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Lumi/services/help_service.py

142 lines
4.9 KiB
Python

import discord
from discord.ext import commands
from config.parser import JsonCache
from lib.embeds.error import HelpErrors
art = JsonCache.read_json("art")
class LumiHelp(commands.HelpCommand):
def __init__(self, **options):
super().__init__(**options)
self.verify_checks = True
self.command_attrs = {
"aliases": ["h"],
"help": "Show a list of commands, or information about a specific command when an argument is passed.",
"name": "help",
"hidden": True,
}
def get_command_qualified_name(self, command):
return "`{}{}`".format(self.context.clean_prefix, command.qualified_name)
async def send_bot_help(self, mapping):
embed = discord.Embed(color=discord.Color.blurple())
embed.set_author(name="Help Command", icon_url=art["logo"]["transparent"])
embed.description = "Full list of commands: https://wiki.wlinator.org/cmdlist"
for cog, lumi_commands in mapping.items():
filtered = await self.filter_commands(lumi_commands, sort=True)
if command_signatures := [
self.get_command_qualified_name(c) for c in filtered
]:
# Remove duplicates using set() and convert back to a list
unique_command_signatures = list(set(command_signatures))
cog_name = getattr(cog, "qualified_name", "Help")
embed.add_field(
name=cog_name,
value=", ".join(sorted(unique_command_signatures)),
inline=False,
)
channel = self.get_destination()
await channel.send(embed=embed)
async def send_command_help(self, command):
embed = discord.Embed(
title=f"{self.context.clean_prefix}{command.qualified_name}",
color=discord.Color.blurple(),
description=command.help,
)
usage_value = "`{}{} {}`".format(
self.context.clean_prefix,
command.qualified_name,
command.signature,
)
for alias in command.aliases:
usage_value += "\n`{}{} {}`".format(
self.context.clean_prefix,
alias,
command.signature,
)
embed.add_field(name="Usage", value=usage_value, inline=False)
channel = self.get_destination()
await channel.send(embed=embed)
async def send_error_message(self, error):
channel = self.get_destination()
await channel.send(embed=HelpErrors.error_message(self.context, error))
async def send_group_help(self, group):
channel = self.get_destination()
await channel.send(
embed=HelpErrors.error_message(
self.context,
f'No command called "{group.qualified_name}" found.',
),
)
async def send_cog_help(self, cog):
channel = self.get_destination()
await channel.send(
embed=HelpErrors.error_message(
self.context,
f'No command called "{cog.qualified_name}" found.',
),
)
async def command_callback(self, ctx, *, command=None):
await self.prepare_help_command(ctx, command)
bot = ctx.bot
if command is None:
mapping = self.get_bot_mapping()
return await self.send_bot_help(mapping)
# Check if it's a cog
cog = bot.get_cog(command)
if cog is not None:
return await self.send_cog_help(cog)
maybe_coro = discord.utils.maybe_coroutine
# If it's not a cog then it's a command.
# Since we want to have detailed errors when someone
# passes an invalid subcommand, we need to walk through
# the command group chain ourselves.
keys = command.split(" ")
cmd = bot.all_commands.get(keys[0].removeprefix(self.context.prefix))
if cmd is None:
string = await maybe_coro(
self.command_not_found,
self.remove_mentions(keys[0]),
)
return await self.send_error_message(string)
for key in keys[1:]:
try:
found = cmd.all_commands.get(key)
except AttributeError:
string = await maybe_coro(
self.subcommand_not_found,
cmd,
self.remove_mentions(key),
)
return await self.send_error_message(string)
else:
if found is None:
string = await maybe_coro(
self.subcommand_not_found,
cmd,
self.remove_mentions(key),
)
return await self.send_error_message(string)
cmd = found
return await self.send_command_help(cmd)