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			820 lines
		
	
	
		
			36 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			820 lines
		
	
	
		
			36 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
import logging
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from dataclasses import dataclass
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from datetime import timedelta
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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, QuerySet
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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 override as override_language
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from zerver.actions.message_send import (
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    do_send_messages,
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    internal_prep_group_direct_message,
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    internal_prep_stream_message,
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)
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from zerver.lib.exceptions import JsonableError
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from zerver.lib.message import SendMessageRequest, remove_single_newlines
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from zerver.lib.topic import messages_for_topic
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from zerver.models.realm_audit_logs import AuditLogEventType, RealmAuditLog
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from zerver.models.realms import Realm
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from zerver.models.streams import StreamTopicsPolicyEnum
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from zerver.models.users import UserProfile, get_system_bot
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@dataclass
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class ZulipUpdateAnnouncement:
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    level: int
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    message: str
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# We don't translate the announcement message because they are quite unlikely to be
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# translated during the time between when we draft them and when they are published.
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zulip_update_announcements: list[ZulipUpdateAnnouncement] = [
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    ZulipUpdateAnnouncement(
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        level=1,
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        message="""
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Zulip is introducing **Zulip updates**! To help you learn about new features and
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configuration options, this topic will receive messages about important changes in Zulip.
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You can read these update messages whenever it's convenient, or [mute]({mute_topic_help_url})
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this topic if you are not interested. If your organization does not want to receive these
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announcements, they can be disabled. [Learn more]({zulip_update_announcements_help_url}).
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""".format(
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            zulip_update_announcements_help_url="/help/configure-automated-notices#zulip-update-announcements",
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            mute_topic_help_url="/help/mute-a-topic",
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        ),
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    ),
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    ZulipUpdateAnnouncement(
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        level=2,
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        message="""
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**Web and desktop updates**
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- When you paste content into the compose box, Zulip will now do its best to preserve
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the formatting, including links, bulleted lists, bold, italics, and more.
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Pasting as plain text remains an alternative option. [Learn
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more]({keyboard_shortcuts_basics_help_url}).
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- To [quote and reply]({quote_message_help_url}) to part of a message, you can
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now select the part that you want to quote.
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- You can now hide the user list in the right sidebar to reduce distraction.
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[Learn more]({user_list_help_url}).
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""".format(
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            keyboard_shortcuts_basics_help_url="/help/keyboard-shortcuts#the-basics",
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            user_list_help_url="/help/user-list",
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            quote_message_help_url="/help/quote-and-reply",
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        ),
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    ),
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    ZulipUpdateAnnouncement(
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        level=3,
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        message="""
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- The **All messages** view has been renamed to **Combined feed**.
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[Learn more]({combined_feed_help_url}).
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**Web and desktop updates**
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- When you start composing, the most recently edited draft for the conversation
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you are composing to now automatically appears in the compose box. You can
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always save a draft and start a new message using the **send options** menu next
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to the **Send** button. [Learn more]({save_draft_help_url}).
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- If you'd prefer not to see notifications when others type, you can now disable
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them. [Learn more]({typing_notifications_help_url}).
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""".format(
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            typing_notifications_help_url="/help/typing-notifications",
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            combined_feed_help_url="/help/combined-feed",
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            save_draft_help_url="/help/view-and-edit-your-message-drafts#save-a-draft-and-start-a-new-message",
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        ),
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    ),
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    ZulipUpdateAnnouncement(
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        level=4,
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        message="""
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- To simplify Zulip for new users, **Streams** have been renamed to **Channels**.
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The functionality remains exactly the same, and bots do not need
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to be updated. [Learn more]({introduction_to_channels_help_url}).
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- Topics and messages now load much faster when you open the web or desktop app.
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""".format(
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            introduction_to_channels_help_url="/help/introduction-to-channels",
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        ),
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    ),
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    ZulipUpdateAnnouncement(
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        level=5,
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        message="""
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**Web and desktop updates**
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- Use the new **Reactions** view to see how others have reacted to your
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messages. [Learn more]({view_your_messages_with_reactions_help_url}).
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- For a more focused reading experience, you can now hide the
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[left]({left_sidebar_help_url}) and [right]({user_list_help_url})
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sidebars any time using the buttons in the top navigation bar. When the left
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sidebar is hidden, use [keyboard
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navigation]({keyboard_shortcuts_navigation_help_url}) to jump to the next unread
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topic or go back to your [home view]({configure_home_view_help_url}).
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- You can now search for messages in topics you
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  [follow]({follow_a_topic_help_url}) using the `is:followed` filter. [Learn
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  more]({search_by_message_status_help_url}).
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""".format(
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            view_your_messages_with_reactions_help_url="/help/emoji-reactions#view-your-messages-with-reactions",
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            left_sidebar_help_url="/help/left-sidebar",
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            user_list_help_url="/help/user-list",
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            keyboard_shortcuts_navigation_help_url="/help/keyboard-shortcuts#navigation",
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            configure_home_view_help_url="/help/configure-home-view",
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            follow_a_topic_help_url="/help/follow-a-topic",
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            search_by_message_status_help_url="/help/search-for-messages#search-by-message-status",
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        ),
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    ),
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    ZulipUpdateAnnouncement(
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        level=6,
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        message="""
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**Web and desktop updates**
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- You can now configure whether channel links in the left sidebar go to the most
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recent topic (default option), or to the channel feed. With the default
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configuration, you can access the feed from the channel menu.
