Vulkan/Handlers/QueueHandler.py

105 lines
4.8 KiB
Python

from discord.ext.commands import Context
from Config.Exceptions import InvalidIndex
from Handlers.AbstractHandler import AbstractHandler
from Handlers.HandlerResponse import HandlerResponse
from Handlers.JumpMusicHandler import JumpMusicHandler
from Messages.MessagesCategory import MessagesCategory
from UI.Views.BasicView import BasicView
from Utils.Utils import Utils
from Music.VulkanBot import VulkanBot
from Music.Song import Song
from Music.Playlist import Playlist
from typing import List, Union
from discord import Button, Interaction
from UI.Buttons.CallbackButton import CallbackButton
from UI.Buttons.PlaylistDropdown import PlaylistDropdown
from Config.Emojis import VEmojis
class QueueHandler(AbstractHandler):
def __init__(self, ctx: Union[Context, Interaction], bot: VulkanBot) -> None:
super().__init__(ctx, bot)
async def run(self, pageNumber=0) -> HandlerResponse:
# Retrieve the process of the guild
processManager = self.config.getProcessManager()
processInfo = processManager.getRunningPlayerInfo(self.guild)
if not processInfo: # If no process return empty list
embed = self.embeds.EMPTY_QUEUE()
return HandlerResponse(self.ctx, embed)
# Acquire the Lock to manipulate the playlist
processLock = processInfo.getLock()
acquired = processLock.acquire(timeout=self.config.ACQUIRE_LOCK_TIMEOUT)
if acquired:
playlist: Playlist = processInfo.getPlaylist()
if playlist.isLoopingOne():
song = playlist.getCurrentSong()
embed = self.embeds.ONE_SONG_LOOPING(song.info)
processLock.release() # Release the Lock
return HandlerResponse(self.ctx, embed)
allSongs = playlist.getSongs()
if len(allSongs) == 0:
embed = self.embeds.EMPTY_QUEUE()
processLock.release() # Release the Lock
return HandlerResponse(self.ctx, embed)
songsPages = playlist.getSongsPages()
if pageNumber < 0 or pageNumber >= len(songsPages):
embed = self.embeds.INVALID_INDEX()
error = InvalidIndex()
processLock.release() # Release the Lock
return HandlerResponse(self.ctx, embed, error)
# Select the page in queue to be printed
songs = songsPages[pageNumber]
# Create view for this embed
buttons = self.__createViewButtons(songsPages, pageNumber)
buttons.extend(self.__createViewJumpButtons(playlist))
queueView = BasicView(self.bot, buttons, self.config.QUEUE_VIEW_TIMEOUT)
if playlist.isLoopingAll():
title = self.messages.ALL_SONGS_LOOPING
else:
title = self.messages.QUEUE_TITLE
total_time = Utils.format_time(sum([int(song.duration if song.duration else 0)
for song in allSongs]))
total_songs = len(playlist.getSongs())
text = f'📜 Queue length: {total_songs} | Page Number: {pageNumber+1}/{len(songsPages)} | ⌛ Duration: `{total_time}` downloaded \n\n'
# To work get the correct index of all songs
startIndex = (pageNumber * self.config.MAX_SONGS_IN_PAGE) + 1
for pos, song in enumerate(songs, start=startIndex):
song_name = song.title[:50] if song.title else self.messages.SONG_DOWNLOADING
text += f"**`{pos}` - ** [{song_name}]({song.identifier}) - `{Utils.format_time(song.duration)}`\n"
embed = self.embeds.QUEUE(title, text)
# Release the acquired Lock
processLock.release()
return HandlerResponse(self.ctx, embed, view=queueView)
else:
processManager.resetProcess(self.guild, self.ctx)
embed = self.embeds.PLAYER_RESTARTED()
return HandlerResponse(self.ctx, embed)
def __createViewButtons(self, songsPages: List[List[Song]], pageNumber: int) -> List[Button]:
buttons = []
if pageNumber > 0:
prevPageNumber = pageNumber - 1
buttons.append(CallbackButton(self.bot, self.run, VEmojis().BACK, self.ctx.channel,
self.guild.id, MessagesCategory.QUEUE, "Prev Page", pageNumber=prevPageNumber))
if pageNumber < len(songsPages) - 1:
nextPageNumber = pageNumber + 1
buttons.append(CallbackButton(self.bot, self.run, VEmojis().SKIP, self.ctx.channel,
self.guild.id, MessagesCategory.QUEUE, "Next Page", pageNumber=nextPageNumber))
return buttons
def __createViewJumpButtons(self, playlist: Playlist) -> List[Button]:
return [PlaylistDropdown(self.bot, JumpMusicHandler, playlist, self.ctx.channel, self.guild.id, MessagesCategory.PLAYER)]