Utility bot for rhythm game D4DJ. (Note that some dependencies are not public)
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miyu-bot/miyu_bot/commands/common/reaction_message.py

91 lines
3.0 KiB

import asyncio
from typing import List, Callable, Awaitable, Union, Optional
import discord
from discord import Message, Embed, Emoji, PartialEmoji
from discord.ext.commands import Context
AnyEmoji = Union[str, Emoji]
async def run_tabbed_message(ctx: Context, message: Message, emojis: List[Emoji], embeds: List[Embed], timeout=300):
async def callback(emoji, _ctx, _message):
await message.edit(embed=embeds[emojis.index(emoji)])
await run_reaction_message(ctx, message, emojis, callback, timeout)
async def run_paged_message(ctx: Context, title: str, content: List[str], page_size: int = 15,
timeout=300, double_arrow_threshold=4):
if not content:
embed = discord.Embed(title=title).set_footer(text='Page 0/0')
await ctx.send(embed=embed)
return
page_contents = [content[i:i + page_size] for i in range(0, len(content), page_size)]
item_number = 0
def format_item(item):
nonlocal item_number
item_number += 1
return f'{item_number}. {item}'
embeds = [
discord.Embed(title=title, description='\n'.join((format_item(i) for i in page))).set_footer(
text=f'Page {i + 1}/{len(page_contents)}')
for i, page in enumerate(page_contents)]
message = await ctx.send(embed=embeds[0])
if len(embeds) == 1:
return
double_left_arrow = ''
double_right_arrow = ''
left_arrow = ''
right_arrow = ''
if 0 < double_arrow_threshold <= len(embeds):
arrows = [double_left_arrow, left_arrow, right_arrow, double_right_arrow]
else:
arrows = [left_arrow, right_arrow]
index = 0
async def callback(emoji, _ctx, _message):
nonlocal index
start_index = index
if emoji == double_left_arrow:
index = 0
elif emoji == left_arrow:
index -= 1
elif emoji == right_arrow:
index += 1
elif emoji == double_right_arrow:
index = len(embeds) - 1
index = min(len(embeds) - 1, max(0, index))
if index != start_index:
await message.edit(embed=embeds[index])
await run_reaction_message(ctx, message, arrows, callback, timeout)
async def run_reaction_message(ctx: Context, message: Message, emojis: List[AnyEmoji],
callback: Callable[[AnyEmoji, Context, Message], Awaitable[None]], timeout=300):
for emoji in emojis:
await message.add_reaction(emoji)
def check(rxn, usr):
return usr == ctx.author and rxn.emoji in emojis and rxn.message.id == message.id
while True:
try:
reaction, user = await ctx.bot.wait_for('reaction_add', timeout=timeout, check=check)
await callback(reaction.emoji, ctx, message)
await message.remove_reaction(reaction, user)
except asyncio.TimeoutError:
for emoji in emojis:
await message.remove_reaction(emoji, ctx.bot.user)
break