Merge pull request #196 from practical-python-org/feature/Error-Handler

minor: Created a working Error Handler

Author: Xarlos89

src/zorak/cogs/admin/error_handler.py

@@ -0,0 +1,40 @@
+import logging
+
+import discord
+from discord.ext import commands
+from datetime import datetime
+
+
+logger = logging.getLogger(__name__)
+
+
+class error_handler(commands.Cog):
+    def __init__(self, bot):
+        self.bot = bot
+
+    @commands.Cog.listener()
+    async def on_application_command_error(self, ctx, error):
+
+        # # This is just an interesting way of handling errors PER ERROR.
+        # # For now, let's just catch all and redirect to logs and channel
+        # if isinstance(error, commands.CommandOnCooldown):
+        #     await ctx.respond("This command is currently on cooldown!")
+        # else:
+        #     raise error  # Here we raise other errors to ensure they aren't ignored
+
+        error_channel = self.bot.get_channel(self.bot.server_settings.log_channel['zorak_log'])
+
+        embed = discord.Embed(title=f':red_circle: Zorak error!'
+                              , description=f'{ctx.author} used /{ctx.command} in <#{ctx.channel}>'
+                              , color=discord.Color.dark_red()
+                              , timestamp=datetime.utcnow())
+        embed.add_field(name='Traceback (most recent call last): '
+                        , value=f'{error}')
+
+        await error_channel.send(ctx.author.mention)
+        await error_channel.send(embed=embed)
+        logger.critical(error)
+
+
+def setup(bot):
+    bot.add_cog(error_handler(bot))