Добавили новые классы в Contracts.

BlacksmithWorkshop/BlacksmithWorkshopContracts/BindingModels/ReportBindingModel.cs

@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace BlacksmithWorkshopContracts.BindingModels
+{
+    public class ReportBindingModel
+    {
+        public string FileName { get; set; } = string.Empty;
+
+        public DateTime? DateFrom { get; set; }
+
+        public DateTime? DateTo { get; set;}
+    }
+}

BlacksmithWorkshop/BlacksmithWorkshopContracts/SearchModels/OrderSearchModel.cs

@@ -11,6 +11,10 @@ namespace BlacksmithWorkshopContracts.SearchModels
     {
         //для поиска по идентификатору
         public int? Id { get; set; }
-    }
 
+        //два поля для возможности производить выборку
+        public DateTime? DateFrom { get; set; }
+
+        public DateTime? DateTo { get; set; }
+    }
 }

BlacksmithWorkshop/BlacksmithWorkshopContracts/ViewModels/ReportManufactureWorkPieceViewModel.cs

@@ -0,0 +1,18 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace BlacksmithWorkshopContracts.ViewModels
+{
+    public class ReportManufactureWorkPieceViewModel
+    {
+        public string WorkPieceName { get; set; } = string.Empty;
+
+        public int TotalCount { get; set; }
+
+        //список кортежей
+        public List<(string Manufacure, int Count)> Manufactures { get; set; } = new();
+    }
+}

BlacksmithWorkshop/BlacksmithWorkshopContracts/ViewModels/ReportOrdersViewModel.cs

@@ -0,0 +1,19 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace BlacksmithWorkshopContracts.ViewModels
+{
+    public class ReportOrdersViewModel
+    {
+        public int Id { get; set; }
+
+        public DateTime DateCreate { get; set; }
+
+        public string ProductName { get; set; } = string.Empty;
+
+        public double Sum { get; set; }
+    }
+}