update pagination

src/Managing.Api/Controllers/BacktestController.cs

@@ -141,13 +141,17 @@ public class BacktestController : BaseController
     /// <param name="requestId">The request ID to filter backtests by.</param>
     /// <param name="page">Page number (defaults to 1)</param>
     /// <param name="pageSize">Number of items per page (defaults to 50, max 100)</param>
+    /// <param name="sortBy">Field to sort by (defaults to "score")</param>
+    /// <param name="sortOrder">Sort order - "asc" or "desc" (defaults to "desc")</param>
     /// <returns>A paginated list of backtests associated with the specified request ID.</returns>
     [HttpGet]
     [Route("ByRequestId/{requestId}/Paginated")]
     public async Task<ActionResult<PaginatedBacktestsResponse>> GetBacktestsByRequestIdPaginated(
         string requestId, 
         int page = 1, 
-        int pageSize = 50)
+        int pageSize = 50,
+        string sortBy = "score",
+        string sortOrder = "desc")
     {
         if (string.IsNullOrEmpty(requestId))
         {
@@ -164,7 +168,12 @@ public class BacktestController : BaseController
             return BadRequest("Page size must be between 1 and 100");
         }
 
-        var (backtests, totalCount) = _backtester.GetBacktestsByRequestIdPaginated(requestId, page, pageSize);
+        if (sortOrder != "asc" && sortOrder != "desc")
+        {
+            return BadRequest("Sort order must be 'asc' or 'desc'");
+        }
+
+        var (backtests, totalCount) = _backtester.GetBacktestsByRequestIdPaginated(requestId, page, pageSize, sortBy, sortOrder);
         
         var totalPages = (int)Math.Ceiling(totalCount / (double)pageSize);
         
@@ -182,6 +191,56 @@ public class BacktestController : BaseController
         return Ok(response);
     }
 
+    /// <summary>
+    /// Retrieves paginated backtests for the authenticated user.
+    /// </summary>
+    /// <param name="page">Page number (defaults to 1)</param>
+    /// <param name="pageSize">Number of items per page (defaults to 50, max 100)</param>
+    /// <param name="sortBy">Field to sort by (defaults to "score")</param>
+    /// <param name="sortOrder">Sort order - "asc" or "desc" (defaults to "desc")</param>
+    /// <returns>A paginated list of backtests for the user.</returns>
+    [HttpGet]
+    [Route("Paginated")]
+    public async Task<ActionResult<PaginatedBacktestsResponse>> GetBacktestsPaginated(
+        int page = 1,
+        int pageSize = 50,
+        string sortBy = "score",
+        string sortOrder = "desc")
+    {
+        var user = await GetUser();
+
+        if (page < 1)
+        {
+            return BadRequest("Page must be greater than 0");
+        }
+
+        if (pageSize < 1 || pageSize > 100)
+        {
+            return BadRequest("Page size must be between 1 and 100");
+        }
+
+        if (sortOrder != "asc" && sortOrder != "desc")
+        {
+            return BadRequest("Sort order must be 'asc' or 'desc'");
+        }
+
+        var (backtests, totalCount) = _backtester.GetBacktestsByUserPaginated(user, page, pageSize, sortBy, sortOrder);
+        var totalPages = (int)Math.Ceiling(totalCount / (double)pageSize);
+
+        var response = new PaginatedBacktestsResponse
+        {
+            Backtests = backtests,
+            TotalCount = totalCount,
+            CurrentPage = page,
+            PageSize = pageSize,
+            TotalPages = totalPages,
+            HasNextPage = page < totalPages,
+            HasPreviousPage = page > 1
+        };
+
+        return Ok(response);
+    }
+
     /// <summary>
     /// Runs a backtest with the specified configuration.
     /// The returned backtest includes a complete TradingBotConfig that preserves all

src/Managing.Api/Models/Requests/PaginatedBacktestsResponse.cs

@@ -0,0 +1,44 @@
+using Managing.Domain.Backtests;
+
+namespace Managing.Api.Models.Requests;
+
+/// <summary>
+/// Response model for paginated backtest results
+/// </summary>
+public class PaginatedBacktestsResponse
+{
+    /// <summary>
+    /// The list of backtests for the current page
+    /// </summary>
+    public IEnumerable<Backtest> Backtests { get; set; } = new List<Backtest>();
+
+    /// <summary>
+    /// Total number of backtests across all pages
+    /// </summary>
+    public int TotalCount { get; set; }
+
+    /// <summary>
+    /// Current page number
+    /// </summary>
+    public int CurrentPage { get; set; }
+
+    /// <summary>
+    /// Number of items per page
+    /// </summary>
+    public int PageSize { get; set; }
+
+    /// <summary>
+    /// Total number of pages
+    /// </summary>
+    public int TotalPages { get; set; }
+
+    /// <summary>
+    /// Whether there are more pages available
+    /// </summary>
+    public bool HasNextPage { get; set; }
+
+    /// <summary>
+    /// Whether there are previous pages available
+    /// </summary>
+    public bool HasPreviousPage { get; set; }
+}