add tests, implement kstate and state diffing

d2m/actions/create-room.js

@@ -1,6 +1,8 @@
 // @ts-check
 
 const assert = require("assert").strict
+const {test} = require("supertape")
+const testData = require("../../test/data")
 const DiscordTypes = require("discord-api-types/v10")
 
 const passthrough = require("../../passthrough")
@@ -10,22 +12,134 @@ const mreq = sync.require("../../matrix/mreq")
 /** @type {import("../../matrix/file")} */
 const file = sync.require("../../matrix/file")
 
+function kstateToState(kstate) {
+	return Object.entries(kstate).map(([k, content]) => {
+		console.log(k)
+		const [type, state_key] = k.split("/")
+		assert.ok(typeof type === "string")
+		assert.ok(typeof state_key === "string")
+		return {type, state_key, content}
+	})
+}
+
+test("kstate2state: general", t => {
+	t.deepEqual(kstateToState({
+		"m.room.name/": {name: "test name"},
+		"m.room.member/@cadence:cadence.moe": {membership: "join"}
+	}), [
+		{
+			type: "m.room.name",
+			state_key: "",
+			content: {
+				name: "test name"
+			}
+		},
+		{
+			type: "m.room.member",
+			state_key: "@cadence:cadence.moe",
+			content: {
+				membership: "join"
+			}
+		}
+	])
+})
+
+function diffKState(actual, target) {
+	const diff = {}
+	// go through each key that it should have
+	for (const key of Object.keys(target)) {
+		if (key in actual) {
+			// diff
+			try {
+				assert.deepEqual(actual[key], target[key])
+			} catch (e) {
+				// they differ. reassign the target
+				diff[key] = target[key]
+			}
+		} else {
+			// not present, needs to be added
+			diff[key] = target[key]
+		}
+	}
+	return diff
+}
+
+test("diffKState: detects edits", t => {
+	t.deepEqual(
+		diffKState({
+			"m.room.name/": {name: "test name"},
+			"same/": {a: 2}
+		}, {
+			"m.room.name/": {name: "edited name"},
+			"same/": {a: 2}
+		}),
+		{
+			"m.room.name/": {name: "edited name"}
+		}
+	)
+})
+
+test("diffKState: detects new properties", t => {
+	t.deepEqual(
+		diffKState({
+			"m.room.name/": {name: "test name"},
+		}, {
+			"m.room.name/": {name: "test name"},
+			"new/": {a: 2}
+		}),
+		{
+			"new/": {a: 2}
+		}
+	)
+})
+
 /**
  * @param {import("discord-api-types/v10").APIGuildTextChannel} channel
+ * @param {import("discord-api-types/v10").APIGuild} guild
  */
-async function createRoom(channel) {
-	const guildID = channel.guild_id
-	assert.ok(guildID)
-	const guild = discord.guilds.get(guildID)
-	assert.ok(guild)
-	const spaceID = db.prepare("SELECT space_id FROM guild_space WHERE guild_id = ?").pluck().get(guildID)
+async function channelToKState(channel, guild) {
+	const spaceID = db.prepare("SELECT space_id FROM guild_space WHERE guild_id = ?").pluck().get(guild.id)
 	assert.ok(typeof spaceID === "string")
 
 	const avatarEventContent = {}
 	if (guild.icon) {
-		avatarEventContent.url = await file.uploadDiscordFileToMxc(file.guildIcon(guild))
+		avatarEventContent.discord_path = file.guildIcon(guild)
+		avatarEventContent.url = await file.uploadDiscordFileToMxc(avatarEventContent.discord_path)
 	}
 
+	const kstate = {
+		"m.room.name/": {name: channel.name},
+		"m.room.topic/": {topic: channel.topic || undefined},
+		"m.room.avatar/": avatarEventContent,
+		"m.room.guest_access/": {guest_access: "can_join"},
+		"m.room.history_visibility/": {history_visibility: "invited"},
+		[`m.space.parent/${spaceID}`]: { // TODO: put the proper server here
+			via: ["cadence.moe"],
+			canonical: true
+		},
+		"m.room.join_rules/": {
+			join_rule: "restricted",
+			allow: [{
+				type: "m.room.membership",
+				room_id: spaceID
+			}]
+		}
+	}
+
+	return {spaceID, kstate}
+}
+
+test("channel2room: general", async t => {
+	t.deepEqual(await channelToKState(testData.channel.general, testData.guild.general).then(x => x.kstate), {expected: true, ...testData.room.general})
+})
+
+/**
+ * @param {import("discord-api-types/v10").APIGuildTextChannel} channel
+ * @param guild
+ * @param {string} spaceID
+ * @param {any} kstate
+ */
+async function createRoom(channel, guild, spaceID, kstate) {
 	/** @type {import("../../types").R_RoomCreated} */
 	const root = await mreq.mreq("POST", "/client/v3/createRoom", {
 		name: channel.name,
@@ -33,45 +147,7 @@ async function createRoom(channel) {
 		preset: "private_chat",
 		visibility: "private",
 		invite: ["@cadence:cadence.moe"], // TODO
-		initial_state: [
-			{
-				type: "m.room.avatar",
-				state_key: "",
-				content: avatarEventContent
-			},
-			{
-				type: "m.room.guest_access",
-				state_key: "",
-				content: {
-					guest_access: "can_join"
-				}
-			},
-			{
-				type: "m.room.history_visibility",
-				state_key: "",
-				content: {
-					history_visibility: "invited"
-				}
-			},
-			{
-				type: "m.space.parent",
-				state_key: spaceID,
-				content: {
-					via: ["cadence.moe"], // TODO: put the proper server here
-					canonical: true
-				}
-			},
-			{
-				type: "m.room.join_rules",
-				content: {
-					join_rule: "restricted",
-					allow: [{
-						type: "m.room.membership",
-						room_id: spaceID
-					}]
-				}
-			}
-		]
+		initial_state: kstateToState(kstate)
 	})
 
