support rich replies, support basic m.mentions

d2m/actions/send-message.js

@@ -27,7 +27,7 @@ async function sendMessage(message, guild) {
 		await registerUser.syncUser(message.author, message.member, message.guild_id, roomID)
 	}
 
-	const events = await messageToEvent.messageToEvent(message, guild)
+	const events = await messageToEvent.messageToEvent(message, guild, api)
 	const eventIDs = []
 	let eventPart = 0 // 0 is primary, 1 is supporting
 	for (const event of events) {

d2m/converters/message-to-event.js

@@ -2,6 +2,7 @@
 
 const assert = require("assert").strict
 const markdown = require("discord-markdown")
+const DiscordTypes = require("discord-api-types/v10")
 
 const passthrough = require("../../passthrough")
 const { sync, db, discord } = passthrough
@@ -39,10 +40,56 @@ function getDiscordParseCallbacks(message, useHTML) {
 /**
  * @param {import("discord-api-types/v10").APIMessage} message
  * @param {import("discord-api-types/v10").APIGuild} guild
+ * @param {import("../../matrix/api")} api simple-as-nails dependency injection for the matrix API
  */
-async function messageToEvent(message, guild) {
+async function messageToEvent(message, guild, api) {
 	const events = []
 
+	/**
+	   @type {{room?: boolean, user_ids?: string[]}}
+		We should consider the following scenarios for mentions:
+		1. TODO A discord user rich-replies to a matrix user with a text post
+			+ The matrix user needs to be m.mentioned in the text event
+			+ The matrix user needs to have their name/mxid/link in the text event (notification fallback)
+				- So prepend their `@name:` to the start of the plaintext body
+		2. TODO A discord user rich-replies to a matrix user with an image event only
+			+ The matrix user needs to be m.mentioned in the image event
+			+ The matrix user needs to have their name/mxid in the image event's body field, alongside the filename (notification fallback)
+				- So append their name to the filename body, I guess!!!
+		3. TODO A discord user `@`s a matrix user in the text body of their text box
+			+ The matrix user needs to be m.mentioned in the text event
+			+ No change needed to the text event content: it already has their name
+				- So make sure we don't do anything in this case.
+	*/
+	const mentions = {}
+	let repliedToEventId = null
+	let repliedToEventRoomId = null
+	let repliedToEventSenderMxid = null
+	let repliedToEventOriginallyFromMatrix = false
+
+	function addMention(mxid) {
+		if (!mentions.user_ids) mentions.user_ids = []
+		mentions.user_ids.push(mxid)
+	}
+
+	// Mentions scenarios 1 and 2, part A. i.e. translate relevant message.mentions to m.mentions
+	// (Still need to do scenarios 1 and 2 part B, and scenario 3.)
+	if (message.type === DiscordTypes.MessageType.Reply && message.message_reference?.message_id) {
+		const row = db.prepare("SELECT event_id, room_id, source FROM event_message INNER JOIN channel_room USING (channel_id) WHERE message_id = ? AND part = 0").get(message.message_reference.message_id)
+		if (row) {
+			repliedToEventId = row.event_id
+			repliedToEventRoomId = row.room_id
+			repliedToEventOriginallyFromMatrix = row.source === 0 // source 0 = matrix
+		}
+	}
+	if (repliedToEventOriginallyFromMatrix) {
+		// Need to figure out who sent that event...
+		const event = await api.getEvent(repliedToEventRoomId, repliedToEventId)
+		repliedToEventSenderMxid = event.sender
+		// Need to add the sender to m.mentions
+		addMention(repliedToEventSenderMxid)
+	}
+
 	// Text content appears first
 	if (message.content) {
 		let content = message.content
@@ -55,33 +102,63 @@ async function messageToEvent(message, guild) {
 			}
 		})
 
-		const html = markdown.toHTML(content, {
+		let html = markdown.toHTML(content, {
 			discordCallback: getDiscordParseCallbacks(message, true)
 		}, null, null)
 
-		const body = markdown.toHTML(content, {
+		let body = markdown.toHTML(content, {
 			discordCallback: getDiscordParseCallbacks(message, false),
 			discordOnly: true,
 			escapeHTML: false,
 		}, null, null)
 
