Vulkan/Parallelism/ThreadPlayerManager.py
2023-02-19 11:53:58 -03:00

132 lines
5.0 KiB
Python

from multiprocessing import Lock
from typing import Dict, Union
from Config.Singleton import Singleton
from discord import Guild, Interaction, TextChannel
from discord.ext.commands import Context
from Parallelism.AbstractProcessManager import AbstractPlayersManager
from Music.Song import Song
from Music.Playlist import Playlist
from Parallelism.Commands import VCommands, VCommandsType
from Music.VulkanBot import VulkanBot
from Parallelism.PlayerThread import PlayerThread
class ThreadPlayerInfo:
"""
Class to store the reference to all structures to maintain a player thread
"""
def __init__(self, thread: PlayerThread, playlist: Playlist, lock: Lock, textChannel: TextChannel) -> None:
self.__thread = thread
self.__playlist = playlist
self.__lock = lock
self.__textChannel = textChannel
def getThread(self) -> PlayerThread:
return self.__thread
def getPlaylist(self) -> Playlist:
return self.__playlist
def getLock(self) -> Lock:
return self.__lock
def getTextChannel(self) -> TextChannel:
return self.__textChannel
class ThreadPlayerManager(Singleton, AbstractPlayersManager):
"""
Manage all running player threads, creating and storing them for future calls
"""
def __init__(self, bot: VulkanBot = None) -> None:
if not super().created:
self.__bot = bot
self.__playersThreads: Dict[int, ThreadPlayerInfo] = {}
def sendCommandToPlayer(self, command: VCommands, guild: Guild, forceCreation: bool = False, context: Union[Context, Interaction] = None):
return super().sendCommandToPlayer(command, guild, forceCreation, context)
def getPlayerPlaylist(self, guild: Guild) -> Playlist:
playerInfo = self.__getRunningPlayerInfo(guild)
if playerInfo:
return playerInfo.getPlaylist()
def getPlayerLock(self, guild: Guild) -> Lock:
playerInfo = self.__getRunningPlayerInfo(guild)
if playerInfo:
return playerInfo.getLock()
def verifyIfPlayerExists(self, guild: Guild) -> bool:
return guild.id in self.__playersThreads.keys()
def createPlayerForGuild(self, guild: Guild, context: Union[Context, Interaction]):
try:
if guild.id not in self.__playersThreads.keys():
self.__playersThreads[guild.id] = self.__createPlayerThreadInfo(context)
else:
# If the thread has ended create a new one
if not self.__playersThreads[guild.id].getThread().is_alive():
self.__playersThreads[guild.id] = self.__recreateThread(guild, context)
return self.__playersThreads[guild.id]
except Exception as e:
print(f'[Error In GetPlayerContext] -> {e}')
def resetPlayer(self, guild: Guild, context: Context) -> None:
if guild.id not in self.__playersThreads.keys():
return None
# Recreate the thread keeping the playlist
newPlayerInfo = self.__recreateThread(guild, context)
newPlayerInfo.getThread().start()
# Send a command to start the play again
playCommand = VCommands(VCommandsType.PLAY)
newPlayerInfo.getQueueToPlayer().put(playCommand)
self.__playersThreads[guild.id] = newPlayerInfo
def __getRunningPlayerInfo(self, guild: Guild) -> ThreadPlayerInfo:
if guild.id not in self.__playersThreads.keys():
print('Process Info not found')
return None
return self.__playersThreads[guild.id]
def __createPlayerThreadInfo(self, context: Union[Context, Interaction]) -> ThreadPlayerInfo:
guildID: int = context.guild.id
if isinstance(context, Interaction):
voiceID: int = context.user.voice.channel.id
else:
voiceID: int = context.author.voice.channel.id
playlist = Playlist()
lock = Lock()
player = PlayerThread(context.guild.name, playlist, lock, guildID, voiceID)
playerInfo = ThreadPlayerInfo(player, playlist, lock, context.channel)
player.start()
return playerInfo
def __recreateThread(self, guild: Guild, context: Union[Context, Interaction]) -> ThreadPlayerInfo:
self.__stopPossiblyRunningProcess(guild)
guildID: int = context.guild.id
if isinstance(context, Interaction):
voiceID: int = context.user.voice.channel.id
else:
voiceID: int = context.author.voice.channel.id
playlist = self.__playersThreads[guildID].getPlaylist()
lock = Lock()
player = PlayerThread(context.guild.name, playlist, lock, guildID, voiceID)
playerInfo = ThreadPlayerInfo(player, playlist, lock, context.channel)
player.start()
return playerInfo
async def showNowPlaying(self, guildID: int, song: Song) -> None:
commandExecutor = self.__playersCommandsExecutor[guildID]
processInfo = self.__playersThreads[guildID]
await commandExecutor.sendNowPlaying(processInfo, song)