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[Learn more]({channel_feed_help_url}).
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- You can also [configure]({automatically_go_to_conversation_help_url}) whether Zulip
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automatically takes you to the conversation to which you sent a message, if you
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aren't already viewing it (on by default).
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- You can now [filter]({find_a_dm_conversation_help_url}) direct message
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conversations in the left sidebar to conversations that include a specific
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person.
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""".format(
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            channel_feed_help_url="/help/channel-feed",
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            automatically_go_to_conversation_help_url="/help/mastering-the-compose-box#automatically-go-to-conversation-where-you-sent-a-message",
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            find_a_dm_conversation_help_url="/help/direct-messages#find-a-direct-message-conversation",
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        ),
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    ),
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    ZulipUpdateAnnouncement(
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        level=7,
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        message="""
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**Web and desktop updates**
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- To make reading more comfortable, Zulip has been redesigned with a larger font
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size and line spacing. If you prefer to see more content at once, [enable
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compact mode]({settings_preferences_url}) to go back to the previous design.
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- The main search has been redesigned with pills for [search
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filters]({search_help_url}), making it easier to use.
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- Pasted [channel and topic URLs]({link_help_url}) are now automatically
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converted into nicely formatted links.
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""".format(
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            settings_preferences_url="/#settings/preferences",
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            search_help_url="/help/search-for-messages",
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            link_help_url="/help/link-to-a-message-or-conversation",
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        ),
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    ),
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    ZulipUpdateAnnouncement(
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        level=8,
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        message=(
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            """
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- New image uploads now load much faster in all Zulip apps.
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- In the desktop and web apps, you can now [configure]({image_previews_help_url})
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previews of animated images to **always show** the animation, show it **when you
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hover** over the image with your mouse (default), or **not show** it at all. You can
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always see the animated image by opening it in the [image
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viewer]({view_images_help_url})."""
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            + (
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                """
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We make many improvements to Zulip beyond what we can share here. Learn about
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additional feature highlights, and other Zulip project updates since December
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2023, in the [blog post]({blog_post_9_0_url}) announcing today's release of
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Zulip Server 9.0.
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"""
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                if settings.CORPORATE_ENABLED
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                else """
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We make many improvements to Zulip beyond what we can share here. Check out our
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[release announcement blog post]({blog_post_9_0_url}) to learn about additional
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feature highlights in Zulip Server 9.0, and other Zulip project updates.
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"""
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            )
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        ).format(
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            image_previews_help_url="/help/allow-image-link-previews",
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            view_images_help_url="/help/view-images-and-videos",
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            blog_post_9_0_url="https://blog.zulip.com/zulip-server-9-0",
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        ),
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    ),
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    ZulipUpdateAnnouncement(
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        level=9,
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        message=(
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            (
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                """
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- You can now [upload large files]({file_upload_limits_help_url}) up to
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  1 GB in organizations on Zulip Cloud
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  Standard or Zulip Cloud Plus [plans]({cloud_plans_url}).
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"""
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                if settings.CORPORATE_ENABLED
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                else """
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- You can now [upload large files]({file_upload_limits_help_url}), up to
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  the limit configured by your server's administrator (currently {max_file_upload_size} MB).
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"""
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            )
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            + """
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**Web and desktop updates**
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- You can now start a new conversation from the left sidebar. Click the `+`
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button next to the name of a channel to [start a new
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topic]({how_to_start_a_new_topic_help_url}) in that channel, or the `+` next to
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DIRECT MESSAGES to [start a DM]({starting_a_new_direct_message_help_url}).
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- The [user list]({user_list_help_url}) now shows recent participants in the
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  conversation you're viewing.
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"""
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        ).format(
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            how_to_start_a_new_topic_help_url="/help/introduction-to-topics#how-to-start-a-new-topic",
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            starting_a_new_direct_message_help_url="/help/starting-a-new-direct-message",
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            user_list_help_url="/help/user-list",
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            cloud_plans_url="/plans/",
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            file_upload_limits_help_url="/help/share-and-upload-files#file-upload-limits",
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            max_file_upload_size=settings.MAX_FILE_UPLOAD_SIZE,
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        ),
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    ),
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    ZulipUpdateAnnouncement(
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        level=10,
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        message=(
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            """
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- Most permissions in Zulip can now be granted to any combination of
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  [roles]({roles_and_permissions_help_url}), [groups]({user_groups_help_url}),
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  and individual [users]({users_help_url}). Previously, permissions were
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  configurable only by user role."""
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            + (
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                """
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- Creating new user groups now requires a Zulip Cloud Standard or Zulip Cloud
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  Plus [plan]({cloud_plans_url}).
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"""
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                if settings.CORPORATE_ENABLED
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                else ""
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            )
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            + """
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**Web and desktop updates**
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- To provide more information, long topic names are now shown on two lines in
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  the left sidebar.
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- Pasted [message links]({message_links_help_url}) are now automatically
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  converted into nicely formatted links.
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"""
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        ).format(
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            roles_and_permissions_help_url="/help/roles-and-permissions",
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            user_groups_help_url="/help/user-groups",
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            users_help_url="/help/manage-a-user",
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            cloud_plans_url="/plans/",
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            message_links_help_url="/help/link-to-a-message-or-conversation#get-a-link-to-a-specific-message",
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        ),
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    ),
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    ZulipUpdateAnnouncement(
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        level=11,
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        message="""
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- Zulip’s next-gen mobile app is now in public beta. If offers a sleek new
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  design and a faster, smoother experience. [Check out the announcement
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  post]({flutter_beta_blog_post}) for details and instructions on how to try the
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  beta!
