Add error logging to a channel. Closes #11.

src/pluralkit/bot/__init__.py

@@ -79,31 +79,6 @@ class PluralKitBot:
             result = await commands.command_dispatch(self.client, message, conn)
             return result
 
-        """command_items = commands.command_list.items()
-        command_items = sorted(command_items, key=lambda x: len(x[0]), reverse=True)
-
-        prefix = "pk;"
-        for command_name, command in command_items:
-            if message.content.lower().startswith(prefix + command_name):
-                args_str = message.content[len(prefix + command_name):].strip()
-                args = args_str.split(" ")
-
-                # Splitting on empty string yields one-element array, remove that
-                if len(args) == 1 and not args[0]:
-                    args = []
-
-                async with self.pool.acquire() as conn:
-                    time_before = time.perf_counter()
-                    await command.function(self.client, conn, message, args)
-                    time_after = time.perf_counter()
-
-                    # Report command time stats
-                    execution_time = time_after - time_before
-                    response_time = (datetime.now() - message.timestamp).total_seconds()
-                    await self.stats.report_command(command_name, execution_time, response_time)
-
-                    return True"""
-
     async def handle_proxy_dispatch(self, message):
         # Try doing proxy parsing
         async with self.pool.acquire() as conn:

src/pluralkit/bot/commands/__init__.py

@@ -1,6 +1,9 @@
+import os
+
 import discord
 import logging
 import re
+import traceback
 from typing import Tuple, Optional
 
 from pluralkit import db, System, Member
@@ -115,6 +118,26 @@ import pluralkit.bot.commands.switch_commands
 import pluralkit.bot.commands.system_commands
 
 
+async def log_error_in_channel(ctx: CommandContext):
+    channel_id = os.environ["LOG_CHANNEL"]
+    if not channel_id:
+        return
+
+    channel = ctx.client.get_channel(channel_id)
+
+    embed = discord.Embed()
+    embed.colour = discord.Colour.dark_red()
+    embed.title = ctx.message.content
+
+    embed.set_footer(text="Sender: {}#{} | Server: {} | Channel: {}".format(
+        ctx.message.author.name, ctx.message.author.discriminator,
+        ctx.message.server.id,
+        ctx.message.channel.id
+    ))
+
+    await ctx.client.send_message(channel, "```python\n{}```".format(traceback.format_exc()), embed=embed)
+
+
 async def run_command(ctx: CommandContext, func):
     try:
         result = await func(ctx)
@@ -122,9 +145,11 @@ async def run_command(ctx: CommandContext, func):
             await ctx.reply(embed=result.to_embed())
     except CommandError as e:
         await ctx.reply(embed=e.to_embed())
-    except Exception:
+    except Exception as e:
         logger.exception("Exception while dispatching command")
 
+        await log_error_in_channel(ctx)
+
 
 async def command_dispatch(client: discord.Client, message: discord.Message, conn) -> bool:
     prefix = "^pk(;|!)"