another conflict nooooo

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

@@ -916,7 +916,7 @@ async function messageToEvent(message, guild, options = {}, di) {
 			// Add time
 			if (event.scheduled_end_time) {
 				const formatter = new Intl.DateTimeFormat("en-NZ", {weekday: "long", month: "long", day: "numeric", hour: "numeric", minute: "2-digit", timeZone: "UTC"}) // 9 June at 3:00 pm NZT
-				var displayTime = formatter.formatRange(new Date(event.scheduled_start_time), new Date(event.scheduled_end_time)) + " (UTC)"
+				var displayTime = (formatter.formatRange(new Date(event.scheduled_start_time), new Date(event.scheduled_end_time)) + " (UTC)").replaceAll(/\p{Zs}/gv, " ")
 			} else {
 				var displayTime = discordTime.convertDiscordTime(unixSeconds, "F")
 			}

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

@@ -1589,12 +1589,12 @@ test("message2event: irl invite event renders embed", async t => {
 		{
 			$type: "m.room.message",
 			msgtype: "m.notice",
-			body: `| Scheduled Event - Sunday, 8 June, 10:00 am – 12:00 pm (UTC)`
+			body: `| Scheduled Event - Sunday, 8 June, 10:00 am – 12:00 pm (UTC)`
 				+ `\n| ## forest exploration`
 				+ `\n| `
 				+ `\n| 📍 the dark forest`,
 			format: "org.matrix.custom.html",
-			formatted_body: `<blockquote><p>Scheduled Event - <a href=\"https://bridge.example.org/time/1749376800/F\">Sunday, 8 June, 10:00 am – 12:00 pm (UTC)</a></p>`
+			formatted_body: `<blockquote><p>Scheduled Event - <a href=\"https://bridge.example.org/time/1749376800/F\">Sunday, 8 June, 10:00 am – 12:00 pm (UTC)</a></p>`
 				+ `<strong>forest exploration</strong>`
 				+ `<p>📍 the dark forest</p></blockquote>`,
 			"m.mentions": {}

src/db/migrations/0041-room-mention-role.sql

@@ -0,0 +1,5 @@
+BEGIN TRANSACTION;
+
+ALTER TABLE channel_room ADD COLUMN room_mention_role TEXT;
+
+COMMIT;

src/db/orm-defs.d.ts

@@ -21,6 +21,7 @@ export type Models = {
 		speedbump_checked: number | null
 		guild_id: string | null
 		custom_topic: number
+		room_mention_role: string | null
 	}
 
 	channel_speedbump: {

src/discord/time.js

@@ -44,7 +44,7 @@ function getFormatOptions(style) {
 function convertDiscordTime(timestamp, style) {
 	const formatter = new Intl.DateTimeFormat("en-NZ", getFormatOptions(style))
 	const d = new Date(timestamp * 1000)
-	return formatter.format(d) + " (UTC)"
+	return (formatter.format(d) + " (UTC)").replaceAll(/\p{Zs}/gv, " ")
 }
 