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**Web and desktop updates**
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- There's a [new option]({user_list_style_help_url}) to show avatars in the
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  user list.
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- You can now conveniently [forward]({quote_or_forward_help_url}) a message to
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  another conversation from the message menu.
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""".format(
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            flutter_beta_blog_post="https://blog.zulip.com/2024/12/12/new-flutter-mobile-app-beta/",
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            user_list_style_help_url="/help/user-list#configure-user-list-style",
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            quote_or_forward_help_url="/help/quote-or-forward-a-message",
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        ),
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    ),
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    ZulipUpdateAnnouncement(
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        level=12,
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        message="""
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- When you [link to a topic]({link_from_anywhere_help_url}) in Zulip, that link
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  will now continue to work even when the topic is
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  [renamed]({rename_a_topic_help_url}), [moved to another
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  channel]({move_content_to_another_channel_help_url}), or
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  [resolved]({resolve_a_topic_help_url}).
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**Web and desktop updates**
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- You can now [save snippets]({saved_snippets_help_url}) of message content, and
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quickly insert them into the message you're composing.
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- [Drafts]({drafts_help_url}) are no longer removed after 30 days.
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""".format(
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            link_from_anywhere_help_url="/help/link-to-a-message-or-conversation#link-to-zulip-from-anywhere",
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            rename_a_topic_help_url="/help/rename-a-topic",
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            move_content_to_another_channel_help_url="/help/move-content-to-another-channel",
 | 
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            resolve_a_topic_help_url="/help/resolve-a-topic",
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            saved_snippets_help_url="/help/saved-snippets",
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            drafts_help_url="/help/view-and-edit-your-message-drafts",
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        ),
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    ),
 | 
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    ZulipUpdateAnnouncement(
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        level=13,
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        message="""
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- Zulip channels have a new space for **chatting without a topic** (e.g., social
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  chatter or one-off requests). Channel messages sent without a topic (if
 | 
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  [allowed]({require_topics_url}) in your organization) now go to a special
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  *[“general chat”]({general_chat_url})* topic. Its name appears in italics, and
 | 
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  will be translated into [your language]({change_your_language_url}).
 | 
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- New channel permission settings let administrators **delegate channel
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  management** responsibilities. There are settings for [who can
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  administer]({who_can_administer_url}) each channel, and who can
 | 
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  [subscribe]({who_can_subscribe_url}) and
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  [unsubscribe]({who_can_unsubscribe_url}) other users. You can also
 | 
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  [give]({configure_who_can_subscribe_url}) users and
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  [groups]({user_groups_url}) permission to read and subscribe to a
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  [private channel]({private_channels_url}), just like everyone other
 | 
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  than guests can do with public channels.
 | 
						||
 | 
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**Web and desktop updates**
 | 
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- When you copy a Zulip link and paste it anywhere that accepts HTML formatting
 | 
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  (e.g., your email, GitHub, docs, etc.), the link will be formatted as it would
 | 
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  be in Zulip (e.g., [#channel > topic]({link_to_a_message_or_conversation_url})).
 | 
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- To [link]({link_to_a_message_or_conversation_url}) to a topic in the channel
 | 
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  you're composing to, you can now just type `#>` followed by a few letters from
 | 
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  the topic name, and pick the desired topic from the autocomplete.
 | 
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- There's a new compose box button for creating a [collaborative to-do
 | 
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  list]({to_do_list_url}).
 | 
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- You’ll now see a [typing notification]({typing_notifications_url}) when
 | 
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  someone is editing a message, not just for composing new messages.
 | 
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""".format(
 | 
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            require_topics_url="/help/require-topics",
 | 
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            general_chat_url="/help/general-chat-topic",
 | 
						||
            typing_notifications_url="/help/typing-notifications",
 | 
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            to_do_list_url="/help/collaborative-to-do-lists",
 | 
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            link_to_a_message_or_conversation_url="/help/link-to-a-message-or-conversation",
 | 
						||
            change_your_language_url="/help/change-your-language",
 | 
						||
            configure_who_can_subscribe_url="/help/configure-who-can-subscribe",
 | 
						||
            who_can_administer_url="/help/configure-who-can-administer-a-channel",
 | 
						||
            who_can_subscribe_url="/help/configure-who-can-invite-to-channels",
 | 
						||
            who_can_unsubscribe_url="/help/configure-who-can-unsubscribe-others",
 | 
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            user_groups_url="/help/user-groups",
 | 
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            private_channels_url="/help/channel-permissions#private-channels",
 | 
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        ),
 | 
						||
    ),
 | 
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    ZulipUpdateAnnouncement(
 | 
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        level=14,
 | 
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        message="""
 | 
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**Web and desktop updates**
 | 
						||
- You can now choose from a wide range of [font size]({font_size_url})
 | 
						||
and [line spacing]({line_spacing_url}) options, to make the Zulip interface
 | 
						||
feel most comfortable for you.
 | 
						||
""".format(
 | 
						||
            font_size_url="/help/font-size",
 | 
						||
            line_spacing_url="/help/line-spacing",
 | 
						||
        ),
 | 
						||
    ),
 | 
						||
    ZulipUpdateAnnouncement(
 | 
						||
        level=15,
 | 
						||
        message=(
 | 
						||
            """
 | 
						||
We make many improvements to Zulip beyond what we can share here. Learn about
 | 
						||
additional feature highlights, and other Zulip project updates since July
 | 
						||
2024, in the [blog post]({blog_post_10_0_url}) announcing today's release of
 | 
						||
Zulip Server 10.0.
