|
| 1 | +import asyncio |
| 2 | +import time |
| 3 | +from collections import defaultdict |
| 4 | +from copy import deepcopy as dc |
| 5 | + |
| 6 | +import discord |
| 7 | +from redbot.core import Config, checks, commands |
| 8 | +from redbot.core.utils import AsyncIter |
| 9 | +from redbot.core.utils.chat_formatting import humanize_list |
| 10 | + |
| 11 | + |
| 12 | +class Deleter(commands.Cog): |
| 13 | + """Set channels for their messages to be auto-deleted after a specified amount of time. |
| 14 | +
|
| 15 | + WARNING: This cog has potential API abuse AND SHOULD BE USED CAREFULLY! If you see any issues arise due to this, please report to Neuro Assassin or bot owner ASAP!""" |
| 16 | + |
| 17 | + def __init__(self, bot): |
| 18 | + self.bot = bot |
| 19 | + self.lock = asyncio.Lock() |
| 20 | + self.conf = Config.get_conf(self, identifier=473541068378341376) |
| 21 | + default_channel = {"wait": 0, "messages": {}} |
| 22 | + self.conf.register_channel(**default_channel) |
| 23 | + self.task = self.bot.loop.create_task(self.background_task()) |
| 24 | + |
| 25 | + def cog_unload(self): |
| 26 | + self.task.cancel() |
| 27 | + |
| 28 | + async def red_delete_data_for_user(self, **kwargs): |
| 29 | + """This cog does not store user data""" |
| 30 | + return |
| 31 | + |
| 32 | + async def background_task(self): |
| 33 | + await self.bot.wait_until_ready() |
| 34 | + while True: |
| 35 | + async with self.lock: |
| 36 | + cs = await self.conf.all_channels() |
| 37 | + async for channel, data in AsyncIter(cs.items()): |
| 38 | + if int(data["wait"]) == 0: |
| 39 | + continue |
| 40 | + c = self.bot.get_channel(int(channel)) |
| 41 | + if not c: |
| 42 | + continue |
| 43 | + old = dc(data) |
| 44 | + ms = dc(data["messages"]) |
| 45 | + async for message, wait in AsyncIter(ms.items()): |
| 46 | + if int(wait) <= time.time(): |
| 47 | + try: |
| 48 | + m = await c.fetch_message(int(message)) |
| 49 | + await m.delete() |
| 50 | + except (discord.NotFound, discord.Forbidden): |
| 51 | + pass |
| 52 | + del data["messages"][str(message)] |
| 53 | + if old != data: |
| 54 | + await self.conf.channel(c).messages.set(data["messages"]) |
| 55 | + await asyncio.sleep(10) |
| 56 | + |
| 57 | + @commands.Cog.listener() |
| 58 | + async def on_message(self, message): |
| 59 | + async with self.lock: |
| 60 | + c = await self.conf.channel(message.channel).all() |
| 61 | + if int(c["wait"]) == 0: |
| 62 | + return |
| 63 | + c["messages"][str(message.id)] = time.time() + int(c["wait"]) |
| 64 | + await self.conf.channel(message.channel).messages.set(c["messages"]) |
| 65 | + |
| 66 | + @commands.group() |
| 67 | + @commands.guild_only() |
| 68 | + @checks.mod_or_permissions(manage_messages=True) |
| 69 | + async def deleter(self, ctx): |
| 70 | + """Group command for commands dealing with auto-timed deletion. |
| 71 | +
|
| 72 | + To see what channels are currently being tracked, use this command with no subcommands passed.""" |
| 73 | + if ctx.invoked_subcommand is None: |
| 74 | + async with self.lock: |
| 75 | + channels = await self.conf.all_channels() |
| 76 | + sending = "" |
| 77 | + for c, data in channels.items(): |
| 78 | + c = self.bot.get_channel(int(c)) |
| 79 | + if c is None: |
| 80 | + continue |
| 81 | + if c.guild.id == ctx.guild.id and int(data["wait"]) != 0: |
| 82 | + sending += f"{c.mention}: {data['wait']} seconds\n" |
| 83 | + if sending: |
| 84 | + await ctx.send(sending) |
| 85 | + else: |
| 86 | + await ctx.send( |
| 87 | + f"No channels are currently being tracked. Add one by using `{ctx.prefix}deleter channel`." |
| 88 | + ) |
| 89 | + |
| 90 | + @deleter.command() |
| 91 | + async def channel(self, ctx, channel: discord.TextChannel, wait): |
| 92 | + """Set the amount of time after a message sent in the specified channel is supposed to be deleted. |
| 93 | +
|
