Implement welcome message on Discord

clients/discord.py

@@ -69,6 +69,7 @@ class DiscordClient(discord.Client):
         self.logger.info('Logged in as {0}'.format(self.user.name))
 
     async def on_message(self, message):
+        await self._process_new_member(message)
         await self._process_announcement(message)
         server = message.server.id if message.server else None
         for pattern, action in self.supported_commands:
@@ -79,9 +80,32 @@ class DiscordClient(discord.Client):
             if cmd == message.content:
                 await self.send_message(message.channel, resp.format(user=message.author.mention))
 
+    async def _process_new_member(self, message):
+        new_members_channel = self.config['Discord'].get('new_members_channel')
+        info_channel = self.config['Discord'].get('info_channel')
+        welcome_channel = self.config['Discord'].get('welcome_channel')
+        welcome_pattern = self.config['Discord'].get('welcome_pattern')
+        if not message.channel or not message.server:
+            return
+        if message.channel.id != new_members_channel:
+            return
+        info_channel = [c for c in message.server.channels if c.id == info_channel]
+        if info_channel:
+            info_channel = info_channel[0]
+        else:
+            return
+        welcome_channel = discord.Object(welcome_channel)
+        try:
+            await self.send_message(welcome_channel, welcome_pattern.format(
+                user=message.author.mention, info_channel=info_channel.mention))
+        except discord.errors.Forbidden:
+            pass
+
     async def _process_announcement(self, message):
         announcer = self.config['Discord'].get('announcer')
         channels = self.config['Discord'].get('announcement_channels').split(',')
+        if not message.author or not message.channel:
+            return
         if message.author.id != announcer or message.channel.id not in channels:
             return
         after = datetime.datetime.utcnow() - datetime.timedelta(minutes=5)

settings.cfg.example

@@ -6,6 +6,13 @@ channels = lilialil
 
 [Discord]
 token = __DISCORD_TOKEN__
+# #freshcheese
+new_members_channel = 414316622208303104
+# #♥-please_read-♥
+info_channel = 439098968383946752
+# #cheesewars
+welcome_channel = 285154599038353408
+welcome_pattern = Hi {user}! Welcome to the Cheese Horde! Please check out all of the various channels to the left for all your chatting needs and don't forget to read through {info_channel} as soon as you get the chance. :cheese:
 # Bellateeny
 announcer = 369539730989252609
 # #cheesenouncements