 | 
						||
"""
 | 
						||
            if settings.CORPORATE_ENABLED
 | 
						||
            else """
 | 
						||
We make many improvements to Zulip beyond what we can share here. Check out our
 | 
						||
[release announcement blog post]({blog_post_10_0_url}) to learn about additional
 | 
						||
feature highlights in Zulip Server 10.0, and other Zulip project updates.
 | 
						||
"""
 | 
						||
        ).format(
 | 
						||
            blog_post_10_0_url="https://blog.zulip.com/zulip-server-10-0",
 | 
						||
        ),
 | 
						||
    ),
 | 
						||
    ZulipUpdateAnnouncement(
 | 
						||
        level=16,
 | 
						||
        message="""
 | 
						||
- You can now [configure]({resolved_topic_notice_url}) whether notices sent when
 | 
						||
  topics are resolved are automatically marked as read for you.
 | 
						||
- You can now restore [deactivated groups]({deactivate_a_group_url}) and
 | 
						||
  [archived channels]({archive_a_channel_url}) if you need to use them again.
 | 
						||
""".format(
 | 
						||
            resolved_topic_notice_url="/help/marking-messages-as-read#configure-whether-resolved-topic-notices-are-marked-as-read",
 | 
						||
            archive_a_channel_url="/help/archive-a-channel",
 | 
						||
            deactivate_a_group_url="/help/deactivate-a-user-group",
 | 
						||
        ),
 | 
						||
    ),
 | 
						||
    ZulipUpdateAnnouncement(
 | 
						||
        level=17,
 | 
						||
        message="""
 | 
						||
Starting this week, you’ll get Zulip’s next-generation mobile app the next time
 | 
						||
your Zulip app is upgraded. The new app offers a sleek new design and a faster,
 | 
						||
smoother experience. Check out [the announcement post]({flutter_release_blog_post})
 | 
						||
for details and how to share your feedback.
 | 
						||
""".format(
 | 
						||
            flutter_release_blog_post="https://blog.zulip.com/2025/06/17/flutter-mobile-app-launched/",
 | 
						||
        ),
 | 
						||
    ),
 | 
						||
    ZulipUpdateAnnouncement(
 | 
						||
        level=18,
 | 
						||
        message="""
 | 
						||
- You can now [schedule yourself a direct message
 | 
						||
  reminder]({schedule_a_reminder_url}) about a message you want to come back to.
 | 
						||
- Permissions to [move]({restrict_moving_messages_url}) and
 | 
						||
  [resolve]({restrict_resolving_topics_url}) topics can now be configured
 | 
						||
  separately for each channel.
 | 
						||
 | 
						||
**Mobile updates**
 | 
						||
 | 
						||
We've been hard at work adding the most highly
 | 
						||
[requested]({what_about_feature_x_url}) features to the next-generation mobile
 | 
						||
app released in June.
 | 
						||
- You can now [search for messages]({search_for_messages_url}) in the mobile
 | 
						||
  app.
 | 
						||
- You can now see other users' [availability]({availability_url}) and
 | 
						||
  [status]({view_a_status_url}), and toggle [invisible
 | 
						||
  mode]({invisible_mode_url}).
 | 
						||
- You can check [who reacted]({view_who_reacted_url}) to a message, and [when
 | 
						||
  each message was sent]({view_exact_time_url}).
 | 
						||
 | 
						||
**Web and desktop updates**
 | 
						||
- There are two new options for [where you
 | 
						||
  navigate]({left_sidebar_channel_links_url}) by clicking on a channel name in
 | 
						||
  the left sidebar: a [list of topics]({list_of_topics_url}) in the channel, or
 | 
						||
  the top unread topic.
 | 
						||
""".format(
 | 
						||
            schedule_a_reminder_url="/help/schedule-a-reminder",
 | 
						||
            restrict_moving_messages_url="/help/restrict-moving-messages",
 | 
						||
            restrict_resolving_topics_url="/help/restrict-resolving-topics",
 | 
						||
            what_about_feature_x_url="https://blog.zulip.com/2025/06/17/flutter-mobile-app-launched/#what-about-insert-feature-here",
 | 
						||
            left_sidebar_channel_links_url="/help/left-sidebar#configure-where-channel-links-in-the-left-sidebar-go",
 | 
						||
            list_of_topics_url="/help/list-of-topics",
 | 
						||
            search_for_messages_url="/help/search-for-messages",
 | 
						||
            availability_url="/help/status-and-availability#availability",
 | 
						||
            view_a_status_url="/help/status-and-availability#view-a-status",
 | 
						||
            invisible_mode_url="/help/status-and-availability#toggle-invisible-mode",
 | 
						||
            view_who_reacted_url="/help/emoji-reactions#view-who-reacted-to-a-message",
 | 
						||
            view_exact_time_url="/help/view-the-exact-time-a-message-was-sent",
 | 
						||
        ),
 | 
						||
    ),
 | 
						||
    ZulipUpdateAnnouncement(
 | 
						||
        level=19,
 | 
						||
        message="""
 | 
						||
- Zulip's topics help you keep conversations organized, but you may not need
 | 
						||
  topics in some channels (e.g., a social channel, or one with a narrow
 | 
						||
  purpose). For these situations, you can now [configure “general chat”
 | 
						||
  channels]({general_chat_channels_url}) without topics.
