"""MIT License Copyright (c) 2023 Vocard Development 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. """ from .exceptions import QueueFull, OutofList, DuplicateTrack from .objects import Track from discord import Member class Queue: def __init__(self, size: int, duplicate_track: bool, get_msg): self._queue = [] self._position = 0 self._size = size self._repeat = 0 self._repeat_position = 0 self._duplicate_track = duplicate_track self._repeat_mode = { 0: "off", 1: "track", 2: "queue", } self.get_msg = get_msg def get(self): track = None try: track = self._queue[self._position - 1 if self._repeat == 1 else self._position] if self._repeat != 1: self._position += 1 except: if self._repeat == 2: try: track = self._queue[self._repeat_position] self._position = self._repeat_position + 1 except IndexError: self._repeat = 0 return track def put(self, item: Track) -> int: if self.count >= self._size: raise QueueFull(self.get_msg("voicelinkQueueFull").format(self._size)) if not self._duplicate_track: if item.uri in [track.uri for track in self._queue]: raise DuplicateTrack(self.get_msg("voicelinkDuplicateTrack")) self._queue.append(item) return self.count def put_at_front(self, item: Track): if self.count >= self._size: raise QueueFull(self.get_msg("voicelinkQueueFull").format(self._size)) if not self._duplicate_track: if item.uri in [track.uri for track in self._queue]: raise DuplicateTrack(self.get_msg("voicelinkDuplicateTrack")) self._queue.insert(self._position, item) return 1 def put_at_index(self, index: int, item: Track): if self.count >= self._size: raise QueueFull(self.get_msg("voicelinkQueueFull").format(self._size)) if not self._duplicate_track: if item.uri in [track.uri for track in self._queue]: raise DuplicateTrack(self.get_msg("voicelinkDuplicateTrack")) return self._queue.insert(self._position - 1 + index, item) def skipto(self, index: int): if not 0 < index <= self.count: raise OutofList(self.get_msg("voicelinkOutofList")) else: self._position += index - 1 def backto(self, index: int): if not self._position - index >= 0: raise OutofList(self.get_msg("voicelinkOutofList")) else: self._position -= index def history_clear(self, is_playing: bool): self._queue[:self._position - 1 if is_playing else self._position] = [] self._position = 1 if is_playing else 0 def clear(self): del self._queue[self._position:] def replace(self, queue_type: str, replacement: list): if queue_type == "queue": self.clear() self._queue += replacement elif queue_type == "history": self._queue[:self._position] = replacement def swap(self, num1: int, num2: int): try: pos = self._position - 1 self._queue[pos + num1], self._queue[pos + num2] = self._queue[pos + num2], self._queue[pos + num1] return self._queue[pos + num1], self._queue[pos + num2] except IndexError: raise OutofList(self.get_msg("voicelinkOutofList")) def move(self, target: int, to: int): if not 0 < target <= self.count or not 0 < to: raise OutofList(self.get_msg("voicelinkOutofList")) try: moveItem = self._queue[self._position + target - 1] self._queue.remove(moveItem) self.put_at_index(to, moveItem) return moveItem except: raise OutofList(self.get_msg("voicelinkOutofList")) def remove(self, index: int, index2: int = None, member: Member = None): pos = self._position - 1 if index2 is None: index2 = index if index2 < index: temp = index index = index2 index2 = temp try: count = [] for i, track in enumerate(self._queue[pos + index: pos + index2 + 1], start=0): if member: if track.requester != member: continue self._queue.remove(track) count.append({"position": pos + index + i, "track": track}) return count except: raise OutofList(self.get_msg("voicelinkOutofList")) def history(self, incTrack: bool = False) -> list: if incTrack: return self._queue[:self._position] return self._queue[:self._position - 1] def tracks(self, incTrack: bool = False): if incTrack: return self._queue[self._position - 1:] return self._queue[self._position:] @property def count(self): return len(self._queue[self._position:]) @property def repeat(self): return self._repeat_mode.get(self._repeat, "Off").capitalize() @property def is_empty(self): try: self._queue[self._position] except: return True return False class FairQueue(Queue): def __init__(self, size: int, duplicate_track: bool, get_msg): super().__init__(size, duplicate_track, get_msg) self._set = set() async def put(self, item: Track) -> int: if len(self._queue) >= self._size: raise QueueFull(self.get_msg("voicelinkQueueFull").format(self._size)) if not self._duplicate_track: if item.uri in [track.uri for track in self._queue]: raise DuplicateTrack(self.get_msg("voicelinkDuplicateTrack")) tracks = self.tracks(incTrack=True) lastIndex = len(tracks) for track in reversed(tracks): if track.requester == item.requester: break lastIndex -= 1 self._set.clear() for track in tracks[lastIndex:]: if track.requester in self._set: break lastIndex += 1 self._set.add(track.requester) await self.put_at_index(lastIndex, item) return lastIndex