main.py

import asyncio
import sys
from os import environ

from discord.ext import commands
from dotenv import load_dotenv

import bot.display.embed as disp
import nest_asyncio
from bot.api.fetch import get_challenges
from bot.colors import green, red
from bot.constants import LANGS, FILENAME
from bot.database.manager import DatabaseManager
from bot.wraps import update_challenges

load_dotenv()
TOKEN = environ.get('TOKEN')
BOT_CHANNEL = environ.get('BOT_CHANNEL')


class RootMeBot:

    def __init__(self, db: DatabaseManager):
        """ Discord Bot to catch RootMe events made by zTeeed """
        self.db = db
        self.bot = commands.Bot(command_prefix='!')

    async def cron(self):
        await self.bot.wait_until_ready()
        while not self.bot.is_closed():
            for server in self.bot.guilds:  # loop over servers where bot is currently active
                for channel in server.channels:
                    if str(channel) == BOT_CHANNEL:  # send data only in the right channel
                        await disp.cron(channel, server, self.db, self.bot)
            await asyncio.sleep(1)

    def catch(self):
        @self.bot.event
        async def on_ready():
            for server in self.bot.guilds:
                green(f'RootMeBot is starting on the following server: "{server.name}" !')

        @self.bot.command(description='Show information about the project')
        async def info(context: commands.context.Context):
            """ """
            await disp.info(context)

        @self.bot.command(description='Add a user to team into database.')
        async def add_user(context: commands.context.Context):
            """ <username> """
            await disp.add_user(self.db, context)

        @self.bot.command(description='Remove a user from team in database.')
        async def remove_user(context: commands.context.Context):
            """ <username> """
            await disp.remove_user(self.db, context)

        @self.bot.command(description='Show list of users from team.')
        async def scoreboard(context: commands.context.Context):
            """ """
            await disp.scoreboard(self.db, context)

        @self.bot.command(description='Return who solved a specific challenge.')
        async def who_solved(context: commands.context.Context):
            """ <challenge> """
            await disp.who_solved(self.db, context)

        @self.bot.command(description='Return challenges solved grouped by users for last week.')
        async def week(context: commands.context.Context):
            """ (<username>) """
            await disp.week(self.db, context)

        @self.bot.command(description='Return challenges solved grouped by users for last day.')
        async def today(context: commands.context.Context):
            """ (<username>) """
            print("hello")
            await disp.today(self.db, context)

        @self.bot.command(description='Return all challenges solved by a specific user.')
        async def solved_by(context: commands.context.Context):
            """ (<username>) """
            await disp.solved_by(self.db, context)

        @update_challenges
        @self.bot.command(description='Return difference of solved challenges between two users.')
        async def diff(context: commands.context.Context):
            """ <username1> <username2> """
            await disp.diff(self.db, context)

        @update_challenges
        @self.bot.command(description='Return difference of solved challenges between a user and all team.')
        async def diff_with(context: commands.context.Context):
            """ <username> """
            await disp.diff_with(self.db, context)

        @self.bot.command(description='Flush all data from bot channel excepted events')
        async def api_query(context: commands.context.Context):
            """ """
            await disp.api_query(context)

        @self.bot.command(description='Flush all data from bot channel excepted events')
        async def flush(context: commands.context.Context):
            """ """
            await disp.flush(context)

        @self.bot.command(description='Reset bot database')
        async def reset_database(context: commands.context.Context):
            """ """
            await disp.reset_database(db, context)

    def start(self):
        self.catch()
        self.bot.loop.create_task(self.cron())
        self.bot.run(TOKEN)


def init_rootme_challenges():
    rootme_challenges = []
    for lang in LANGS:
        loop = asyncio.get_event_loop()  # event loop
        future = asyncio.ensure_future(get_challenges(lang))  # tasks to do
        challenges = loop.run_until_complete(future)  # loop until done
        challenges = challenges[0]
        rootme_challenges += list(challenges.values())
    rootme_challenges = sorted(rootme_challenges, key=lambda x: int(x['id_challenge']))
    nest_asyncio.apply()
    return rootme_challenges


if __name__ == "__main__":
    rootme_challenges = init_rootme_challenges()
    if rootme_challenges is None:
        red('Cannot fetch RootMe challenges from the API.')
        sys.exit(0)
    db = DatabaseManager(FILENAME, rootme_challenges)
    bot = RootMeBot(db)
    bot.start()