bereal-discord/bot/commands/SubscribeCommand.py

from database.controller import Database
import discord
from discord import app_commands
from discord.ext import commands


class SubscribeCommand(commands.Cog):
    def __init__(self, app: commands.Bot) -> None:
        self.app = app

    @app_commands.command(
        name="subscribe", description="Subscribe to BeReal. notifications."
    )
    async def subscribe(self, interaction: discord.Interaction) -> None:
        result = self.app.db.add_subscriber(interaction.user.id)
        if result:
            await interaction.response.send_message(
                ":information_source: You have been subscribed to **BeReal. notifications**\n\
:arrow_right: You will receive every day notifications whenever it's\
time to BeReal.\n:warning: You may unsubscribe at any time using `/unsubscribe`.\n\
:red_circle: **Make sure you enabled DMs from this server!**",
                ephemeral=True,
            )
        else:
            await interaction.response.send_message(
                ":information_source: You are already subscribed to **BeReal. notifications**\
\n:warning: You may unsubscribe at any time using `/unsubscribe`.",
                ephemeral=True,
            )


async def setup(app: commands.Bot) -> None:
    await app.add_cog(SubscribeCommand(app))