From 5aaa6ec36e4fe2c43151661d2a6e82a2ed642b3f Mon Sep 17 00:00:00 2001
From: Tulir Asokan <tulir@maunium.net>
Date: Mon, 3 Sep 2018 19:10:57 +0300
Subject: [PATCH] Add more commands/update strings in assistant (#981)

---
 telethon_examples/assistant.py | 43 +++++++++++++++++++++++++++++++---
 1 file changed, 40 insertions(+), 3 deletions(-)

diff --git a/telethon_examples/assistant.py b/telethon_examples/assistant.py
index 17c307e1..c55fc401 100644
--- a/telethon_examples/assistant.py
+++ b/telethon_examples/assistant.py
@@ -53,10 +53,28 @@ DOCS_MESSAGE = (
     'telethon.tl.custom.html#telethon.tl.custom.message.Message.'
 )
 
+SPAM = (
+    "Telethon is free software. That means using it is a right: you are " 
+    "free to use it for absolutely any purpose whatsoever. However, help "
+    "and support with using it is a privilege. If you misbehave or want "
+    "to do bad things, nobody is obligated to help you and you're not "
+    "welcome here."
+)
+
+OFFTOPIC = {
+-1001109500936:
+    'That is not related to Telethon. '
+    'You may continue the conversation in @TelethonOffTopic'
+-1001200633650:
+    'That seems to be related to Telethon. Try asking in @TelethonChat'
+}
+
 ASK = (
     "Hey, that's not how you ask a question! If you want helpful advice "
     "(or any response at all) [read this first](https://stackoverflow.com"
-    "/help/how-to-ask) and then ask again."
+    "/help/how-to-ask) and then ask again. If you have the time, [How To "
+    "Ask Questions The Smart Way](catb.org/~esr/faqs/smart-questions.html)"
+    " is another wonderful resource worth reading."
 )
 
 LOGGING = '''
@@ -198,6 +216,23 @@ async def handler(event):
     ])
 
 
+@bot.on(events.NewMessage(pattern='(?i)#spam(mer|ming)?', forwards=False))
+async def handler(event):
+    """#spam, #spammer, #spamming: Informs spammers that they are not welcome here."""
+    await asyncio.wait([
+        event.delete(),
+        event.respond(SPAM, reply_to=event.reply_to_msg_id)
+    ])
+
+@bot.on(events.NewMessage(pattern='(?i)#(ot|offtopic)', forwards=False))
+async def handler(event):
+    """#ot, #offtopic: Tells the user to move to @TelethonOffTopic."""
+    await asyncio.wait([
+        event.delete(),
+        event.respond(OFFTOPIC[event.chat_id], reply_to=event.reply_to_msg_id)
+    ])
+
+
 @bot.on(events.NewMessage(pattern='(?i)#log(s|ging)?', forwards=False))
 async def handler(event):
     """#log, #logs or #logging: Explains how to enable logging."""
@@ -226,15 +261,17 @@ async def handler(event):
     ])
 
 
-@bot.on(events.NewMessage(pattern='#list', forwards=False))
+@bot.on(events.NewMessage(pattern='(?i)#(list|help)', forwards=False))
 async def handler(event):
     await event.delete()
     text = 'Available commands:\n'
     for callback, handler in bot.list_event_handlers():
         if isinstance(handler, events.NewMessage) and callback.__doc__:
             text += f'\n{callback.__doc__}'
+    text += '\n\nYou can suggest new commands [here](https://docs.google.com/'\
+            'spreadsheets/d/12yWwixUu_vB426_toLBAiajXxYKvR2J1DD6yZtQz9l4/edit).'
 
-    message = await event.respond(text)
+    message = await event.respond(text, link_preview=False)
     await asyncio.sleep(1 * text.count(' '))  # Sleep ~1 second per word
     await message.delete()