 | 
						||
 | 
						||
**Web and desktop updates**
 | 
						||
- When viewing all topics in a channel in the left sidebar, you can now [filter
 | 
						||
  topics]({filter_by_whether_resolved_url}) by whether they are resolved.
 | 
						||
- Your [home view]({home_view_url}) menu now has an option to [mark as
 | 
						||
  read]({marking_messages_as_read_url}) all messages in muted topics or topics
 | 
						||
  you don't follow. Zulip is snappier when you don't have thousands of unread
 | 
						||
  messages.
 | 
						||
""".format(
 | 
						||
            general_chat_channels_url="/help/general-chat-channels",
 | 
						||
            home_view_url="/help/configure-home-view",
 | 
						||
            marking_messages_as_read_url="/help/marking-messages-as-read",
 | 
						||
            filter_by_whether_resolved_url="/help/resolve-a-topic#filter-by-whether-topics-are-resolved",
 | 
						||
        ),
 | 
						||
    ),
 | 
						||
    ZulipUpdateAnnouncement(
 | 
						||
        level=20,
 | 
						||
        message="""
 | 
						||
- Administrators can now organize channels into [folders]({channel_folders_url})
 | 
						||
  (e.g., a dedicated folder for a team's channels), and
 | 
						||
  [sort]({reorder_channel_folders_url}) folders as needed. Channels are grouped
 | 
						||
  by folder in the [Inbox]({inbox_url}) view, and each person can
 | 
						||
  [decide]({configure_left_sidebar_folders_url}) whether to group channels by
 | 
						||
  folder in the left sidebar.
 | 
						||
- Administrators can now [configure]({configure_a_custom_welcome_message_url}) a
 | 
						||
  custom welcome message for new users. For example, you can describe the
 | 
						||
  purpose of important channels, and link to your guidelines for using Zulip.
 | 
						||
 | 
						||
**Web and desktop updates**
 | 
						||
- A new filter in the upper left lets you filter everything in your [left
 | 
						||
  sidebar]({left_sidebar_url}).
 | 
						||
 | 
						||
**Mobile updates**
 | 
						||
- You can now [set your status]({set_a_status_url}).
 | 
						||
- Android users can now [share]({share_and_upload_files_url}) files and text
 | 
						||
  from other applications into Zulip.
 | 
						||
- You can now [check]({read_receipts_url}) who has read a message.
 | 
						||
- You will now see autocomplete suggestions for mentioning
 | 
						||
  [user groups]({user_groups_url}), as well as users.
 | 
						||
 | 
						||
""".format(
 | 
						||
            channel_folders_url="/help/channel-folders",
 | 
						||
            reorder_channel_folders_url="/help/manage-channel-folders#reorder-channel-folders",
 | 
						||
            inbox_url="/help/inbox",
 | 
						||
            configure_left_sidebar_folders_url="/help/channel-folders#configure-whether-channels-are-grouped-by-folder-in-the-left-sidebar",
 | 
						||
            left_sidebar_url="/help/left-sidebar",
 | 
						||
            configure_a_custom_welcome_message_url="/help/configure-a-custom-welcome-message",
 | 
						||
            set_a_status_url="/help/status-and-availability#set-a-status",
 | 
						||
            share_and_upload_files_url="/help/share-and-upload-files",
 | 
						||
            read_receipts_url="/help/read-receipts",
 | 
						||
            user_groups_url="/help/user-groups",
 | 
						||
        ),
 | 
						||
    ),
 | 
						||
    ZulipUpdateAnnouncement(
 | 
						||
        level=21,
 | 
						||
        message=(
 | 
						||
            """
 | 
						||
We make many improvements to Zulip beyond what we can share here. Learn about
 | 
						||
additional feature highlights, and other Zulip project updates since March,
 | 
						||
in the [blog post]({blog_post_11_0_url}) announcing today's release of
 | 
						||
Zulip Server 11.0.
 | 
						||
"""
 | 
						||
            if settings.CORPORATE_ENABLED
 | 
						||
            else """
 | 
						||
We make many improvements to Zulip beyond what we can share here. Check out our
 | 
						||
[release announcement blog post]({blog_post_11_0_url}) to learn about additional
 | 
						||
feature highlights in Zulip Server 11.0, and other Zulip project updates.
 | 
						||
"""
 | 
						||
        ).format(
 | 
						||
            blog_post_11_0_url="https://blog.zulip.com/zulip-server-11-0",
 | 
						||
        ),
 | 
						||
    ),
 | 
						||
    ZulipUpdateAnnouncement(
 | 
						||
        level=22,
 | 
						||
        message="""
 | 
						||
The [help center]({help_url}) has a new, modernized design, complete with
 | 
						||
light and dark theme. A search bar makes it easier to find the information you
 | 
						||
need, whether it's how to get started, specific features, best practices, or
 | 
						||
administrative capabilities.
 | 
						||
 | 
						||
**Mobile updates**
 | 
						||
- You can now [browse]({browse_and_subscribe_url}) channels you're not
 | 
						||
  subscribed to, and subscribe.
 | 
						||
- You can now [delete messages]({delete_message_completely}), if you have
 | 
						||
  permission to do so.
