UnitSystem inplementation started, Calculation started

Windows/MainWindow/MainModel.cs

@@ -1,7 +1,30 @@
-namespace StructureHelper.Windows.MainWindow
+using LoaderCalculator.Data.Matrix;
+using StructureHelper.Services;
+using StructureHelper.UnitSystem;
+using StructureHelperLogics.Services;
+using System.Linq;
+
+namespace StructureHelper.Windows.MainWindow
 {
     public class MainModel
     {
-
+        private IPrimitiveRepository primitiveRepository;
+        private CalculationService calculationService;
+        private UnitSystemService unitSystemService;
+        
+        public MainModel(IPrimitiveRepository primitiveRepository, CalculationService calculationService, UnitSystemService unitSystemService)
+        {
+            this.primitiveRepository = primitiveRepository;
+            this.calculationService = calculationService;
+            this.unitSystemService = unitSystemService;
+        }
+        
+        public IStrainMatrix Calculate(double mx, double my, double nz)
+        {
+            var unitSystem = unitSystemService.GetCurrentSystem();
+            return calculationService.GetPrimitiveStrainMatrix(primitiveRepository.GetPoints()
+                .Select(x => x.GetNdmPrimitive(unitSystem))
+                .Concat(primitiveRepository.GetRectangles().Select(x => x.GetNdmPrimitive(unitSystem))).ToArray(), mx, my, nz);
+        }
     }
 }