if r['priority_class'] < 0
}
# Remove the modified base rules from the list, They'll be added back
# in the default postions in the list.
rawrules = [r for r in rawrules if r['priority_class'] >= 0]
# shove the server default rules for each kind onto the end of each
current_prio_class = PRIORITY_CLASS_INVERSE_MAP.keys()[-1]
ruleslist.extend(make_base_prepend_rules(
PRIORITY_CLASS_INVERSE_MAP[current_prio_class]
PRIORITY_CLASS_INVERSE_MAP[current_prio_class], modified_base_rules
))
for r in rawrules:
if r['priority_class'] < current_prio_class:
while r['priority_class'] < current_prio_class:
ruleslist.extend(make_base_append_rules(
PRIORITY_CLASS_INVERSE_MAP[current_prio_class]
PRIORITY_CLASS_INVERSE_MAP[current_prio_class],
modified_base_rules,
))
current_prio_class -= 1
if current_prio_class > 0:
ruleslist.extend(make_base_prepend_rules(
PRIORITY_CLASS_INVERSE_MAP[current_prio_class]
PRIORITY_CLASS_INVERSE_MAP[current_prio_class],
modified_base_rules,
))
ruleslist.append(r)
while current_prio_class > 0:
ruleslist.extend(make_base_append_rules(
PRIORITY_CLASS_INVERSE_MAP[current_prio_class]
PRIORITY_CLASS_INVERSE_MAP[current_prio_class],
modified_base_rules,
))
current_prio_class -= 1
if current_prio_class > 0:
ruleslist.extend(make_base_prepend_rules(
PRIORITY_CLASS_INVERSE_MAP[current_prio_class]
PRIORITY_CLASS_INVERSE_MAP[current_prio_class],
modified_base_rules,
))
return ruleslist
def make_base_append_rules(kind):
def make_base_append_rules(kind, modified_base_rules):
rules = []
if kind == 'override':
@ -62,15 +83,31 @@ def make_base_append_rules(kind):
elif kind == 'content':
rules = BASE_APPEND_CONTENT_RULES
# Copy the rules before modifying them
rules = copy.deepcopy(rules)
for r in rules:
# Only modify the actions, keep the conditions the same.
modified = modified_base_rules.get(r['rule_id'])
if modified:
r['actions'] = modified['actions']
return rules
def make_base_prepend_rules(kind):
def make_base_prepend_rules(kind, modified_base_rules):
rules = []
if kind == 'override':
rules = BASE_PREPEND_OVERRIDE_RULES
# Copy the rules before modifying them
rules = copy.deepcopy(rules)
for r in rules:
# Only modify the actions, keep the conditions the same.
modified = modified_base_rules.get(r['rule_id'])
if modified:
r['actions'] = modified['actions']
return rules
@ -263,18 +300,24 @@ BASE_APPEND_UNDERRIDE_RULES = [
]
BASE_RULE_IDS = set()
for r in BASE_APPEND_CONTENT_RULES:
r['priority_class'] = PRIORITY_CLASS_MAP['content']
r['default'] = True
BASE_RULE_IDS.add(r['rule_id'])
for r in BASE_PREPEND_OVERRIDE_RULES:
r['priority_class'] = PRIORITY_CLASS_MAP['override']
r['default'] = True
BASE_RULE_IDS.add(r['rule_id'])
for r in BASE_APPEND_OVRRIDE_RULES:
r['priority_class'] = PRIORITY_CLASS_MAP['override']
r['default'] = True
BASE_RULE_IDS.add(r['rule_id'])
for r in BASE_APPEND_UNDERRIDE_RULES:
r['priority_class'] = PRIORITY_CLASS_MAP['underride']
r['default'] = True
BASE_RULE_IDS.add(r['rule_id'])