patch 1a0add76192510876c18329da2e85acd0a16d368
Author: Peter Bui <pbui@bx612.space>
Date:   Thu Jul 18 19:06:07 CEST 2019
  * abstract resolving telegram_id to irc_nick
  
  The get_irc_nick_from_telegram_id will check if the telegram_id is in
  the dictionary.  If it is not, it will look it up and add the
  appropriate entries.
diff -rN -u old-irgramd/irtelegramd.py new-irgramd/irtelegramd.py
--- old-irgramd/irtelegramd.py	2024-11-23 03:47:46.583501930 +0100
+++ new-irgramd/irtelegramd.py	2024-11-23 03:47:46.587501924 +0100
@@ -280,15 +280,18 @@
     def get_telegram_channel(self, chat):
         return '#' + chat.title.lower().replace(' ', '-')
 
+    async def get_irc_nick_from_telegram_id(self, tid):
+        if tid not in self.tid_to_iid:
+            user = await self.telegram_client.get_input_entity(tid)
+            nick = self.get_telegram_nick(user)
+            self.tid_to_iid[tid]  = nick
+            self.iid_to_tid[nick] = tid
+
+        return self.tid_to_iid[tid]
+
     async def handle_telegram_message(self, event):
         self.logger.debug('Handling Telegram Message: %s', event)
 
-        if event.from_id not in self.tid_to_iid:
-            user = await self.telegram_client.get_input_entity(event.from_id)
-            nick = self.get_telegram_nick(user)
-            self.tid_to_iid[user.id] = nick
-            self.iid_to_tid[nick]    = user.id
-
         if event.message.is_private:
             await self.handle_telegram_private_message(event)
         else:
@@ -297,7 +300,7 @@
     async def handle_telegram_private_message(self, event):
         self.logger.debug('Handling Telegram Private Message: %s', event)
 
-        nick = self.tid_to_iid[event.from_id]
+        nick = await self.get_irc_nick_from_telegram_id(event.from_id)
         for message in event.message.message.splitlines():
             await self.send_irc_command(':{} PRIVMSG {} :{}'.format(
                 self.get_irc_user_mask(nick), self.irc_nick, message
@@ -319,7 +322,7 @@
         if channel not in self.irc_channels:
             await self.join_irc_channel(self.irc_nick, channel)
 
-        nick = self.tid_to_iid[event.from_id]
+        nick = await self.get_irc_nick_from_telegram_id(event.from_id)
         if nick not in self.irc_channels[channel]:
             await self.join_irc_channel(nick, channel)
 
@@ -349,7 +352,7 @@
         self.logger.info('Handling Telegram Chat Action: %s', event)
 
         irc_channel = self.tid_to_iid[event.action_message.to_id.channel_id]
-        irc_nick    = self.tid_to_iid[event.action_message.from_id]
+        irc_nick    = await self.get_irc_nick_from_telegram_id(event.action_message.from_id)
 
         if event.user_added or event.user_joined:
             await self.join_irc_channel(irc_nick, irc_channel)