zulip/zerver/actions/realm_linkifiers.py

60 lines
2.2 KiB
Python

from typing import Dict, Optional
from zerver.models import (
Realm,
RealmFilter,
active_user_ids,
linkifiers_for_realm,
realm_filters_for_realm,
)
from zerver.tornado.django_api import send_event
def notify_linkifiers(realm: Realm) -> None:
realm_linkifiers = linkifiers_for_realm(realm.id)
event: Dict[str, object] = dict(type="realm_linkifiers", realm_linkifiers=realm_linkifiers)
send_event(realm, event, active_user_ids(realm.id))
# Below is code for backwards compatibility. The now deprecated
# "realm_filters" event-type is used by older clients, and uses
# tuples.
realm_filters = realm_filters_for_realm(realm.id)
event = dict(type="realm_filters", realm_filters=realm_filters)
send_event(realm, event, active_user_ids(realm.id))
# NOTE: Regexes must be simple enough that they can be easily translated to JavaScript
# RegExp syntax. In addition to JS-compatible syntax, the following features are available:
# * Named groups will be converted to numbered groups automatically
# * Inline-regex flags will be stripped, and where possible translated to RegExp-wide flags
def do_add_linkifier(realm: Realm, pattern: str, url_format_string: str) -> int:
pattern = pattern.strip()
url_format_string = url_format_string.strip()
linkifier = RealmFilter(realm=realm, pattern=pattern, url_format_string=url_format_string)
linkifier.full_clean()
linkifier.save()
notify_linkifiers(realm)
return linkifier.id
def do_remove_linkifier(
realm: Realm, pattern: Optional[str] = None, id: Optional[int] = None
) -> None:
if pattern is not None:
RealmFilter.objects.get(realm=realm, pattern=pattern).delete()
else:
RealmFilter.objects.get(realm=realm, id=id).delete()
notify_linkifiers(realm)
def do_update_linkifier(realm: Realm, id: int, pattern: str, url_format_string: str) -> None:
pattern = pattern.strip()
url_format_string = url_format_string.strip()
linkifier = RealmFilter.objects.get(realm=realm, id=id)
linkifier.pattern = pattern
linkifier.url_format_string = url_format_string
linkifier.full_clean()
linkifier.save(update_fields=["pattern", "url_format_string"])
notify_linkifiers(realm)