 module.exports.getFormatOptions = getFormatOptions

src/m2d/converters/event-to-message.js

@@ -452,23 +452,24 @@ async function handleRoomOrMessageLinks(input, di) {
 
 /**
  * @param {string} content
- * @param {string} senderMxid
- * @param {string} roomID
+ * @param {{content: any, room_id: string, sender: string}} event
  * @param {DiscordTypes.APIGuild} guild
  * @param {{api: import("../../matrix/api"), snow: import("snowtransfer").SnowTransfer}} di
  */
-async function checkWrittenMentions(content, senderMxid, roomID, guild, di) {
+async function checkWrittenMentions(content, event, guild, di) {
 	let writtenMentionMatch = content.match(/(?:^|[^"[<>/A-Za-z0-9])@([A-Za-z][A-Za-z0-9._\[\]\(\)-]+):?/d) // /d flag for indices requires node.js 16+
 	if (writtenMentionMatch) {
-		if (writtenMentionMatch[1] === "room") { // convert @room to @everyone
-			const {powers: {[senderMxid]: userPower}, powerLevels} = await mxUtils.getEffectivePower(roomID, [senderMxid], di.api)
+		if (writtenMentionMatch[1] === "room") { // convert @room to discord
+			if (("m.mentions" in event.content) && !event.content["m.mentions"].room) return // check it's allowed by m.mentions if present
+			const {powers: {[event.sender]: userPower}, powerLevels} = await mxUtils.getEffectivePower(event.room_id, [event.sender], di.api)
 			if (userPower >= (powerLevels.notifications?.room ?? 50)) {
+				const roleID = select("channel_room", "room_mention_role", {room_id: event.room_id}).pluck().get()
 				return {
 					// @ts-ignore - typescript doesn't know about indices yet
-					content: content.slice(0, writtenMentionMatch.indices[1][0]-1) + `@everyone` + content.slice(writtenMentionMatch.indices[1][1]),
+					content: content.slice(0, writtenMentionMatch.indices[1][0]-1) + (roleID ? `<@&${roleID}>` : "@everyone") + content.slice(writtenMentionMatch.indices[1][1]),
 					ensureJoined: [],
-					/**@type {DiscordTypes.AllowedMentionsTypes[]}*/ // @ts-ignore - TypeScript is for whatever reason conviced that "everyone" cannot be assigned to AllowedMentionsTypes, but if you „Go to Definition”, you'll see that "everyone" is a valid enum value.
-					allowedMentionsParse: ["everyone"],
+					/**@type {DiscordTypes.AllowedMentionsTypes[]}*/ // @ts-ignore - TypeScript is for whatever reason convinced that "everyone" cannot be assigned to AllowedMentionsTypes, but if you „Go to Definition”, you'll see that "everyone" is a valid enum value.
+					allowedMentionsParse: roleID ? [] : ["everyone"],
 					allowedMentionsUsers: []
 				}
 			}
@@ -862,6 +863,8 @@ async function eventToMessage(event, guild, channel, di) {
 					}
 				})
 
+				input = input.replace(/<a\s[^>]*href="https:\/\/matrix\.to\/#\/(?:!|%21|#|%23)[^"\/]*"[^>]*>@room<\/a>/g, "@room")
+
 				// Handling mentions of rooms and room-messages
 				input = await handleRoomOrMessageLinks(input, di)
 
@@ -913,7 +916,7 @@ async function eventToMessage(event, guild, channel, di) {
 
 						// Check written mentions
 						if (node.nodeType === 3 && node.nodeValue.includes("@") && !nodeIsChildOf(node, ["A", "CODE", "PRE"])) {
-							const result = await checkWrittenMentions(node.nodeValue, event.sender, event.room_id, guild, di)
+							const result = await checkWrittenMentions(node.nodeValue, event, guild, di)
 							if (result) {
 								node.nodeValue = result.content
 								ensureJoined.push(...result.ensureJoined)
@@ -1031,7 +1034,7 @@ async function eventToMessage(event, guild, channel, di) {
 					}
 				}
 
-				const result = await checkWrittenMentions(content, event.sender, event.room_id, guild, di)
+				const result = await checkWrittenMentions(content, event, guild, di)
 				if (result) {
 					content = result.content
 					ensureJoined.push(...result.ensureJoined)

src/m2d/converters/event-to-message.test.js

@@ -4,7 +4,7 @@ const DiscordTypes = require("discord-api-types/v10")
 const {eventToMessage} = require("./event-to-message")
 const data = require("../../../test/data")
 const {MatrixServerError} = require("../../matrix/mreq")
-const {select, discord} = require("../../passthrough")
+const {select, discord, db} = require("../../passthrough")
 
