vpd-discord-bot/VPD_BOT/cogs/demotion.py

import discord
from discord.ext import commands
from discord.commands import Option
from discord.commands import slash_command
import configparser


class demotion(commands.Cog):
    def __init__(self, bot: discord.Bot):
        self.bot = bot


#Command initialization
    @slash_command(name="demotion", description= "Demote a department member to the previous rank")
    async def demotion(
        self,
        ctx,
        user: str = Option(discord.User, "Select User", required=True),
    ):
    if user not in ctx.guild.members:
        await ctx.respond("The selected user is not a member on this Server!", ephemeral=True)
        return
    elif user == self.bot.user:
        await ctx.respond(f"This is me - the {self.bot.user}", ephemeral=True)
        return
    elif user == ctx.author:
        await ctx.respond("You cannot promote yourself!", ephemeral=True)
        return
    server = ctx.guild
    config = configparser.RawConfigParser()
    configFilePath = r'config.cfg'
    config.read_file(open(configFilePath))
    
    #Role Configuration
    department1_ranks_ids = config.get('Role Management', 'department1_ranks').split(', ')
    department1_ranks = [ctx.guild.get_role(int(role_id)) for role_id in department1_ranks_ids]
    department1_supervisor_role_id = int(config.get('Einweisung', 'department1_supervisor_id'))
    department1_supervisor_role = server.get_role(department1_supervisor_role_id)

    #department2_ranks_ids = config.get('Role Management', 'department2_ranks').split(', ')
    #department2_ranks = [ctx.guild.get_role(int(role_id)) for role_id in department2_ranks_ids]
    #department2_supervisor_role_id = int(config.get('Einweisung', 'department2_supervisor_id'))
    #department2_supervisor_role = server.get_role(department2_supervisor_role_id)

    #Command implementation
    if ctx.author.roles.contains(department1_supervisor_role):
        ranks = department1_ranks
    #elif ctx.author.roles.contains(department2_supervisor_role):
        #ranks = department2_ranks
    else:
        await ctx.respond("You do not have permission to use this command!", ephemeral=True)
        return
    
    user_roles = user.roles
    user_rank = None
    for rank in ranks:
        if rank in user_roles:
            user_rank = rank
            break
    if user_rank is None:
        await ctx.respond("The selected user does not have a rank that can be demoted!", ephemeral=True)
        return
    current_rank_index = ranks.index(user_rank)
    if current_rank_index == 0:
        await ctx.respond("The selected user is already at the lowest rank!", ephemeral=True)
        return
    new_rank = ranks[current_rank_index - 1]
    await user.remove_roles(user_rank)
    await user.add_roles(new_rank)
    await ctx.respond(f"{user.mention} has been demoted to {new_rank.name}!", ephemeral=True)


def setup(bot: discord.Bot):
    bot.add_cog(demotion(bot))