mirror of https://github.com/zulip/zulip.git
1341 lines
57 KiB
Python
1341 lines
57 KiB
Python
import datetime
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import itertools
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from collections import defaultdict
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from typing import Any, Dict, Iterable, List, Optional, Set, Tuple
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from django.conf import settings
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from django.db import transaction
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from django.db.models import Q
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from django.utils.timezone import now as timezone_now
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from django.utils.translation import gettext as _
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from django.utils.translation import gettext_lazy
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from django.utils.translation import override as override_language
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from django_stubs_ext import StrPromise
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from zerver.actions.message_delete import DeleteMessagesEvent
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from zerver.actions.message_flags import do_update_mobile_push_notification
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from zerver.actions.message_send import (
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filter_presence_idle_user_ids,
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get_recipient_info,
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internal_send_stream_message,
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render_incoming_message,
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)
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from zerver.actions.uploads import check_attachment_reference_change
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from zerver.actions.user_topics import bulk_do_set_user_topic_visibility_policy
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from zerver.lib.exceptions import JsonableError, MessageMoveError
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from zerver.lib.markdown import MessageRenderingResult, topic_links
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from zerver.lib.markdown import version as markdown_version
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from zerver.lib.mention import MentionBackend, MentionData, silent_mention_syntax_for_user
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from zerver.lib.message import (
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access_message,
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bulk_access_messages,
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check_user_group_mention_allowed,
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normalize_body,
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truncate_topic,
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update_to_dict_cache,
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wildcard_mention_allowed,
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)
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from zerver.lib.queue import queue_json_publish
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from zerver.lib.stream_subscription import get_active_subscriptions_for_stream_id
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from zerver.lib.stream_topic import StreamTopicTarget
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from zerver.lib.streams import (
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access_stream_by_id,
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can_access_stream_history,
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check_stream_access_based_on_stream_post_policy,
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)
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from zerver.lib.string_validation import check_stream_topic
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from zerver.lib.timestamp import datetime_to_timestamp
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from zerver.lib.topic import (
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ORIG_TOPIC,
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RESOLVED_TOPIC_PREFIX,
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TOPIC_LINKS,
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TOPIC_NAME,
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messages_for_topic,
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save_message_for_edit_use_case,
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update_edit_history,
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update_messages_for_topic_edit,
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)
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from zerver.lib.types import EditHistoryEvent
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from zerver.lib.url_encoding import near_stream_message_url
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from zerver.lib.user_message import UserMessageLite, bulk_insert_ums
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from zerver.lib.user_topics import get_users_with_user_topic_visibility_policy
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from zerver.lib.widget import is_widget_message
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from zerver.models import (
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ArchivedAttachment,
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Attachment,
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Message,
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Reaction,
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Stream,
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UserMessage,
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UserProfile,
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UserTopic,
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get_stream_by_id_in_realm,
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get_system_bot,
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)
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from zerver.tornado.django_api import send_event
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def subscriber_info(user_id: int) -> Dict[str, Any]:
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return {"id": user_id, "flags": ["read"]}
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def validate_message_edit_payload(
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message: Message,
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stream_id: Optional[int],
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topic_name: Optional[str],
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propagate_mode: Optional[str],
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content: Optional[str],
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) -> None:
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"""
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Checks that the data sent is well-formed. Does not handle editability, permissions etc.
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"""
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if topic_name is None and content is None and stream_id is None:
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raise JsonableError(_("Nothing to change"))
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if not message.is_stream_message():
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if stream_id is not None:
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raise JsonableError(_("Direct messages cannot be moved to streams."))
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if topic_name is not None:
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raise JsonableError(_("Direct messages cannot have topics."))
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if propagate_mode != "change_one" and topic_name is None and stream_id is None:
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raise JsonableError(_("Invalid propagate_mode without topic edit"))
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if topic_name is not None:
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check_stream_topic(topic_name)
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if stream_id is not None and content is not None:
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raise JsonableError(_("Cannot change message content while changing stream"))
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# Right now, we prevent users from editing widgets.
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if content is not None and is_widget_message(message):
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raise JsonableError(_("Widgets cannot be edited."))
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def maybe_send_resolve_topic_notifications(
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*,
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user_profile: UserProfile,
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stream: Stream,
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old_topic: str,
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new_topic: str,
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changed_messages: List[Message],
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) -> Optional[int]:
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"""Returns resolved_topic_message_id if resolve topic notifications were in fact sent."""
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# Note that topics will have already been stripped in check_update_message.
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#
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# This logic is designed to treat removing a weird "✔ ✔✔ "
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# prefix as unresolving the topic.
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topic_resolved: bool = new_topic.startswith(RESOLVED_TOPIC_PREFIX) and not old_topic.startswith(
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RESOLVED_TOPIC_PREFIX
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)
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topic_unresolved: bool = old_topic.startswith(
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RESOLVED_TOPIC_PREFIX
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) and not new_topic.startswith(RESOLVED_TOPIC_PREFIX)
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if not topic_resolved and not topic_unresolved:
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# If there's some other weird topic that does not toggle the
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# state of "topic starts with RESOLVED_TOPIC_PREFIX", we do
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# nothing. Any other logic could result in cases where we send
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# these notifications in a non-alternating fashion.
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#
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# Note that it is still possible for an individual topic to
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# have multiple "This topic was marked as resolved"
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# notifications in a row: one can send new messages to the
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# pre-resolve topic and then resolve the topic created that
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# way to get multiple in the resolved topic. And then an
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# administrator can the messages in between. We consider this
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# to be a fundamental risk of irresponsible message deletion,
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# not a bug with the "resolve topics" feature.
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return None
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# Compute the users who either sent or reacted to messages that
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# were moved via the "resolve topic' action. Only those users
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# should be eligible for this message being managed as unread.
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affected_participant_ids = {message.sender_id for message in changed_messages} | set(
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Reaction.objects.filter(message__in=changed_messages).values_list(
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"user_profile_id", flat=True
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)
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)
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sender = get_system_bot(settings.NOTIFICATION_BOT, user_profile.realm_id)
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user_mention = silent_mention_syntax_for_user(user_profile)
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with override_language(stream.realm.default_language):
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if topic_resolved:
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notification_string = _("{user} has marked this topic as resolved.")
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elif topic_unresolved:
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notification_string = _("{user} has marked this topic as unresolved.")
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resolved_topic_message_id = internal_send_stream_message(
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sender,
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stream,
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new_topic,
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notification_string.format(
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user=user_mention,
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),
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limit_unread_user_ids=affected_participant_ids,
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)
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return resolved_topic_message_id
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def send_message_moved_breadcrumbs(
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target_message: Message,
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user_profile: UserProfile,
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old_stream: Stream,
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old_topic: str,
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old_thread_notification_string: Optional[StrPromise],
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new_stream: Stream,
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new_topic: Optional[str],
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new_thread_notification_string: Optional[StrPromise],
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changed_messages_count: int,
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) -> None:
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# Since moving content between streams is highly disruptive,
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# it's worth adding a couple tombstone messages showing what
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# happened.
