zulip/zerver/lib/onboarding.py

from typing import Dict, List

from django.conf import settings
from django.db import transaction
from django.db.models import Count
from django.utils.translation import gettext as _

from zerver.lib.actions import (
    create_users,
    do_add_reaction,
    do_send_messages,
    internal_prep_stream_message_by_name,
    internal_send_private_message,
)
from zerver.lib.emoji import emoji_name_to_emoji_code
from zerver.lib.message import SendMessageRequest
from zerver.models import Message, Realm, UserProfile, get_system_bot


def missing_any_realm_internal_bots() -> bool:
    bot_emails = [
        bot["email_template"] % (settings.INTERNAL_BOT_DOMAIN,)
        for bot in settings.REALM_INTERNAL_BOTS
    ]
    bot_counts = dict(
        UserProfile.objects.filter(email__in=bot_emails).values_list("email").annotate(Count("id"))
    )
    realm_count = Realm.objects.count()
    return any(bot_counts.get(email, 0) < realm_count for email in bot_emails)


def setup_realm_internal_bots(realm: Realm) -> None:
    """Create this realm's internal bots.

    This function is idempotent; it does nothing for a bot that
    already exists.
    """
    internal_bots = [
        (bot["name"], bot["email_template"] % (settings.INTERNAL_BOT_DOMAIN,))
        for bot in settings.REALM_INTERNAL_BOTS
    ]
    create_users(realm, internal_bots, bot_type=UserProfile.DEFAULT_BOT)
    bots = UserProfile.objects.filter(
        realm=realm,
        email__in=[bot_info[1] for bot_info in internal_bots],
        bot_owner__isnull=True,
    )
    for bot in bots:
        bot.bot_owner = bot
        bot.save()


def create_if_missing_realm_internal_bots() -> None:
    """This checks if there is any realm internal bot missing.

    If that is the case, it creates the missing realm internal bots.
    """
    if missing_any_realm_internal_bots():
        for realm in Realm.objects.all():
            setup_realm_internal_bots(realm)


def send_initial_pms(user: UserProfile) -> None:
    organization_setup_text = ""
    if user.is_realm_admin:
        help_url = user.realm.uri + "/help/getting-your-organization-started-with-zulip"
        organization_setup_text = (
            "* "
            + _("[Read the guide]({help_url}) for getting your organization started with Zulip")
            + "\n"
        ).format(help_url=help_url)

    content = (
        _("Hello, and welcome to Zulip!") + "\n"
        "\n"
        + _("This is a private message from me, Welcome Bot.")
        + " "
        + _("Here are some tips to get you started:")
        + "\n"
        "* " + _("Download our [Desktop and mobile apps]({apps_url})") + "\n"
        "* "
        + _("Customize your account and notifications on your [Settings page]({settings_url})")
        + "\n"
        "* " + _("Type `?` to check out Zulip's keyboard shortcuts") + "\n"
        "{organization_setup_text}"
        "\n" + _("The most important shortcut is `r` to reply.") + "\n"
        "\n"
        + _("Practice sending a few messages by replying to this conversation.")
        + " "
        + _(
            "If you're not into keyboards, that's okay too; "
            "clicking anywhere on this message will also do the trick!"
        )
    )

    content = content.format(
        apps_url="/apps", settings_url="#settings", organization_setup_text=organization_setup_text
    )

    internal_send_private_message(
        get_system_bot(settings.WELCOME_BOT, user.realm_id), user, content
    )


def send_welcome_bot_response(send_request: SendMessageRequest) -> None:
    welcome_bot = get_system_bot(settings.WELCOME_BOT, send_request.message.sender.realm_id)
    human_recipient_id = send_request.message.sender.recipient_id
    assert human_recipient_id is not None
    if Message.objects.filter(sender=welcome_bot, recipient_id=human_recipient_id).count() < 2:
        content = (
            _("Congratulations on your first reply!") + " "
            ":tada:"
            "\n"
            "\n"
            + _(
                "Feel free to continue using this space to practice your new messaging "
                "skills. Or, try clicking on some of the stream names to your left!"
            )
        )
        internal_send_private_message(welcome_bot, send_request.message.sender, content)


@transaction.atomic
def send_initial_realm_messages(realm: Realm) -> None:
    welcome_bot = get_system_bot(settings.WELCOME_BOT, realm.id)
    # Make sure each stream created in the realm creation process has at least one message below
    # Order corresponds to the ordering of the streams on the left sidebar, to make the initial Home
    # view slightly less overwhelming
    content_of_private_streams_topic = (
        _("This is a private stream, as indicated by the lock icon next to the stream name.")
        + " "
        + _("Private streams are only visible to stream members.")
        + "\n"
        "\n"
        + _(
            "To manage this stream, go to [Stream settings]({stream_settings_url}) "
            "and click on `{initial_private_stream_name}`."
        )
    ).format(
        stream_settings_url="#streams/subscribed",
        initial_private_stream_name=Realm.INITIAL_PRIVATE_STREAM_NAME,
    )

    content1_of_topic_demonstration_topic = (
        _(
            "This is a message on stream #**{default_notification_stream_name}** with the "
            "topic `topic demonstration`."
        )
    ).format(default_notification_stream_name=Realm.DEFAULT_NOTIFICATION_STREAM_NAME)

    content2_of_topic_demonstration_topic = (
        _("Topics are a lightweight tool to keep conversations organized.")
        + " "
        + _("You can learn more about topics at [Streams and topics]({about_topics_help_url}).")
    ).format(about_topics_help_url="/help/about-streams-and-topics")

    content_of_swimming_turtles_topic = (
        _(
            "This is a message on stream #**{default_notification_stream_name}** with the "
            "topic `swimming turtles`."
        )
        + "\n"
        "\n"
        "[](/static/images/cute/turtle.png)"
        "\n"
        "\n"
        + _(
            "[Start a new topic]({start_topic_help_url}) any time you're not replying to a \
        previous message."
        )
    ).format(
        default_notification_stream_name=Realm.DEFAULT_NOTIFICATION_STREAM_NAME,
        start_topic_help_url="/help/start-a-new-topic",
    )

    welcome_messages: List[Dict[str, str]] = [
        {
            "stream": Realm.INITIAL_PRIVATE_STREAM_NAME,
            "topic": "private streams",
            "content": content_of_private_streams_topic,
        },
        {
            "stream": Realm.DEFAULT_NOTIFICATION_STREAM_NAME,
            "topic": "topic demonstration",
            "content": content1_of_topic_demonstration_topic,
        },
        {
            "stream": Realm.DEFAULT_NOTIFICATION_STREAM_NAME,
            "topic": "topic demonstration",
            "content": content2_of_topic_demonstration_topic,
        },
        {
            "stream": realm.DEFAULT_NOTIFICATION_STREAM_NAME,
            "topic": "swimming turtles",
            "content": content_of_swimming_turtles_topic,
        },
    ]

    messages = [
        internal_prep_stream_message_by_name(
            realm,
            welcome_bot,
            message["stream"],
            message["topic"],
            message["content"],
        )
        for message in welcome_messages
    ]
    message_ids = do_send_messages(messages)

    # We find the one of our just-sent messages with turtle.png in it,
    # and react to it.  This is a bit hacky, but works and is kinda a
    # 1-off thing.
    turtle_message = Message.objects.select_for_update().get(
        id__in=message_ids, content__icontains="cute/turtle.png"
    )
    (emoji_code, reaction_type) = emoji_name_to_emoji_code(realm, "turtle")
    do_add_reaction(welcome_bot, turtle_message, "turtle", emoji_code, reaction_type)