 	db.prepare("INSERT INTO channel_room (channel_id, room_id) VALUES (?, ?)").run(channel.id, root.room_id)
@@ -82,6 +158,24 @@ async function createRoom(channel) {
 	})
 }
 
+/**
+ * @param {import("discord-api-types/v10").APIGuildTextChannel} channel
+ */
+async function syncRoom(channel) {
+	const guildID = channel.guild_id
+	assert(guildID)
+	const guild = discord.guilds.get(guildID)
+	assert(guild)
+
+	const {spaceID, kstate} = await channelToKState(channel, guild)
+
+	/** @type {string?} */
+	const existing = db.prepare("SELECT room_id from channel_room WHERE channel_id = ?").pluck().get(channel.id)
+	if (!existing) {
+		createRoom(channel, guild, spaceID, kstate)
+	}
+}
+
 async function createAllForGuild(guildID) {
 	const channelIDs = discord.guildChannelMap.get(guildID)
 	assert.ok(channelIDs)

d2m/actions/send-message.js

@@ -2,14 +2,14 @@
 
 const reg = require("../../matrix/read-registration.js")
 const makeTxnId = require("../../matrix/txnid.js")
-const fetch = require("node-fetch")
+const fetch = require("node-fetch").default
 const messageToEvent = require("../converters/message-to-event.js")
 
 /**
  * @param {import("discord-api-types/v10").GatewayMessageCreateDispatchData} message
  */
 function sendMessage(message) {
-	const event = messageToEvent(message)
+	const event = messageToEvent.messageToEvent(message)
 	return fetch(`https://matrix.cadence.moe/_matrix/client/v3/rooms/!VwVlIAjOjejUpDhlbA:cadence.moe/send/m.room.message/${makeTxnId()}?user_id=@_ooye_example:cadence.moe`, {
 		method: "PUT",
 		body: JSON.stringify(event),

d2m/converters/message-to-event.js

@@ -6,7 +6,7 @@ const markdown = require("discord-markdown")
  * @param {import("discord-api-types/v10").APIMessage} message
  * @returns {import("../../types").M_Room_Message_content}
  */
-module.exports = function messageToEvent(message) {
+function messageToEvent(message) {
 	const body = message.content
 	const html = markdown.toHTML(body, {
 		/* discordCallback: {
@@ -24,3 +24,5 @@ module.exports = function messageToEvent(message) {
 		formatted_body: html
 	}
 }
+
+module.exports.messageToEvent = messageToEvent

matrix/file.js

@@ -1,6 +1,6 @@
 // @ts-check
 
-const fetch = require("node-fetch")
+const fetch = require("node-fetch").default
 
 const passthrough = require("../passthrough")
 const { sync, db } = passthrough
@@ -33,7 +33,6 @@ async function uploadDiscordFileToMxc(path) {
 
 	// Download from Discord
 	const promise = fetch(url, {}).then(/** @param {import("node-fetch").Response} res */ async res => {
-		/** @ts-ignore @type {import("stream").Readable} body */
 		const body = res.body
 
 		// Upload to Matrix
@@ -56,7 +55,7 @@ async function uploadDiscordFileToMxc(path) {
 }
 
 function guildIcon(guild) {
-	return `/icons/${guild.id}/${guild.icon}?size=${IMAGE_SIZE}`
+	return `/icons/${guild.id}/${guild.icon}.png?size=${IMAGE_SIZE}`
 }
 
 module.exports.guildIcon = guildIcon

matrix/mreq.js

@@ -1,6 +1,6 @@
 // @ts-check
 
-const fetch = require("node-fetch")
+const fetch = require("node-fetch").default
 const mixin = require("mixin-deep")
 