 | 
						||
- Android users can now paste an image into a message, or insert a sticker from
 | 
						||
  the keyboard.
 | 
						||
""".format(
 | 
						||
            browse_and_subscribe_url="/help/introduction-to-channels#browse-and-subscribe-to-channels",
 | 
						||
            delete_message_completely="/help/delete-a-message#delete-a-message-completely",
 | 
						||
            help_url="/help/",
 | 
						||
        ),
 | 
						||
    ),
 | 
						||
]
 | 
						||
 | 
						||
 | 
						||
def get_latest_zulip_update_announcements_level() -> int:
 | 
						||
    latest_zulip_update_announcement = zulip_update_announcements[-1]
 | 
						||
    return latest_zulip_update_announcement.level
 | 
						||
 | 
						||
 | 
						||
def get_zulip_update_announcements_message_for_level(level: int) -> str:
 | 
						||
    zulip_update_announcement = zulip_update_announcements[level - 1]
 | 
						||
    return remove_single_newlines(zulip_update_announcement.message)
 | 
						||
 | 
						||
 | 
						||
def get_realms_behind_zulip_update_announcements_level(level: int) -> QuerySet[Realm]:
 | 
						||
    # Filter out deactivated realms. When a realm is later
 | 
						||
    # reactivated, send the notices it missed while it was deactivated.
 | 
						||
    realms = Realm.objects.filter(
 | 
						||
        Q(zulip_update_announcements_level__isnull=True)
 | 
						||
        | Q(zulip_update_announcements_level__lt=level),
 | 
						||
        deactivated=False,
 | 
						||
    ).exclude(string_id=settings.SYSTEM_BOT_REALM)
 | 
						||
    return realms
 | 
						||
 | 
						||
 | 
						||
def get_topic_name_for_zulip_update_announcements(realm: Realm) -> str:
 | 
						||
    assert realm.zulip_update_announcements_stream is not None
 | 
						||
 | 
						||
    with override_language(realm.default_language):
 | 
						||
        topic_name = str(realm.ZULIP_UPDATE_ANNOUNCEMENTS_TOPIC_NAME)
 | 
						||
 | 
						||
    if (
 | 
						||
        realm.zulip_update_announcements_stream.topics_policy
 | 
						||
        == StreamTopicsPolicyEnum.empty_topic_only.value
 | 
						||
    ):
 | 
						||
        topic_name = ""
 | 
						||
 | 
						||
    return topic_name
 | 
						||
 | 
						||
 | 
						||
def internal_prep_group_direct_message_for_old_realm(
 | 
						||
    realm: Realm, sender: UserProfile
 | 
						||
) -> SendMessageRequest | None:
 | 
						||
    administrators = list(realm.get_human_admin_users())
 | 
						||
    if realm.zulip_update_announcements_stream is None:
 | 
						||
        content = """
 | 
						||
Zulip now supports [configuring]({organization_settings_url}) a channel where Zulip will
 | 
						||
send [updates]({zulip_update_announcements_help_url}) about new Zulip features.
 | 
						||
These notifications are currently turned off in your organization. If you configure
 | 
						||
a channel within one week, your organization will not miss any update messages.
 | 
						||
""".format(
 | 
						||
            zulip_update_announcements_help_url="/help/configure-automated-notices#zulip-update-announcements",
 | 
						||
            organization_settings_url="/#organization/organization-settings",
 | 
						||
        )
 | 
						||
    else:
 | 
						||
        topic_name = get_topic_name_for_zulip_update_announcements(realm)
 | 
						||
        content = """
 | 
						||
Starting tomorrow, users in your organization will receive [updates]({zulip_update_announcements_help_url})
 | 
						||
about new Zulip features in #**{zulip_update_announcements_stream}>{topic_name}**.
 | 
						||
 | 
						||
If you like, you can [configure]({organization_settings_url}) a different channel for
 | 
						||
these updates (and [move]({move_content_another_stream_help_url}) any updates sent before the
 | 
						||
configuration change), or [turn this feature off]({organization_settings_url}) altogether.
 | 
						||
""".format(
 | 
						||
            zulip_update_announcements_help_url="/help/configure-automated-notices#zulip-update-announcements",
 | 
						||
            zulip_update_announcements_stream=realm.zulip_update_announcements_stream.name,
 | 
						||
            topic_name=topic_name,
 | 
						||
            organization_settings_url="/#organization/organization-settings",
 | 
						||
            move_content_another_stream_help_url="/help/move-content-to-another-channel",
 | 
						||
        )
 | 
						||
    return internal_prep_group_direct_message(
 | 
						||
        realm, sender, remove_single_newlines(content), recipient_users=administrators
 | 
						||
    )
 | 
						||
 | 
						||
 | 
						||
def get_level_none_to_initial_auditlog(realm: Realm) -> RealmAuditLog | None:
