Add quote command

bot.py

@@ -3,7 +3,7 @@ import os
 import random
 import re
 import time
-from typing import Optional
+from typing import Optional, List
 
 import discord
 import gtts
@@ -244,6 +244,45 @@ async def flip_pipelin_command(ctx: commands.Context):
     await ctx.channel.send("Pipelin " + random.choice(['schnel', 'langsam']))
 
 
+@bot.command(name='quote', brief='Get a random quote or add new ones')
+async def quote_command(ctx: commands.Context, author: Optional[str], *, quote: Optional[str]):
+    quotes: Optional[dict[str,List[str]]] = config_get("guild_quotes", guild=ctx.guild.id)
+    if quotes is None:
+        quotes = {}
+        config_set("guild_quotes", quotes, ctx.guild.id)
+
+    if author is None:
+        pass
+    else:
+        author = author.strip().title()
+        quote = quote.strip()
+        if quote:
+            if author in quotes:
+                author_quotes: List[str] = quotes[author]
+                regex = re.compile(r'[\W]')
+                stripped_quote = regex.sub(quote, '').lower()
+                for aq in author_quotes:
+                    if regex.sub(aq, '').lower() == stripped_quote:
+                        await ctx.channel.send("Quote already exists!")
+                        return
+
+                author_quotes.append(quote)
+                config_save()
+                await ctx.channel.send("Quote added")
+
+            else:
+                quotes[author] = [quote]
+                config_save()
+                await ctx.channel.send("Quote added")
+        else:
+            if author in quotes:
+                quote = random.choice(quotes[author])
+                quote = '\n'.join(map(lambda line: '> ' + line, quote.splitlines()))
+                await ctx.channel.send(quote + '\n**' + author + '**')
+            else:
+                await ctx.channel.send("Unknown author!")
+
+
 def _is_message_valid_for_selection(message: discord.Message, reaction_filter: Optional[str] = None) -> bool:
     if message.clean_content.strip() == '':
         return False