Initial commit

cogs/handler.py

@@ -0,0 +1,26 @@
+import discord
+from core import embeds
+
+commands = discord.ext.commands
+
+class ErrorHandler(commands.Cog):
+    def __init__(self, bot):
+        self.bot = bot
+    
+    @commands.Cog.listener()
+    async def on_command_error(self, ctx, error):
+        if isinstance(error, commands.MissingRequiredArgument):
+            return await ctx.send(embed=embeds.Embeds(f"Missing `{error.param}` as a required argument.").error())
+        elif isinstance(error, commands.CommandNotFound):
+            return
+        elif isinstance(error, commands.CheckAnyFailure):
+            return await ctx.send(embed=embeds.Embeds("You are not allowed to do this.").error())
+        elif isinstance(error, commands.CommandOnCooldown):
+            seconds = error.retry_after
+            return await ctx.send(embed=embeds.Embeds(f"**You are on cooldown!** You can use this command again in **{seconds} seconds**.").error())
+        else:
+            await ctx.send(embed=embeds.Embeds("There was an error executing this command.").error(Error=error))
+            raise error
+
+def setup(bot):
+    bot.add_cog(ErrorHandler(bot))