 | 
						||
    return RealmAuditLog.objects.filter(
 | 
						||
        realm=realm,
 | 
						||
        event_type=AuditLogEventType.REALM_PROPERTY_CHANGED,
 | 
						||
        extra_data__contains={
 | 
						||
            # Note: We're looking for the transition away from None,
 | 
						||
            # which usually will be to level 0, but can be to a higher
 | 
						||
            # initial level if the organization was imported from
 | 
						||
            # another chat tool.
 | 
						||
            RealmAuditLog.OLD_VALUE: None,
 | 
						||
            "property": "zulip_update_announcements_level",
 | 
						||
        },
 | 
						||
    ).first()
 | 
						||
 | 
						||
 | 
						||
def is_group_direct_message_sent_to_admins_within_days(realm: Realm, days: int) -> bool:
 | 
						||
    level_none_to_initial_auditlog = get_level_none_to_initial_auditlog(realm)
 | 
						||
    assert level_none_to_initial_auditlog is not None
 | 
						||
    group_direct_message_sent_on = level_none_to_initial_auditlog.event_time
 | 
						||
    return timezone_now() - group_direct_message_sent_on < timedelta(days=days)
 | 
						||
 | 
						||
 | 
						||
def is_realm_imported_from_other_product(realm: Realm) -> bool:
 | 
						||
    imported_audit_log = RealmAuditLog.objects.filter(
 | 
						||
        realm=realm, event_type=AuditLogEventType.REALM_IMPORTED
 | 
						||
    ).last()
 | 
						||
    if imported_audit_log is None:
 | 
						||
        return False
 | 
						||
 | 
						||
    import_source = imported_audit_log.extra_data.get("import_source")
 | 
						||
    # Old AuditLog entries of this kind did not have import_source set. Let's just treat them
 | 
						||
    # like regular zulip imports.
 | 
						||
    return import_source is not None and import_source != "zulip"
 | 
						||
 | 
						||
 | 
						||
def internal_prep_zulip_update_announcements_stream_messages(
 | 
						||
    current_level: int, latest_level: int, sender: UserProfile, realm: Realm
 | 
						||
) -> list[SendMessageRequest | None]:
 | 
						||
    message_requests = []
 | 
						||
    stream = realm.zulip_update_announcements_stream
 | 
						||
    assert stream is not None
 | 
						||
    topic_name = get_topic_name_for_zulip_update_announcements(realm)
 | 
						||
 | 
						||
    while current_level < latest_level:
 | 
						||
        content = get_zulip_update_announcements_message_for_level(level=current_level + 1)
 | 
						||
        message_requests.append(
 | 
						||
            internal_prep_stream_message(
 | 
						||
                sender,
 | 
						||
                stream,
 | 
						||
                topic_name,
 | 
						||
                content,
 | 
						||
            )
 | 
						||
        )
 | 
						||
        current_level += 1
 | 
						||
    return message_requests
 | 
						||
 | 
						||
 | 
						||
@transaction.atomic(savepoint=False)
 | 
						||
def send_messages_and_update_level(
 | 
						||
    realm: Realm,
 | 
						||
    new_zulip_update_announcements_level: int,
 | 
						||
    send_message_requests: list[SendMessageRequest | None],
 | 
						||
) -> None:
 | 
						||
    sent_message_ids = []
 | 
						||
    if send_message_requests:
 | 
						||
        sent_messages = do_send_messages(send_message_requests)
 | 
						||
        sent_message_ids = [sent_message.message_id for sent_message in sent_messages]
 | 
						||
 | 
						||
    RealmAuditLog.objects.create(
 | 
						||
        realm=realm,
 | 
						||
        event_type=AuditLogEventType.REALM_PROPERTY_CHANGED,
 | 
						||
        event_time=timezone_now(),
 | 
						||
        extra_data={
 | 
						||
            RealmAuditLog.OLD_VALUE: realm.zulip_update_announcements_level,
 | 
						||
            RealmAuditLog.NEW_VALUE: new_zulip_update_announcements_level,
 | 
						||
            "property": "zulip_update_announcements_level",
 | 
						||
            "zulip_update_announcements_message_ids": sent_message_ids,
 | 
						||
        },
 | 
						||
    )
 | 
						||
 | 
						||
    realm.zulip_update_announcements_level = new_zulip_update_announcements_level
 | 
						||
    realm.save(update_fields=["zulip_update_announcements_level"])
 | 
						||
 | 
						||
 | 
						||
def send_zulip_update_announcements(skip_delay: bool, progress: bool = False) -> None:
 | 
						||
    latest_zulip_update_announcements_level = get_latest_zulip_update_announcements_level()
 | 
						||
    realms = get_realms_behind_zulip_update_announcements_level(
 | 
						||
        level=latest_zulip_update_announcements_level
 | 
						||
    )
 | 
						||
    if len(realms) == 0:
 | 
						||
        return
 | 
						||
 | 
						||
    if progress:  # nocoverage
 | 
						||
        print(f"Sending update announcements to {len(realms)} realms")
 | 
						||
    for i, realm in enumerate(realms, start=1):
 | 
						||
        try:
 | 
						||
            send_zulip_update_announcements_to_realm(realm, skip_delay)
 | 
						||
        except Exception as e:  # nocoverage
 | 
						||
            logging.exception(e)
 | 
						||
        finally:
 | 
						||
            if progress and i % 50 == 0:  # nocoverage
 | 
						||
                print(f"Processed {i}/{len(realms)} realms...")
 | 
						||
    if progress:  # nocoverage
 | 
						||
        print("Done!")
