mirror of
https://github.com/zulip/zulip.git
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4f0110e081
We are adding a new list of unread message ids grouped by conversation to the queue registration result. This will allow clients to show accurate unread badges without needing to load an unbound number of historic messages. Jason started this commit, and then Steve Howell finished it. We only identify conversations using stream_id/user_id info; we may need a subsequent version that includes things like stream names and user emails/names for API clients that don't have data structures to map ids -> attributes.
520 lines
24 KiB
Python
520 lines
24 KiB
Python
# See http://zulip.readthedocs.io/en/latest/events-system.html for
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# high-level documentation on how this system works.
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from __future__ import absolute_import
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from __future__ import print_function
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import copy
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import six
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import ujson
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from django.utils.translation import ugettext as _
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from django.conf import settings
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from importlib import import_module
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from six.moves import filter, map
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from typing import (
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cast, Any, Dict, Iterable, List, Optional, Sequence, Set, Text, Tuple, Union
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)
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session_engine = import_module(settings.SESSION_ENGINE)
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from zerver.lib.alert_words import user_alert_words
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from zerver.lib.attachments import user_attachments
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from zerver.lib.avatar import avatar_url, avatar_url_from_dict
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from zerver.lib.hotspots import get_next_hotspots
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from zerver.lib.message import (
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apply_unread_message_event,
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get_unread_message_ids_per_recipient,
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)
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from zerver.lib.narrow import check_supported_events_narrow_filter
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from zerver.lib.realm_icon import realm_icon_url
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from zerver.lib.request import JsonableError
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from zerver.lib.actions import (
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validate_user_access_to_subscribers_helper,
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do_get_streams, get_default_streams_for_realm,
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gather_subscriptions_helper, get_cross_realm_dicts,
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get_status_dict, streams_to_dicts_sorted
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)
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from zerver.tornado.event_queue import request_event_queue, get_user_events
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from zerver.models import Client, Message, Realm, UserPresence, UserProfile, \
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get_user_profile_by_id, \
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get_active_user_dicts_in_realm, realm_filters_for_realm, get_user,\
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get_owned_bot_dicts, custom_profile_fields_for_realm, get_realm_domains
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from zproject.backends import password_auth_enabled
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from version import ZULIP_VERSION
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def get_realm_user_dicts(user_profile):
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# type: (UserProfile) -> List[Dict[str, Text]]
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return [{'email': userdict['email'],
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'user_id': userdict['id'],
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'avatar_url': avatar_url_from_dict(userdict),
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'is_admin': userdict['is_realm_admin'],
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'is_bot': userdict['is_bot'],
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'full_name': userdict['full_name'],
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'timezone': userdict['timezone']}
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for userdict in get_active_user_dicts_in_realm(user_profile.realm)]
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# Fetch initial data. When event_types is not specified, clients want
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# all event types. Whenever you add new code to this function, you
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# should also add corresponding events for changes in the data
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# structures and new code to apply_events (and add a test in EventsRegisterTest).
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def fetch_initial_state_data(user_profile, event_types, queue_id,
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include_subscribers=True):
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# type: (UserProfile, Optional[Iterable[str]], str, bool) -> Dict[str, Any]
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state = {'queue_id': queue_id} # type: Dict[str, Any]
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if event_types is None:
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want = lambda msg_type: True
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else:
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want = set(event_types).__contains__
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if want('alert_words'):
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state['alert_words'] = user_alert_words(user_profile)
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if want('custom_profile_fields'):
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fields = custom_profile_fields_for_realm(user_profile.realm.id)
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state['custom_profile_fields'] = [f.as_dict() for f in fields]
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if want('attachments'):
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state['attachments'] = user_attachments(user_profile)
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if want('hotspots'):
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state['hotspots'] = get_next_hotspots(user_profile)
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if want('message'):
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# The client should use get_messages() to fetch messages
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# starting with the max_message_id. They will get messages
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# newer than that ID via get_events()
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messages = Message.objects.filter(usermessage__user_profile=user_profile).order_by('-id')[:1]
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if messages:
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state['max_message_id'] = messages[0].id
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else:
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state['max_message_id'] = -1
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if want('muted_topics'):
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state['muted_topics'] = ujson.loads(user_profile.muted_topics)
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if want('pointer'):
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state['pointer'] = user_profile.pointer
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if want('presence'):
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state['presences'] = get_status_dict(user_profile)
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if want('realm'):
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for property_name in Realm.property_types:
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state['realm_' + property_name] = getattr(user_profile.realm, property_name)
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# Most state is handled via the property_types framework;
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# these manual entries are for those realm settings that don't
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# fit into that framework.