 /**
  * @param {string} roomID
@@ -5521,6 +5521,9 @@ test("event2message: @room converts to @everyone and is allowed when the room do
 			type: "m.room.message",
 			sender: "@cadence:cadence.moe",
 			content: {
+				"m.mentions": {
+					room: true
+				},
 				msgtype: "m.text",
 				body: "@room dinner's ready",
 			},
@@ -5563,7 +5566,124 @@ test("event2message: @room converts to @everyone and is allowed when the room do
 				content: "@everyone dinner's ready",
 				avatar_url: "https://bridge.example.org/download/letter-avatar?letter=C&hue=90",
 				allowed_mentions: {
-					parse: ["users", "roles", "everyone"]
+					users: [],
+					parse: ["roles", "everyone"]
+				}
+			}],
+			ensureJoined: []
+		}
+	)
+})
+
+test("event2message: @room is converted to a role in configured rooms", async t => {
+	let called = 0
+	t.deepEqual(
+		await eventToMessage({
+			type: "m.room.message",
+			sender: "@cadence:cadence.moe",
+			content: {
+				msgtype: "m.text",
+				body: "@room dinner's ready",
+			},
+			room_id: "!fGgIymcYWOqjbSRUdV:cadence.moe",
+			event_id: "$SiXetU9h9Dg-M9Frcw_C6ahnoXZ3QPZe3MVJR5tcB9A"
+		}, data.guild.general, data.channel.general, {
+			api: {
+				async getStateEvent(roomID, type, key) {
+					called++
+					t.equal(roomID, "!fGgIymcYWOqjbSRUdV:cadence.moe")
+					t.equal(type, "m.room.power_levels")
+					t.equal(key, "")
+					return {
+						users: {},
+						notifications: {
+							room: 0
+						}
+					}
+				},
+				async getStateEventOuter(roomID, type, key) {
+					t.equal(roomID, "!fGgIymcYWOqjbSRUdV:cadence.moe")
+					t.equal(type, "m.room.create")
+					t.equal(key, "")
+					return {
+						type: "m.room.create",
+						state_key: "",
+						sender: "@_ooye_bot:cadence.moe",
+						content: {
+							room_version: "11"
+						}
+					}
+				}
+			}
+		}),
+		{
+			messagesToDelete: [],
+			messagesToEdit: [],
+			messagesToSend: [{
+				username: "cadence [they]",
+				content: "<@&123456> dinner's ready",
+				avatar_url: "https://bridge.example.org/download/matrix/cadence.moe/azCAhThKTojXSZJRoWwZmhvU?preset=avatar",
+				allowed_mentions: {
+					parse: ["users", "roles"]
+				}
+			}],
+			ensureJoined: []
+		}
+	)
+})
+
+test("event2message: @room is not allowed with mismatched m.mentions", async t => {
+	let called = 0
+	t.deepEqual(
+		await eventToMessage({
+			type: "m.room.message",
+			sender: "@cadence:cadence.moe",
+			content: {
+				"m.mentions": {},
+				msgtype: "m.text",
+				body: "@room dinner's ready",
+			},
+			room_id: "!kLRqKKUQXcibIMtOpl:cadence.moe",
+			event_id: "$SiXetU9h9Dg-M9Frcw_C6ahnoXZ3QPZe3MVJR5tcB9A"
+		}, data.guild.general, data.channel.general, {
+			api: {
+				async getStateEvent(roomID, type, key) {
+					called++
+					t.equal(roomID, "!kLRqKKUQXcibIMtOpl:cadence.moe")
+					t.equal(type, "m.room.power_levels")
+					t.equal(key, "")
+					return {
+						users: {},
+						notifications: {
+							room: 0
+						}
+					}
+				},
+				async getStateEventOuter(roomID, type, key) {
+					t.equal(roomID, "!kLRqKKUQXcibIMtOpl:cadence.moe")
+					t.equal(type, "m.room.create")
+					t.equal(key, "")
+					return {
+						type: "m.room.create",
+						state_key: "",
+						sender: "@_ooye_bot:cadence.moe",
+						content: {
+							room_version: "11"
+						}
+					}
+				}
+			}
+		}),
+		{
+			messagesToDelete: [],
+			messagesToEdit: [],
+			messagesToSend: [{
+				username: "cadence [they]",
+				content: "@room dinner's ready",
+				avatar_url: "https://bridge.example.org/download/letter-avatar?letter=C&hue=90",
+				allowed_mentions: {
+					users: [],
+					parse: ["roles"]
 				}
 			}],
 			ensureJoined: []

src/web/pug/guild.pug

@@ -188,6 +188,72 @@ block body
               td(colspan="3")
                 .s-empty-state No channels linked between Discord and Matrix yet...
 