+		// Fallback body/formatted_body for replies
+		if (repliedToEventId) {
+			let repliedToDisplayName
+			let repliedToUserHtml
+			if (repliedToEventOriginallyFromMatrix && repliedToEventSenderMxid) {
+				const match = repliedToEventSenderMxid.match(/^@([^:]*)/)
+				assert(match)
+				repliedToDisplayName = match[1] || "a Matrix user" // grab the localpart as the display name, whatever
+				repliedToUserHtml = `<a href="https://matrix.to/#/${repliedToEventSenderMxid}">${repliedToDisplayName}</a>`
+			} else {
+				repliedToDisplayName = message.referenced_message?.author.global_name || message.referenced_message?.author.username || "a Discord user"
+				repliedToUserHtml = repliedToDisplayName
+			}
+			const repliedToContent = message.referenced_message?.content || "[Replied-to message content wasn't provided by Discord]"
+			const repliedToHtml = markdown.toHTML(repliedToContent, {
+				discordCallback: getDiscordParseCallbacks(message, true)
+			}, null, null)
+			const repliedToBody = markdown.toHTML(repliedToContent, {
+				discordCallback: getDiscordParseCallbacks(message, false),
+				discordOnly: true,
+				escapeHTML: false,
+			}, null, null)
+			html = `<mx-reply><blockquote><a href="https://matrix.to/#/${repliedToEventRoomId}/${repliedToEventId}">In reply to</a> ${repliedToUserHtml}`
+				+ `<br>${repliedToHtml}</blockquote></mx-reply>`
+				+ html
+			body = (`${repliedToDisplayName}: ` // scenario 1 part B for mentions
+				+ repliedToBody).split("\n").map(line => "> " + line).join("\n")
+				+ "\n\n" + body
+		}
+
+		const newTextMessageEvent = {
+			$type: "m.room.message",
+			"m.mentions": mentions,
+			msgtype: "m.text",
+			body: body
+		}
+
 		const isPlaintext = body === html
 
-		if (isPlaintext) {
+		if (!isPlaintext) {
-			events.push({
+			Object.assign(newTextMessageEvent, {
-				$type: "m.room.message",
-				msgtype: "m.text",
-				body: body
-			})
-		} else {
-			events.push({
-				$type: "m.room.message",
-				msgtype: "m.text",
-				body: body,
 				format: "org.matrix.custom.html",
 				formatted_body: html
 			})
 		}
+
+		events.push(newTextMessageEvent)
 	}
 
 	// Then attachments
@@ -90,6 +167,7 @@ async function messageToEvent(message, guild) {
 		if (attachment.content_type?.startsWith("image/") && attachment.width && attachment.height) {
 			return {
 				$type: "m.room.message",
+				"m.mentions": mentions,
 				msgtype: "m.image",
 				url: await file.uploadDiscordFileToMxc(attachment.url),
 				external_url: attachment.url,
@@ -105,6 +183,7 @@ async function messageToEvent(message, guild) {
 		} else {
 			return {
 				$type: "m.room.message",
+				"m.mentions": mentions,
 				msgtype: "m.text",
 				body: "Unsupported attachment:\n" + JSON.stringify(attachment, null, 2)
 			}
@@ -122,6 +201,7 @@ async function messageToEvent(message, guild) {
 				if (sticker && sticker.description) body += ` - ${sticker.description}`
 				return {
 					$type: "m.sticker",
+					"m.mentions": mentions,
 					body,
 					info: {
 						mimetype: format.mime
@@ -131,6 +211,7 @@ async function messageToEvent(message, guild) {
 			} else {
 				return {
 					$type: "m.room.message",
+					"m.mentions": mentions,
 					msgtype: "m.text",
 					body: "Unsupported sticker format. Name: " + stickerItem.name
 				}
@@ -139,6 +220,17 @@ async function messageToEvent(message, guild) {
 		events.push(...stickerEvents)
 	}
 
