move track player hooks and mapping into state

app/components/ListItem.tsx

@@ -135,7 +135,9 @@ const ListItem: React.FC<{
 
   const starItem = useStore(selectMusic.starItem)
   const toggleStarred = useCallback(() => {
+    if (item.itemType !== 'playlist') {
       starItem(item.id, item.itemType, starred)
+    }
   }, [item.id, item.itemType, starItem, starred])
 
   let title = <></>

app/components/ListPlayerControls.tsx

@@ -1,7 +1,7 @@
 import Button from '@app/components/Button'
-import { useSetQueue } from '@app/hooks/trackplayer'
 import { Song } from '@app/models/music'
-import { QueueContextType } from '@app/state/trackplayer'
+import { useStore } from '@app/state/store'
+import { QueueContextType, selectTrackPlayer } from '@app/state/trackplayer'
 import colors from '@app/styles/colors'
 import React, { useState } from 'react'
 import { StyleProp, StyleSheet, View, ViewStyle } from 'react-native'
@@ -17,7 +17,7 @@ const ListPlayerControls = React.memo<{
   style?: StyleProp<ViewStyle>
 }>(({ songs, typeName, queueName, queueContextType, queueContextId, style }) => {
   const [downloaded, setDownloaded] = useState(false)
-  const setQueue = useSetQueue()
+  const setQueue = useStore(selectTrackPlayer.setQueue)
 
   return (
     <View style={[styles.controls, style]}>

app/hooks/trackplayer.ts

@@ -1,17 +1,6 @@
-import { Song } from '@app/models/music'
-import { selectCache } from '@app/state/cache'
 import { useStore } from '@app/state/store'
-import {
+import { getQueue, selectTrackPlayer, trackPlayerCommands } from '@app/state/trackplayer'
-  getCurrentTrack,
+import TrackPlayer from 'react-native-track-player'
-  getQueue,
-  getRepeatMode,
-  QueueContextType,
-  selectTrackPlayer,
-  TrackExt,
-  trackPlayerCommands,
-} from '@app/state/trackplayer'
-import { useCallback } from 'react'
-import TrackPlayer, { RepeatMode } from 'react-native-track-player'
 
 export const usePlay = () => {
   return () => trackPlayerCommands.enqueue(() => TrackPlayer.play())
@@ -67,33 +56,8 @@ export const useSeekTo = () => {
     })
 }
 
-export const useToggleRepeat = () => {
-  const setRepeatMode = useStore(selectTrackPlayer.setRepeatMode)
-
-  return () =>
-    trackPlayerCommands.enqueue(async () => {
-      const repeatMode = await getRepeatMode()
-      let nextMode = RepeatMode.Off
-
-      switch (repeatMode) {
-        case RepeatMode.Off:
-          nextMode = RepeatMode.Queue
-          break
-        case RepeatMode.Queue:
-          nextMode = RepeatMode.Track
-          break
-        default:
-          nextMode = RepeatMode.Off
-          break
-      }
-
-      await TrackPlayer.setRepeatMode(nextMode)
-      setRepeatMode(nextMode)
-    })
-}
-
 export const useReset = (enqueue = true) => {
-  const resetStore = useStore(selectTrackPlayer.reset)
+  const resetStore = useStore(selectTrackPlayer.resetTrackPlayerState)
 
   const reset = async () => {
     await TrackPlayer.reset()
@@ -103,166 +67,6 @@ export const useReset = (enqueue = true) => {
   return enqueue ? () => trackPlayerCommands.enqueue(reset) : reset
 }
 