+  if space_id && linkedChannelsWithDetails.length
+    - const customMentionRooms = linkedChannelsWithDetails.filter(row => row.room_mention_role)
+    - const defaultMentionRooms = linkedChannelsWithDetails.filter(row => !row.room_mention_role)
+    - const mentionRoles = [...guild.roles].filter(role => role.id !== guild_id).sort((a, b) => b.position - a.position)
+    h3.mt32.fs-category#room-notifications Room notifications
+    .s-card.p0
+      p.s-description.m12 Choose which Discord role receives Matrix @room notifications
+      if customMentionRooms.length
+        .s-table-container(style="container-type: inline-size")
+          table.s-table.s-table__bx-simple(style="table-layout: fixed")
+            thead
+              tr
+                th(scope="col" style="width: calc(50cqw - 40px)") Channel
+                th.pr12(scope="col") Notify role
+            tbody
+              each row in customMentionRooms
+                tr
+                  td.va-middle
+                    +discord(row.channel)
+                  td.pr12
+                    .d-flex.ai-start.g8
+                      form.fl-grow1.wmn0.d-flex.ai-stretch.g8(method="post" action=rel("/api/room-mention-role"))
+                        input(type="hidden" name="guild_id" value=guild_id)
+                        input(type="hidden" name="channel_id" value=row.channel.id)
+                        .s-select.fl-grow1.wmn0
+                          select.w100(name="room_mention_role" id="mention-role-" + row.channel.id aria-label="Notify role for #" + row.channel.name onchange="this.form.requestSubmit()" style="height: 32px")
+                            if !mentionRoles.some(role => role.id === row.room_mention_role)
+                              option(value=row.room_mention_role selected disabled) Deleted role (choose a replacement)
+                            each role in mentionRoles
+                              option(value=role.id selected=row.room_mention_role === role.id)= "@" + role.name
+                        button.s-btn.s-btn__outlined.py0.box-border(type="submit" data-room-mention-save style="height: 32px; min-height: 0") Save
+                      form.d-flex.ai-stretch(method="post" action=rel("/api/room-mention-role"))
+                        input(type="hidden" name="guild_id" value=guild_id)
+                        input(type="hidden" name="channel_id" value=row.channel.id)
+                        input(type="hidden" name="room_mention_role" value="")
+                        button.s-btn.s-btn__danger.s-btn__outlined.py0(type="submit" aria-label="Remove custom role for #" + row.channel.name style="height: 32px") Remove
+
+        script.
+          document.querySelectorAll('[data-room-mention-save]').forEach(button => button.remove())
+
+      if defaultMentionRooms.length && mentionRoles.length
+        details.mt16.mx12.mb12
+          summary.s-label.cursor-pointer Add custom role
+          form.mt16(method="post" action=rel("/api/room-mention-role"))
+            input(type="hidden" name="guild_id" value=guild_id)
+            .d-flex.fw-wrap.ai-end.g16
+              .fl-grow1.wmn0(style="flex-basis: 0; min-width: 180px")
+                label.s-label(for="mention-role-channel") Channel
+                .s-select
+                  select.w100.box-border#mention-role-channel(name="channel_id" required style="height: 32px")
+                    option(value="" selected disabled) Choose a channel
+                    each row in defaultMentionRooms
+                      - const parent = discord.channels.get(row.channel.parent_id)
+                      option(value=row.channel.id)= "#" + row.channel.name + (parent ? " - " + parent.name : "")
+              .fl-grow1.wmn0(style="flex-basis: 0; min-width: 180px")
+                label.s-label(for="mention-role-new") Notify role
+                .s-select
+                  select.w100.box-border#mention-role-new(name="room_mention_role" required style="height: 32px")
+                    option(value="" selected disabled) Choose a role
+                    each role in mentionRoles
+                      option(value=role.id)= "@" + role.name
+              .d-flex.ai-stretch(style="height: 32px")
+                button.s-btn.s-btn__icon.s-btn__filled.d-inline-flex.ai-center.g4.py0.box-border(type="submit" style="min-height: 0")
+                  != icons.Icons.IconPlusSm
+                  span Add
+
   h3.fs-category.mt32 Auto-create
   .s-card.d-grid.px0
     form.d-flex.ai-center.g16

