Вынесен глобальный плеер

2026-04-14 18:59:00 +03:00
parent 65efb9ff76
commit e0fca7e55e
10 changed files with 379 additions and 191 deletions
--- a/PlaylistShared.Pwa/Services/AudioPlayerService.cs
+++ b/PlaylistShared.Pwa/Services/AudioPlayerService.cs
@@ -0,0 +1,136 @@
+using MudBlazor;
+
+namespace PlaylistShared.Pwa.Services;
+
+public class AudioPlayerService : IAudioPlayerService
+{
+    private readonly TokenStorage _tokenStorage;
+    private readonly ISnackbar _snackbar;
+
+    private string? _currentTrackId;
+    private bool _isPlaying;
+    private double _currentVolume = 70;
+    private double _currentProgress;
+    private string _currentTime = "0:00";
+    private string _totalTime = "0:00";
+
+    public string? CurrentTrackId => _currentTrackId;
+    public bool IsPlaying => _isPlaying;
+    public double CurrentVolume
+    {
+        get => _currentVolume;
+        set
+        {
+            _currentVolume = value;
+            OnStateChanged?.Invoke();
+        }
+    }
+    public double CurrentProgress => _currentProgress;
+    public string CurrentTime => _currentTime;
+    public string TotalTime => _totalTime;
+
+    public event Action? OnStateChanged;
+
+    public AudioPlayerService(TokenStorage tokenStorage, ISnackbar snackbar)
+    {
+        _tokenStorage = tokenStorage;
+        _snackbar = snackbar;
+    }
+
+    // Внешние команды (вызываются из компонентов)
+    public async Task LoadAndPlayAsync(string trackId, string? accessToken = null, string? sharedPlaylistId = null)
+    {
+        // Если accessToken не передан, пытаемся получить его из хранилища
+        if (string.IsNullOrWhiteSpace(accessToken))
+        {
+            var tokens = await _tokenStorage.GetTokensAsync();
+            accessToken = tokens.token;
+        }
+
+        // Проверяем, есть ли чем авторизоваться
+        if (string.IsNullOrWhiteSpace(accessToken) && string.IsNullOrWhiteSpace(sharedPlaylistId))
+        {
+            _snackbar.Add("Не удалось воспроизвести трек: отсутствует токен авторизации или идентификатор расшаренного плейлиста.", Severity.Error);
+            return;
+        }
+
+        _currentTrackId = trackId;
+        _isPlaying = true;
+        OnStateChanged?.Invoke();
+        OnLoadAndPlayRequested?.Invoke(trackId, accessToken, sharedPlaylistId);
+    }
+
+    public async Task PlayAsync()
+    {
+        _isPlaying = true;
+        OnStateChanged?.Invoke();
+        OnPlayRequested?.Invoke();
+    }
+
+    public async Task PauseAsync()
+    {
+        _isPlaying = false;
+        OnStateChanged?.Invoke();
+        OnPauseRequested?.Invoke();
+    }
+
+    public async Task StopAsync()
+    {
+        _isPlaying = false;
+        _currentTrackId = null;
+        _currentProgress = 0;
+        _currentTime = "0:00";
+        OnStateChanged?.Invoke();
+        OnStopRequested?.Invoke();
+    }
+
+    public async Task SeekToAsync(double percent)
+    {
+        OnSeekRequested?.Invoke(percent);
+    }
+
+    public async Task SetVolumeAsync(double volume)
+    {
+        _currentVolume = volume;
+        OnStateChanged?.Invoke();
+        OnVolumeChangeRequested?.Invoke(volume);
+    }
+
+    // События для связи с реальным AudioPlayer компонентом
+    public event Func<string, string?, string?, Task>? OnLoadAndPlayRequested;
+    public event Func<Task>? OnPlayRequested;
+    public event Func<Task>? OnPauseRequested;
+    public event Func<Task>? OnStopRequested;
+    public event Func<double, Task>? OnSeekRequested;
+    public event Func<double, Task>? OnVolumeChangeRequested;
+
+    // Внутренние методы для обновления состояния из AudioPlayer
+    public void SetPlayingState(bool isPlaying)
+    {
+        _isPlaying = isPlaying;
+        OnStateChanged?.Invoke();
+    }
+
+    public void SetCurrentTrack(string? trackId)
+    {
+        _currentTrackId = trackId;
+        OnStateChanged?.Invoke();
+    }
+
+    public void UpdateProgress(double progress, string currentTime, string totalTime)
+    {
+        _currentProgress = progress;
+        _currentTime = currentTime;
+        _totalTime = totalTime;
+        OnStateChanged?.Invoke();
+    }
+
+    public void NotifyTrackEnded()
+    {
+        _isPlaying = false;
+        _currentTrackId = null;
+        _currentProgress = 0;
+        _currentTime = "0:00";
+        OnStateChanged?.Invoke();
+    }
+}