+	// Rich replies
+	if (repliedToEventId) {
+		Object.assign(events[0], {
+			"m.relates_to": {
+				"m.in_reply_to": {
+					event_id: repliedToEventId
+				}
+			}
+		})
+	}
+
 	return events
 }
 

d2m/converters/message-to-event.test.js

@@ -1,11 +1,39 @@
 const {test} = require("supertape")
 const {messageToEvent} = require("./message-to-event")
 const data = require("../../test/data")
+const Ty = require("../../types")
+
+/**
+ * @param {string} roomID
+ * @param {string} eventID
+ * @returns {(roomID: string, eventID: string) => Promise<Ty.Event.Outer<Ty.Event.M_Room_Message>>}
+ */
+function mockGetEvent(t, roomID_in, eventID_in, outer) {
+	return async function(roomID, eventID) {
+		t.equal(roomID, roomID_in)
+		t.equal(eventID, eventID_in)
+		return new Promise(resolve => {
+			setTimeout(() => {
+				resolve({
+					event_id: eventID_in,
+					room_id: roomID_in,
+					origin_server_ts: 1680000000000,
+					unsigned: {
+						age: 2245,
+						transaction_id: "$local.whatever"
+					},
+					...outer
+				})
+			})
+		})
+	}
+}
 
 test("message2event: simple plaintext", async t => {
 	const events = await messageToEvent(data.message.simple_plaintext, data.guild.general)
 	t.deepEqual(events, [{
 		$type: "m.room.message",
+		"m.mentions": {},
 		msgtype: "m.text",
 		body: "ayy lmao"
 	}])
@@ -15,6 +43,7 @@ test("message2event: simple user mention", async t => {
 	const events = await messageToEvent(data.message.simple_user_mention, data.guild.general)
 	t.deepEqual(events, [{
 		$type: "m.room.message",
+		"m.mentions": {},
 		msgtype: "m.text",
 		body: "@crunch god: Tell me about Phil, renowned martial arts master and creator of the Chin Trick",
 		format: "org.matrix.custom.html",
@@ -26,6 +55,7 @@ test("message2event: simple room mention", async t => {
 	const events = await messageToEvent(data.message.simple_room_mention, data.guild.general)
 	t.deepEqual(events, [{
 		$type: "m.room.message",
+		"m.mentions": {},
 		msgtype: "m.text",
 		body: "#main",
 		format: "org.matrix.custom.html",
@@ -37,6 +67,7 @@ test("message2event: simple message link", async t => {
 	const events = await messageToEvent(data.message.simple_message_link, data.guild.general)
 	t.deepEqual(events, [{
 		$type: "m.room.message",
+		"m.mentions": {},
 		msgtype: "m.text",
 		body: "https://matrix.to/#/!kLRqKKUQXcibIMtOpl:cadence.moe/$X16nfVks1wsrhq4E9SSLiqrf2N8KD0erD0scZG7U5xg",
 		format: "org.matrix.custom.html",
@@ -48,6 +79,7 @@ test("message2event: attachment with no content", async t => {
 	const events = await messageToEvent(data.message.attachment_no_content, data.guild.general)
 	t.deepEqual(events, [{
 		$type: "m.room.message",
+		"m.mentions": {},
 		msgtype: "m.image",
 		url: "mxc://cadence.moe/qXoZktDqNtEGuOCZEADAMvhM",
 		body: "image.png",
@@ -65,10 +97,12 @@ test("message2event: stickers", async t => {
 	const events = await messageToEvent(data.message.sticker, data.guild.general)
 	t.deepEqual(events, [{
 		$type: "m.room.message",
+		"m.mentions": {},
 		msgtype: "m.text",
 		body: "can have attachments too"
 	}, {
 		$type: "m.room.message",
+		"m.mentions": {},
 		msgtype: "m.image",
 		url: "mxc://cadence.moe/ZDCNYnkPszxGKgObUIFmvjus",
 		body: "image.png",
@@ -81,6 +115,7 @@ test("message2event: stickers", async t => {
 		},
 	}, {
 		$type: "m.sticker",
+		"m.mentions": {},