src/web/routes/guild-settings.js

@@ -140,3 +140,22 @@ as.router.post("/api/default-roles", defineEventHandler(async event => {
 		return sendRedirect(event, `/guild?guild_id=${guildID}`, 302)
 	}
 }))
+
+// An empty role restores @everyone
+as.router.post("/api/room-mention-role", defineEventHandler(async event => {
+	const body = await readValidatedBody(event, z.object({
+		guild_id: z.string(),
+		channel_id: z.string(),
+		room_mention_role: z.string().regex(/^(?:[0-9]+)?$/)
+	}).parse)
+	const managed = await auth.getManagedGuilds(event)
+	if (!managed.has(body.guild_id)) throw createError({status: 403, message: "Forbidden", data: "Can't change settings for a guild you don't have Manage Server permissions in"})
+	const room = select("channel_room", "room_id", {channel_id: body.channel_id, guild_id: body.guild_id}).get()
+	if (!room) throw createError({status: 404, message: "Linked channel not found"})
+	const guild = discord.guilds.get(body.guild_id)
+	if (body.room_mention_role && (!guild?.roles.some(role => role.id === body.room_mention_role) || body.room_mention_role === body.guild_id)) {
+		throw createError({status: 400, message: "Choose a role from this server"})
+	}
+	db.prepare("UPDATE channel_room SET room_mention_role = ? WHERE channel_id = ? AND guild_id = ?").run(body.room_mention_role || null, body.channel_id, body.guild_id)
+	return sendRedirect(event, `/guild?guild_id=${body.guild_id}#room-notifications`, 302)
+}))

src/web/routes/guild-settings.test.js

@@ -2,7 +2,7 @@
 
 const {tryToCatch} = require("try-to-catch")
 const {router, test} = require("../../../test/web")
-const {select} = require("../../passthrough")
+const {select, discord} = require("../../passthrough")
 const {MatrixServerError} = require("../../matrix/mreq")
 
 test("web autocreate: checks permissions", async t => {

src/web/routes/guild.js

@@ -124,7 +124,7 @@ function getChannelRoomsLinks(guild, rooms, roles, space) {
 	let channelIDs = discord.guildChannelMap.get(guild.id)
 	assert(channelIDs)
 
-	let linkedChannels = select("channel_room", ["channel_id", "room_id", "name", "nick"], {channel_id: channelIDs}).all()
+	let linkedChannels = select("channel_room", ["channel_id", "room_id", "name", "nick", "room_mention_role"], {channel_id: channelIDs}).all()
 	let linkedChannelsWithDetails = linkedChannels.map(c => ({
 		// @ts-ignore
 		/** @type {DiscordTypes.APIGuildChannel} */ channel: discord.channels.get(c.channel_id),

start.js

@@ -1,10 +1,8 @@
 #!/usr/bin/env node
 // @ts-check
 
-// Temporal API stabilised in Node.js 26. Previous versions can use `--harmony-temporal`, but that's jank, so have a polyfill.
-if (!("Temporal" in globalThis)) {
-	require("temporal-polyfill-lite/global")
-}
+// Ensure consistent output from the Intl and Temporal API across Node.js versions
+require("temporal-polyfill-lite/global")
 
 const fs = require("fs")
 const sqlite = require("better-sqlite3")

test/ooye-test-data.sql

@@ -25,6 +25,7 @@ INSERT INTO channel_room (channel_id, room_id, name, nick, thread_parent, custom
 ('1161864271370666075', '!mHmhQQPwXNananMUqq:cadence.moe', 'updates', NULL, NULL, NULL, '112760669178241024'),
 ('1438284564815548418', '!MHxNpwtgVqWOrmyoTn:cadence.moe', 'sin-cave', NULL, NULL, NULL, '665289423482519565'),
 ('598707048112193536', '!JBxeGYnzQwLnaooOLD:cadence.moe', 'winners', NULL, NULL, NULL, '1345641201902288987');
+UPDATE channel_room SET room_mention_role = '123456' WHERE room_id = '!fGgIymcYWOqjbSRUdV:cadence.moe';
 
 INSERT INTO historical_channel_room (reference_channel_id, room_id, upgraded_timestamp) SELECT channel_id, room_id, 0 FROM channel_room;
 

test/test.js

@@ -1,5 +1,8 @@
 // @ts-check
 
+// Ensure consistent output from the Intl and Temporal API across Node.js versions
+require("temporal-polyfill-lite/global")
+
 const fs = require("fs")
 const {join} = require("path")
 const sqlite = require("better-sqlite3")