-function shuffleTracks(tracks: TrackExt[], firstTrack?: number) {
-  if (tracks.length === 0) {
-    return { tracks, shuffleOrder: [] }
-  }
-
-  const trackIndexes = tracks.map((_t, i) => i)
-  let shuffleOrder: number[] = []
-
-  for (let i = trackIndexes.length; i--; i > 0) {
-    const randi = Math.floor(Math.random() * (i + 1))
-    shuffleOrder.push(trackIndexes.splice(randi, 1)[0])
-  }
-
-  if (firstTrack !== undefined) {
-    shuffleOrder.splice(shuffleOrder.indexOf(firstTrack), 1)
-    shuffleOrder = [firstTrack, ...shuffleOrder]
-  }
-
-  tracks = shuffleOrder.map(i => tracks[i])
-
-  return { tracks, shuffleOrder }
-}
-
-function unshuffleTracks(tracks: TrackExt[], shuffleOrder: number[]): TrackExt[] {
-  if (tracks.length === 0 || shuffleOrder.length === 0) {
-    return tracks
-  }
-
-  return shuffleOrder.map((_v, i) => tracks[shuffleOrder.indexOf(i)])
-}
-
-export const useToggleShuffle = () => {
-  const setCurrentTrackIdx = useStore(selectTrackPlayer.setCurrentTrackIdx)
-  const setQueue = useStore(selectTrackPlayer.setQueue)
-  const setShuffleOrder = useStore(selectTrackPlayer.setShuffleOrder)
-  const getShuffleOrder = useCallback(() => useStore.getState().shuffleOrder, [])
-  const setProgress = useStore(selectTrackPlayer.setProgress)
-  const getProgress = useCallback(() => useStore.getState().progress, [])
-
-  return async () => {
-    return trackPlayerCommands.enqueue(async () => {
-      const queue = await getQueue()
-      const current = await getCurrentTrack()
-      const queueShuffleOrder = getShuffleOrder()
-      const progress = getProgress()
-
-      await TrackPlayer.remove(queue.map((_t, i) => i).filter(i => i !== current))
-
-      if (queueShuffleOrder === undefined) {
-        let { tracks, shuffleOrder } = shuffleTracks(queue, current)
-        if (tracks.length > 0) {
-          tracks = tracks.slice(1)
-        }
-
-        await TrackPlayer.add(tracks)
-        setShuffleOrder(shuffleOrder)
-      } else {
-        const tracks = unshuffleTracks(queue, queueShuffleOrder)
-
-        if (current !== undefined) {
-          const shuffledCurrent = queueShuffleOrder[current]
-          const tracks1 = tracks.slice(0, shuffledCurrent)
-          const tracks2 = tracks.slice(shuffledCurrent + 1)
-
-          await TrackPlayer.add(tracks2)
-          await TrackPlayer.add(tracks1, 0)
-        } else {
-          await TrackPlayer.add(tracks)
-        }
-
-        setShuffleOrder(undefined)
-      }
-
-      setQueue(await getQueue())
-      setCurrentTrackIdx(await getCurrentTrack())
-      setProgress(progress)
-    })
-  }
-}
-
-export const useSetQueue = () => {
-  const setCurrentTrackIdx = useStore(selectTrackPlayer.setCurrentTrackIdx)
-  const setQueue = useStore(selectTrackPlayer.setQueue)
-  const setShuffleOrder = useStore(selectTrackPlayer.setShuffleOrder)
-  const setQueueName = useStore(selectTrackPlayer.setQueueName)
-  const getQueueShuffled = useCallback(() => !!useStore.getState().shuffleOrder, [])
-  const setQueueContextType = useStore(selectTrackPlayer.setQueueContextType)
-  const setQueueContextId = useStore(selectTrackPlayer.setQueueContextId)
-  const fetchCoverArtFilePath = useStore(selectCache.fetchCoverArtFilePath)
-  const buildStreamUri = useStore(selectTrackPlayer.buildStreamUri)
-
-  return async (
-    songs: Song[],
-    name: string,
-    contextType: QueueContextType,
-    contextId: string,
-    playTrack?: number,
-    shuffle?: boolean,
-  ) =>
-    trackPlayerCommands.enqueue(async () => {
-      const shuffled = shuffle !== undefined ? shuffle : getQueueShuffled()
-
-      await TrackPlayer.setupPlayer()
-      await TrackPlayer.reset()
-
-      if (songs.length === 0) {
-        return
-      }
-
-      const coverArtPaths: { [coverArt: string]: string | undefined } = {}
-      for (const s of songs) {
-        if (!s.coverArt) {
-          continue
-        }
-
-        coverArtPaths[s.coverArt] = await fetchCoverArtFilePath(s.coverArt)
-      }
-
-      let queue = songs.map(s => mapSongToTrack(s, coverArtPaths))
-
-      try {
-        for (const t of queue) {
-          t.url = buildStreamUri(t.id)
-        }
-      } catch {
-        return
-      }
-
-      if (shuffled) {
-        const { tracks, shuffleOrder } = shuffleTracks(queue, playTrack)
-        setShuffleOrder(shuffleOrder)
-        queue = tracks
-        playTrack = 0
-      } else {
-        setShuffleOrder(undefined)
-      }
-
-      playTrack = playTrack || 0
-
-      setQueue(queue)
-      setCurrentTrackIdx(playTrack)
-      setQueueName(name)
-      setQueueContextType(contextType)
-      setQueueContextId(contextId)
-
-      if (playTrack === 0) {
-        await TrackPlayer.add(queue)
-        await TrackPlayer.play()
-      } else {
-        const tracks1 = queue.slice(0, playTrack)
-        const tracks2 = queue.slice(playTrack)
-
-        await TrackPlayer.add(tracks2)
-        await TrackPlayer.play()
-
-        await TrackPlayer.add(tracks1, 0)
-      }
-    })
-}
-
 export const useIsPlaying = (contextId: string | undefined, track: number) => {
   const queueContextId = useStore(selectTrackPlayer.queueContextId)
   const currentTrackIdx = useStore(selectTrackPlayer.currentTrackIdx)
@@ -279,34 +83,3 @@ export const useIsPlaying = (contextId: string | undefined, track: number) => {
 
