zulip/static/js/recent_topics.js

71 lines
2.1 KiB
JavaScript

const topics = new Map(); // Key is stream-id:topic.
exports.process_messages = function (messages) {
for (const msg of messages) {
exports.process_message(msg);
}
};
exports.process_message = function (msg) {
if (msg.type !== 'stream') {
return false;
}
// Initialize topic data
const key = msg.stream_id + ':' + msg.topic;
if (!topics.has(key)) {
topics.set(key, {
last_msg_id: -1,
starred: new Set(),
participated: false,
muted: false,
});
}
// Update topic data
const is_ours = people.is_my_user_id(msg.sender_id);
const topic_data = topics.get(key);
if (topic_data.last_msg_id < msg.id) {
topic_data.last_msg_id = msg.id;
}
if (msg.starred) {
topic_data.starred.add(msg.id);
}
topic_data.participated = is_ours || topic_data.participated;
topic_data.muted = topic_data.muted || muting.is_topic_muted(msg.stream_id, msg.topic);
return true;
};
exports.update_topic_is_muted = function (stream_id, topic, is_muted) {
const key = stream_id + ":" + topic;
if (!topics.has(key)) {
return false;
}
const topic_data = topics.get(stream_id + ":" + topic);
topic_data.muted = is_muted;
};
function get_sorted_topics() {
// Sort all recent topics by last message time.
return new Map(Array.from(topics.entries()).sort(function (a, b) {
return b[1].last_msg_id - a[1].last_msg_id;
}));
}
exports.get = function () {
return get_sorted_topics();
};
exports.process_topic_edit = function (old_stream_id, old_topic, new_topic, new_stream_id) {
// See `recent_senders.process_topic_edit` for
// logic behind this and important notes on use of this function.
topics.delete(old_stream_id + ':' + old_topic);
const old_topic_msgs = message_util.get_messages_in_topic(old_stream_id, old_topic);
exports.process_messages(old_topic_msgs);
new_stream_id = new_stream_id || old_stream_id;
const new_topic_msgs = message_util.get_messages_in_topic(new_stream_id, new_topic);
exports.process_messages(new_topic_msgs);
};
window.recent_topics = exports;