Fix dailySnapshot for platformsummary

src/Managing.Api/Controllers/DataController.cs

@@ -1,5 +1,4 @@
-using Managing.Api.Extensions;
-using Managing.Api.Models.Requests;
+using Managing.Api.Models.Requests;
 using Managing.Api.Models.Responses;
 using Managing.Application.Abstractions.Grains;
 using Managing.Application.Abstractions.Services;
@@ -15,6 +14,7 @@ using MediatR;
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Mvc;
 using static Managing.Common.Enums;
+using DailySnapshot = Managing.Api.Models.Responses.DailySnapshot;
 
 namespace Managing.Api.Controllers;
 
@@ -563,10 +563,10 @@ public class DataController : ControllerBase
             var platformSummaryGrain = _grainFactory.GetGrain<IPlatformSummaryGrain>("platform-summary");
 
             // Get the platform summary from the grain (handles caching and real-time updates)
-            var abstractionsSummary = await platformSummaryGrain.GetPlatformSummaryAsync();
+            var state = await platformSummaryGrain.GetPlatformSummaryAsync();
 
-            // Convert to API ViewModel
-            var summary = abstractionsSummary.ToApiViewModel();
+            // Map the state to the view model
+            var summary = MapPlatformSummaryStateToViewModel(state);
 
             return Ok(summary);
         }
@@ -778,4 +778,49 @@ public class DataController : ControllerBase
 
         return scenario;
     }
+
+    /// <summary>
+    /// Maps PlatformSummaryGrainState to PlatformSummaryViewModel
+    /// </summary>
+    /// <param name="state">The platform summary grain state</param>
+    /// <returns>A mapped platform summary view model</returns>
+    private PlatformSummaryViewModel MapPlatformSummaryStateToViewModel(PlatformSummaryGrainState state)
+    {
+        return new PlatformSummaryViewModel
+        {
+            // Metadata
+            LastUpdated = state.LastUpdated,
+            LastSnapshot = state.LastSnapshot,
+            HasPendingChanges = state.HasPendingChanges,
+
+            // Current metrics
+            TotalAgents = state.TotalAgents,
+            TotalActiveStrategies = state.TotalActiveStrategies,
+            TotalPlatformPnL = state.TotalPlatformPnL,
+            TotalPlatformVolume = state.TotalPlatformVolume,
+            OpenInterest = state.OpenInterest,
+            TotalPositionCount = state.TotalPositionCount,
+            TotalPlatformFees = state.TotalPlatformFees,
+
+            // Historical snapshots
+            DailySnapshots = state.DailySnapshots
+                .OrderBy(s => s.Date)
+                .Select(s => new DailySnapshot
+                {
+                    Date = s.Date,
+                    TotalAgents = s.TotalAgents,
+                    TotalStrategies = s.TotalStrategies,
+                    TotalVolume = s.TotalVolume,
+                    TotalPnL = s.TotalPnL,
+                    TotalOpenInterest = s.TotalOpenInterest,
+                    TotalPositionCount = s.TotalPositionCount
+                })
+                .ToList(),
+
+            // Breakdowns
+            VolumeByAsset = state.VolumeByAsset ?? new Dictionary<Ticker, decimal>(),
+            PositionCountByAsset = state.PositionCountByAsset ?? new Dictionary<Ticker, int>(),
+            PositionCountByDirection = state.PositionCountByDirection ?? new Dictionary<TradeDirection, int>()
+        };
+    }
 }