   return contextId === queueContextId && track === currentTrackIdx
 }
-
-function mapSongToTrack(song: Song, coverArtPaths: { [coverArt: string]: string | undefined }): TrackExt {
-  return {
-    id: song.id,
-    title: song.title,
-    artist: song.artist || 'Unknown Artist',
-    album: song.album || 'Unknown Album',
-    url: song.streamUri,
-    artwork:
-      song.coverArt && coverArtPaths[song.coverArt] ? coverArtPaths[song.coverArt] : require('@res/fallback.png'),
-    coverArt: song.coverArt,
-    duration: song.duration,
-    artistId: song.artistId,
-    albumId: song.albumId,
-  }
-}
-
-export function mapTrackExtToSong(track: TrackExt): Song {
-  return {
-    itemType: 'song',
-    id: track.id,
-    title: track.title as string,
-    artist: track.artist,
-    album: track.album,
-    streamUri: track.url as string,
-    coverArt: track.coverArt,
-    duration: track.duration,
-    artistId: track.artistId,
-    albumId: track.albumId,
-  }
-}

app/playbackservice.ts

@@ -6,7 +6,7 @@ import NetInfo, { NetInfoStateType } from '@react-native-community/netinfo'
 
 const reset = () => {
   unstable_batchedUpdates(() => {
-    useStore.getState().reset()
+    useStore.getState().resetTrackPlayerState()
   })
 }
 

app/screens/ArtistView.tsx

@@ -6,8 +6,9 @@ import Header from '@app/components/Header'
 import HeaderBar from '@app/components/HeaderBar'
 import ListItem from '@app/components/ListItem'
 import { useArtistInfo } from '@app/hooks/music'
-import { useSetQueue } from '@app/hooks/trackplayer'
 import { Album, Song } from '@app/models/music'
+import { useStore } from '@app/state/store'
+import { selectTrackPlayer } from '@app/state/trackplayer'
 import colors from '@app/styles/colors'
 import dimensions from '@app/styles/dimensions'
 import font from '@app/styles/font'
@@ -52,7 +53,7 @@ const TopSongs = React.memo<{
   name: string
   artistId: string
 }>(({ songs, name, artistId }) => {
-  const setQueue = useSetQueue()
+  const setQueue = useStore(selectTrackPlayer.setQueue)
 
   return (
     <>

app/screens/NowPlayingQueue.tsx

@@ -1,14 +1,16 @@
 import GradientScrollView from '@app/components/GradientScrollView'
 import ListItem from '@app/components/ListItem'
 import NowPlayingBar from '@app/components/NowPlayingBar'
-import { mapTrackExtToSong, useSkipTo } from '@app/hooks/trackplayer'
+import { useSkipTo } from '@app/hooks/trackplayer'
 import { useStore } from '@app/state/store'
 import { selectTrackPlayer } from '@app/state/trackplayer'
+import { selectTrackPlayerMap } from '@app/state/trackplayermap'
 import React from 'react'
 import { StyleSheet, View } from 'react-native'
 
