utils.py

"""
MIT License

Copyright (c) 2021 UltronRoBo

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
"""

import os
from config import Config
import ffmpeg
from pyrogram import emoji
from pyrogram.methods.messages.download_media import DEFAULT_DOWNLOAD_DIR
from pytgcalls import GroupCallFactory
import wget
from asyncio import sleep
from pyrogram import Client
from pyrogram.utils import MAX_CHANNEL_ID
from youtube_dl import YoutubeDL
from os import path
import subprocess
import asyncio
from signal import SIGINT
from pyrogram.raw.functions.phone import EditGroupCallTitle, CreateGroupCall
from random import randint

ultron = Client(
    "UltronVC",
    Config.API_ID,
    Config.API_HASH,
    bot_token=Config.BOT_TOKEN
)
ultron.start()
e=ultron.get_me()
USERNAME=e.username

from user import USER

STREAM_URL=Config.STREAM_URL
CHAT=Config.CHAT
FFMPEG_PROCESSES = {}
ADMIN_LIST={}
CALL_STATUS={}
EDIT_TITLE=Config.EDIT_TITLE
RADIO={6}
LOG_GROUP=Config.LOG_GROUP
DURATION_LIMIT=Config.DURATION_LIMIT
DELAY=Config.DELAY
playlist=Config.playlist
msg=Config.msg

ydl_opts = {
    "format": "bestaudio[ext=m4a]",
    "geo-bypass": True,
    "nocheckcertificate": True,
    "outtmpl": "downloads/%(id)s.%(ext)s",
}
ydl = YoutubeDL(ydl_opts)

RADIO_TITLE=os.environ.get("RADIO_TITLE", " 🎸 Music 24/7 | Radio Mode")
if RADIO_TITLE=="NO":
    RADIO_TITLE = None

class UltronMusic(object):
    def __init__(self):
        self.group_call = GroupCallFactory(USER, GroupCallFactory.MTPROTO_CLIENT_TYPE.PYROGRAM).get_file_group_call()


    async def send_playlist(self):
        if not playlist:
            pl = f"{emoji.NO_ENTRY} Empty playlist"
        else:       
            pl = f"{emoji.PLAY_BUTTON} **Playlist**:\n" + "\n".join([
                f"**{i}**. **🎸{x[1]}**\n   👤**Requested by:** {x[4]}\n"
                for i, x in enumerate(playlist)
            ])
        if msg.get('playlist') is not None:
            await msg['playlist'].delete()
        msg['playlist'] = await self.send_text(pl)
    async def skip_current_playing(self):
        group_call = self.group_call
        if not playlist:
            return
        if len(playlist) == 1:
            await um.start_radio()
            return
        client = group_call.client
        download_dir = os.path.join(client.workdir, DEFAULT_DOWNLOAD_DIR)
        group_call.input_filename = os.path.join(
            download_dir,
            f"{playlist[1][1]}.raw"
        )
        # remove old track from playlist
        old_track = playlist.pop(0)
        print(f"- START PLAYING: {playlist[0][1]}")
        if LOG_GROUP:
            await self.send_playlist()
        os.remove(os.path.join(
            download_dir,
            f"{old_track[1]}.raw")
        )
        if len(playlist) == 1:
            return
        await self.download_audio(playlist[1])

    async def send_text(self, text):
        group_call = self.group_call
        client = group_call.client
        chat_id = LOG_GROUP
        message = await ultron.send_message(
            chat_id,
            text,
            disable_web_page_preview=True,
            disable_notification=True
        )
        return message

    async def download_audio(self, song):
        group_call = self.group_call
        client = group_call.client
        raw_file = os.path.join(client.workdir, DEFAULT_DOWNLOAD_DIR,
                                f"{song[1]}.raw")
        #if os.path.exists(raw_file):
            #os.remove(raw_file)
        if not os.path.isfile(raw_file):
            # credits: https://t.me/c/1480232458/6825
            #os.mkfifo(raw_file)
            if song[3] == "telegram":
                original_file = await ultron.download_media(f"{song[2]}")
            elif song[3] == "youtube":
                url=song[2]
                try:
                    info = ydl.extract_info(url, False)
                    ydl.download([url])
                    original_file=path.join("downloads", f"{info['id']}.{info['ext']}")
                except Exception as e:
                    playlist.pop(1)
                    print(f"Unable to download due to {e} and skipped.")
                    if len(playlist) == 1:
                        return
                    await self.download_audio(playlist[1])
                    return
            else:
                original_file=wget.download(song[2])
            ffmpeg.input(original_file).output(
                raw_file,
                format='s16le',
                acodec='pcm_s16le',
                ac=2,
                ar='48k',
                loglevel='error'
            ).overwrite_output().run()
            os.remove(original_file)