 | 
						||
 | 
						||
 | 
						||
def send_zulip_update_announcements_to_realm(realm: Realm, skip_delay: bool) -> None:
 | 
						||
    latest_zulip_update_announcements_level = get_latest_zulip_update_announcements_level()
 | 
						||
    realm_imported_from_other_product = is_realm_imported_from_other_product(realm)
 | 
						||
 | 
						||
    # Refresh the realm from the database and check its
 | 
						||
    # properties, to protect against racing with another copy of
 | 
						||
    # ourself.
 | 
						||
    realm.refresh_from_db()
 | 
						||
    realm_zulip_update_announcements_level = realm.zulip_update_announcements_level
 | 
						||
    assert (
 | 
						||
        realm_zulip_update_announcements_level is None
 | 
						||
        or realm_zulip_update_announcements_level < latest_zulip_update_announcements_level
 | 
						||
    )
 | 
						||
 | 
						||
    sender = get_system_bot(settings.NOTIFICATION_BOT, realm.id)
 | 
						||
 | 
						||
    messages = []
 | 
						||
    new_zulip_update_announcements_level = None
 | 
						||
 | 
						||
    if realm_zulip_update_announcements_level is None:
 | 
						||
        # This realm predates the zulip update announcements feature, or
 | 
						||
        # was imported from another product (Slack, Mattermost, etc.).
 | 
						||
        # Group DM the administrators to set or verify the stream for
 | 
						||
        # zulip update announcements.
 | 
						||
        group_direct_message = internal_prep_group_direct_message_for_old_realm(realm, sender)
 | 
						||
        messages = [group_direct_message]
 | 
						||
        if realm_imported_from_other_product:
 | 
						||
            new_zulip_update_announcements_level = latest_zulip_update_announcements_level
 | 
						||
        else:
 | 
						||
            new_zulip_update_announcements_level = 0
 | 
						||
    elif realm.zulip_update_announcements_stream is None:
 | 
						||
        # Realm misses the update messages in two cases:
 | 
						||
        # Case 1: New realm created, and later stream manually set to None.
 | 
						||
        # No group direct message is sent. Introductory message in the topic is sent.
 | 
						||
        # Case 2: For old realm or realm imported from other product, we wait for A WEEK
 | 
						||
        # after sending group DMs to let admins configure stream for zulip update announcements.
 | 
						||
        # After that, they miss updates until they don't configure.
 | 
						||
        level_none_to_initial_auditlog = get_level_none_to_initial_auditlog(realm)
 | 
						||
        if level_none_to_initial_auditlog is None or not (
 | 
						||
            timezone_now() - level_none_to_initial_auditlog.event_time < timedelta(days=7)
 | 
						||
        ):
 | 
						||
            new_zulip_update_announcements_level = latest_zulip_update_announcements_level
 | 
						||
    elif realm.zulip_update_announcements_stream.deactivated:  # nocoverage
 | 
						||
        # `zulip_update_announcements_stream` should be set to None when its channel is
 | 
						||
        # deactivated. If this condition occurs, there's a bug that needs investigation.
 | 
						||
        raise JsonableError(_("`zulip_update_announcements_stream` is unexpectedly deactivated."))
 | 
						||
    else:
 | 
						||
        # Wait for 24 hours after sending group DM to allow admins to change the
 | 
						||
        # stream for zulip update announcements from it's default value if desired.
 | 
						||
        if (
 | 
						||
            (realm_zulip_update_announcements_level == 0 or realm_imported_from_other_product)
 | 
						||
            and is_group_direct_message_sent_to_admins_within_days(realm, days=1)
 | 
						||
            and not skip_delay
 | 
						||
        ):
 | 
						||
            return
 | 
						||
 | 
						||
        # Send an introductory message just before the first update message.
 | 
						||
        stream = realm.zulip_update_announcements_stream
 | 
						||
        assert stream.recipient_id is not None
 | 
						||
        topic_name = get_topic_name_for_zulip_update_announcements(realm)
 | 
						||
        topic_has_messages = messages_for_topic(realm.id, stream.recipient_id, topic_name).exists()
 | 
						||
 | 
						||
        if not topic_has_messages:
 | 
						||
            content_of_introductory_message = (
 | 
						||
                """
 | 
						||
To help you learn about new features and configuration options,
 | 
						||
this topic will receive messages about important changes in Zulip.
 | 
						||
 | 
						||
You can read these update messages whenever it's convenient, or
 | 
						||
[mute]({mute_topic_help_url}) this topic if you are not interested.
 | 
						||
If your organization does not want to receive these announcements,
 | 
						||
they can be disabled. [Learn more]({zulip_update_announcements_help_url}).
 | 
						||
"""
 | 
						||
            ).format(
 | 
						||
                zulip_update_announcements_help_url="/help/configure-automated-notices#zulip-update-announcements",
 | 
						||
                mute_topic_help_url="/help/mute-a-topic",
 | 
						||
            )
 | 
						||
            messages = [
 | 
						||
                internal_prep_stream_message(
 | 
						||
                    sender,
 | 
						||
                    stream,
 | 
						||
                    topic_name,
 | 
						||
                    remove_single_newlines(content_of_introductory_message),
 | 
						||
                )
 | 
						||
            ]
 | 
						||
 | 
						||
        messages.extend(
 | 
						||
            internal_prep_zulip_update_announcements_stream_messages(
 | 
						||
                current_level=realm_zulip_update_announcements_level,
 | 
						||
                latest_level=latest_zulip_update_announcements_level,
 | 
						||
                sender=sender,
 | 
						||
                realm=realm,
 | 
						||
            )
 | 
						||
        )
 | 
						||
 | 
						||
        new_zulip_update_announcements_level = latest_zulip_update_announcements_level
 | 
						||
 | 
						||
    if new_zulip_update_announcements_level is not None:
 | 
						||
        send_messages_and_update_level(realm, new_zulip_update_announcements_level, messages)
 |