 		body: "pomu puff - damn that tiny lil bitch really chuffing. puffing that fat ass dart",
 		info: {
 			mimetype: "image/png"
@@ -90,3 +125,94 @@ test("message2event: stickers", async t => {
 		url: "mxc://cadence.moe/UuUaLwXhkxFRwwWCXipDlBHn"
 	}])
 })
+
+test("message2event: skull webp attachment with content", async t => {
+	const events = await messageToEvent(data.message.skull_webp_attachment_with_content, data.guild.general)
+	t.deepEqual(events, [{
+		$type: "m.room.message",
+		"m.mentions": {},
+		msgtype: "m.text",
+		body: "Image"
+	}, {
+		$type: "m.room.message",
+		"m.mentions": {},
+		msgtype: "m.image",
+		body: "skull.webp",
+		info: {
+			w: 1200,
+			h: 628,
+			mimetype: "image/webp",
+			size: 74290
+		},
+		external_url: "https://cdn.discordapp.com/attachments/112760669178241024/1128084747910918195/skull.webp",
+		url: "mxc://cadence.moe/sDxWmDErBhYBxtDcJQgBETes"
+	}])
+})
+
+test("message2event: reply to skull webp attachment with content", async t => {
+	const events = await messageToEvent(data.message.reply_to_skull_webp_attachment_with_content, data.guild.general)
+	t.deepEqual(events, [{
+		$type: "m.room.message",
+		"m.relates_to": {
+			"m.in_reply_to": {
+				event_id: "$oLyUTyZ_7e_SUzGNWZKz880ll9amLZvXGbArJCKai2Q"
+			}
+		},
+		"m.mentions": {},
+		msgtype: "m.text",
+		body: "> Extremity: Image\n\nReply",
+		format: "org.matrix.custom.html",
+		formatted_body:
+			'<mx-reply><blockquote><a href="https://matrix.to/#/!kLRqKKUQXcibIMtOpl:cadence.moe/$oLyUTyZ_7e_SUzGNWZKz880ll9amLZvXGbArJCKai2Q">In reply to</a> Extremity'
+			+ '<br>Image</blockquote></mx-reply>'
+			+ 'Reply'
+	}, {
+		$type: "m.room.message",
+		"m.mentions": {},
+		msgtype: "m.image",
+		body: "RDT_20230704_0936184915846675925224905.jpg",
+		info: {
+			w: 2048,
+			h: 1536,
+			mimetype: "image/jpeg",
+			size: 85906
+		},
+		external_url: "https://cdn.discordapp.com/attachments/112760669178241024/1128084851023675515/RDT_20230704_0936184915846675925224905.jpg",
+		url: "mxc://cadence.moe/WlAbFSiNRIHPDEwKdyPeGywa"
+	}])
+})
+
+test("message2event: simple reply to matrix user", async t => {
+	const events = await messageToEvent(data.message.simple_reply_to_matrix_user, data.guild.general, {
+		getEvent: mockGetEvent(t, "!kLRqKKUQXcibIMtOpl:cadence.moe", "$Ij3qo7NxMA4VPexlAiIx2CB9JbsiGhJeyt-2OvkAUe4", {
+			type: "m.room.message",
+			content: {
+				msgtype: "m.text",
+				body: "so can you reply to my webhook uwu"
+			},
+			sender: "@cadence:cadence.moe"
+		})
+	})
+	t.deepEqual(events, [{
+		$type: "m.room.message",
+		"m.relates_to": {
+			"m.in_reply_to": {
+				event_id: "$Ij3qo7NxMA4VPexlAiIx2CB9JbsiGhJeyt-2OvkAUe4"
+			}
+		},
+		"m.mentions": {
+			user_ids: [
+				"@cadence:cadence.moe"
+			]
+		},
+		msgtype: "m.text",
+		body: "> cadence: so can you reply to my webhook uwu\n\nReply",
+		format: "org.matrix.custom.html",
+		formatted_body:
+			'<mx-reply><blockquote><a href="https://matrix.to/#/!kLRqKKUQXcibIMtOpl:cadence.moe/$Ij3qo7NxMA4VPexlAiIx2CB9JbsiGhJeyt-2OvkAUe4">In reply to</a> <a href="https://matrix.to/#/@cadence:cadence.moe">cadence</a>'
+			+ '<br>so can you reply to my webhook uwu</blockquote></mx-reply>'
+			+ 'Reply'
+	}])
+})
+
+// TODO: read "edits of replies" in the spec

matrix/api.js

@@ -65,6 +65,17 @@ async function leaveRoom(roomID, mxid) {
    await mreq.mreq("POST", path(`/client/v3/rooms/${roomID}/leave`, mxid), {})
 }
 