 const NowPlayingQueue = React.memo<{}>(() => {
   const queue = useStore(selectTrackPlayer.queue)
+  const mapTrackExtToSong = useStore(selectTrackPlayerMap.mapTrackExtToSong)
   const skipTo = useSkipTo()
 
   return (

app/screens/NowPlayingView.tsx

@@ -4,19 +4,11 @@ import ImageGradientBackground from '@app/components/ImageGradientBackground'
 import PressableOpacity from '@app/components/PressableOpacity'
 import Star from '@app/components/Star'
 import { useStarred } from '@app/hooks/music'
-import {
+import { useNext, usePause, usePlay, usePrevious, useSeekTo } from '@app/hooks/trackplayer'
-  mapTrackExtToSong,
-  useNext,
-  usePause,
-  usePlay,
-  usePrevious,
-  useSeekTo,
-  useToggleRepeat,
-  useToggleShuffle,
-} from '@app/hooks/trackplayer'
 import { selectMusic } from '@app/state/music'
 import { useStore } from '@app/state/store'
 import { QueueContextType, selectTrackPlayer, TrackExt } from '@app/state/trackplayer'
+import { selectTrackPlayerMap } from '@app/state/trackplayermap'
 import colors from '@app/styles/colors'
 import font from '@app/styles/font'
 import formatDuration from '@app/util/formatDuration'
@@ -51,6 +43,7 @@ const NowPlayingHeader = React.memo<{
 }>(({ track }) => {
   const queueName = useStore(selectTrackPlayer.queueName)
   const queueContextType = useStore(selectTrackPlayer.queueContextType)
+  const mapTrackExtToSong = useStore(selectTrackPlayerMap.mapTrackExtToSong)
 
   if (!track) {
     return <></>
@@ -272,9 +265,9 @@ const PlayerControls = () => {
   const next = useNext()
   const previous = usePrevious()
   const shuffled = useStore(selectTrackPlayer.shuffled)
-  const toggleShuffle = useToggleShuffle()
+  const toggleShuffle = useStore(selectTrackPlayer.toggleShuffle)
   const repeatMode = useStore(selectTrackPlayer.repeatMode)
-  const toggleRepeat = useToggleRepeat()
+  const toggleRepeat = useStore(selectTrackPlayer.toggleRepeatMode)
   const navigation = useNavigation()
 
   let playPauseIcon: string

app/screens/Search.tsx

@@ -3,10 +3,10 @@ import Header from '@app/components/Header'
 import ListItem from '@app/components/ListItem'
 import NothingHere from '@app/components/NothingHere'
 import { useActiveListRefresh2 } from '@app/hooks/server'
-import { useSetQueue } from '@app/hooks/trackplayer'
 import { ListableItem, SearchResults, Song } from '@app/models/music'
 import { selectMusic } from '@app/state/music'
 import { useStore } from '@app/state/store'
+import { selectTrackPlayer } from '@app/state/trackplayer'
 import colors from '@app/styles/colors'
 import font from '@app/styles/font'
 import debounce from 'lodash.debounce'
@@ -14,7 +14,7 @@ import React, { useCallback, useMemo, useState } from 'react'
 import { ActivityIndicator, StatusBar, StyleSheet, TextInput, View } from 'react-native'
 
 const SongItem = React.memo<{ item: Song }>(({ item }) => {
-  const setQueue = useSetQueue()
+  const setQueue = useStore(selectTrackPlayer.setQueue)
 
   return (
     <ListItem

app/screens/SongListView.tsx

@@ -5,8 +5,9 @@ import ListItem from '@app/components/ListItem'
 import ListPlayerControls from '@app/components/ListPlayerControls'
 import NothingHere from '@app/components/NothingHere'
 import { useAlbumWithSongs, useCoverArtFile, usePlaylistWithSongs } from '@app/hooks/music'
-import { useSetQueue } from '@app/hooks/trackplayer'
 import { AlbumWithSongs, PlaylistWithSongs, Song } from '@app/models/music'
+import { useStore } from '@app/state/store'
+import { selectTrackPlayer } from '@app/state/trackplayer'
 import colors from '@app/styles/colors'
 import font from '@app/styles/font'
 import { useNavigation } from '@react-navigation/native'
@@ -27,7 +28,7 @@ const Songs = React.memo<{
   type: SongListType
   itemId: string
 }>(({ songs, name, type, itemId }) => {
-  const setQueue = useSetQueue()
+  const setQueue = useStore(selectTrackPlayer.setQueue)
 
