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Reflect immediately generated link embeds

This commit is contained in:
Cadence Ember 2024-03-19 15:06:31 +13:00
parent 23d85547f3
commit c615ea1e61
1 changed files with 18 additions and 0 deletions
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18
m2d/actions/send-event.js
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@ -17,6 +17,8 @@ const eventToMessage = sync.require("../converters/event-to-message")
const api = sync.require("../../matrix/api")
/** @type {import("../../d2m/actions/register-user")} */
const registerUser = sync.require("../../d2m/actions/register-user")
/** @type {import("../../d2m/actions/edit-message")} */
const editMessage = sync.require("../../d2m/actions/edit-message")
/** @type {import("../actions/emoji-sheet")} */
const emojiSheet = sync.require("../actions/emoji-sheet")
@ -111,6 +113,22 @@ async function sendEvent(event) {
eventPart = 1
messageResponses.push(messageResponse)
/*
If the Discord system has a cached link preview embed for one of the links just sent,
it will be instantly added as part of `embeds` and there won't be a MESSAGE_UPDATE.
To reflect the generated embed back to Matrix, we pretend the message was updated right away.
*/
const sentEmbedsCount = message.embeds?.length || 0
if (messageResponse.embeds.length > sentEmbedsCount) {
// @ts-ignore this is a valid message edit payload
editMessage.editMessage({ // not awaiting because requests to Matrix shouldn't block requests to Discord
id: messageResponse.channel_id,
channel_id: messageResponse.channel_id,
guild_id: guild.id,
embeds: messageResponse.embeds
}, guild, null)
}
}
for (const user of ensureJoined) {