148 lines
5.1 KiB
Python
148 lines
5.1 KiB
Python
import re
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from discord import Embed, Member, Guild
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from discord.errors import Forbidden
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from discord.ext import commands
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from discord.ext.commands import BadArgument
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import db
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from administrator.check import is_enabled
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from administrator.logger import logger
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from administrator.utils import event_is_enabled
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extension_name = "invite"
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logger = logger.getChild(extension_name)
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role_mention_re = re.compile(r"<@&[0-9]+>")
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channel_mention_re = re.compile(r"<#[0-9]+>")
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class Invite(commands.Cog):
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def __init__(self, bot: commands.Bot):
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self.bot = bot
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self.invites = {}
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self.bot.loop.create_task(self.update_invites())
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def description(self):
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return "Get role from a special invite link"
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@commands.group("invite", pass_context=True)
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@is_enabled()
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@commands.guild_only()
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@commands.has_guild_permissions(administrator=True)
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async def invite(self, ctx: commands.Context):
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if ctx.invoked_subcommand is None:
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await ctx.invoke(self.invite_help)
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@invite.group("help", pass_context=True)
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async def invite_help(self, ctx: commands.Context):
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embed = Embed(title="Invite help")
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embed.add_field(name="invite create <#channel> <@role>", value="Create a invite link to a role", inline=False)
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embed.add_field(name="invite delete <code>", value="Remove a invite", inline=False)
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await ctx.send(embed=embed)
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@invite.group("create", pass_context=True)
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async def invite_add(self, ctx: commands.Context, channel: str, role: str):
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if not channel_mention_re.fullmatch(channel) or len(ctx.message.channel_mentions) != 1 or\
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not role_mention_re.fullmatch(role) or len(ctx.message.role_mentions) != 1:
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raise BadArgument()
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inv = await ctx.message.channel_mentions[0].create_invite()
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s = db.Session()
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s.add(db.InviteRole(ctx.guild.id, inv.code, ctx.message.role_mentions[0].id))
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s.commit()
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s.close()
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await ctx.send(f"Invite created: `{inv.url}`")
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@invite.group("delete", pass_context=True)
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async def invite_delete(self, ctx: commands.Context, code: str):
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inv = next(filter(lambda i: i.code == code, await ctx.guild.invites()), None)
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if not inv:
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raise BadArgument()
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s = db.Session()
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invite_role = s.query(db.InviteRole).get({"guild_id": ctx.guild.id, "invite_code": code})
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if not invite_role:
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s.close()
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raise BadArgument()
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s.delete(invite_role)
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s.commit()
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s.close()
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await inv.delete()
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await ctx.message.add_reaction("\U0001f44d")
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async def update_invites(self):
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for g in self.bot.guilds:
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self.invites[g.id] = await g.invites()
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@commands.Cog.listener()
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async def on_ready(self):
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await self.update_invites()
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@commands.Cog.listener()
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async def on_member_join(self, member: Member):
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if not event_is_enabled(self.qualified_name, member.guild.id):
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return
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user_invites = await member.guild.invites()
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for i in self.invites[member.guild.id]:
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for ui in user_invites:
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if i.code == ui.code and i.uses < ui.uses:
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s = db.Session()
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invite_role = s.query(db.InviteRole).get({"guild_id": member.guild.id, "invite_code": i.code})
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s.close()
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if invite_role:
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try:
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await member.add_roles(member.guild.get_role(invite_role.role_id))
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except Forbidden:
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pass
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self.invites[member.guild.id] = user_invites
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@commands.Cog.listener()
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async def on_invite_create(self, invite):
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if not event_is_enabled(self.qualified_name, invite.guild.id):
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return
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self.invites[invite.guild.id] = await invite.guild.invites()
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@commands.Cog.listener()
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async def on_invite_delete(self, invite):
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s = db.Session()
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if not event_is_enabled(self.qualified_name, invite.guild.id, s):
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return
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invite_role = s.query(db.InviteRole).get({"guild_id": invite.guild.id, "invite_code": invite.code})
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if invite_role:
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s.delete(invite_role)
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s.commit()
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s.close()
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self.invites[invite.guild.id] = await invite.guild.invites()
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@commands.Cog.listener()
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async def on_guild_join(self, guild: Guild):
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self.invites[guild.id] = await guild.invites()
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@commands.Cog.listener()
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async def on_guild_remove(self, guild: Guild):
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s = db.Session()
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for g in s.query(db.InviteRole).filter(db.InviteRole.guild_id == guild.id).all():
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s.delete(g)
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s.commit()
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s.close()
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del self.invites[guild.id]
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def setup(bot):
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logger.info(f"Loading...")
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try:
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bot.add_cog(Invite(bot))
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except Exception as e:
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logger.error(f"Error loading: {e}")
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else:
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logger.info(f"Load successful")
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def teardown(bot):
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logger.info(f"Unloading...")
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try:
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bot.remove_cog("Invite")
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except Exception as e:
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logger.error(f"Error unloading: {e}")
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else:
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logger.info(f"Unload successful")
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