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sender = get_system_bot(settings.NOTIFICATION_BOT, old_stream.realm_id)
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if new_topic is None:
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new_topic = old_topic
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user_mention = silent_mention_syntax_for_user(user_profile)
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old_topic_link = f"#**{old_stream.name}>{old_topic}**"
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new_topic_link = f"#**{new_stream.name}>{new_topic}**"
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message = {
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"id": target_message.id,
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"stream_id": new_stream.id,
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"display_recipient": new_stream.name,
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"topic": new_topic,
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}
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moved_message_link = near_stream_message_url(target_message.realm, message)
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if new_thread_notification_string is not None:
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with override_language(new_stream.realm.default_language):
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internal_send_stream_message(
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sender,
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new_stream,
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new_topic,
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new_thread_notification_string.format(
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message_link=moved_message_link,
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old_location=old_topic_link,
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user=user_mention,
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changed_messages_count=changed_messages_count,
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),
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)
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if old_thread_notification_string is not None:
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with override_language(old_stream.realm.default_language):
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# Send a notification to the old stream that the topic was moved.
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internal_send_stream_message(
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sender,
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old_stream,
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old_topic,
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old_thread_notification_string.format(
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user=user_mention,
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new_location=new_topic_link,
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changed_messages_count=changed_messages_count,
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),
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)
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def get_mentions_for_message_updates(message_id: int) -> Set[int]:
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# We exclude UserMessage.flags.historical rows since those
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# users did not receive the message originally, and thus
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# probably are not relevant for reprocessed alert_words,
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# mentions and similar rendering features. This may be a
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# decision we change in the future.
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mentioned_user_ids = (
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UserMessage.objects.filter(
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message=message_id,
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flags=~UserMessage.flags.historical,
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)
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.filter(
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Q(flags__andnz=(UserMessage.flags.mentioned | UserMessage.flags.wildcard_mentioned))
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)
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.values_list("user_profile_id", flat=True)
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)
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return set(mentioned_user_ids)
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def update_user_message_flags(
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rendering_result: MessageRenderingResult, ums: Iterable[UserMessage]
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) -> None:
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wildcard_mentioned = rendering_result.has_wildcard_mention()
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mentioned_ids = rendering_result.mentions_user_ids
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ids_with_alert_words = rendering_result.user_ids_with_alert_words
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changed_ums: Set[UserMessage] = set()
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def update_flag(um: UserMessage, should_set: bool, flag: int) -> None:
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if should_set:
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if not (um.flags & flag):
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um.flags |= flag
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changed_ums.add(um)
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else:
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if um.flags & flag:
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um.flags &= ~flag
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changed_ums.add(um)
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for um in ums:
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has_alert_word = um.user_profile_id in ids_with_alert_words
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update_flag(um, has_alert_word, UserMessage.flags.has_alert_word)
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mentioned = um.user_profile_id in mentioned_ids
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update_flag(um, mentioned, UserMessage.flags.mentioned)
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update_flag(um, wildcard_mentioned, UserMessage.flags.wildcard_mentioned)
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for um in changed_ums:
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um.save(update_fields=["flags"])
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def do_update_embedded_data(
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user_profile: UserProfile,
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message: Message,
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content: Optional[str],
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rendering_result: MessageRenderingResult,
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) -> None:
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timestamp = timezone_now()
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event: Dict[str, Any] = {
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"type": "update_message",
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"user_id": None,
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"edit_timestamp": datetime_to_timestamp(timestamp),
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"message_id": message.id,
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"rendering_only": True,
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}
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changed_messages = [message]
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rendered_content: Optional[str] = None
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ums = UserMessage.objects.filter(message=message.id)
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if content is not None:
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update_user_message_flags(rendering_result, ums)
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rendered_content = rendering_result.rendered_content
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message.rendered_content = rendered_content
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message.rendered_content_version = markdown_version
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event["content"] = content
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event["rendered_content"] = rendered_content
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message.save(update_fields=["content", "rendered_content"])
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event["message_ids"] = update_to_dict_cache(changed_messages)
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def user_info(um: UserMessage) -> Dict[str, Any]:
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return {
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"id": um.user_profile_id,
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"flags": um.flags_list(),
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}
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send_event(user_profile.realm, event, list(map(user_info, ums)))
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def get_visibility_policy_after_merge(
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orig_topic_visibility_policy: int, target_topic_visibility_policy: int
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) -> int:
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# This function determines the final visibility_policy after the merge
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# operation, based on the visibility policies of the original and target
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# topics.
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#
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# The algorithm to decide is based on:
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# Whichever of the two policies is most visible is what we keep.
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# The general motivation is to err on the side of showing messages
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# rather than hiding them.
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if orig_topic_visibility_policy == target_topic_visibility_policy:
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return orig_topic_visibility_policy
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elif (
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orig_topic_visibility_policy == UserTopic.VisibilityPolicy.UNMUTED
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or target_topic_visibility_policy == UserTopic.VisibilityPolicy.UNMUTED
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):
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return UserTopic.VisibilityPolicy.UNMUTED
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return UserTopic.VisibilityPolicy.INHERIT
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# This must be called already in a transaction, with a write lock on
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# the target_message.
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@transaction.atomic(savepoint=False)
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def do_update_message(
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user_profile: UserProfile,
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target_message: Message,
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new_stream: Optional[Stream],
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topic_name: Optional[str],
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propagate_mode: Optional[str],
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send_notification_to_old_thread: bool,
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send_notification_to_new_thread: bool,
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content: Optional[str],
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rendering_result: Optional[MessageRenderingResult],
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prior_mention_user_ids: Set[int],
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mention_data: Optional[MentionData] = None,
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) -> int:
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"""
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The main function for message editing. A message edit event can
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modify:
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* the message's content (in which case the caller will have
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set both content and rendered_content),
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* the topic, in which case the caller will have set topic_name
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* or both message's content and the topic
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* or stream and/or topic, in which case the caller will have set
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new_stream and/or topic_name.
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With topic edits, propagate_mode determines whether other message
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also have their topics edited.
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"""
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timestamp = timezone_now()
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target_message.last_edit_time = timestamp
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event: Dict[str, Any] = {
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"type": "update_message",
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"user_id": user_profile.id,
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"edit_timestamp": datetime_to_timestamp(timestamp),
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"message_id": target_message.id,
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"rendering_only": False,
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}
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edit_history_event: EditHistoryEvent = {
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"user_id": user_profile.id,
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"timestamp": event["edit_timestamp"],
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}
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changed_messages = [target_message]
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realm = user_profile.realm
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stream_being_edited = None
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if target_message.is_stream_message():
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stream_id = target_message.recipient.type_id
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stream_being_edited = get_stream_by_id_in_realm(stream_id, realm)
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event["stream_name"] = stream_being_edited.name
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event["stream_id"] = stream_being_edited.id
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ums = UserMessage.objects.filter(message=target_message.id)
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if content is not None:
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assert rendering_result is not None
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# mention_data is required if there's a content edit.
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assert mention_data is not None
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# add data from group mentions to mentions_user_ids.
