Sync webhook profiles to Matrix

src/d2m/actions/register-user.js

@@ -208,6 +208,34 @@ async function syncUser(user, member, channel, guild, roomID) {
 	return mxid
 }
 
+/**
+ * Sync profile data for a webhook user. The _ooye_webhook name will always be reused.
+ * 1. Join the sim to the room if needed
+ * 2. Make an object of what the new room member state content would be, including uploading the profile picture if it hasn't been done before
+ * 4. Compare against the previously known state content, which is helpfully stored in the database
+ * 5. If the state content has changed, send it to Matrix and update it in the database for next time
+ * @param {DiscordTypes.APIUser} user
+ * @param {DiscordTypes.APIGuildChannel} channel
+ * @param {DiscordTypes.APIGuild} guild
+ * @param {string} roomID
+ * @returns {Promise<string>} mxid of the updated sim
+ */
+async function syncWebhook(user, channel, guild, roomID) {
+	const mxid = await ensureSimJoined(user, roomID)
+	// @ts-ignore
+	const content = await memberToStateContent(user, {}, guild.id)
+	const currentHash = _hashProfileContent(content, 0)
+	const existingHash = select("sim_member", "hashed_profile_content", {room_id: roomID, mxid}).safeIntegers().pluck().get()
+	// only do the actual sync if the hash has changed since we last looked
+	if (existingHash !== currentHash) {
+		// Update room member state
+		await api.sendState(roomID, "m.room.member", mxid, content, mxid)
+		// Update cached hash
+		db.prepare("UPDATE sim_member SET hashed_profile_content = ? WHERE room_id = ? AND mxid = ?").run(currentHash, roomID, mxid)
+	}
+	return mxid
+}
+
 /**
  * @param {string} roomID
  */
@@ -244,4 +272,5 @@ module.exports._hashProfileContent = _hashProfileContent
 module.exports.ensureSim = ensureSim
 module.exports.ensureSimJoined = ensureSimJoined
 module.exports.syncUser = syncUser
+module.exports.syncWebhook = syncWebhook
 module.exports.syncAllUsersInRoom = syncAllUsersInRoom