 const passthrough = require("../passthrough")
@@ -26,7 +26,7 @@ class MatrixServerError {
  * @param {any} [body]
  * @param {any} [extra]
  */
-function mreq(method, url, body, extra = {}) {
+async function mreq(method, url, body, extra = {}) {
 	const opts = mixin({
 		method,
 		body: (body == undefined || Object.is(body.constructor, Object)) ? JSON.stringify(body) : body,
@@ -34,13 +34,13 @@ function mreq(method, url, body, extra = {}) {
 			Authorization: `Bearer ${reg.as_token}`
 		}
 	}, extra)
+
 	console.log(baseUrl + url, opts)
-	return fetch(baseUrl + url, opts).then(res => {
-		return res.json().then(root => {
-			if (!res.ok || root.errcode) throw new MatrixServerError(root)
-			return root
-		})
-	})
+	const res = await fetch(baseUrl + url, opts)
+	const root = await res.json()
+
+	if (!res.ok || root.errcode) throw new MatrixServerError(root)
+	return root
 }
 
 module.exports.MatrixServerError = MatrixServerError

matrix/read-registration.js

@@ -3,5 +3,6 @@
 const fs = require("fs")
 const yaml = require("js-yaml")
 
-/** @type {import("../types").AppServiceRegistrationConfig} */
-module.exports = yaml.load(fs.readFileSync("registration.yaml", "utf8"))
+/** @ts-ignore @type {import("../types").AppServiceRegistrationConfig} */
+const reg = yaml.load(fs.readFileSync("registration.yaml", "utf8"))
+module.exports = reg

package.json

@@ -29,5 +29,8 @@
   },
   "devDependencies": {
     "@types/node": "^18.16.0"
+  },
+  "scripts": {
+    "test": "supertape --format short test/test.js"
   }
 }

test/data.js

@@ -0,0 +1,85 @@
+// @ts-check
+
+const DiscordTypes = require("discord-api-types/v10")
+
+module.exports = {
+	channel: {
+		general: {
+			type: 0,
+			topic: 'https://docs.google.com/document/d/blah/edit | I spread, pipe, and whip because it is my will. :headstone:',
+			rate_limit_per_user: 0,
+			position: 0,
+			permission_overwrites: [],
+			parent_id: null,
+			nsfw: false,
+			name: 'collective-unconscious' ,
+			last_pin_timestamp: '2023-04-06T09:51:57+00:00',
+			last_message_id: '1103832925784514580',
+			id: '112760669178241024',
+			default_thread_rate_limit_per_user: 0,
+			guild_id: '112760669178241024'
+		}
+	},
+	room: {
+		general: {
+			"m.room.name/": {name: "collective-unconscious"},
+			"m.room.topic/": {topic: "https://docs.google.com/document/d/blah/edit | I spread, pipe, and whip because it is my will. :headstone:"},
+			"m.room.guest_access/": {guest_access: "can_join"},
+			"m.room.history_visibility/": {history_visibility: "invited"},
+			"m.space.parent/!jjWAGMeQdNrVZSSfvz:cadence.moe": {
+				via: ["cadence.moe"], // TODO: put the proper server here
+				canonical: true
+			},
+			"m.room.join_rules/": {
+				join_rule: "restricted",
+				allow: [{
+					type: "m.room.membership",
+					room_id: "!jjWAGMeQdNrVZSSfvz:cadence.moe"
+				}]
+			},
+			"m.room.avatar/": {
+				discord_path: "/icons/112760669178241024/a_f83622e09ead74f0c5c527fe241f8f8c.png?size=1024",
+				url: "mxc://cadence.moe/sZtPwbfOIsvfSoWCWPrGnzql"
+			}
+		}
+	},
+	guild: {
+		general: {
+			owner_id: '112760500130975744',
+			premium_tier: 3,
+			stickers: [],
+			max_members: 500000,
+			splash: '86a34ed02524b972918bef810087f8e7',
+			explicit_content_filter: 0,
+			afk_channel_id: null,
+			nsfw_level: 0,
+			description: null,
+			preferred_locale: 'en-US',
+			system_channel_id: '112760669178241024',
+			mfa_level: 0,
+			/** @type {300} */
+			afk_timeout: 300,
+			id: '112760669178241024',
+			icon: 'a_f83622e09ead74f0c5c527fe241f8f8c',
+			emojis: [],
+			premium_subscription_count: 14,
+			roles: [],
+			discovery_splash: null,
+			default_message_notifications: 1,
+			region: 'deprecated',
+			max_video_channel_users: 25,
+			verification_level: 0,
+			application_id: null,
+			premium_progress_bar_enabled: false,
+			banner: 'a_a666ae551605a2d8cda0afd591c0af3a',
+			features: [],
+			vanity_url_code: null,
+			hub_type: null,
+			public_updates_channel_id: null,
+			rules_channel_id: null,
+			name: 'Psychonauts 3',
+			max_stage_video_channel_users: 300,
+			system_channel_flags: 0|0
+		}
+	}
+}

test/test.js

@@ -0,0 +1,15 @@
+// @ts-check
+
+const sqlite = require("better-sqlite3")
+const HeatSync = require("heatsync")
+
+const config = require("../config")
+const passthrough = require("../passthrough")
+const db = new sqlite("db/ooye.db")
+
+// @ts-ignore
+const sync = new HeatSync({persistent: false})
+
+Object.assign(passthrough, { config, sync, db })
+
+require("../d2m/actions/create-room")