   const _songs = [...songs]
   let typeName = ''

app/state/store.ts

@@ -6,11 +6,13 @@ import { persist, StateStorage } from 'zustand/middleware'
 import { CacheSlice, createCacheSlice } from './cache'
 import { createMusicMapSlice, MusicMapSlice } from './musicmap'
 import { createTrackPlayerSlice, TrackPlayerSlice } from './trackplayer'
+import { createTrackPlayerMapSlice, TrackPlayerMapSlice } from './trackplayermap'
 
 export type Store = SettingsSlice &
   MusicSlice &
   MusicMapSlice &
   TrackPlayerSlice &
+  TrackPlayerMapSlice &
   CacheSlice & {
     hydrated: boolean
     setHydrated: (hydrated: boolean) => void
@@ -41,6 +43,7 @@ export const useStore = create<Store>(
       ...createMusicSlice(set, get),
       ...createMusicMapSlice(set, get),
       ...createTrackPlayerSlice(set, get),
+      ...createTrackPlayerMapSlice(set, get),
       ...createCacheSlice(set, get),
 
       hydrated: false,

app/state/trackplayer.ts

@@ -1,7 +1,7 @@
 import { NoClientError } from '@app/models/error'
+import { Song } from '@app/models/music'
 import PromiseQueue from '@app/util/PromiseQueue'
 import produce from 'immer'
-import { ToastAndroid } from 'react-native'
 import TrackPlayer, { RepeatMode, State, Track } from 'react-native-track-player'
 import { GetState, SetState } from 'zustand'
 import { Store } from './store'
@@ -32,10 +32,10 @@ export type TrackPlayerSlice = {
   setQueueContextId: (queueContextId?: string) => void
 
   shuffleOrder?: number[]
-  setShuffleOrder: (shuffleOrder?: number[]) => void
+  toggleShuffle: () => Promise<void>
 
   repeatMode: RepeatMode
-  setRepeatMode: (repeatMode: RepeatMode) => void
+  toggleRepeatMode: () => Promise<void>
 
   playerState: State
   setPlayerState: (playerState: State) => void
@@ -45,7 +45,14 @@ export type TrackPlayerSlice = {
   setCurrentTrackIdx: (idx?: number) => void
 
   queue: TrackExt[]
-  setQueue: (queue: TrackExt[]) => void
+  setQueue: (
+    songs: Song[],
+    name: string,
+    contextType: QueueContextType,
+    contextId: string,
+    playTrack?: number,
+    shuffle?: boolean,
+  ) => Promise<void>
 
   progress: Progress
   setProgress: (progress: Progress) => void
@@ -57,7 +64,7 @@ export type TrackPlayerSlice = {
 
   rebuildQueue: () => Promise<void>
   buildStreamUri: (id: string) => string
-  reset: () => void
+  resetTrackPlayerState: () => void
 }
 
 export const selectTrackPlayer = {
@@ -71,11 +78,11 @@ export const selectTrackPlayer = {
   setQueueContextId: (store: TrackPlayerSlice) => store.setQueueContextId,
 
   shuffleOrder: (store: TrackPlayerSlice) => store.shuffleOrder,
-  setShuffleOrder: (store: TrackPlayerSlice) => store.setShuffleOrder,
   shuffled: (store: TrackPlayerSlice) => !!store.shuffleOrder,
+  toggleShuffle: (store: TrackPlayerSlice) => store.toggleShuffle,
 
   repeatMode: (store: TrackPlayerSlice) => store.repeatMode,
-  setRepeatMode: (store: TrackPlayerSlice) => store.setRepeatMode,
+  toggleRepeatMode: (store: TrackPlayerSlice) => store.toggleRepeatMode,
 
   playerState: (store: TrackPlayerSlice) => store.playerState,
   setPlayerState: (store: TrackPlayerSlice) => store.setPlayerState,
@@ -95,7 +102,7 @@ export const selectTrackPlayer = {
   setNetState: (store: TrackPlayerSlice) => store.setNetState,
   buildStreamUri: (store: TrackPlayerSlice) => store.buildStreamUri,
 
