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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,79 @@ | ||
| // | ||
| // MusicSession.swift | ||
| // Segno | ||
| // | ||
| // Created by Gordon Choi on 2022/12/01. | ||
| // | ||
|
|
||
| import MusicKit | ||
|
|
||
| final class MusicSession { | ||
| private var songInfo: SongInfo? | ||
| private var song: Song? | ||
|
|
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| private lazy var player = ApplicationMusicPlayer.shared | ||
| private lazy var playerState = player.state | ||
|
|
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| private var isPlaying: Bool { | ||
| return playerState.playbackStatus == .playing | ||
| } | ||
|
|
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| private let request: MusicCatalogSearchRequest = { | ||
| var request = MusicCatalogSearchRequest(term: "Happy", types: [Song.self]) | ||
| request.limit = 1 | ||
| return request | ||
| }() | ||
|
|
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| func fetchMusic(term: SongInfo?) { | ||
| guard let term else { return } | ||
|
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| Task { | ||
| let status = await MusicAuthorization.request() | ||
| switch status { | ||
| case .authorized: | ||
| do { | ||
| let request = MusicCatalogResourceRequest<Song>(matching: \.isrc, equalTo: term.isrc) | ||
| let response = try await request.response() | ||
| if let item = response.items.first { | ||
| song = item | ||
| songInfo = SongInfo(isrc: item.isrc!, title: item.title, artist: item.artistName, album: item.albumTitle) | ||
| } | ||
|
|
||
| print(songInfo ?? "NO SONG") | ||
| } catch (let error) { | ||
| print(error.localizedDescription) | ||
| } | ||
| default: | ||
| debugPrint("no") | ||
| } | ||
| } | ||
| } | ||
|
|
||
| // 음악을 재생하는 함수 | ||
| func playMusic() { | ||
| guard let song else { return } | ||
| if !isPlaying { | ||
| player.queue = [song] | ||
|
|
||
| Task { | ||
| do { | ||
| try await player.play() | ||
| } catch let error { | ||
| print(error.localizedDescription) | ||
| } | ||
| } | ||
| } else { | ||
| player.pause() | ||
| } | ||
|
|
||
| // 뷰 컨트롤러를 나갈 때 큐를 비워 준다. | ||
| // 뮤직세션, 샤잠세션은 싱글턴 인스턴스로 만들어 주는 것이 좋겠다. | ||
| } | ||
| } | ||
|
|
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| struct SongInfo { | ||
| let isrc: String | ||
| let title: String | ||
| let artist: String | ||
| let album: String? | ||
| } |