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Co-authored-by: JD Francis <jd@audius.co>
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118 changes: 118 additions & 0 deletions
118
packages/web/src/pages/sign-up-page/utils/selectArtistsPreviewContext.tsx
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,118 @@ | ||
| import { createContext, useCallback, useEffect, useState } from 'react' | ||
|
|
||
| import { | ||
| ID, | ||
| encodeHashId, | ||
| useGetUserById, | ||
| useGetUserTracksByHandle | ||
| } from '@audius/common' | ||
| import { useUnmount } from 'react-use' | ||
|
|
||
| import { audioPlayer } from 'services/audio-player' | ||
| import { apiClient } from 'services/audius-api-client' | ||
|
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| type PreviewContextProps = { | ||
| isPlaying: boolean | ||
| nowPlayingArtistId: number | ||
| playPreview: (artistId: ID) => void | ||
| stopPreview: () => void | ||
| togglePreview: (artistId: ID) => void | ||
| } | ||
|
|
||
| export const SelectArtistsPreviewContext = createContext<PreviewContextProps>({ | ||
| isPlaying: false, | ||
| nowPlayingArtistId: -1, | ||
| playPreview: () => {}, | ||
| stopPreview: () => {}, | ||
| togglePreview: () => {} | ||
| }) | ||
|
|
||
| export const SelectArtistsPreviewContextProvider = (props: { | ||
| children: JSX.Element | ||
| }) => { | ||
| const [isPlaying, setIsPlaying] = useState(false) | ||
| const [nowPlayingArtistId, setNowPlayingArtistId] = useState<number>(-1) | ||
| const [trackId, setTrackId] = useState<string | null>(null) | ||
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|
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| const { data: artist } = useGetUserById({ | ||
| id: nowPlayingArtistId, | ||
| currentUserId: null | ||
| }) | ||
| const { data: artistTracks } = useGetUserTracksByHandle( | ||
| { | ||
| handle: artist?.handle, | ||
| currentUserId: null | ||
| }, | ||
| { disabled: !artist?.handle } | ||
| ) | ||
|
|
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| useEffect(() => { | ||
| const trackId = artistTracks?.find((track) => track.is_available)?.track_id | ||
| trackId && setTrackId(encodeHashId(trackId)) | ||
| }, [artistTracks]) | ||
|
|
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| const togglePlayback = useCallback(() => { | ||
| if (audioPlayer.isPlaying()) { | ||
| audioPlayer.pause() | ||
| setIsPlaying(false) | ||
| } else { | ||
| audioPlayer.play() | ||
| setIsPlaying(true) | ||
| } | ||
| }, []) | ||
|
|
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| const stopPreview = useCallback(() => { | ||
| audioPlayer.stop() | ||
| setNowPlayingArtistId(-1) | ||
| setTrackId(null) | ||
| setIsPlaying(false) | ||
| }, []) | ||
|
|
||
| const playPreview = useCallback((artistId: ID) => { | ||
| if (audioPlayer.isPlaying()) { | ||
| audioPlayer.stop() | ||
| } | ||
| setNowPlayingArtistId(artistId) | ||
| setIsPlaying(true) | ||
| }, []) | ||
|
|
||
| const togglePreview = useCallback( | ||
| (artistId: ID) => { | ||
| if (artistId === nowPlayingArtistId) { | ||
| togglePlayback() | ||
| } else { | ||
| audioPlayer.stop() | ||
| setIsPlaying(false) | ||
| setNowPlayingArtistId(artistId) | ||
| } | ||
| }, | ||
| [nowPlayingArtistId, togglePlayback] | ||
| ) | ||
|
|
||
| useEffect(() => { | ||
| if (!trackId) return | ||
| audioPlayer.load( | ||
| 0, | ||
| stopPreview, | ||
| apiClient.makeUrl(`/tracks/${trackId}/stream`) | ||
| ) | ||
| audioPlayer.play() | ||
| setIsPlaying(true) | ||
| }, [nowPlayingArtistId, stopPreview, trackId]) | ||
|
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| useUnmount(stopPreview) | ||
|
|
||
| return ( | ||
| <SelectArtistsPreviewContext.Provider | ||
| value={{ | ||
| isPlaying, | ||
| nowPlayingArtistId, | ||
| playPreview, | ||
| stopPreview, | ||
| togglePreview | ||
| }} | ||
| > | ||
| {props.children} | ||
| </SelectArtistsPreviewContext.Provider> | ||
| ) | ||
| } |