| const queues = new Map(); |
| const history = new Map(); |
| |
| const repeatAllSnapshots = new Map(); |
|
|
| function getQueue(guildId) { |
| if (!queues.has(guildId)) queues.set(guildId, []); |
| return queues.get(guildId); |
| } |
|
|
| function add(guildId, song) { |
| getQueue(guildId).push(song); |
| } |
|
|
| function next(guildId) { |
| const q = getQueue(guildId); |
| const song = q.shift(); |
| if (song) { |
| if (!history.has(guildId)) history.set(guildId, []); |
| history.get(guildId).push(song); |
| if (history.get(guildId).length > 50) history.get(guildId).shift(); |
| } |
| return song || null; |
| } |
|
|
| function getPrev(guildId) { |
| const h = history.get(guildId) || []; |
| if (h.length < 2) return null; |
| return h[h.length - 2]; |
| } |
|
|
| function clear(guildId) { |
| queues.set(guildId, []); |
| repeatAllSnapshots.delete(guildId); |
| } |
|
|
| function removeAt(guildId, index) { |
| const q = getQueue(guildId); |
| if (index < 0 || index >= q.length) return null; |
| return q.splice(index, 1)[0]; |
| } |
|
|
| function removeDuplicates(guildId) { |
| const q = getQueue(guildId); |
| const seen = new Set(); |
| const deduped = []; |
| let removed = 0; |
| for (const song of q) { |
| if (!seen.has(song.url)) { |
| seen.add(song.url); |
| deduped.push(song); |
| } else { |
| removed++; |
| } |
| } |
| queues.set(guildId, deduped); |
| return removed; |
| } |
|
|
| |
| function saveRepeatAllSnapshot(guildId, allSongs) { |
| repeatAllSnapshots.set(guildId, allSongs.map(s => ({ ...s }))); |
| } |
|
|
| |
| function restoreRepeatAllSnapshot(guildId) { |
| const snap = repeatAllSnapshots.get(guildId); |
| if (!snap || snap.length === 0) return false; |
| queues.set(guildId, snap.map(s => ({ ...s }))); |
| return true; |
| } |
|
|
| module.exports = { getQueue, add, next, getPrev, clear, removeAt, removeDuplicates, saveRepeatAllSnapshot, restoreRepeatAllSnapshot }; |
|
|