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for group_id in rendering_result.mentions_user_group_ids:
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members = mention_data.get_group_members(group_id)
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rendering_result.mentions_user_ids.update(members)
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update_user_message_flags(rendering_result, ums)
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# One could imagine checking realm.allow_edit_history here and
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# modifying the events based on that setting, but doing so
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# doesn't really make sense. We need to send the edit event
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# to clients regardless, and a client already had access to
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# the original/pre-edit content of the message anyway. That
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# setting must be enforced on the client side, and making a
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# change here simply complicates the logic for clients parsing
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# edit history events.
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event["orig_content"] = target_message.content
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event["orig_rendered_content"] = target_message.rendered_content
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edit_history_event["prev_content"] = target_message.content
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edit_history_event["prev_rendered_content"] = target_message.rendered_content
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edit_history_event[
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"prev_rendered_content_version"
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] = target_message.rendered_content_version
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target_message.content = content
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target_message.rendered_content = rendering_result.rendered_content
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target_message.rendered_content_version = markdown_version
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event["content"] = content
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event["rendered_content"] = rendering_result.rendered_content
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event["prev_rendered_content_version"] = target_message.rendered_content_version
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event["is_me_message"] = Message.is_status_message(
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content, rendering_result.rendered_content
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)
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|
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# target_message.has_image and target_message.has_link will have been
|
|
# already updated by Markdown rendering in the caller.
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|
target_message.has_attachment = check_attachment_reference_change(
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target_message, rendering_result
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)
|
|
|
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if target_message.is_stream_message():
|
|
if topic_name is not None:
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new_topic_name = topic_name
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|
else:
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new_topic_name = target_message.topic_name()
|
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|
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stream_topic: Optional[StreamTopicTarget] = StreamTopicTarget(
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stream_id=stream_id,
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topic_name=new_topic_name,
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)
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else:
|
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stream_topic = None
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|
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info = get_recipient_info(
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realm_id=realm.id,
|
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recipient=target_message.recipient,
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sender_id=target_message.sender_id,
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stream_topic=stream_topic,
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possible_topic_wildcard_mention=mention_data.message_has_topic_wildcards(),
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possible_stream_wildcard_mention=mention_data.message_has_stream_wildcards(),
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)
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event["online_push_user_ids"] = list(info.online_push_user_ids)
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event["pm_mention_push_disabled_user_ids"] = list(info.pm_mention_push_disabled_user_ids)
|
|
event["pm_mention_email_disabled_user_ids"] = list(info.pm_mention_email_disabled_user_ids)
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|
event["stream_push_user_ids"] = list(info.stream_push_user_ids)
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|
event["stream_email_user_ids"] = list(info.stream_email_user_ids)
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|
event["followed_topic_push_user_ids"] = list(info.followed_topic_push_user_ids)
|
|
event["followed_topic_email_user_ids"] = list(info.followed_topic_email_user_ids)
|
|
event["muted_sender_user_ids"] = list(info.muted_sender_user_ids)
|
|
event["prior_mention_user_ids"] = list(prior_mention_user_ids)
|
|
event["presence_idle_user_ids"] = filter_presence_idle_user_ids(info.active_user_ids)
|
|
event["all_bot_user_ids"] = list(info.all_bot_user_ids)
|
|
if rendering_result.mentions_stream_wildcard:
|
|
event["stream_wildcard_mention_user_ids"] = list(info.stream_wildcard_mention_user_ids)
|
|
event["stream_wildcard_mention_in_followed_topic_user_ids"] = list(
|
|
info.stream_wildcard_mention_in_followed_topic_user_ids
|
|
)
|
|
else:
|
|
event["stream_wildcard_mention_user_ids"] = []
|
|
event["stream_wildcard_mention_in_followed_topic_user_ids"] = []
|
|
|
|
if rendering_result.mentions_topic_wildcard:
|
|
event["topic_wildcard_mention_user_ids"] = list(info.topic_wildcard_mention_user_ids)
|
|
event["topic_wildcard_mention_in_followed_topic_user_ids"] = list(
|
|
info.topic_wildcard_mention_in_followed_topic_user_ids
|
|
)
|
|
else:
|
|
event["topic_wildcard_mention_user_ids"] = []
|
|
event["topic_wildcard_mention_in_followed_topic_user_ids"] = []
|
|
|
|
do_update_mobile_push_notification(
|
|
target_message,
|
|
prior_mention_user_ids,
|
|
rendering_result.mentions_user_ids,
|
|
info.stream_push_user_ids,
|
|
)
|
|
|
|
if topic_name is not None or new_stream is not None:
|
|
assert propagate_mode is not None
|
|
orig_topic_name = target_message.topic_name()
|
|
event["propagate_mode"] = propagate_mode
|
|
|
|
losing_access_user_ids: List[int] = []
|
|
if new_stream is not None:
|
|
assert content is None
|
|
assert target_message.is_stream_message()
|
|
assert stream_being_edited is not None
|
|
|
|
edit_history_event["prev_stream"] = stream_being_edited.id
|
|
edit_history_event["stream"] = new_stream.id
|
|
event[ORIG_TOPIC] = orig_topic_name
|
|
assert new_stream.recipient_id is not None
|
|
target_message.recipient_id = new_stream.recipient_id
|
|
|
|
event["new_stream_id"] = new_stream.id
|
|
event["propagate_mode"] = propagate_mode
|
|
|
|
# When messages are moved from one stream to another, some
|
|
# users may lose access to those messages, including guest
|
|
# users and users not subscribed to the new stream (if it is a
|
|
# private stream). For those users, their experience is as
|
|
# though the messages were deleted, and we should send a
|
|
# delete_message event to them instead.
|
|
|
|
subs_to_old_stream = get_active_subscriptions_for_stream_id(
|
|
stream_id, include_deactivated_users=True
|
|
).select_related("user_profile")
|
|
subs_to_new_stream = list(
|
|
get_active_subscriptions_for_stream_id(
|
|
new_stream.id, include_deactivated_users=True
|
|
).select_related("user_profile")
|
|
)
|
|
|
|
old_stream_user_ids = {user.user_profile_id for user in subs_to_old_stream}
|
|
new_stream_user_ids = {user.user_profile_id for user in subs_to_new_stream}
|
|
|
|
# Get users who aren't subscribed to the new_stream.
|
|
subs_losing_usermessages = [
|
|
sub for sub in subs_to_old_stream if sub.user_profile_id not in new_stream_user_ids
|
|
]
|
|
# Users who can longer access the message without some action
|
|
# from administrators.
|
|
subs_losing_access = [
|
|
sub
|
|
for sub in subs_losing_usermessages
|
|
if sub.user_profile.is_guest or not new_stream.is_public()
|
|
]
|
|
losing_access_user_ids = [sub.user_profile_id for sub in subs_losing_access]
|
|
|
|
ums = ums.exclude(
|
|
user_profile_id__in=[sub.user_profile_id for sub in subs_losing_usermessages]
|
|
)
|
|
|
|
gaining_usermessage_user_ids = []
|
|
if not new_stream.is_history_public_to_subscribers():
