Add ErrorHandler cog

src/bot.py

@@ -5,6 +5,7 @@ from discord.ext import commands
 from dotenv import load_dotenv
 
 from yt import YTDLSource
+from error import ErrorHandler
 
 load_dotenv()
 
@@ -49,6 +50,7 @@ if __name__ == "__main__":
     print('------')
 
   bot.add_cog(Music(bot))
+  bot.add_cog(ErrorHandler(bot))
 
   token = os.environ.get("BOT_TOKEN", None)
   if not token:

src/error.py

@@ -0,0 +1,25 @@
+from discord.ext import commands
+
+
+class ErrorHandler(commands.Cog):
+  """A cog for global error handling."""
+
+  def __init__(self, bot: commands.Bot):
+    self.bot = bot
+
+  @commands.Cog.listener()
+  async def on_command_error(self, ctx: commands.Context, error: commands.CommandError):
+    if isinstance(error, commands.CommandNotFound):
+      return
+    elif isinstance(error, commands.MissingPermissions):
+      message = "You are missing the required permissions to run this command!"
+    elif isinstance(error, commands.UserInputError):
+      message = "Something about your input was wrong, please check your input and try again!"
+    else:
+      message = "Oh no! Something went wrong while running the command!"
+
+    await ctx.send(message)
+
+
+def setup(bot: commands.Bot):
+  bot.add_cog(ErrorHandler(bot))