Fixes to leaves and DM creation

Fixes -203 error for MemoChats, and automatically retries channel
creation when it fails the first time

matrix_appservice_kakaotalk/commands/kakaotalk.py

@@ -311,4 +311,7 @@ async def leave(evt: CommandEvent) -> None:
         await evt.reply("This command may only be used in a KakaoTalk channel portal room")
         return
     await evt.mark_read()
-    await evt.portal.leave_kakaotalk_channel()
+    try:
+        await evt.sender.leave_channel(evt.portal)
+    except CommandException as e:
+        await evt.reply(f"Error from KakaoTalk: {e}")

matrix_appservice_kakaotalk/portal.py

@@ -1386,10 +1386,6 @@ class Portal(DBPortal, BasePortal):
         else:
             self.log.debug(f"{user.mxid} left portal to {self.ktid}")
 
-    async def leave_kakaotalk_channel(self, user: u.User) -> None:
-        await user.client.leave_channel(self.channel_props)
-        await user.on_channel_left(self.ktid, self.kt_type)
-
     # endregion
     # region KakaoTalk event handling
 
@@ -1762,19 +1758,20 @@ class Portal(DBPortal, BasePortal):
         self, source: u.User, sender: p.Puppet | None, removed: p.Puppet
     ) -> None:
         sender_intent = sender.intent_for(self) if sender else self.main_intent
+        removed_user = await u.User.get_by_ktid(removed.ktid)
         if sender == removed:
-            removed_intent = removed.intent_for(self)
-            if removed_intent != self.main_intent:
-                await removed_intent.leave_room(self.mxid)
-            if not removed.is_real_user:
-                user = await u.User.get_by_ktid(removed.ktid)
-                if user:
-                    await self.main_intent.kick_user(self.mxid, user.mxid, "Left channel from KakaoTalk")
+            if not removed.is_real_user and removed_user:
+                try:
+                    await sender_intent.kick_user(self.mxid, removed_user.mxid, "Left channel from KakaoTalk")
+                except MForbidden:
+                    pass
+            await removed.intent_for(self).leave_room(self.mxid)
         else:
             for removed_mxid in (r.mxid for r in (
                 removed,
-                await u.User.get_by_ktid(removed.ktid) if not removed.is_real_user else None
+                removed_user if not removed.is_real_user else None
             ) if r):
+                # NOTE KakaoTalk kick = Matrix ban
                 try:
                     await sender_intent.ban_user(
                         self.mxid, removed_mxid, None if sender else "Kicked by channel admin"
@@ -1785,7 +1782,11 @@ class Portal(DBPortal, BasePortal):
                     await self.main_intent.ban_user(
                         self.mxid, removed_mxid, reason=f"Kicked by {sender.name}"
                     )
-        # TODO Clean and delete if removed is real user and portal is direct / not open
+        if self.is_direct and removed.ktid == self.kt_receiver:
+            self.log.info(
+                f"{removed.ktid} was the recipient puppet of this portal. Cleaning up and deleting..."
+            )
+            await self.cleanup_and_delete()
 
     # TODO Find when or if there is a listener for this
     # TODO Confirm whether this can refer to any user that was kicked, or only to the current user

matrix_appservice_kakaotalk/user.py

@@ -685,7 +685,7 @@ class User(DBUser, BaseUser):
             kt_type = KnownChannelType.MemoChat
             memo_ids = await self.client.get_memo_ids()
             if not memo_ids:
-                ktid = Long(0)
+                ktid = None
             else:
                 ktid = memo_ids[0]
                 if len(memo_ids) > 1:
@@ -702,6 +702,13 @@ class User(DBUser, BaseUser):
             ktid, kt_receiver=self.ktid, create=create, kt_type=kt_type
         ) if ktid else None
 
+    # region Matrix->KakaoTalk commands
+
+    async def leave_channel(self, portal: po.Portal) -> None:
+        await self.client.leave_channel(portal.channel_props)
+        await self.on_channel_left(portal.ktid, portal.kt_type)
+
+    # endregion
     # region KakaoTalk event handling
 
     async def on_connect(self, force_sync: bool) -> bool:

node/src/client.js

@@ -1138,15 +1138,27 @@ export default class PeerClient {
 		const userClient = this.#getUser(req.mxid)
 		const channelList = userClient.talkClient.channelList.normal
 
-		const res = 
-			req.user_id != userClient.userId
-			? await channelList.createChannel({
+		const createChannel =
+			!req.user_id.equals(userClient.userId)
+			? channelList.createChannel.bind(channelList, {
 				userList: [{ userId: req.user_id }],
 			})
-			: await channelList.createMemoChannel()
+			: channelList.createMemoChannel.bind(channelList)
 
-		if (!res.success) return res
-		return makeCommandResult(res.result.channelId)
+		const retry_delay = 2000
+		let retries_left = 1
+		let res
+		do {
+			res = await createChannel()
+			if (res.success) {
+				return makeCommandResult(res.result.channelId)
+			}
+			this.error(`Failed to create direct chat, try again in ${retry_delay} ms (${retries_left - 1} tries remaining)`)
+			await new Promise(resolve => setTimeout(resolve, retry_delay))
+		} while (retries_left--)
+
+		this.error(`Failed to create direct chat, not retrying`)
+		return res
 	}
 
 	/**