Delete backtest by id and with filters

src/Managing.Api/Controllers/BacktestController.cs

@@ -103,6 +103,18 @@ public class BacktestController : BaseController
         return Ok(_backtester.DeleteBacktestByUser(user, id));
     }
 
+    /// <summary>
+    /// Deletes multiple backtests by their IDs for the authenticated user.
+    /// </summary>
+    /// <param name="request">The request containing the array of backtest IDs to delete.</param>
+    /// <returns>An ActionResult indicating the outcome of the operation.</returns>
+    [HttpDelete("multiple")]
+    public async Task<ActionResult> DeleteBacktests([FromBody] DeleteBacktestsRequest request)
+    {
+        var user = await GetUser();
+        return Ok(_backtester.DeleteBacktestsByIdsForUser(user, request.BacktestIds));
+    }
+
     /// <summary>
     /// Retrieves all backtests for a specific genetic request ID.
     /// This endpoint is used to view the results of a genetic algorithm optimization.

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

@@ -0,0 +1,16 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace Managing.Api.Models.Requests;
+
+/// <summary>
+/// Request model for deleting multiple backtests by their IDs
+/// </summary>
+public class DeleteBacktestsRequest
+{
+    /// <summary>
+    /// Array of backtest IDs to delete
+    /// </summary>
+    [Required]
+    [MinLength(1, ErrorMessage = "At least one backtest ID must be provided")]
+    public string[] BacktestIds { get; set; } = Array.Empty<string>();
+}