+/**
+ * @param {string} roomID
+ * @param {string} eventID
+ * @template T
+ */
+async function getEvent(roomID, eventID) {
+   /** @type {Ty.Event.Outer<T>} */
+   const root = await mreq.mreq("GET", `/client/v3/rooms/${roomID}/event/${eventID}`)
+   return root
+}
+
 /**
  * @param {string} roomID
  * @returns {Promise<Ty.Event.BaseStateEvent[]>}
@@ -73,6 +84,15 @@ function getAllState(roomID) {
    return mreq.mreq("GET", `/client/v3/rooms/${roomID}/state`)
 }
 
+/**
+ * "Any of the AS's users must be in the room. This API is primarily for Application Services and should be faster to respond than /members as it can be implemented more efficiently on the server."
+ * @param {string} roomID
+ * @returns {Promise<{joined: {[mxid: string]: Ty.R.RoomMember}}>}
+ */
+function getJoinedMembers(roomID) {
+   return mreq.mreq("GET", `/client/v3/rooms/${roomID}/joined_members`)
+}
+
 /**
  * @param {string} roomID
  * @param {string} type
@@ -114,7 +134,9 @@ module.exports.createRoom = createRoom
 module.exports.joinRoom = joinRoom
 module.exports.inviteToRoom = inviteToRoom
 module.exports.leaveRoom = leaveRoom
+module.exports.getEvent = getEvent
 module.exports.getAllState = getAllState
+module.exports.getJoinedMembers = getJoinedMembers
 module.exports.sendState = sendState
 module.exports.sendEvent = sendEvent
 module.exports.profileSetDisplayname = profileSetDisplayname

package.json

@@ -35,6 +35,6 @@
     "tap-dot": "github:cloudrac3r/tap-dot#223a4e67a6f7daf015506a12a7af74605f06c7f4"
   },
   "scripts": {
-    "test": "cross-env FORCE_COLOR=true supertape --format tap test/test.js | tap-dot"
+    "test": "cross-env FORCE_COLOR=true supertape --no-check-assertions-count --format tap test/test.js | tap-dot"
   }
 }

