Добавлен стандартный "поделиться ПЛ"

PlaylistShared.Pwa/Pages/SharedPlaylistView.razor

@@ -16,6 +16,8 @@
 @inject AuthenticationStateProvider AuthProvider
 @inject IDialogService DialogService
 @inject IAudioPlayerService AudioPlayerService
+@inject IJSRuntime JS
+@inject IDialogService DialogService
 @implements IDisposable
 
 <MudContainer MaxWidth="MaxWidth.ExtraLarge" Class="py-1 px-1" Style="height: 100%;">
@@ -32,18 +34,23 @@
                                 <CardHeaderContent>
                                     @PlaylistCardHeaderContent
                                 </CardHeaderContent>
+
                                 <CardHeaderActions>
                                     <MudIconButton Icon="@(_isFavorite? Icons.Material.Filled.Star : Icons.Material.Outlined.StarBorder)"
                                                 Color="Color.Warning" 
                                                 OnClick="ToggleFavorite" 
                                                 Disabled="_favoriteLoading" 
                                                 Size="Size.Medium" />
+
+                                    <MudIconButton Icon="@Icons.Material.Filled.Share"
+                                                OnClick="SharePlaylist" 
+                                                Size="Size.Medium" />
                                     
                                     @if (_isCreator && _isAuthenticated)
                                     {
                                         <MudIconButton Icon="@Icons.Material.Filled.Settings" OnClick="OpenPermissionsDialog" Size="Size.Medium" />
                                     }
-                                    <MudIconButton Icon="@Icons.Material.Filled.Refresh" OnClick="LoadTracks" Disabled="@_tracksLoading" />
+                                    <MudIconButton Icon="@Icons.Material.Filled.Refresh" OnClick="LoadTracks" Disabled="@_tracksLoading" Size="Size.Medium" />
                                 </CardHeaderActions>
                             </MudCardHeader>
 
@@ -116,7 +123,10 @@
                                         OnClick="ToggleFavorite"
                                         Disabled="@_favoriteLoading"
                                         />
-
+                                        
+                                    <MudMenuItem Icon="@Icons.Material.Filled.Share" 
+                                                 OnClick="SharePlaylist" 
+                                                 Label="Поделиться" />
                                     @if (_isCreator && _isAuthenticated)
                                     {
                                     <MudMenuItem Icon="@Icons.Material.Filled.Settings" 
@@ -405,6 +415,12 @@
     private bool _isFavorite;
     /// <summary>Загрузка признака "фаворит".</summary>
     private bool _favoriteLoading;
+    
+    /********************************
+     * Поделиться ссылкой
+    *********************************/    
+    private IJSObjectReference? _shareModule;
+    private bool _isWebShareSupported = false;
 
     protected override async Task OnInitializedAsync()
     {
@@ -417,6 +433,18 @@
         AudioPlayerService.OnEndedTrack += OnPlayerStateChanged;
     }
 
+    protected override async Task OnAfterRenderAsync(bool firstRender)
+    {
+        if (firstRender)
+        {
+            // Загружаем JS-модуль
+            _shareModule = await JS.InvokeAsync<IJSObjectReference>("import", "/js/shareUtils.js");
+            // Проверяем поддержку Web Share API
+            _isWebShareSupported = await _shareModule.InvokeAsync<bool>("isSupported");
+            StateHasChanged();
+        }
+    }
+
     private void OnPlayerStateChanged()
     {
         InvokeAsync(StateHasChanged);
@@ -803,9 +831,58 @@
     }
     #endregion
 
+    #region Поделитьсы ссылкой
+    /// <summary> Поделиться ссылкой </summary>
+    private async Task SharePlaylist()
+    {
+        if (_shareModule == null) return;
+
+        var shareUrl = Navigation.Uri;
+        var shareTitle = "🎵 Поделиться плейлистом";
+        var shareText = _playlist?.Title != null 
+            ? $"Послушайте плейлист '{_playlist.Title}'!" 
+            : "Послушайте этот плейлист!";
+
+        if (_isWebShareSupported)
+        {
+            var result = await _shareModule.InvokeAsync<ShareResult>("shareLink", shareTitle, shareText, shareUrl);
+            if (result?.Success == false && !string.IsNullOrEmpty(result.Error) && !result.Cancelled)
+            {
+                Snackbar.Add($"Не удалось поделиться: {result.Error}", Severity.Warning);
+                await ShowShareDialog(shareUrl);
+            }
+        }
+        else
+        {
+            await ShowShareDialog(shareUrl);
+        }
+    }
+    
+    /// <summary> Модальное окно, чтобы поделиться ссылкой </summary>
+    private async Task ShowShareDialog(string url)
+    {
+        var parameters = new DialogParameters<ShareDialog>
+        {
+            { x => x.ShareUrl, url }
+        };
+        var options = new DialogOptions { CloseButton = true, MaxWidth = MaxWidth.Small, FullWidth = true };
+        await DialogService.ShowAsync<ShareDialog>("Поделиться", parameters, options);
+    }
+
+    // Вспомогательный класс для результата
+    private class ShareResult
+    {
+        public bool Success { get; set; }
+        public string? Error { get; set; }
+        public bool Cancelled { get; set; }
+    }
+    #endregion
+
     public void Dispose()
     {
         AudioPlayerService.OnStartedTrack -= OnPlayerStateChanged;
         AudioPlayerService.OnEndedTrack -= OnPlayerStateChanged;
+        
+        _shareModule?.DisposeAsync();
     }
 }