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state['realm_authentication_methods'] = user_profile.realm.authentication_methods_dict()
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state['realm_allow_message_editing'] = user_profile.realm.allow_message_editing
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state['realm_message_content_edit_limit_seconds'] = user_profile.realm.message_content_edit_limit_seconds
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state['realm_icon_url'] = realm_icon_url(user_profile.realm)
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state['realm_icon_source'] = user_profile.realm.icon_source
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state['max_icon_file_size'] = settings.MAX_ICON_FILE_SIZE
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state['realm_bot_domain'] = user_profile.realm.get_bot_domain()
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state['realm_uri'] = user_profile.realm.uri
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state['realm_presence_disabled'] = user_profile.realm.presence_disabled
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state['realm_show_digest_email'] = user_profile.realm.show_digest_email
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state['realm_is_zephyr_mirror_realm'] = user_profile.realm.is_zephyr_mirror_realm
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state['realm_password_auth_enabled'] = password_auth_enabled(user_profile.realm)
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if user_profile.realm.notifications_stream and not user_profile.realm.notifications_stream.deactivated:
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notifications_stream = user_profile.realm.notifications_stream
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state['realm_notifications_stream_id'] = notifications_stream.id
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else:
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state['realm_notifications_stream_id'] = -1
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if want('realm_domains'):
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state['realm_domains'] = get_realm_domains(user_profile.realm)
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if want('realm_emoji'):
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state['realm_emoji'] = user_profile.realm.get_emoji()
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if want('realm_filters'):
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state['realm_filters'] = realm_filters_for_realm(user_profile.realm_id)
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if want('realm_user'):
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state['realm_users'] = get_realm_user_dicts(user_profile)
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state['avatar_source'] = user_profile.avatar_source
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state['avatar_url_medium'] = avatar_url(user_profile, medium=True)
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state['avatar_url'] = avatar_url(user_profile)
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state['can_create_streams'] = user_profile.can_create_streams()
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state['cross_realm_bots'] = list(get_cross_realm_dicts())
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state['is_admin'] = user_profile.is_realm_admin
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state['user_id'] = user_profile.id
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state['enter_sends'] = user_profile.enter_sends
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state['email'] = user_profile.email
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state['full_name'] = user_profile.full_name
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if want('realm_bot'):
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state['realm_bots'] = get_owned_bot_dicts(user_profile)
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if want('subscription'):
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subscriptions, unsubscribed, never_subscribed = gather_subscriptions_helper(
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user_profile, include_subscribers=include_subscribers)
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state['subscriptions'] = subscriptions
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state['unsubscribed'] = unsubscribed
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state['never_subscribed'] = never_subscribed
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if want('update_message_flags') and want('message'):
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# Keeping unread_msgs updated requires both message flag updates and
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# message updates. This is due to the fact that new messages will not
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# generate a flag update so we need to use the flags field in the
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# message event.
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state['unread_msgs'] = get_unread_message_ids_per_recipient(user_profile)
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if want('stream'):
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state['streams'] = do_get_streams(user_profile)
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if want('default_streams'):
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state['realm_default_streams'] = streams_to_dicts_sorted(get_default_streams_for_realm(user_profile.realm))
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if want('update_display_settings'):
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for prop in UserProfile.property_types:
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state[prop] = getattr(user_profile, prop)
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state['emojiset_choices'] = user_profile.emojiset_choices()
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state['autoscroll_forever'] = user_profile.autoscroll_forever
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if want('update_global_notifications'):
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for notification in UserProfile.notification_setting_types:
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state[notification] = getattr(user_profile, notification)
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state['default_desktop_notifications'] = user_profile.default_desktop_notifications
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if want('zulip_version'):
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state['zulip_version'] = ZULIP_VERSION
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return state
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def remove_message_id_from_unread_mgs(state, remove_id):
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# type: (Dict[str, Dict[str, List[Dict[str, Any]]]], int) -> None
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for message_type, threads in state['unread_msgs'].items():
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for obj in threads:
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msg_ids = obj['unread_message_ids']
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if remove_id in msg_ids:
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msg_ids.remove(remove_id)
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state['unread_msgs'][message_type] = [
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obj for obj in threads
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if obj['unread_message_ids']
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]
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def apply_events(state, events, user_profile, include_subscribers=True,
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fetch_event_types=None):
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# type: (Dict[str, Any], Iterable[Dict[str, Any]], UserProfile, bool, Optional[Iterable[str]]) -> None
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for event in events:
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if fetch_event_types is not None and event['type'] not in fetch_event_types:
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# TODO: continuing here is not, most precisely, correct.
