zulip/static/js/message_store.js

129 lines
4.0 KiB
JavaScript

import * as blueslip from "./blueslip";
import * as people from "./people";
const stored_messages = new Map();
export function update_message_cache(message) {
// You should only call this from message_helper (or in tests).
stored_messages.set(message.id, message);
}
export function get_cached_message(message_id) {
// You should only call this from message_helper.
// Use the get() wrapper below for most other use cases.
return stored_messages.get(message_id);
}
export function clear_for_testing() {
stored_messages.clear();
}
export function get(message_id) {
if (message_id === undefined || message_id === null) {
blueslip.error("message_store.get got bad value: " + message_id);
return undefined;
}
if (typeof message_id !== "number") {
blueslip.error("message_store got non-number: " + message_id);
// Try to soldier on, assuming the caller treats message
// ids as strings.
message_id = Number.parseFloat(message_id);
}
return stored_messages.get(message_id);
}
export function get_pm_emails(message) {
const user_ids = people.pm_with_user_ids(message);
const emails = user_ids
.map((user_id) => {
const person = people.get_by_user_id(user_id);
if (!person) {
blueslip.error("Unknown user id " + user_id);
return "?";
}
return person.email;
})
.sort();
return emails.join(", ");
}
export function get_pm_full_names(message) {
const user_ids = people.pm_with_user_ids(message);
const names = people.get_display_full_names(user_ids).sort();
return names.join(", ");
}
export function set_message_booleans(message) {
const flags = message.flags || [];
function convert_flag(flag_name) {
return flags.includes(flag_name);
}
message.unread = !convert_flag("read");
message.historical = convert_flag("historical");
message.starred = convert_flag("starred");
message.mentioned = convert_flag("mentioned") || convert_flag("wildcard_mentioned");
message.mentioned_me_directly = convert_flag("mentioned");
message.collapsed = convert_flag("collapsed");
message.alerted = convert_flag("has_alert_word");
// Once we have set boolean flags here, the `flags` attribute is
// just a distraction, so we delete it. (All the downstream code
// uses booleans.)
delete message.flags;
}
export function update_booleans(message, flags) {
// When we get server flags for local echo or message edits,
// we are vulnerable to race conditions, so only update flags
// that are driven by message content.
function convert_flag(flag_name) {
return flags.includes(flag_name);
}
message.mentioned = convert_flag("mentioned") || convert_flag("wildcard_mentioned");
message.mentioned_me_directly = convert_flag("mentioned");
message.alerted = convert_flag("has_alert_word");
}
export function update_property(property, value, info) {
switch (property) {
case "sender_full_name":
case "small_avatar_url":
for (const msg of stored_messages.values()) {
if (msg.sender_id && msg.sender_id === info.user_id) {
msg[property] = value;
}
}
break;
case "stream_name":
for (const msg of stored_messages.values()) {
if (msg.stream_id && msg.stream_id === info.stream_id) {
msg.display_recipient = value;
msg.stream = value;
}
}
break;
case "status_emoji_info":
for (const msg of stored_messages.values()) {
if (msg.sender_id && msg.sender_id === info.user_id) {
msg[property] = value;
}
}
break;
}
}
export function reify_message_id({old_id, new_id}) {
if (stored_messages.has(old_id)) {
stored_messages.set(new_id, stored_messages.get(old_id));
stored_messages.delete(old_id);
}
}