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PlaylistShared.Pwa/Services/Api/SharedPlaylistClient.cs

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+using PlaylistShared.Shared;
+using PlaylistShared.Shared.SharedPlaylist;
+using System.Net.Http.Json;
+
+namespace PlaylistShared.Pwa.Services.Api;
+
+public class SharedPlaylistClient
+{
+    private readonly HttpClient _http;
+
+    public SharedPlaylistClient(HttpClient http)
+    {
+        _http = http;
+    }
+
+    /// <summary>
+    /// GET /api/sharedplaylist/{token}
+    /// </summary>
+    public async Task<ApiResponse<SharedPlaylistDto>> GetAsync(string token)
+    {
+        var response = await _http.GetFromJsonAsync<ApiResponse<SharedPlaylistDto>>($"/api/sharedplaylist/{token}");
+        return response ?? ApiResponse<SharedPlaylistDto>.Fail(new ErrorResponse { Message = "Invalid response" });
+    }
+
+    /// <summary>
+    /// GET /api/sharedplaylist/{token}/tracks
+    /// </summary>
+    public async Task<ApiResponse<YandexPlaylistData>> GetTracksAsync(string token)
+    {
+        var response = await _http.GetFromJsonAsync<ApiResponse<YandexPlaylistData>>($"/api/sharedplaylist/{token}/tracks");
+        return response ?? ApiResponse<YandexPlaylistData>.Fail(new ErrorResponse { Message = "Invalid response" });
+    }
+
+    /// <summary>
+    /// PUT /api/sharedplaylist/{token}/permissions
+    /// </summary>
+    public async Task<ApiResponse<SharedPlaylistDto>> UpdatePermissionsAsync(string token, UpdatePermissionsDto permissions)
+    {
+        var response = await _http.PutAsJsonAsync($"/api/sharedplaylist/{token}/permissions", permissions);
+        if (response.IsSuccessStatusCode)
+        {
+            var result = await response.Content.ReadFromJsonAsync<ApiResponse<SharedPlaylistDto>>();
+            return result ?? ApiResponse<SharedPlaylistDto>.Fail(new ErrorResponse { Message = "Invalid response" });
+        }
+        else
+        {
+            var error = await response.Content.ReadFromJsonAsync<ApiResponse<SharedPlaylistDto>>();
+            return error ?? ApiResponse<SharedPlaylistDto>.Fail(new ErrorResponse
+            {
+                StatusCode = (int)response.StatusCode,
+                Message = response.ReasonPhrase ?? "Unknown error"
+            });
+        }
+    }
+
+    /// <summary>
+    /// POST /api/sharedplaylist/{token}/add-tracks
+    /// </summary>
+    public async Task<ApiResponse<object>> AddTracksAsync(string token, List<string> trackIds)
+    {
+        var request = new UpdateTrackListRequest { TrackIds = trackIds };
+        var response = await _http.PostAsJsonAsync($"/api/sharedplaylist/{token}/add-tracks", request);
+        if (response.IsSuccessStatusCode)
+        {
+            var result = await response.Content.ReadFromJsonAsync<ApiResponse<object>>();
+            return result ?? ApiResponse<object>.Fail(new ErrorResponse { Message = "Invalid response" });
+        }
+        else
+        {
+            var error = await response.Content.ReadFromJsonAsync<ApiResponse<object>>();
+            return error ?? ApiResponse<object>.Fail(new ErrorResponse
+            {
+                StatusCode = (int)response.StatusCode,
+                Message = response.ReasonPhrase ?? "Unknown error"
+            });
+        }
+    }
+
+    /// <summary>
+    /// POST /api/sharedplaylist/{token}/remove-tracks
+    /// </summary>
+    public async Task<ApiResponse<object>> RemoveTracksAsync(string token, List<string> trackIds)
+    {
+        var request = new UpdateTrackListRequest { TrackIds = trackIds };
+        var response = await _http.PostAsJsonAsync($"/api/sharedplaylist/{token}/remove-tracks", request);
+        if (response.IsSuccessStatusCode)
+        {
+            var result = await response.Content.ReadFromJsonAsync<ApiResponse<object>>();
+            return result ?? ApiResponse<object>.Fail(new ErrorResponse { Message = "Invalid response" });
+        }
+        else
+        {
+            var error = await response.Content.ReadFromJsonAsync<ApiResponse<object>>();
+            return error ?? ApiResponse<object>.Fail(new ErrorResponse
+            {
+                StatusCode = (int)response.StatusCode,
+                Message = response.ReasonPhrase ?? "Unknown error"
+            });
+        }
+    }
+}