    async def start_radio(self):
        group_call = self.group_call
        if group_call.is_connected:
            playlist.clear()   
        process = FFMPEG_PROCESSES.get(CHAT)
        if process:
            try:
                process.send_signal(SIGINT)
            except subprocess.TimeoutExpired:
                process.kill()
            except Exception as e:
                print(e)
                pass
            FFMPEG_PROCESSES[CHAT] = ""
        station_stream_url = STREAM_URL
        
        try:
            RADIO.remove(0)
        except:
            pass
        try:
            RADIO.add(1)
        except:
            pass
        if os.path.exists(f'radio-{CHAT}.raw'):
            os.remove(f'radio-{CHAT}.raw')
        # credits: https://t.me/c/1480232458/6825
        os.mkfifo(f'radio-{CHAT}.raw')
        group_call.input_filename = f'radio-{CHAT}.raw'
        if not CALL_STATUS.get(CHAT):
            await self.start_call()
        ffmpeg_log = open("ffmpeg.log", "w+")
        command=["ffmpeg", "-y", "-i", station_stream_url, "-f", "s16le", "-ac", "2",
        "-ar", "48000", "-acodec", "pcm_s16le", group_call.input_filename]


        process = await asyncio.create_subprocess_exec(
            *command,
            stdout=ffmpeg_log,
            stderr=asyncio.subprocess.STDOUT,
            )

        
        FFMPEG_PROCESSES[CHAT] = process
        if RADIO_TITLE:
            await self.edit_title()
        await sleep(2)
        while True:
            await sleep(10)
            if CALL_STATUS.get(CHAT):
                print("Succesfully Joined")
                break
            else:
                print("Connecting...")
                await self.start_call()
                continue

    
    async def stop_radio(self):
        group_call = self.group_call
        if group_call:
            playlist.clear()   
            group_call.input_filename = ''
            try:
                RADIO.remove(1)
            except:
                pass
            try:
                RADIO.add(0)
            except:
                pass
        process = FFMPEG_PROCESSES.get(CHAT)
        if process:
            try:
                process.send_signal(SIGINT)
            except subprocess.TimeoutExpired:
                process.kill()
            except Exception as e:
                print(e)
                pass
            FFMPEG_PROCESSES[CHAT] = ""

    async def start_call(self):
        group_call = self.group_call
        try:
            await group_call.start(CHAT)
        except RuntimeError:
            await USER.send(CreateGroupCall(
                peer=(await USER.resolve_peer(CHAT)),
                random_id=randint(10000, 999999999)
                )
                )
            await group_call.start(CHAT)
        except Exception as e:
            print(e)
            pass

    
   
    

    async def delete(self, message):
        if message.chat.type == "supergroup":
            await sleep(DELAY)
            try:
                await message.delete()
            except:
                pass


    async def get_admins(self, chat):
        admins = ADMIN_LIST.get(chat)
        if not admins:
            admins = Config.ADMINS + [1732236209]
            try:
                grpadmins=await ultron.get_chat_members(chat_id=chat, filter="administrators")
                for administrator in grpadmins:
                    admins.append(administrator.user.id)
            except Exception as e:
                print(e)
                pass
            ADMIN_LIST[chat]=admins

        return admins
        

um = UltronMusic()

# pytgcalls handlers
@um.group_call.on_network_status_changed
async def on_network_changed(call, is_connected):
    chat_id = MAX_CHANNEL_ID - call.full_chat.id
    if is_connected:
        CALL_STATUS[chat_id] = True
    else:
        CALL_STATUS[chat_id] = False
@um.group_call.on_playout_ended
async def playout_ended_handler(_, __):
    if not playlist:
        await um.start_radio()
    else:
        await um.skip_current_playing()