N0VA/out-of-your-element
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m->d: Users who aren't joined can be mentioned

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This works by writing @name in the message, where `name` is the username
or displayname of the person in the guild you want to mention. If it
matched, the person will be joined and mentioned on their side.

Unfortunately this requires you to guess the person's name, and may lead
to embarrassment if it doesn't activate as you intended. Good luck!
This commit is contained in:
Cadence Ember
2023-11-23 13:41:02 +13:00
parent 39528b0557
commit 53a009ca45
3 changed files with 120 additions and 3 deletions
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m2d/converters/event-to-message.js
+16 -2
View File
@@ -259,7 +259,7 @@ async function uploadEndOfMessageSpriteSheet(content, attachments, pendingFiles)
/**
* @param {Ty.Event.Outer_M_Room_Message | Ty.Event.Outer_M_Room_Message_File | Ty.Event.Outer_M_Sticker | Ty.Event.Outer_M_Room_Message_Encrypted_File} event
* @param {import("discord-api-types/v10").APIGuild} guild
* @param {{api: import("../../matrix/api")}} di simple-as-nails dependency injection for the matrix API
* @param {{api: import("../../matrix/api"), snow: import("snowtransfer").SnowTransfer}} di simple-as-nails dependency injection for the matrix API
*/
async function eventToMessage(event, guild, di) {
/** @type {(DiscordTypes.RESTPostAPIWebhookWithTokenJSONBody & {files?: {name: string, file: Buffer | Readable}[]})[]} */
@@ -289,6 +289,8 @@ async function eventToMessage(event, guild, di) {
const attachments = []
/** @type {({name: string, url: string} | {name: string, url: string, key: string, iv: string} | {name: string, buffer: Buffer})[]} */
const pendingFiles = []
/** @type {DiscordTypes.APIUser[]} */
const ensureJoined = []
// Convert content depending on what the message is
if (event.type === "m.room.message" && (event.content.msgtype === "m.text" || event.content.msgtype === "m.emote")) {
@@ -502,6 +504,17 @@ async function eventToMessage(event, guild, di) {
content = displayNameRunoff + replyLine + content
// Handling written @mentions: we need to look for candidate Discord members to join to the room
let writtenMentionMatch = content.match(/(?:^|[^"<>/A-Za-z0-9])@([A-Za-z][A-Za-z0-9._\[\]\(\)-]+):?/d) // d flag requires Node 16+
if (writtenMentionMatch) {
const results = await di.snow.guild.searchGuildMembers(guild.id, {query: writtenMentionMatch[1]})
if (results[0]) {
assert(results[0].user)
content = content.slice(0, writtenMentionMatch.index) + `<@${results[0].user.id}>` + content.slice(writtenMentionMatch.index + writtenMentionMatch[0].length)
ensureJoined.push(results[0].user)
}
}
// Split into 2000 character chunks
const chunks = chunk(content, 2000)
messages = messages.concat(chunks.map(content => ({
@@ -543,7 +556,8 @@ async function eventToMessage(event, guild, di) {
return {
messagesToEdit,
messagesToSend,
messagesToDelete: messageIDsToEdit
messagesToDelete: messageIDsToEdit,
ensureJoined
}
}