|
|
# For private streams, with history not public to subscribers,
|
|
# We find out users who are not present in the msgs' old stream
|
|
# and create new UserMessage for these users so that they can
|
|
# access this message.
|
|
gaining_usermessage_user_ids += [
|
|
user_id for user_id in new_stream_user_ids if user_id not in old_stream_user_ids
|
|
]
|
|
|
|
# We save the full topic name so that checks that require comparison
|
|
# between the original topic and the topic name passed into this function
|
|
# will not be affected by the potential truncation of topic_name below.
|
|
pre_truncation_topic_name = topic_name
|
|
if topic_name is not None:
|
|
topic_name = truncate_topic(topic_name)
|
|
target_message.set_topic_name(topic_name)
|
|
|
|
# These fields have legacy field names.
|
|
event[ORIG_TOPIC] = orig_topic_name
|
|
event[TOPIC_NAME] = topic_name
|
|
event[TOPIC_LINKS] = topic_links(target_message.sender.realm_id, topic_name)
|
|
edit_history_event["prev_topic"] = orig_topic_name
|
|
edit_history_event["topic"] = topic_name
|
|
|
|
update_edit_history(target_message, timestamp, edit_history_event)
|
|
|
|
# 'target_topic_has_messages', 'target_stream', and 'target_topic'
|
|
# will be used while migrating user_topic records later in this function.
|
|
#
|
|
# We need to calculate 'target_topic_has_messages' here,
|
|
# as we are moving the messages in the next step.
|
|
if topic_name is not None or new_stream is not None:
|
|
assert stream_being_edited is not None
|
|
assert orig_topic_name is not None
|
|
|
|
target_stream: Stream = new_stream if new_stream is not None else stream_being_edited
|
|
target_topic: str = topic_name if topic_name is not None else orig_topic_name
|
|
|
|
assert target_stream.recipient_id is not None
|
|
target_topic_has_messages = messages_for_topic(
|
|
target_stream.recipient_id, target_topic
|
|
).exists()
|
|
|
|
if propagate_mode in ["change_later", "change_all"]:
|
|
assert topic_name is not None or new_stream is not None
|
|
assert stream_being_edited is not None
|
|
|
|
# Other messages should only get topic/stream fields in their edit history.
|
|
topic_only_edit_history_event: EditHistoryEvent = {
|
|
"user_id": edit_history_event["user_id"],
|
|
"timestamp": edit_history_event["timestamp"],
|
|
}
|
|
if topic_name is not None:
|
|
topic_only_edit_history_event["prev_topic"] = edit_history_event["prev_topic"]
|
|
topic_only_edit_history_event["topic"] = edit_history_event["topic"]
|
|
if new_stream is not None:
|
|
topic_only_edit_history_event["prev_stream"] = edit_history_event["prev_stream"]
|
|
topic_only_edit_history_event["stream"] = edit_history_event["stream"]
|
|
|
|
messages_list = update_messages_for_topic_edit(
|
|
acting_user=user_profile,
|
|
edited_message=target_message,
|
|
propagate_mode=propagate_mode,
|
|
orig_topic_name=orig_topic_name,
|
|
topic_name=topic_name,
|
|
new_stream=new_stream,
|
|
old_stream=stream_being_edited,
|
|
edit_history_event=topic_only_edit_history_event,
|
|
last_edit_time=timestamp,
|
|
)
|
|
changed_messages += messages_list
|
|
|
|
if new_stream is not None:
|
|
assert stream_being_edited is not None
|
|
changed_message_ids = [msg.id for msg in changed_messages]
|
|
|
|
if gaining_usermessage_user_ids:
|
|
ums_to_create = []
|
|
for message_id in changed_message_ids:
|
|
for user_profile_id in gaining_usermessage_user_ids:
|
|
# The fact that the user didn't have a UserMessage originally means we can infer that the user
|
|
# was not mentioned in the original message (even if mention syntax was present, it would not
|
|
# take effect for a user who was not subscribed). If we were editing the message's content, we
|
|
# would rerender the message and then use the new stream's data to determine whether this is
|
|
# a mention of a subscriber; but as we are not doing so, we choose to preserve the "was this
|
|
# mention syntax an actual mention" decision made during the original rendering for implementation
|
|
# simplicity. As a result, the only flag to consider applying here is read.
|
|
um = UserMessageLite(
|
|
user_profile_id=user_profile_id,
|
|
message_id=message_id,
|
|
flags=UserMessage.flags.read,
|
|
)
|
|
ums_to_create.append(um)
|
|
bulk_insert_ums(ums_to_create)
|
|
|
|
# Delete UserMessage objects for users who will no
|
|
# longer have access to these messages. Note: This could be
|
|
# very expensive, since it's N guest users x M messages.
|
|
UserMessage.objects.filter(
|
|
user_profile_id__in=[sub.user_profile_id for sub in subs_losing_usermessages],
|
|
message_id__in=changed_message_ids,
|
|
).delete()
|
|
|
|
delete_event: DeleteMessagesEvent = {
|
|
"type": "delete_message",
|
|
"message_ids": changed_message_ids,
|
|
"message_type": "stream",
|
|
"stream_id": stream_being_edited.id,
|
|
"topic": orig_topic_name,
|
|
}
|
|
send_event(user_profile.realm, delete_event, losing_access_user_ids)
|
|
|
|
# Reset the Attachment.is_*_public caches for all messages
|
|
# moved to another stream with different access permissions.
|
|
if new_stream.invite_only != stream_being_edited.invite_only:
|
|
Attachment.objects.filter(messages__in=changed_message_ids).update(
|
|
is_realm_public=None,
|
|
)
|
|
ArchivedAttachment.objects.filter(messages__in=changed_message_ids).update(
|
|
is_realm_public=None,
|
|
)
|
|
|
|
if new_stream.is_web_public != stream_being_edited.is_web_public:
|
|
Attachment.objects.filter(messages__in=changed_message_ids).update(
|
|
is_web_public=None,
|
|
)
|
|
ArchivedAttachment.objects.filter(messages__in=changed_message_ids).update(
|
|
is_web_public=None,
|
|
)
|
|
|
|
# This does message.save(update_fields=[...])
|
|
save_message_for_edit_use_case(message=target_message)
|
|
|
|
realm_id: Optional[int] = None
|
|
if stream_being_edited is not None:
|
|
realm_id = stream_being_edited.realm_id
|
|
|
|
event["message_ids"] = update_to_dict_cache(changed_messages, realm_id)
|
|
|
|
def user_info(um: UserMessage) -> Dict[str, Any]:
