Files
zulip/zerver/lib/home.py
Anders Kaseorg 40a022dcc3 zephyr: Remove Zephyr mirroring support.
Signed-off-by: Anders Kaseorg <anders@zulip.com>
2025-09-16 11:18:18 -07:00

216 lines
7.8 KiB
Python

import calendar
import os
import time
from dataclasses import dataclass
from urllib.parse import urlsplit
from django.conf import settings
from django.http import HttpRequest
from django.utils import translation
from two_factor.utils import default_device
from zerver.context_processors import get_apps_page_url
from zerver.lib.events import ClientCapabilities, do_events_register
from zerver.lib.i18n import (
get_and_set_request_language,
get_language_list,
get_language_translation_data,
)
from zerver.lib.narrow_helpers import NeverNegatedNarrowTerm
from zerver.lib.realm_description import get_realm_rendered_description
from zerver.lib.request import RequestNotes
from zerver.models import Message, Realm, Stream, UserProfile
from zerver.views.message_flags import get_latest_update_message_flag_activity
@dataclass
class BillingInfo:
show_billing: bool
show_plans: bool
sponsorship_pending: bool
show_remote_billing: bool
@dataclass
class UserPermissionInfo:
color_scheme: int
is_guest: bool
is_realm_admin: bool
is_realm_owner: bool
def get_furthest_read_time(user_profile: UserProfile | None) -> float | None:
if user_profile is None:
return time.time()
user_activity = get_latest_update_message_flag_activity(user_profile)
if user_activity is None:
return None
return calendar.timegm(user_activity.last_visit.utctimetuple())
def promote_sponsoring_zulip_in_realm(realm: Realm) -> bool:
if not settings.PROMOTE_SPONSORING_ZULIP:
return False
# If PROMOTE_SPONSORING_ZULIP is enabled, advertise sponsoring
# Zulip in the gear menu of non-paying organizations.
return realm.plan_type in [Realm.PLAN_TYPE_STANDARD_FREE, Realm.PLAN_TYPE_SELF_HOSTED]
def get_user_permission_info(user_profile: UserProfile | None) -> UserPermissionInfo:
if user_profile is not None:
return UserPermissionInfo(
color_scheme=user_profile.color_scheme,
is_guest=user_profile.is_guest,
is_realm_owner=user_profile.is_realm_owner,
is_realm_admin=user_profile.is_realm_admin,
)
else:
return UserPermissionInfo(
color_scheme=UserProfile.COLOR_SCHEME_AUTOMATIC,
is_guest=False,
is_realm_admin=False,
is_realm_owner=False,
)
def build_page_params_for_home_page_load(
request: HttpRequest,
user_profile: UserProfile | None,
realm: Realm,
insecure_desktop_app: bool,
narrow: list[NeverNegatedNarrowTerm],
narrow_stream: Stream | None,
narrow_topic_name: str | None,
) -> tuple[int, dict[str, object]]:
"""
This function computes page_params for when we load the home page.
The page_params data structure gets sent to the client.
"""
client_capabilities = ClientCapabilities(
notification_settings_null=True,
bulk_message_deletion=True,
user_avatar_url_field_optional=True,
stream_typing_notifications=True,
user_settings_object=True,
linkifier_url_template=True,
user_list_incomplete=True,
include_deactivated_groups=True,
archived_channels=True,
empty_topic_name=True,
simplified_presence_events=True,
)
if user_profile is not None:
client = RequestNotes.get_notes(request).client
assert client is not None
partial_subscribers = os.environ.get("PARTIAL_SUBSCRIBERS") is not None
state_data = do_events_register(
user_profile,
realm,
client,
apply_markdown=True,
client_gravatar=True,
slim_presence=True,
presence_last_update_id_fetched_by_client=-1,
presence_history_limit_days=settings.PRESENCE_HISTORY_LIMIT_DAYS_FOR_WEB_APP,
client_capabilities=client_capabilities,
narrow=narrow,
include_streams=False,
include_subscribers="partial" if partial_subscribers else True,
)
queue_id = state_data["queue_id"]
default_language = state_data["user_settings"]["default_language"]
else:
# The spectator client will be fetching the /register response
# for spectators via the API.
state_data = None
queue_id = None
default_language = realm.default_language
if user_profile is None:
request_language = request.COOKIES.get(settings.LANGUAGE_COOKIE_NAME, default_language)
split_url = urlsplit(request.build_absolute_uri())
show_try_zulip_modal = (
settings.DEVELOPMENT or split_url.hostname == "chat.zulip.org"
) and split_url.query == "show_try_zulip_modal"
else:
request_language = get_and_set_request_language(
request,
default_language,
translation.get_language_from_path(request.path_info),
)
show_try_zulip_modal = False
furthest_read_time = get_furthest_read_time(user_profile)
two_fa_enabled = settings.TWO_FACTOR_AUTHENTICATION_ENABLED and user_profile is not None
# Pass parameters to the client-side JavaScript code.
# These end up in a JavaScript Object named 'page_params'.
#
# Sync this with home_params_schema in base_page_params.ts.
page_params: dict[str, object] = dict(
page_type="home",
## Server settings.
test_suite=settings.TEST_SUITE,
insecure_desktop_app=insecure_desktop_app,
login_page=settings.HOME_NOT_LOGGED_IN,
warn_no_email=settings.WARN_NO_EMAIL,
# Only show marketing email settings if on Zulip Cloud
corporate_enabled=settings.CORPORATE_ENABLED,
## Misc. extra data.
language_list=get_language_list(),
furthest_read_time=furthest_read_time,
embedded_bots_enabled=settings.EMBEDDED_BOTS_ENABLED,
two_fa_enabled=two_fa_enabled,
apps_page_url=get_apps_page_url(),
promote_sponsoring_zulip=promote_sponsoring_zulip_in_realm(realm),
# Adding two_fa_enabled as condition saves us 3 queries when
# 2FA is not enabled.
two_fa_enabled_user=two_fa_enabled and bool(default_device(user_profile)),
is_spectator=user_profile is None,
presence_history_limit_days_for_web_app=settings.PRESENCE_HISTORY_LIMIT_DAYS_FOR_WEB_APP,
# There is no event queue for spectators since
# events support for spectators is not implemented yet.
no_event_queue=user_profile is None,
show_try_zulip_modal=show_try_zulip_modal,
)
page_params["state_data"] = state_data
if narrow_stream is not None and state_data is not None:
# In narrow_stream context, initial pointer is just latest message
recipient = narrow_stream.recipient
state_data["max_message_id"] = -1
max_message = (
# Uses index: zerver_message_realm_recipient_id
Message.objects.filter(realm_id=realm.id, recipient=recipient)
.order_by("-id")
.only("id")
.first()
)
if max_message:
state_data["max_message_id"] = max_message.id
page_params["narrow_stream"] = narrow_stream.name
if narrow_topic_name is not None:
page_params["narrow_topic"] = narrow_topic_name
page_params["narrow"] = [
dict(operator=term.operator, operand=term.operand) for term in narrow
]
assert isinstance(state_data["user_settings"], dict)
state_data["user_settings"]["enable_desktop_notifications"] = False
page_params["translation_data"] = get_language_translation_data(request_language)
if user_profile is None:
# Get rendered version of realm description which is displayed in right
# sidebar for spectator.
page_params["realm_rendered_description"] = get_realm_rendered_description(realm)
page_params["language_cookie_name"] = settings.LANGUAGE_COOKIE_NAME
return queue_id, page_params