test/data.js

@@ -423,6 +423,434 @@ module.exports = {
 			flags: 0,
 			components: []
 		},
+		skull_webp_attachment_with_content: {
+			type: 0,
+			tts: false,
+			timestamp: "2023-07-10T22:06:02.805000+00:00",
+			referenced_message: null,
+			pinned: false,
+			nonce: "1128084721398448128",
+			mentions: [],
+			mention_roles: [],
+			mention_everyone: false,
+			member: {
+				roles: [
+					"112767366235959296",
+					"118924814567211009",
+					"199995902742626304",
+					"204427286542417920",
+					"222168467627835392",
+					"271173313575780353",
+					"392141548932038658",
+					"1040735082610167858",
+					"372954403902193689",
+					"1124134606514442300",
+					"585531096071012409"
+				],
+				premium_since: "2022-04-20T21:11:14.016000+00:00",
+				pending: false,
+				nick: "Tap to add a nickname",
+				mute: false,
+				joined_at: "2022-04-20T20:16:02.828000+00:00",
+				flags: 0,
+				deaf: false,
+				communication_disabled_until: null,
+				avatar: "a_4ea72c7b058ad848c9d9d35479fac26e"
+			},
+			id: "1128084748338741392",
+			flags: 0,
+			embeds: [],
+			edited_timestamp: null,
+			content: "Image",
+			components: [],
+			channel_id: "112760669178241024",
+			author: {
+				username: "extremity",
+				public_flags: 768,
+				id: "114147806469554185",
+				global_name: "Extremity",
+				discriminator: "0",
+				avatar_decoration: null,
+				avatar: "6628aaf6b27219c36e2d3b5cfd6d0ee6"
+			},
+			attachments: [
+				{
+					width: 1200,
+					url: "https://cdn.discordapp.com/attachments/112760669178241024/1128084747910918195/skull.webp",
+					size: 74290,
+					proxy_url: "https://media.discordapp.net/attachments/112760669178241024/1128084747910918195/skull.webp",
+					id: "1128084747910918195",
+					height: 628,
+					filename: "skull.webp",
+					content_type: "image/webp"
+				}
+			],
+			guild_id: "112760669178241024"
+		},
+		reply_to_skull_webp_attachment_with_content: {
+			type: 19,
+			tts: false,
+			timestamp: "2023-07-10T22:06:27.348000+00:00",
+			referenced_message: {
+				type: 0,
+				tts: false,
+				timestamp: "2023-07-10T22:06:02.805000+00:00",
+				pinned: false,
+				mentions: [],
+				mention_roles: [],
+				mention_everyone: false,
+				id: "1128084748338741392",
+				flags: 0,
+				embeds: [],
+				edited_timestamp: null,
+				content: "Image",
+				components: [],
+				channel_id: "112760669178241024",
+				author: {
+					username: "extremity",
+					public_flags: 768,
+					id: "114147806469554185",
+					global_name: "Extremity",
+					discriminator: "0",
+					avatar_decoration: null,
+					avatar: "6628aaf6b27219c36e2d3b5cfd6d0ee6"
+				},
+				attachments: [
+					{
+						width: 1200,
+						url: "https://cdn.discordapp.com/attachments/112760669178241024/1128084747910918195/skull.webp",
+						size: 74290,
+						proxy_url: "https://media.discordapp.net/attachments/112760669178241024/1128084747910918195/skull.webp",
+						id: "1128084747910918195",
+						height: 628,
+						filename: "skull.webp",
+						content_type: "image/webp"
+					}
+				]
+			},
+			pinned: false,
+			nonce: "1128084845403045888",
+			message_reference: {
+				message_id: "1128084748338741392",
+				guild_id: "112760669178241024",
+				channel_id: "112760669178241024"
+			},
+			mentions: [
+				{
+					username: "extremity",
+					public_flags: 768,
+					member: {
+						roles: [
+							"112767366235959296",
+							"118924814567211009",
+							"199995902742626304",
+							"204427286542417920",
+							"222168467627835392",
+							"271173313575780353",
+							"392141548932038658",
+							"1040735082610167858",
+							"372954403902193689",
+							"1124134606514442300",
+							"585531096071012409"
+						],
+						premium_since: "2022-04-20T21:11:14.016000+00:00",
+						pending: false,
+						nick: "Tap to add a nickname",
+						mute: false,
+						joined_at: "2022-04-20T20:16:02.828000+00:00",
+						flags: 0,
+						deaf: false,
+						communication_disabled_until: null,
+						avatar: "a_4ea72c7b058ad848c9d9d35479fac26e"
+					},
+					id: "114147806469554185",
+					global_name: "Extremity",
+					discriminator: "0",
+					avatar_decoration: null,
+					avatar: "6628aaf6b27219c36e2d3b5cfd6d0ee6"
+				}
+			],
+			mention_roles: [],