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# In theory, an event of one type, e.g. `realm_user`,
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# could modify state that doesn't come from that
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# `fetch_event_types` value, e.g. the `our_person` part of
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# that code path. But it should be extremely rare, and
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# fixing that will require a nontrivial refactor of
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# `apply_event`. For now, be careful in your choice of
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# `fetch_event_types`.
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continue
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apply_event(state, event, user_profile, include_subscribers)
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def apply_event(state, event, user_profile, include_subscribers):
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# type: (Dict[str, Any], Dict[str, Any], UserProfile, bool) -> None
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if event['type'] == "message":
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state['max_message_id'] = max(state['max_message_id'], event['message']['id'])
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apply_unread_message_event(state['unread_msgs'], event['message'])
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elif event['type'] == "hotspots":
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state['hotspots'] = event['hotspots']
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elif event['type'] == "custom_profile_fields":
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state['custom_profile_fields'] = event['fields']
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elif event['type'] == "pointer":
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state['pointer'] = max(state['pointer'], event['pointer'])
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elif event['type'] == "realm_user":
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person = event['person']
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def our_person(p):
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# type: (Dict[str, Any]) -> bool
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return p['user_id'] == person['user_id']
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if event['op'] == "add":
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state['realm_users'].append(person)
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elif event['op'] == "remove":
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state['realm_users'] = [user for user in state['realm_users'] if not our_person(user)]
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elif event['op'] == 'update':
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if (person['user_id'] == user_profile.id and 'avatar_url' in person and 'avatar_url' in state):
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state['avatar_source'] = person['avatar_source']
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state['avatar_url'] = person['avatar_url']
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state['avatar_url_medium'] = person['avatar_url_medium']
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if 'avatar_source' in person:
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# Drop these so that they don't modify the
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# `realm_user` structure in the `p.update()` line
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# later; they're only used in the above lines
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del person['avatar_source']
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del person['avatar_url_medium']
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for field in ['is_admin', 'email', 'full_name']:
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if person['user_id'] == user_profile.id and field in person and field in state:
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state[field] = person[field]
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for p in state['realm_users']:
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if our_person(p):
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# In the unlikely event that the current user
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# just changed to/from being an admin, we need
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# to add/remove the data on all bots in the
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# realm. This is ugly and probably better
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# solved by removing the all-realm-bots data
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# given to admin users from this flow.
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if ('is_admin' in person and 'realm_bots' in state and
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user_profile.email == person['email']):
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if p['is_admin'] and not person['is_admin']:
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state['realm_bots'] = []
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if not p['is_admin'] and person['is_admin']:
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state['realm_bots'] = get_owned_bot_dicts(user_profile)
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# Now update the person
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p.update(person)
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elif event['type'] == 'realm_bot':
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if event['op'] == 'add':
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state['realm_bots'].append(event['bot'])
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if event['op'] == 'remove':
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email = event['bot']['email']
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for bot in state['realm_bots']:
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if bot['email'] == email:
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bot['is_active'] = False
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if event['op'] == 'update':
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for bot in state['realm_bots']:
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if bot['email'] == event['bot']['email']:
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if 'owner_id' in event['bot']:
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bot['owner'] = get_user_profile_by_id(event['bot']['owner_id']).email
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else:
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bot.update(event['bot'])
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elif event['type'] == 'stream':
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if event['op'] == 'create':
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for stream in event['streams']:
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if not stream['invite_only']:
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stream_data = copy.deepcopy(stream)
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if include_subscribers:
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stream_data['subscribers'] = []
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# Add stream to never_subscribed (if not invite_only)
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state['never_subscribed'].append(stream_data)
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state['streams'].append(stream)
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state['streams'].sort(key=lambda elt: elt["name"])
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if event['op'] == 'delete':
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deleted_stream_ids = {stream['stream_id'] for stream in event['streams']}
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state['streams'] = [s for s in state['streams'] if s['stream_id'] not in deleted_stream_ids]
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state['never_subscribed'] = [stream for stream in state['never_subscribed'] if
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stream['stream_id'] not in deleted_stream_ids]
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if event['op'] == 'update':
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# For legacy reasons, we call stream data 'subscriptions' in
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# the state var here, for the benefit of the JS code.