|
|
return {
|
|
"id": um.user_profile_id,
|
|
"flags": um.flags_list(),
|
|
}
|
|
|
|
# The following blocks arranges that users who are subscribed to a
|
|
# stream and can see history from before they subscribed get
|
|
# live-update when old messages are edited (e.g. if the user does
|
|
# a topic edit themself).
|
|
#
|
|
# We still don't send an update event to users who are not
|
|
# subscribed to this stream and don't have a UserMessage row. This
|
|
# means if a non-subscriber is viewing the narrow, they won't get
|
|
# a real-time updates. This is a balance between sending
|
|
# message-edit notifications for every public stream to every user
|
|
# in the organization (too expansive, and also not what we do for
|
|
# newly sent messages anyway) and having magical live-updates
|
|
# where possible.
|
|
users_to_be_notified = list(map(user_info, ums))
|
|
if stream_being_edited is not None and stream_being_edited.is_history_public_to_subscribers():
|
|
subscriptions = get_active_subscriptions_for_stream_id(
|
|
stream_id, include_deactivated_users=False
|
|
)
|
|
# We exclude long-term idle users, since they by
|
|
# definition have no active clients.
|
|
subscriptions = subscriptions.exclude(user_profile__long_term_idle=True)
|
|
# Remove duplicates by excluding the id of users already
|
|
# in users_to_be_notified list. This is the case where a
|
|
# user both has a UserMessage row and is a current
|
|
# Subscriber
|
|
subscriptions = subscriptions.exclude(
|
|
user_profile_id__in=[um.user_profile_id for um in ums]
|
|
)
|
|
|
|
if new_stream is not None:
|
|
subscriptions = subscriptions.exclude(user_profile_id__in=losing_access_user_ids)
|
|
|
|
# All users that are subscribed to the stream must be
|
|
# notified when a message is edited
|
|
subscriber_ids = set(subscriptions.values_list("user_profile_id", flat=True))
|
|
|
|
if new_stream is not None:
|
|
# TODO: Guest users don't see the new moved topic
|
|
# unless breadcrumb message for new stream is
|
|
# enabled. Excluding these users from receiving this
|
|
# event helps us avoid a error traceback for our
|
|
# clients. We should figure out a way to inform the
|
|
# guest users of this new topic if sending a 'message'
|
|
# event for these messages is not an option.
|
|
#
|
|
# Don't send this event to guest subs who are not
|
|
# subscribers of the old stream but are subscribed to
|
|
# the new stream; clients will be confused.
|
|
old_stream_unsubbed_guests = [
|
|
sub
|
|
for sub in subs_to_new_stream
|
|
if sub.user_profile.is_guest and sub.user_profile_id not in subscriber_ids
|
|
]
|
|
subscriptions = subscriptions.exclude(
|
|
user_profile_id__in=[sub.user_profile_id for sub in old_stream_unsubbed_guests]
|
|
)
|
|
subscriber_ids = set(subscriptions.values_list("user_profile_id", flat=True))
|
|
|
|
users_to_be_notified += list(map(subscriber_info, sorted(subscriber_ids)))
|
|
|
|
# UserTopic updates and the content of notifications depend on
|
|
# whether we've moved the entire topic, or just part of it. We
|
|
# make that determination here.
|
|
moved_all_visible_messages = False
|
|
if topic_name is not None or new_stream is not None:
|
|
assert stream_being_edited is not None
|
|
|
|
if propagate_mode == "change_all":
|
|
moved_all_visible_messages = True
|
|
else:
|
|
# With other propagate modes, if the user in fact moved
|
|
# all messages in the stream, we want to explain it was a
|
|
# full-topic move.
|
|
#
|
|
# For security model reasons, we don't want to allow a
|
|
# user to take any action that would leak information
|
|
# about older messages they cannot access (E.g. the only
|
|
# remaining messages are in a stream without shared
|
|
# history). The bulk_access_messages call below addresses
|
|
# that concern.
|
|
#
|
|
# bulk_access_messages is inefficient for this task, since
|
|
# we just want to do the exists() version of this
|
|
# query. But it's nice to reuse code, and this bulk
|
|
# operation is likely cheaper than a `GET /messages`
|
|
# unless the topic has thousands of messages of history.
|
|
assert stream_being_edited.recipient_id is not None
|
|
unmoved_messages = messages_for_topic(
|
|
stream_being_edited.recipient_id,
|
|
orig_topic_name,
|
|
)
|
|
visible_unmoved_messages = bulk_access_messages(
|
|
user_profile, unmoved_messages, stream=stream_being_edited
|
|
)
|
|
moved_all_visible_messages = len(visible_unmoved_messages) == 0
|
|
|
|
# Migrate 'topic with visibility_policy' configuration in the following
|
|
# circumstances:
|
|
#
|
|
# * If propagate_mode is change_all, do so unconditionally.
|
|
#
|
|
# * If propagate_mode is change_later or change_one, do so when
|
|
# the acting user has moved the entire topic (as visible to them).
|
|
#
|
|
# This rule corresponds to checking moved_all_visible_messages.
|
|
if moved_all_visible_messages:
|
|
assert stream_being_edited is not None
|
|
assert target_stream is not None
|
|
assert target_topic is not None
|
|
|
|
stream_inaccessible_to_user_profiles: List[UserProfile] = []
|
|
orig_topic_user_profile_to_visibility_policy: Dict[UserProfile, int] = {}
|
|
target_topic_user_profile_to_visibility_policy: Dict[UserProfile, int] = {}
|
|
for user_topic in get_users_with_user_topic_visibility_policy(
|
|
stream_being_edited.id, orig_topic_name
|
|
):
|
|
if new_stream is not None and user_topic.user_profile_id in losing_access_user_ids:
|
|
stream_inaccessible_to_user_profiles.append(user_topic.user_profile)
|
|
else:
|
|
orig_topic_user_profile_to_visibility_policy[
|
|
user_topic.user_profile
|
|
] = user_topic.visibility_policy
|
|
|
|
for user_topic in get_users_with_user_topic_visibility_policy(
|
|
target_stream.id, target_topic
|
|
):
|
|
target_topic_user_profile_to_visibility_policy[
|
|
user_topic.user_profile
|
|
] = user_topic.visibility_policy
|
|
|
|
# User profiles having any of the visibility policies set for either the original or target topic.
|
|
user_profiles_having_visibility_policy: Set[UserProfile] = set(
|
|
itertools.chain(
|
|
orig_topic_user_profile_to_visibility_policy.keys(),
|
|
target_topic_user_profile_to_visibility_policy.keys(),
|
|
)
|
|
)
|
|
|
|
user_profiles_for_visibility_policy_pair: Dict[
|
|
Tuple[int, int], List[UserProfile]
|
|
] = defaultdict(list)
|
|
for user_profile_with_policy in user_profiles_having_visibility_policy:
|
|
if user_profile_with_policy not in target_topic_user_profile_to_visibility_policy:
|
|
target_topic_user_profile_to_visibility_policy[
|
|
user_profile_with_policy
|
|
] = UserTopic.VisibilityPolicy.INHERIT
|
|
elif user_profile_with_policy not in orig_topic_user_profile_to_visibility_policy:
|
|
orig_topic_user_profile_to_visibility_policy[
|
|
user_profile_with_policy
|
|
] = UserTopic.VisibilityPolicy.INHERIT
|
|
|
|
orig_topic_visibility_policy = orig_topic_user_profile_to_visibility_policy[
|
|
user_profile_with_policy
|
|
]
|
|
target_topic_visibility_policy = target_topic_user_profile_to_visibility_policy[
|
|
user_profile_with_policy
|
|
]
|
|
user_profiles_for_visibility_policy_pair[
|
|
(orig_topic_visibility_policy, target_topic_visibility_policy)
|
|
].append(user_profile_with_policy)