+			mention_everyone: false,
+			member: {
+				roles: [
+					"112767366235959296",
+					"118924814567211009",
+					"199995902742626304",
+					"204427286542417920",
+					"222168467627835392",
+					"271173313575780353",
+					"392141548932038658",
+					"1040735082610167858",
+					"372954403902193689",
+					"1124134606514442300",
+					"585531096071012409"
+				],
+				premium_since: "2022-04-20T21:11:14.016000+00:00",
+				pending: false,
+				nick: "Tap to add a nickname",
+				mute: false,
+				joined_at: "2022-04-20T20:16:02.828000+00:00",
+				flags: 0,
+				deaf: false,
+				communication_disabled_until: null,
+				avatar: "a_4ea72c7b058ad848c9d9d35479fac26e"
+			},
+			id: "1128084851279536279",
+			flags: 0,
+			embeds: [],
+			edited_timestamp: null,
+			content: "Reply",
+			components: [],
+			channel_id: "112760669178241024",
+			author: {
+				username: "extremity",
+				public_flags: 768,
+				id: "114147806469554185",
+				global_name: "Extremity",
+				discriminator: "0",
+				avatar_decoration: null,
+				avatar: "6628aaf6b27219c36e2d3b5cfd6d0ee6"
+			},
+			attachments: [
+				{
+					width: 2048,
+					url: "https://cdn.discordapp.com/attachments/112760669178241024/1128084851023675515/RDT_20230704_0936184915846675925224905.jpg",
+					size: 85906,
+					proxy_url: "https://media.discordapp.net/attachments/112760669178241024/1128084851023675515/RDT_20230704_0936184915846675925224905.jpg",
+					id: "1128084851023675515",
+					height: 1536,
+					filename: "RDT_20230704_0936184915846675925224905.jpg",
+					content_type: "image/jpeg"
+				}
+			],
+			guild_id: "112760669178241024"
+		},
+		simple_reply_to_matrix_user: {
+			type: 19,
+			tts: false,
+			timestamp: "2023-07-11T00:19:04.358000+00:00",
+			referenced_message: {
+				webhook_id: "703458020193206272",
+				type: 0,
+				tts: false,
+				timestamp: "2023-07-11T00:18:52.856000+00:00",
+				pinned: false,
+				mentions: [],
+				mention_roles: [],
+				mention_everyone: false,
+				id: "1128118177155526666",
+				flags: 0,
+				embeds: [],
+				edited_timestamp: null,
+				content: "so can you reply to my webhook uwu",
+				components: [],
+				channel_id: "112760669178241024",
+				author: {
+					username: "cadence",
+					id: "703458020193206272",
+					discriminator: "0000",
+					bot: true,
+					avatar: "ea5413d310c85eb9edaa9db865e80155"
+				},
+				attachments: [],
+				application_id: "684280192553844747"
+			},
+			pinned: false,
+			nonce: "1128118222315323392",
+			message_reference: {
+				message_id: "1128118177155526666",
+				guild_id: "112760669178241024",
+				channel_id: "112760669178241024"
+			},
+			mentions: [],
+			mention_roles: [],
+			mention_everyone: false,
+			member: {
+				roles: [
+					"112767366235959296",  "118924814567211009",
+					"204427286542417920",  "199995902742626304",
+					"222168467627835392",  "238028326281805825",
+					"259806643414499328",  "265239342648131584",
+					"271173313575780353",  "287733611912757249",
+					"225744901915148298",  "305775031223320577",
+					"318243902521868288",  "348651574924541953",
+					"349185088157777920",  "378402925128712193",
+					"392141548932038658",  "393912152173576203",
+					"482860581670486028",  "495384759074160642",
+					"638988388740890635",  "373336013109461013",
+					"530220455085473813",  "454567553738473472",
+					"790724320824655873",  "1123518980456452097",
+					"1040735082610167858", "695946570482450442",
+					"1123460940935991296", "849737964090556488"
+				],
+				premium_since: null,
+				pending: false,
+				nick: null,
+				mute: false,
+				joined_at: "2015-11-11T09:55:40.321000+00:00",
+				flags: 0,
+				deaf: false,
+				communication_disabled_until: null,
+				avatar: null
+			},
+			id: "1128118225398407228",
+			flags: 0,
+			embeds: [],
+			edited_timestamp: null,
+			content: "Reply",
+			components: [],
+			channel_id: "112760669178241024",
+			author: {
+				username: "kumaccino",
+				public_flags: 128,
+				id: "113340068197859328",
+				global_name: "kumaccino",
+				discriminator: "0",
+				avatar_decoration: null,
+				avatar: "b48302623a12bc7c59a71328f72ccb39"
+			},
+			attachments: [],
+			guild_id: "112760669178241024"
+		},
+		edit_of_reply_to_skull_webp_attachment_with_content: {
