zulip/web/src/user_topics_ui.js

import $ from "jquery";

import * as message_lists from "./message_lists";
import * as overlays from "./overlays";
import * as popover_menus from "./popover_menus";
import * as recent_topics_ui from "./recent_topics_ui";
import * as settings_user_topics from "./settings_user_topics";
import * as stream_list from "./stream_list";
import * as sub_store from "./sub_store";
import * as unread_ui from "./unread_ui";
import * as user_topics from "./user_topics";

export function handle_topic_updates(user_topic_event) {
    // Update the UI after changes in topic visibility policies.
    user_topics.set_user_topic(user_topic_event);
    popover_menus.get_topic_menu_popover()?.hide();

    stream_list.update_streams_sidebar();
    unread_ui.update_unread_counts();
    message_lists.current.update_muting_and_rerender();
    if (message_lists.current !== message_lists.home) {
        message_lists.home.update_muting_and_rerender();
    }
    recent_topics_ui.update_topic_visibility_policy(
        user_topic_event.stream_id,
        user_topic_event.topic_name,
    );

    if (overlays.settings_open() && settings_user_topics.loaded) {
        const stream_id = user_topic_event.stream_id;
        const topic_name = user_topic_event.topic_name;
        const visibility_policy = user_topic_event.visibility_policy;

        // Find the row with the specified stream_id and topic_name
        const $row = $('tr[data-stream-id="' + stream_id + '"][data-topic="' + topic_name + '"]');

        if ($row.length) {
            // If the row exists, update the status only.
            // We don't call 'populate_list' in this case as it re-creates the panel (re-sorts by date updated +
            // removes topics with status set to 'Default for stream'), making it hard to review the changes
            // and undo if needed.
            const $status = $row.find("select.settings_user_topic_visibility_policy");
            $status.val(visibility_policy);
        } else {
            // If the row doesn't exist, the user must have set the visibility policy
            // via another tab. We call 'populate_list' to re-create the panel, hence
            // including the new row.
            settings_user_topics.populate_list();
        }
    }
}

export function toggle_topic_visibility_policy(message) {
    const stream_id = message.stream_id;
    const topic = message.topic;

    if (
        user_topics.is_topic_muted(stream_id, topic) ||
        user_topics.is_topic_unmuted(stream_id, topic)
    ) {
        user_topics.set_user_topic_visibility_policy(
            stream_id,
            topic,
            user_topics.all_visibility_policies.INHERIT,
        );
    } else if (message.type === "stream") {
        if (sub_store.get(stream_id).is_muted) {
            user_topics.set_user_topic_visibility_policy(
                stream_id,
                topic,
                user_topics.all_visibility_policies.UNMUTED,
                true,
            );
        } else {
            user_topics.set_user_topic_visibility_policy(
                stream_id,
                topic,
                user_topics.all_visibility_policies.MUTED,
                true,
            );
        }
    }
}