|
|
|
|
# If the messages are being moved to a stream the user
|
|
# cannot access, then we treat this as the
|
|
# messages/topic being deleted for this user. This is
|
|
# important for security reasons; we don't want to
|
|
# give users a UserTopic row in a stream they cannot
|
|
# access. Remove the user topic rows for such users.
|
|
bulk_do_set_user_topic_visibility_policy(
|
|
stream_inaccessible_to_user_profiles,
|
|
stream_being_edited,
|
|
orig_topic_name,
|
|
visibility_policy=UserTopic.VisibilityPolicy.INHERIT,
|
|
)
|
|
|
|
# If the messages are being moved to a stream the user
|
|
# can access. We move the user topic records for such
|
|
# users, but removing the old topic visibility_policy
|
|
# and then creating a new one.
|
|
#
|
|
# Algorithm used for the 'merge userTopic states' case:
|
|
# Using the 'user_profiles_for_visibility_policy_pair' dictionary,
|
|
# we have 'orig_topic_visibility_policy', 'target_topic_visibility_policy',
|
|
# and a list of 'user_profiles' having the mentioned visibility policies.
|
|
#
|
|
# For every 'orig_topic_visibility_policy and target_topic_visibility_policy' pair,
|
|
# we determine the final visibility_policy that should be after the merge.
|
|
# Update the visibility_policy for the concerned set of user_profiles.
|
|
for (
|
|
visibility_policy_pair,
|
|
user_profiles,
|
|
) in user_profiles_for_visibility_policy_pair.items():
|
|
orig_topic_visibility_policy, target_topic_visibility_policy = visibility_policy_pair
|
|
|
|
if orig_topic_visibility_policy != UserTopic.VisibilityPolicy.INHERIT:
|
|
bulk_do_set_user_topic_visibility_policy(
|
|
user_profiles,
|
|
stream_being_edited,
|
|
orig_topic_name,
|
|
visibility_policy=UserTopic.VisibilityPolicy.INHERIT,
|
|
# bulk_do_set_user_topic_visibility_policy with visibility_policy
|
|
# set to 'new_visibility_policy' will send an updated muted topic
|
|
# event, which contains the full set of muted
|
|
# topics, just after this.
|
|
skip_muted_topics_event=True,
|
|
)
|
|
|
|
new_visibility_policy = orig_topic_visibility_policy
|
|
|
|
if target_topic_has_messages:
|
|
# Here, we handle the complex case when target_topic already has
|
|
# some messages. We determine the resultant visibility_policy
|
|
# based on the visibility_policy of the orig_topic + target_topic.
|
|
# Finally, bulk_update the user_topic rows with the new visibility_policy.
|
|
new_visibility_policy = get_visibility_policy_after_merge(
|
|
orig_topic_visibility_policy, target_topic_visibility_policy
|
|
)
|
|
if new_visibility_policy == target_topic_visibility_policy:
|
|
continue
|
|
bulk_do_set_user_topic_visibility_policy(
|
|
user_profiles,
|
|
target_stream,
|
|
target_topic,
|
|
visibility_policy=new_visibility_policy,
|
|
)
|
|
else:
|
|
# This corresponds to the case when messages are moved
|
|
# to a stream-topic pair that didn't exist. There can
|
|
# still be UserTopic rows for the stream-topic pair
|
|
# that didn't exist if the messages in that topic had
|
|
# been deleted.
|
|
if new_visibility_policy == target_topic_visibility_policy:
|
|
# This avoids unnecessary db operations and INFO logs.
|
|
continue
|
|
bulk_do_set_user_topic_visibility_policy(
|
|
user_profiles,
|
|
target_stream,
|
|
target_topic,
|
|
visibility_policy=new_visibility_policy,
|
|
)
|
|
|
|
send_event(user_profile.realm, event, users_to_be_notified)
|
|
|
|
resolved_topic_message_id = None
|
|
if topic_name is not None and content is None and len(changed_messages) > 0:
|
|
# When stream is changed and topic is marked as resolved or unresolved
|
|
# in the same API request, resolved or unresolved notification should
|
|
# be sent to "new_stream".
|
|
# In general, it is sent to "stream_being_edited".
|
|
stream_to_send_resolve_topic_notification = stream_being_edited
|
|
if new_stream is not None:
|
|
stream_to_send_resolve_topic_notification = new_stream
|
|
|
|
assert stream_to_send_resolve_topic_notification is not None
|
|
resolved_topic_message_id = maybe_send_resolve_topic_notifications(
|
|
user_profile=user_profile,
|
|
stream=stream_to_send_resolve_topic_notification,
|
|
old_topic=orig_topic_name,
|
|
new_topic=topic_name,
|
|
changed_messages=changed_messages,
|
|
)
|
|
|
|
if (
|
|
len(changed_messages) > 0
|
|
and (new_stream is not None or topic_name is not None)
|
|
and stream_being_edited is not None
|
|
):
|
|
# Notify users that the topic was moved.
|
|
changed_messages_count = len(changed_messages)
|
|
|
|
old_thread_notification_string = None
|
|
if send_notification_to_old_thread:
|
|
if moved_all_visible_messages:
|
|
old_thread_notification_string = gettext_lazy(
|
|
"This topic was moved to {new_location} by {user}."
|
|
)
|
|
elif changed_messages_count == 1:
|
|
old_thread_notification_string = gettext_lazy(
|
|
"A message was moved from this topic to {new_location} by {user}."
|
|
)
|
|
else:
|
|
old_thread_notification_string = gettext_lazy(
|
|
"{changed_messages_count} messages were moved from this topic to {new_location} by {user}."
|
|
)
|
|
|
|
# The new thread notification code path is a bit subtle. We
|
|
# don't want every resolve-topic action to also annoyingly
|
|
# send an extra notification that the topic was moved!
|
|
#
|
|
# Since one can resolve/unresolve a topic at the same time
|
|
# you're moving it, we need to carefully treat the resolve
|
|
# topic notification as satisfying our obligation to send a
|
|
# notification to the new topic only if the only thing this
|
|
# request did is mark the topic as resolved.
|
|
new_thread_notification_string = None
|
|
if send_notification_to_new_thread and (
|
|
new_stream is not None
|
|
or not resolved_topic_message_id
|
|
or (
|
|
pre_truncation_topic_name is not None
|
|
and orig_topic_name.lstrip(RESOLVED_TOPIC_PREFIX)
|
|
!= pre_truncation_topic_name.lstrip(RESOLVED_TOPIC_PREFIX)
|
|
)
|
|
):
|
|
stream_for_new_topic = new_stream if new_stream is not None else stream_being_edited
|
|
assert stream_for_new_topic.recipient_id is not None
|
|
|
|
new_topic = topic_name if topic_name is not None else orig_topic_name
|
|
|
|
changed_message_ids = [changed_message.id for changed_message in changed_messages]
