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m->d replies: support replying to edits & spoilers

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Cadence Ember 2023-09-08 00:13:25 +12:00
parent e4e28daf08
commit 8b7c47e369
3 changed files with 163 additions and 27 deletions
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14
m2d/converters/event-to-message.js
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@ -227,7 +227,7 @@ async function eventToMessage(event, guild, di) {
await (async () => {
const repliedToEventId = event.content["m.relates_to"]?.["m.in_reply_to"]?.event_id
if (!repliedToEventId) return
const repliedToEvent = await di.api.getEvent(event.room_id, repliedToEventId)
let repliedToEvent = await di.api.getEvent(event.room_id, repliedToEventId)
if (!repliedToEvent) return
const row = db.prepare("SELECT channel_id, message_id FROM event_message INNER JOIN message_channel USING (message_id) WHERE event_id = ? ORDER BY part").get(repliedToEventId)
if (row) {
@ -243,6 +243,11 @@ async function eventToMessage(event, guild, di) {
} else {
replyLine += `Ⓜ️**${senderName}**`
}
// If the event has been edited, the homeserver will include the relation in `unsigned`.
if (repliedToEvent.unsigned?.["m.relations"]?.["m.replace"]?.content?.["m.new_content"]) {
repliedToEvent = repliedToEvent.unsigned["m.relations"]["m.replace"] // Note: this changes which event_id is in repliedToEvent.
repliedToEvent.content = repliedToEvent.content["m.new_content"]
}
let contentPreview
const fileReplyContentAlternative =
( repliedToEvent.content.msgtype === "m.image" ? "🖼️"
@ -254,7 +259,12 @@ async function eventToMessage(event, guild, di) {
contentPreview = " " + fileReplyContentAlternative
} else {
const repliedToContent = repliedToEvent.content.formatted_body || repliedToEvent.content.body
const contentPreviewChunks = chunk(repliedToContent.replace(/.*<\/mx-reply>/, "").replace(/.*?<\/blockquote>/, "").replace(/(?:\n|<br>)+/g, " ").replace(/<[^>]+>/g, ""), 50)
const contentPreviewChunks = chunk(
repliedToContent.replace(/.*<\/mx-reply>/, "") // Remove everything before replies, so just use the actual message body
.replace(/.*?<\/blockquote>/, "") // If the message starts with a blockquote, don't count it and use the message body afterwards
.replace(/(?:\n|<br>)+/g, " ") // Should all be on one line
.replace(/<span [^>]*data-mx-spoiler\b[^>]*>.*?<\/span>/g, "[spoiler]") // Good enough method of removing spoiler content. (I don't want to break out the HTML parser unless I have to.)
.replace(/<[^>]+>/g, ""), 50) // Completely strip all other formatting.
contentPreview = ":\n> "
contentPreview += contentPreviewChunks.length > 1 ? contentPreviewChunks[0] + "..." : contentPreviewChunks[0]
}