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d->m: preserve unknown messages when syncing pins

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Cadence Ember 2025-05-29 11:57:34 +12:00
commit 8d4d505ab9
3 changed files with 67 additions and 5 deletions
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18
src/d2m/converters/pins-to-list.js
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@ -4,16 +4,28 @@ const {select} = require("../../passthrough")
/**
* @param {import("discord-api-types/v10").RESTGetAPIChannelPinsResult} pins
* @param {{"m.room.pinned_events/"?: {pinned?: string[]}}} kstate
*/
function pinsToList(pins) {
function pinsToList(pins, kstate) {
let alreadyPinned = kstate["m.room.pinned_events/"]?.pinned || []
// If any of the already pinned messages are bridged messages then remove them from the already pinned list.
// * If a bridged message is still pinned then it'll be added back in the next step.
// * If a bridged message was unpinned from Discord-side then it'll be unpinned from our side due to this step.
// * Matrix-only unbridged messages that are pinned will remain pinned.
alreadyPinned = alreadyPinned.filter(event_id => {
const messageID = select("event_message", "message_id", {event_id}).pluck().get()
return !messageID || pins.find(m => m.id === messageID) // if it is bridged then remove it from the filter
})
/** @type {string[]} */
const result = []
for (const message of pins) {
const eventID = select("event_message", "event_id", {message_id: message.id, part: 0}).pluck().get()
if (eventID) result.push(eventID)
if (eventID && !alreadyPinned.includes(eventID)) result.push(eventID)
}
result.reverse()
return result
return alreadyPinned.concat(result)
}
module.exports.pinsToList = pinsToList