|
|
|
|
# We calculate whether the user moved the entire topic
|
|
# using that user's own permissions, which is important to
|
|
# avoid leaking information about whether there are
|
|
# messages in the destination topic's deeper history that
|
|
# the acting user does not have permission to access.
|
|
#
|
|
# TODO: These queries are quite inefficient, in that we're
|
|
# fetching full copies of all the messages in the
|
|
# destination topic to answer the question of whether the
|
|
# current user has access to at least one such message.
|
|
#
|
|
# The main strength of the current implementation is that
|
|
# it reuses existing logic, which is good for keeping it
|
|
# correct as we maintain the codebase.
|
|
preexisting_topic_messages = messages_for_topic(
|
|
stream_for_new_topic.recipient_id, new_topic
|
|
).exclude(id__in=[*changed_message_ids, resolved_topic_message_id])
|
|
|
|
visible_preexisting_messages = bulk_access_messages(
|
|
user_profile, preexisting_topic_messages, stream=stream_for_new_topic
|
|
)
|
|
|
|
no_visible_preexisting_messages = len(visible_preexisting_messages) == 0
|
|
|
|
if no_visible_preexisting_messages and moved_all_visible_messages:
|
|
new_thread_notification_string = gettext_lazy(
|
|
"This topic was moved here from {old_location} by {user}."
|
|
)
|
|
else:
|
|
if changed_messages_count == 1:
|
|
new_thread_notification_string = gettext_lazy(
|
|
"[A message]({message_link}) was moved here from {old_location} by {user}."
|
|
)
|
|
else:
|
|
new_thread_notification_string = gettext_lazy(
|
|
"{changed_messages_count} messages were moved here from {old_location} by {user}."
|
|
)
|
|
|
|
send_message_moved_breadcrumbs(
|
|
target_message,
|
|
user_profile,
|
|
stream_being_edited,
|
|
orig_topic_name,
|
|
old_thread_notification_string,
|
|
new_stream if new_stream is not None else stream_being_edited,
|
|
topic_name,
|
|
new_thread_notification_string,
|
|
changed_messages_count,
|
|
)
|
|
|
|
return len(changed_messages)
|
|
|
|
|
|
def check_time_limit_for_change_all_propagate_mode(
|
|
message: Message,
|
|
user_profile: UserProfile,
|
|
topic_name: Optional[str] = None,
|
|
stream_id: Optional[int] = None,
|
|
) -> None:
|
|
realm = user_profile.realm
|
|
message_move_limit_buffer = 20
|
|
|
|
topic_edit_deadline_seconds = None
|
|
if topic_name is not None and realm.move_messages_within_stream_limit_seconds is not None:
|
|
# We set topic_edit_deadline_seconds only if topic is actually
|
|
# changed and there is some time limit to edit topic.
|
|
topic_edit_deadline_seconds = (
|
|
realm.move_messages_within_stream_limit_seconds + message_move_limit_buffer
|
|
)
|
|
|
|
stream_edit_deadline_seconds = None
|
|
if stream_id is not None and realm.move_messages_between_streams_limit_seconds is not None:
|
|
# We set stream_edit_deadline_seconds only if stream is
|
|
# actually changed and there is some time limit to edit
|
|
# stream.
|
|
stream_edit_deadline_seconds = (
|
|
realm.move_messages_between_streams_limit_seconds + message_move_limit_buffer
|
|
)
|
|
|
|
# Calculate whichever of the applicable topic and stream moving
|
|
# limits is stricter, and use that.
|
|
if topic_edit_deadline_seconds is not None and stream_edit_deadline_seconds is not None:
|
|
# When both stream and topic are changed, we consider the
|
|
# minimum of the two limits to make sure that we raise the
|
|
# error even when user cannot change one of topic or stream.
|
|
message_move_deadline_seconds = min(
|
|
topic_edit_deadline_seconds, stream_edit_deadline_seconds
|
|
)
|
|
elif topic_edit_deadline_seconds is not None:
|
|
message_move_deadline_seconds = topic_edit_deadline_seconds
|
|
elif stream_edit_deadline_seconds is not None:
|
|
message_move_deadline_seconds = stream_edit_deadline_seconds
|
|
else:
|
|
# There is no applicable time limit for this move request, so
|
|
# approve it.
|
|
return
|
|
|
|
stream = get_stream_by_id_in_realm(message.recipient.type_id, realm)
|
|
|
|
if not can_access_stream_history(user_profile, stream):
|
|
# If the user doesn't have full access to the stream's
|
|
# history, check if the user can move the entire portion that
|
|
# they do have access to.
|
|
accessible_messages_in_topic = UserMessage.objects.filter(
|
|
user_profile=user_profile,
|
|
message__recipient_id=message.recipient_id,
|
|
message__subject__iexact=message.topic_name(),
|
|
).values_list("message_id", flat=True)
|
|
messages_allowed_to_move: List[int] = list(
|
|
Message.objects.filter(
|
|
id__in=accessible_messages_in_topic,
|
|
date_sent__gt=timezone_now()
|
|
- datetime.timedelta(seconds=message_move_deadline_seconds),
|
|
)
|
|
.order_by("date_sent")
|
|
.values_list("id", flat=True)
|
|
)
|
|
total_messages_requested_to_move = len(accessible_messages_in_topic)
|
|
else:
|
|
all_messages_in_topic = (
|
|
messages_for_topic(message.recipient_id, message.topic_name())
|
|
.order_by("id")
|
|
.values_list("id", "date_sent")
|
|
)
|
|
oldest_allowed_message_date = timezone_now() - datetime.timedelta(
|
|
seconds=message_move_deadline_seconds
|
|
)
|
|
messages_allowed_to_move = [
|
|
message[0]
|
|
for message in all_messages_in_topic
|
|
if message[1] > oldest_allowed_message_date
|
|
]
|
|
total_messages_requested_to_move = len(all_messages_in_topic)
|
|
|
|
if total_messages_requested_to_move == len(messages_allowed_to_move):
|
|
# We return if all messages are allowed to move.
|
|
return
|
|
|
|
raise MessageMoveError(
|
|
first_message_id_allowed_to_move=messages_allowed_to_move[0],
|
|
total_messages_in_topic=total_messages_requested_to_move,
|
|
total_messages_allowed_to_move=len(messages_allowed_to_move),
|
|
)
|
|
|
|
|
|
@transaction.atomic(durable=True)
|
|
def check_update_message(
|
|
user_profile: UserProfile,
|
|
message_id: int,
|
|
stream_id: Optional[int] = None,
|
|
topic_name: Optional[str] = None,
|
|
propagate_mode: str = "change_one",
|
|
send_notification_to_old_thread: bool = True,
|
|
send_notification_to_new_thread: bool = True,
|
|
content: Optional[str] = None,
|
|
) -> int:
|
|
"""This will update a message given the message id and user profile.
|
|
It checks whether the user profile has the permission to edit the message
|
|
and raises a JsonableError if otherwise.