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for obj in state['subscriptions']:
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if obj['name'].lower() == event['name'].lower():
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obj[event['property']] = event['value']
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# Also update the pure streams data
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for stream in state['streams']:
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if stream['name'].lower() == event['name'].lower():
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prop = event['property']
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if prop in stream:
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stream[prop] = event['value']
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elif event['op'] == "occupy":
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state['streams'] += event['streams']
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elif event['op'] == "vacate":
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stream_ids = [s["stream_id"] for s in event['streams']]
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state['streams'] = [s for s in state['streams'] if s["stream_id"] not in stream_ids]
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elif event['type'] == 'default_streams':
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state['realm_default_streams'] = event['default_streams']
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elif event['type'] == 'realm':
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if event['op'] == "update":
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field = 'realm_' + event['property']
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state[field] = event['value']
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# Tricky interaction: Whether we can create streams can get changed here.
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if (field in ['realm_create_stream_by_admins_only',
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'realm_waiting_period_threshold']) and 'can_create_streams' in state:
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state['can_create_streams'] = user_profile.can_create_streams()
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elif event['op'] == "update_dict":
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for key, value in event['data'].items():
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state['realm_' + key] = value
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# It's a bit messy, but this is where we need to
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# update the state for whether password authentication
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# is enabled on this server.
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if key == 'authentication_methods':
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state['realm_password_auth_enabled'] = (value['Email'] or value['LDAP'])
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elif event['type'] == "subscription":
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if not include_subscribers and event['op'] in ['peer_add', 'peer_remove']:
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return
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if event['op'] in ["add"]:
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if include_subscribers:
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# Convert the emails to user_profile IDs since that's what register() returns
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# TODO: Clean up this situation by making the event also have IDs
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for item in event["subscriptions"]:
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item["subscribers"] = [
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get_user(email, user_profile.realm).id
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for email in item["subscribers"]
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]
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else:
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# Avoid letting 'subscribers' entries end up in the list
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for i, sub in enumerate(event['subscriptions']):
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event['subscriptions'][i] = copy.deepcopy(event['subscriptions'][i])
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del event['subscriptions'][i]['subscribers']
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def name(sub):
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# type: (Dict[str, Any]) -> Text
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return sub['name'].lower()
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if event['op'] == "add":
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added_names = set(map(name, event["subscriptions"]))
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was_added = lambda s: name(s) in added_names
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# add the new subscriptions
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state['subscriptions'] += event['subscriptions']
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# remove them from unsubscribed if they had been there
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state['unsubscribed'] = [s for s in state['unsubscribed'] if not was_added(s)]
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# remove them from never_subscribed if they had been there
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state['never_subscribed'] = [s for s in state['never_subscribed'] if not was_added(s)]
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elif event['op'] == "remove":
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removed_names = set(map(name, event["subscriptions"]))
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was_removed = lambda s: name(s) in removed_names
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# Find the subs we are affecting.
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removed_subs = list(filter(was_removed, state['subscriptions']))
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# Remove our user from the subscribers of the removed subscriptions.
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if include_subscribers:
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for sub in removed_subs:
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sub['subscribers'] = [id for id in sub['subscribers'] if id != user_profile.id]
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# We must effectively copy the removed subscriptions from subscriptions to
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# unsubscribe, since we only have the name in our data structure.
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state['unsubscribed'] += removed_subs
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# Now filter out the removed subscriptions from subscriptions.
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state['subscriptions'] = [s for s in state['subscriptions'] if not was_removed(s)]
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elif event['op'] == 'update':
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for sub in state['subscriptions']:
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if sub['name'].lower() == event['name'].lower():
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sub[event['property']] = event['value']
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elif event['op'] == 'peer_add':
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user_id = event['user_id']
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for sub in state['subscriptions']:
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if (sub['name'] in event['subscriptions'] and
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user_id not in sub['subscribers']):
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sub['subscribers'].append(user_id)
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for sub in state['never_subscribed']:
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if (sub['name'] in event['subscriptions'] and
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user_id not in sub['subscribers']):
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sub['subscribers'].append(user_id)
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elif event['op'] == 'peer_remove':
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user_id = event['user_id']
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for sub in state['subscriptions']:
|
|
if (sub['name'] in event['subscriptions'] and
|
|
user_id in sub['subscribers']):
|
|
sub['subscribers'].remove(user_id)
|
|
elif event['type'] == "presence":