-  reset: (store: TrackPlayerSlice) => store.reset,
+  resetTrackPlayerState: (store: TrackPlayerSlice) => store.resetTrackPlayerState,
 }
 
 export const trackPlayerCommands = new PromiseQueue(1)
@@ -111,10 +118,66 @@ export const createTrackPlayerSlice = (set: SetState<Store>, get: GetState<Store
   setQueueContextId: queueContextId => set({ queueContextId }),
 
   shuffleOrder: undefined,
-  setShuffleOrder: shuffleOrder => set({ shuffleOrder }),
+  toggleShuffle: async () => {
+    return trackPlayerCommands.enqueue(async () => {
+      const queue = await getQueue()
+      const current = await getCurrentTrack()
+      const queueShuffleOrder = get().shuffleOrder
+
+      await TrackPlayer.remove(queue.map((_t, i) => i).filter(i => i !== current))
+
+      if (queueShuffleOrder === undefined) {
+        let { tracks, shuffleOrder } = shuffleTracks(queue, current)
+        if (tracks.length > 0) {
+          tracks = tracks.slice(1)
+        }
+
+        await TrackPlayer.add(tracks)
+        set({ shuffleOrder })
+      } else {
+        const tracks = unshuffleTracks(queue, queueShuffleOrder)
+
+        if (current !== undefined) {
+          const shuffledCurrent = queueShuffleOrder[current]
+          const tracks1 = tracks.slice(0, shuffledCurrent)
+          const tracks2 = tracks.slice(shuffledCurrent + 1)
+
+          await TrackPlayer.add(tracks2)
+          await TrackPlayer.add(tracks1, 0)
+        } else {
+          await TrackPlayer.add(tracks)
+        }
+
+        set({ shuffleOrder: undefined })
+      }
+
+      set({ queue: await getQueue() })
+      get().setCurrentTrackIdx(await getCurrentTrack())
+    })
+  },
 
   repeatMode: RepeatMode.Off,
-  setRepeatMode: repeatMode => set({ repeatMode }),
+  toggleRepeatMode: async () => {
+    return trackPlayerCommands.enqueue(async () => {
+      const repeatMode = await getRepeatMode()
+      let nextMode = RepeatMode.Off
+
+      switch (repeatMode) {
+        case RepeatMode.Off:
+          nextMode = RepeatMode.Queue
+          break
+        case RepeatMode.Queue:
+          nextMode = RepeatMode.Track
+          break
+        default:
+          nextMode = RepeatMode.Off
+          break
+      }
+
+      await TrackPlayer.setRepeatMode(nextMode)
+      set({ repeatMode: nextMode })
+    })
+  },
 
   playerState: State.None,
   setPlayerState: playerState => set({ playerState }),
@@ -131,7 +194,64 @@ export const createTrackPlayerSlice = (set: SetState<Store>, get: GetState<Store
   },
 
   queue: [],
-  setQueue: queue => set({ queue }),
+  setQueue: async (songs, name, contextType, contextId, playTrack, shuffle) => {
+    return trackPlayerCommands.enqueue(async () => {
+      const shuffled = shuffle !== undefined ? shuffle : !!get().shuffleOrder
+
+      await TrackPlayer.setupPlayer()
+      await TrackPlayer.reset()
+
+      if (songs.length === 0) {
+        return
+      }
+
+      let queue = await get().mapSongstoTrackExts(songs)
+
+      try {
+        for (const t of queue) {
+          t.url = get().buildStreamUri(t.id)
+        }
+      } catch {
+        return
+      }
+
+      if (shuffled) {
+        const { tracks, shuffleOrder } = shuffleTracks(queue, playTrack)
+        set({ shuffleOrder })
+        queue = tracks
+        playTrack = 0
+      } else {
+        set({ shuffleOrder: undefined })
+      }
+
+      playTrack = playTrack || 0
+
+      try {
+        set({
+          queue,
+          queueName: name,
+          queueContextType: contextType,
+          queueContextId: contextId,
+        })
+        get().setCurrentTrackIdx(playTrack)
+
+        if (playTrack === 0) {
+          await TrackPlayer.add(queue)
+        } else {
+          const tracks1 = queue.slice(0, playTrack)
+          const tracks2 = queue.slice(playTrack)
+
+          await TrackPlayer.add(tracks2)
+          await TrackPlayer.add(tracks1, 0)
+        }
+
+        await TrackPlayer.play()
+      } catch {
+        get().resetTrackPlayerState()
+        await TrackPlayer.reset()
+      }
+    })
+  },
 