|
|
It returns the number changed.
|
|
"""
|
|
message, ignored_user_message = access_message(user_profile, message_id, lock_message=True)
|
|
|
|
if content is not None and not user_profile.realm.allow_message_editing:
|
|
raise JsonableError(_("Your organization has turned off message editing"))
|
|
|
|
# The zerver/views/message_edit.py call point already strips this
|
|
# via REQ_topic; so we can delete this line if we arrange a
|
|
# contract where future callers in the embedded bots system strip
|
|
# use REQ_topic as well (or otherwise are guaranteed to strip input).
|
|
if topic_name is not None:
|
|
topic_name = topic_name.strip()
|
|
if topic_name == message.topic_name():
|
|
topic_name = None
|
|
|
|
validate_message_edit_payload(message, stream_id, topic_name, propagate_mode, content)
|
|
|
|
if (
|
|
content is not None
|
|
# You cannot edit the content of message sent by someone else.
|
|
and message.sender_id != user_profile.id
|
|
):
|
|
raise JsonableError(_("You don't have permission to edit this message"))
|
|
|
|
if topic_name is not None and not user_profile.can_move_messages_to_another_topic():
|
|
raise JsonableError(_("You don't have permission to edit this message"))
|
|
|
|
# If there is a change to the content, check that it hasn't been too long
|
|
# Allow an extra 20 seconds since we potentially allow editing 15 seconds
|
|
# past the limit, and in case there are network issues, etc. The 15 comes
|
|
# from (min_seconds_to_edit + seconds_left_buffer) in message_edit.js; if
|
|
# you change this value also change those two parameters in message_edit.js.
|
|
edit_limit_buffer = 20
|
|
if content is not None and user_profile.realm.message_content_edit_limit_seconds is not None:
|
|
deadline_seconds = user_profile.realm.message_content_edit_limit_seconds + edit_limit_buffer
|
|
if (timezone_now() - message.date_sent) > datetime.timedelta(seconds=deadline_seconds):
|
|
raise JsonableError(_("The time limit for editing this message has passed"))
|
|
|
|
# If there is a change to the topic, check that the user is allowed to
|
|
# edit it and that it has not been too long. If user is not admin or moderator,
|
|
# and the time limit for editing topics is passed, raise an error.
|
|
if (
|
|
topic_name is not None
|
|
and user_profile.realm.move_messages_within_stream_limit_seconds is not None
|
|
and not user_profile.is_realm_admin
|
|
and not user_profile.is_moderator
|
|
):
|
|
deadline_seconds = (
|
|
user_profile.realm.move_messages_within_stream_limit_seconds + edit_limit_buffer
|
|
)
|
|
if (timezone_now() - message.date_sent) > datetime.timedelta(seconds=deadline_seconds):
|
|
raise JsonableError(_("The time limit for editing this message's topic has passed."))
|
|
|
|
rendering_result = None
|
|
links_for_embed: Set[str] = set()
|
|
prior_mention_user_ids: Set[int] = set()
|
|
mention_data: Optional[MentionData] = None
|
|
if content is not None:
|
|
if content.rstrip() == "":
|
|
content = "(deleted)"
|
|
content = normalize_body(content)
|
|
|
|
mention_backend = MentionBackend(user_profile.realm_id)
|
|
mention_data = MentionData(
|
|
mention_backend=mention_backend,
|
|
content=content,
|
|
)
|
|
prior_mention_user_ids = get_mentions_for_message_updates(message.id)
|
|
|
|
# We render the message using the current user's realm; since
|
|
# the cross-realm bots never edit messages, this should be
|
|
# always correct.
|
|
# Note: If rendering fails, the called code will raise a JsonableError.
|
|
rendering_result = render_incoming_message(
|
|
message,
|
|
content,
|
|
user_profile.realm,
|
|
mention_data=mention_data,
|
|
)
|
|
links_for_embed |= rendering_result.links_for_preview
|
|
|
|
if message.is_stream_message() and rendering_result.has_wildcard_mention():
|
|
stream = access_stream_by_id(user_profile, message.recipient.type_id)[0]
|
|
if not wildcard_mention_allowed(message.sender, stream):
|
|
raise JsonableError(
|
|
_("You do not have permission to use wildcard mentions in this stream.")
|
|
)
|
|
|
|
if rendering_result.mentions_user_group_ids:
|
|
mentioned_group_ids = list(rendering_result.mentions_user_group_ids)
|
|
check_user_group_mention_allowed(user_profile, mentioned_group_ids)
|
|
|
|
new_stream = None
|
|
number_changed = 0
|
|
|
|
if stream_id is not None:
|
|
assert message.is_stream_message()
|
|
if not user_profile.can_move_messages_between_streams():
|
|
raise JsonableError(_("You don't have permission to move this message"))
|
|
try:
|
|
access_stream_by_id(user_profile, message.recipient.type_id)
|
|
except JsonableError:
|
|
raise JsonableError(
|
|
_(
|
|
"You don't have permission to move this message due to missing access to its stream"
|
|
)
|
|
)
|
|
|
|
new_stream = access_stream_by_id(user_profile, stream_id, require_active=True)[0]
|
|
check_stream_access_based_on_stream_post_policy(user_profile, new_stream)
|
|
|
|
if (
|
|
user_profile.realm.move_messages_between_streams_limit_seconds is not None
|
|
and not user_profile.is_realm_admin
|
|
and not user_profile.is_moderator
|
|
):
|
|
deadline_seconds = (
|
|
user_profile.realm.move_messages_between_streams_limit_seconds + edit_limit_buffer
|
|
)
|
|
if (timezone_now() - message.date_sent) > datetime.timedelta(seconds=deadline_seconds):
|
|
raise JsonableError(
|
|
_("The time limit for editing this message's stream has passed")
|
|
)
|
|
|
|
if (
|
|
propagate_mode == "change_all"
|
|
and not user_profile.is_realm_admin
|
|
and not user_profile.is_moderator
|
|
and (topic_name is not None or stream_id is not None)
|
|
):
|
|
check_time_limit_for_change_all_propagate_mode(message, user_profile, topic_name, stream_id)
|
|
|
|
number_changed = do_update_message(
|
|
user_profile,
|
|
message,
|
|
new_stream,
|
|
topic_name,
|
|
propagate_mode,
|
|
send_notification_to_old_thread,
|
|
send_notification_to_new_thread,
|
|
content,
|
|
rendering_result,
|
|
prior_mention_user_ids,
|
|
mention_data,
|
|
)
|
|
|
|
if links_for_embed:
|
|
event_data = {
|
|
"message_id": message.id,
|
|
"message_content": message.content,
|
|
# The choice of `user_profile.realm_id` rather than
|
|
# `sender.realm_id` must match the decision made in the
|
|
# `render_incoming_message` call earlier in this function.
|
|
"message_realm_id": user_profile.realm_id,
|
|
"urls": list(links_for_embed),
|
|
}
|
|
queue_json_publish("embed_links", event_data)
|
|
|
|
return number_changed
|