| 94 | + There may be about an approximate 10 second difference between the wait and the actual time the message is deleted, due to rate limiting and cooldowns. |
| 95 | +
|
| 96 | + Wait times must be greater than or equal to 5 seconds, or 0 to disable auto-timed deletion. If you would like to use time specifications other than seconds, suffix the wait argument with one below: |
| 97 | +
|
| 98 | + s => seconds (ex. 5s => 5 seconds) |
| 99 | + m => minutes (ex. 5m => 5 minutes) |
| 100 | + h => hours (ex. 5h => 5 hours) |
| 101 | + d => days (ex. 5d => 5 days) |
| 102 | + w => weeks (ex. 5w => 5 weeks""" |
| 103 | + if wait != "0": |
| 104 | + ttype = None |
| 105 | + wait = wait.lower() |
| 106 | + wt = wait[:-1] |
| 107 | + og = wait[:-1] |
| 108 | + if not wt.isdigit(): |
| 109 | + return await ctx.send( |
| 110 | + "Invalid amount of time. There is a non-number in your `wait` argument, not including the time type." |
| 111 | + ) |
| 112 | + wt = int(wt) |
| 113 | + if wait.endswith("s"): |
| 114 | + ttype = "second" |
| 115 | + elif wait.endswith("m"): |
| 116 | + ttype = "minute" |
| 117 | + wt *= 60 |
| 118 | + elif wait.endswith("h"): |
| 119 | + ttype = "hour" |
| 120 | + wt *= 3600 |
| 121 | + elif wait.endswith("d"): |
| 122 | + ttype = "day" |
| 123 | + wt *= 86400 |
| 124 | + elif wait.endswith("w"): |
| 125 | + ttype = "week" |
| 126 | + wt *= 604800 |
| 127 | + if not ttype: |
| 128 | + return await ctx.send("Invalid time unit. Please use S, M, H, D or W.") |
| 129 | + else: |
| 130 | + wt = 0 |
| 131 | + if wt < 5 and wt != 0: |
| 132 | + return await ctx.send("Wait times must be greater than or equal to 5 seconds.") |
| 133 | + if not channel.permissions_for(ctx.guild.me).manage_messages: |
| 134 | + return await ctx.send("I do not have permission to delete messages in that channel.") |
| 135 | + if not channel.permissions_for(ctx.author).manage_messages: |
| 136 | + return await ctx.send("You do not have permission to delete messages in that channel.") |
| 137 | + await self.conf.channel(channel).wait.set(str(wt)) |
| 138 | + if wt: |
| 139 | + await ctx.send( |
| 140 | + f"Messages in {channel.mention} will now be deleted after {og} {ttype}{'s' if og != '1' else ''}." |
| 141 | + ) |
| 142 | + else: |
| 143 | + await ctx.send("Messages will not be auto-deleted after a specific amount of time.") |
| 144 | + |
| 145 | + @deleter.command() |
| 146 | + async def remove(self, ctx, channel: discord.TextChannel, *messages: str): |
| 147 | + """Remove messages in the specified channel from the auto-timed deletion. |
| 148 | +
|
| 149 | + Helpful for announcements that you want to stay in the channel. |
| 150 | + The messages to be removed must be the IDs of the messages you wish to remove.""" |
| 151 | + failed = [] |
| 152 | + success = [] |
| 153 | + msgs = await self.conf.channel(channel).messages() |
| 154 | + for m in messages: |
| 155 | + if not m in msgs: |
| 156 | + failed.append(m) |
| 157 | + continue |
| 158 | + del msgs[m] |
| 159 | + success.append(m) |
| 160 | + if not failed: |
| 161 | + failed = [None] |
| 162 | + if not success: |
| 163 | + success = [None] |
| 164 | + await self.conf.channel(channel).messages.set(msgs) |
| 165 | + await ctx.send( |
| 166 | + f"Messages successfully removed: {humanize_list(success)}\nMessages that failed to be removed: {humanize_list(failed)}" |
| 167 | + ) |
| 168 | + |
| 169 | + @deleter.command() |
| 170 | + async def wipe(self, ctx, channel: discord.TextChannel = None): |
| 171 | + """Removes all messages in the specified channel from the auto-timed deleter. |
| 172 | +
|
| 173 | + Leave blank to do it for the current channel.""" |
| 174 | + if not channel: |
| 175 | + channel = ctx.channel |
| 176 | + await self.conf.channel(channel).messages.set({}) |
| 177 | + await ctx.tick() |
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