   progress: { position: 0, duration: 0, buffered: 0 },
   setProgress: progress => set({ progress }),
@@ -194,10 +314,13 @@ export const createTrackPlayerSlice = (set: SetState<Store>, get: GetState<Store
       get().setCurrentTrackIdx(currentTrack)
 
       await TrackPlayer.add(queue)
+
       if (currentTrack) {
         await TrackPlayer.skip(currentTrack)
       }
+
       await TrackPlayer.seekTo(position)
+
       if (state === State.Playing) {
         await TrackPlayer.play()
       }
@@ -217,7 +340,7 @@ export const createTrackPlayerSlice = (set: SetState<Store>, get: GetState<Store
     })
   },
 
-  reset: () => {
+  resetTrackPlayerState: () => {
     set({
       queueName: undefined,
       queueContextType: undefined,
@@ -249,3 +372,34 @@ export const getPlayerState = async (): Promise<State> => {
 export const getRepeatMode = async (): Promise<RepeatMode> => {
   return (await TrackPlayer.getRepeatMode()) || RepeatMode.Off
 }
+
+function shuffleTracks(tracks: TrackExt[], firstTrack?: number) {
+  if (tracks.length === 0) {
+    return { tracks, shuffleOrder: [] }
+  }
+
+  const trackIndexes = tracks.map((_t, i) => i)
+  let shuffleOrder: number[] = []
+
+  for (let i = trackIndexes.length; i--; i > 0) {
+    const randi = Math.floor(Math.random() * (i + 1))
+    shuffleOrder.push(trackIndexes.splice(randi, 1)[0])
+  }
+
+  if (firstTrack !== undefined) {
+    shuffleOrder.splice(shuffleOrder.indexOf(firstTrack), 1)
+    shuffleOrder = [firstTrack, ...shuffleOrder]
+  }
+
+  tracks = shuffleOrder.map(i => tracks[i])
+
+  return { tracks, shuffleOrder }
+}
+
+function unshuffleTracks(tracks: TrackExt[], shuffleOrder: number[]): TrackExt[] {
+  if (tracks.length === 0 || shuffleOrder.length === 0) {
+    return tracks
+  }
+
+  return shuffleOrder.map((_v, i) => tracks[shuffleOrder.indexOf(i)])
+}

app/state/trackplayermap.ts

@@ -0,0 +1,50 @@
+import { Song } from '@app/models/music'
+import { GetState, SetState } from 'zustand'
+import { Store } from './store'
+import { TrackExt } from './trackplayer'
+
+export type TrackPlayerMapSlice = {
+  mapSongtoTrackExt: (song: Song) => Promise<TrackExt>
+  mapSongstoTrackExts: (songs: Song[]) => Promise<TrackExt[]>
+  mapTrackExtToSong: (song: TrackExt) => Song
+}
+
+export const selectTrackPlayerMap = {
+  mapTrackExtToSong: (store: TrackPlayerMapSlice) => store.mapTrackExtToSong,
+}
+
+export const createTrackPlayerMapSlice = (set: SetState<Store>, get: GetState<Store>): TrackPlayerMapSlice => ({
+  mapSongtoTrackExt: async song => {
+    return {
+      id: song.id,
+      title: song.title,
+      artist: song.artist || 'Unknown Artist',
+      album: song.album || 'Unknown Album',
+      url: song.streamUri,
+      artwork: song.coverArt ? await get().fetchCoverArtFilePath(song.coverArt) : require('@res/fallback.png'),
+      coverArt: song.coverArt,
+      duration: song.duration,
+      artistId: song.artistId,
+      albumId: song.albumId,
+    }
+  },
+
+  mapSongstoTrackExts: async songs => {
+    return await Promise.all(songs.map(get().mapSongtoTrackExt))
+  },
+
+  mapTrackExtToSong: track => {
+    return {
+      itemType: 'song',
+      id: track.id,
+      title: track.title as string,
+      artist: track.artist,
+      album: track.album,
+      streamUri: track.url as string,
+      coverArt: track.coverArt,
+      duration: track.duration,
+      artistId: track.artistId,
+      albumId: track.albumId,
+    }
+  },
+})