+			type: 19,
+			tts: false,
+			timestamp: "2023-07-10T22:06:27.348000+00:00",
+			referenced_message: {
+				type: 0,
+				tts: false,
+				timestamp: "2023-07-10T22:06:02.805000+00:00",
+				pinned: false,
+				mentions: [],
+				mention_roles: [],
+				mention_everyone: false,
+				id: "1128084748338741392",
+				flags: 0,
+				embeds: [],
+				edited_timestamp: null,
+				content: "Image",
+				components: [],
+				channel_id: "112760669178241024",
+				author: {
+					username: "extremity",
+					public_flags: 768,
+					id: "114147806469554185",
+					global_name: "Extremity",
+					discriminator: "0",
+					avatar_decoration: null,
+					avatar: "6628aaf6b27219c36e2d3b5cfd6d0ee6"
+				},
+				attachments: [
+					{
+						width: 1200,
+						url: "https://cdn.discordapp.com/attachments/112760669178241024/1128084747910918195/skull.webp",
+						size: 74290,
+						proxy_url: "https://media.discordapp.net/attachments/112760669178241024/1128084747910918195/skull.webp",
+						id: "1128084747910918195",
+						height: 628,
+						filename: "skull.webp",
+						content_type: "image/webp"
+					}
+				]
+			},
+			pinned: false,
+			message_reference: {
+				message_id: "1128084748338741392",
+				guild_id: "112760669178241024",
+				channel_id: "112760669178241024"
+			},
+			mentions: [
+				{
+					username: "extremity",
+					public_flags: 768,
+					member: {
+						roles: [
+							"112767366235959296",
+							"118924814567211009",
+							"199995902742626304",
+							"204427286542417920",
+							"222168467627835392",
+							"271173313575780353",
+							"392141548932038658",
+							"1040735082610167858",
+							"372954403902193689",
+							"1124134606514442300",
+							"585531096071012409"
+						],
+						premium_since: "2022-04-20T21:11:14.016000+00:00",
+						pending: false,
+						nick: "Tap to add a nickname",
+						mute: false,
+						joined_at: "2022-04-20T20:16:02.828000+00:00",
+						flags: 0,
+						deaf: false,
+						communication_disabled_until: null,
+						avatar: "a_4ea72c7b058ad848c9d9d35479fac26e"
+					},
+					id: "114147806469554185",
+					global_name: "Extremity",
+					discriminator: "0",
+					avatar_decoration: null,
+					avatar: "6628aaf6b27219c36e2d3b5cfd6d0ee6"
+				}
+			],
+			mention_roles: [],
+			mention_everyone: false,
+			member: {
+				roles: [
+					"112767366235959296",
+					"118924814567211009",
+					"199995902742626304",
+					"204427286542417920",
+					"222168467627835392",
+					"271173313575780353",
+					"392141548932038658",
+					"1040735082610167858",
+					"372954403902193689",
+					"1124134606514442300",
+					"585531096071012409"
+				],
+				premium_since: "2022-04-20T21:11:14.016000+00:00",
+				pending: false,
+				nick: "Tap to add a nickname",
+				mute: false,
+				joined_at: "2022-04-20T20:16:02.828000+00:00",
+				flags: 0,
+				deaf: false,
+				communication_disabled_until: null,
+				avatar: "a_4ea72c7b058ad848c9d9d35479fac26e"
+			},
+			id: "1128084851279536279",
+			flags: 0,
+			embeds: [],
+			edited_timestamp: "2023-07-10T22:08:57.442417+00:00",
+			content: "Edit",
+			components: [],
+			channel_id: "112760669178241024",
+			author: {
+				username: "extremity",
+				public_flags: 768,
+				id: "114147806469554185",
+				global_name: "Extremity",
+				discriminator: "0",
+				avatar_decoration: null,
+				avatar: "6628aaf6b27219c36e2d3b5cfd6d0ee6"
+			},
+			attachments: [
+				{
+					width: 2048,
+					url: "https://cdn.discordapp.com/attachments/112760669178241024/1128084851023675515/RDT_20230704_0936184915846675925224905.jpg",
+					size: 85906,
+					proxy_url: "https://media.discordapp.net/attachments/112760669178241024/1128084851023675515/RDT_20230704_0936184915846675925224905.jpg",
+					id: "1128084851023675515",
+					height: 1536,
+					filename: "RDT_20230704_0936184915846675925224905.jpg",
+					content_type: "image/jpeg"
+				}
+			],
+			guild_id: "112760669178241024"
+		},
 		sticker: {
 			id: "1106366167788044450",
 			type: 0,

types.d.ts

@@ -81,6 +81,11 @@ namespace R {
 		room_id: string
 	}
 
+	export type RoomMember = {
+		avatar_url: string
+		display_name: string
+	}
+
 	export type FileUploaded = {
 		content_uri: string
 	}