Update the position count and initiator

src/Managing.Infrastructure.Database/PostgreSql/PostgreSqlTradingRepository.cs

@@ -397,6 +397,22 @@ public class PostgreSqlTradingRepository : ITradingRepository
         }
     }
 
+    public async Task<IEnumerable<Position>> GetPositionsByInitiatorIdentifierAsync(Guid initiatorIdentifier)
+    {
+        var positions = await _context.Positions
+            .AsNoTracking()
+            .Include(p => p.User)
+            .Include(p => p.OpenTrade)
+            .Include(p => p.StopLossTrade)
+            .Include(p => p.TakeProfit1Trade)
+            .Include(p => p.TakeProfit2Trade)
+            .Where(p => p.InitiatorIdentifier == initiatorIdentifier)
+            .ToListAsync()
+            .ConfigureAwait(false);
+
+        return PostgreSqlMappers.Map(positions);
+    }
+
     public async Task<IEnumerable<Position>> GetAllPositionsAsync()
     {
         var positions = await _context.Positions