|
|
# TODO: Add user_id to presence update events / state format!
|
|
presence_user_profile = get_user(event['email'], user_profile.realm)
|
|
state['presences'][event['email']] = UserPresence.get_status_dict_by_user(presence_user_profile)[event['email']]
|
|
elif event['type'] == "update_message":
|
|
# The client will get the updated message directly, but we need to
|
|
# update the subjects of our unread message ids
|
|
if 'subject' in event and 'unread_msgs' in state:
|
|
for obj in state['unread_msgs']['streams']:
|
|
if obj['stream_id'] == event['stream_id']:
|
|
if obj['topic'] == event['orig_subject']:
|
|
obj['topic'] = event['subject']
|
|
elif event['type'] == "delete_message":
|
|
max_message = Message.objects.filter(
|
|
usermessage__user_profile=user_profile).order_by('-id').first()
|
|
if max_message:
|
|
state['max_message_id'] = max_message.id
|
|
else:
|
|
state['max_message_id'] = -1
|
|
|
|
remove_id = event['message_id']
|
|
remove_message_id_from_unread_mgs(state, remove_id)
|
|
elif event['type'] == "reaction":
|
|
# The client will get the message with the reactions directly
|
|
pass
|
|
elif event['type'] == 'typing':
|
|
# Typing notification events are transient and thus ignored
|
|
pass
|
|
elif event['type'] == "update_message_flags":
|
|
# The client will get the message with the updated flags directly but
|
|
# we need to keep the unread_msgs updated.
|
|
if event['flag'] == 'read' and event['operation'] == 'add':
|
|
for remove_id in event['messages']:
|
|
remove_message_id_from_unread_mgs(state, remove_id)
|
|
elif event['type'] == "realm_domains":
|
|
if event['op'] == 'add':
|
|
state['realm_domains'].append(event['realm_domain'])
|
|
elif event['op'] == 'change':
|
|
for realm_domain in state['realm_domains']:
|
|
if realm_domain['domain'] == event['realm_domain']['domain']:
|
|
realm_domain['allow_subdomains'] = event['realm_domain']['allow_subdomains']
|
|
elif event['op'] == 'remove':
|
|
state['realm_domains'] = [realm_domain for realm_domain in state['realm_domains']
|
|
if realm_domain['domain'] != event['domain']]
|
|
elif event['type'] == "realm_emoji":
|
|
state['realm_emoji'] = event['realm_emoji']
|
|
elif event['type'] == "alert_words":
|
|
state['alert_words'] = event['alert_words']
|
|
elif event['type'] == "muted_topics":
|
|
state['muted_topics'] = event["muted_topics"]
|
|
elif event['type'] == "realm_filters":
|
|
state['realm_filters'] = event["realm_filters"]
|
|
elif event['type'] == "update_display_settings":
|
|
assert event['setting_name'] in UserProfile.property_types
|
|
state[event['setting_name']] = event['setting']
|
|
elif event['type'] == "update_global_notifications":
|
|
assert event['notification_name'] in UserProfile.notification_setting_types
|
|
state[event['notification_name']] = event['setting']
|
|
else:
|
|
raise AssertionError("Unexpected event type %s" % (event['type'],))
|
|
|
|
def do_events_register(user_profile, user_client, apply_markdown=True,
|
|
event_types=None, queue_lifespan_secs=0, all_public_streams=False,
|
|
include_subscribers=True, narrow=[], fetch_event_types=None):
|
|
# type: (UserProfile, Client, bool, Optional[Iterable[str]], int, bool, bool, Iterable[Sequence[Text]], Optional[Iterable[str]]) -> Dict[str, Any]
|
|
|
|
# Technically we don't need to check this here because
|
|
# build_narrow_filter will check it, but it's nicer from an error
|
|
# handling perspective to do it before contacting Tornado
|
|
check_supported_events_narrow_filter(narrow)
|
|
|
|
# Note that we pass event_types, not fetch_event_types here, since
|
|
# that's what controls which future events are sent.
|
|
queue_id = request_event_queue(user_profile, user_client, apply_markdown,
|
|
queue_lifespan_secs, event_types, all_public_streams,
|
|
narrow=narrow)
|
|
|
|
if queue_id is None:
|
|
raise JsonableError(_("Could not allocate event queue"))
|
|
|
|
if fetch_event_types is not None:
|
|
event_types_set = set(fetch_event_types) # type: Optional[Set[str]]
|
|
elif event_types is not None:
|
|
event_types_set = set(event_types)
|
|
else:
|
|
event_types_set = None
|
|
|
|
ret = fetch_initial_state_data(user_profile, event_types_set, queue_id,
|
|
include_subscribers=include_subscribers)
|
|
|
|
# Apply events that came in while we were fetching initial data
|
|
events = get_user_events(user_profile, queue_id, -1)
|
|
apply_events(ret, events, user_profile, include_subscribers=include_subscribers,
|
|
fetch_event_types=fetch_event_types)
|
|
|
|
if len(events) > 0:
|
|
ret['last_event_id'] = events[-1]['id']
|
|
else:
|
|
ret['last_event_id'] = -1
|
|
return ret
|