diff --git a/ProtRPP/SchoolAgainStudyContracts/BindingModel/ReportBindingModel.cs b/ProtRPP/SchoolAgainStudyContracts/BindingModel/ReportBindingModel.cs
new file mode 100644
index 0000000..f89d3a8
--- /dev/null
+++ b/ProtRPP/SchoolAgainStudyContracts/BindingModel/ReportBindingModel.cs
@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SchoolAgainStudyContracts.BindingModel
+{
+    public class ReportBindingModel
+    {
+        public string FileName { get; set; } = string.Empty;
+
+        public DateTime? DateFrom { get; set; }
+
+        public DateTime? DateTo { get; set; }
+    }
+}
diff --git a/ProtRPP/SchoolAgainStudyContracts/BusinessLogicContracts/IDiyLogic.cs b/ProtRPP/SchoolAgainStudyContracts/BusinessLogicContracts/IDiyLogic.cs
new file mode 100644
index 0000000..a94a29a
--- /dev/null
+++ b/ProtRPP/SchoolAgainStudyContracts/BusinessLogicContracts/IDiyLogic.cs
@@ -0,0 +1,20 @@
+using SchoolAgainStudyContracts.BindingModel;
+using SchoolAgainStudyContracts.SearchModel;
+using SchoolAgainStudyContracts.ViewModel;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SchoolAgainStudyContracts.BusinessLogicContracts
+{
+    public interface IDiyLogic
+    {
+        List<DiyViewModel>? ReadList(DiySearchModel? model);
+        DiyViewModel? ReadElement(DiySearchModel model);
+        bool Create(DiyBindingModel model);
+        bool Update(DiyBindingModel model);
+        bool Delete(DiyBindingModel model);
+    }
+}
diff --git a/ProtRPP/SchoolAgainStudyContracts/BusinessLogicContracts/IInterestLogic.cs b/ProtRPP/SchoolAgainStudyContracts/BusinessLogicContracts/IInterestLogic.cs
new file mode 100644
index 0000000..020d464
--- /dev/null
+++ b/ProtRPP/SchoolAgainStudyContracts/BusinessLogicContracts/IInterestLogic.cs
@@ -0,0 +1,20 @@
+using SchoolAgainStudyContracts.BindingModel;
+using SchoolAgainStudyContracts.SearchModel;
+using SchoolAgainStudyContracts.ViewModel;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SchoolAgainStudyContracts.BusinessLogicContracts
+{
+    public interface IInterestLogic
+    {
+        List<InterestViewModel>? ReadList(InterestSearchModel? model);
+        InterestViewModel? ReadElement(InterestSearchModel model);
+        bool Create(InterestBindingModel model);
+        bool Update(InterestBindingModel model);
+        bool Delete(InterestBindingModel model);
+    }
+}
diff --git a/ProtRPP/SchoolAgainStudyContracts/BusinessLogicContracts/ILessonLogic.cs b/ProtRPP/SchoolAgainStudyContracts/BusinessLogicContracts/ILessonLogic.cs
new file mode 100644
index 0000000..8bef555
--- /dev/null
+++ b/ProtRPP/SchoolAgainStudyContracts/BusinessLogicContracts/ILessonLogic.cs
@@ -0,0 +1,20 @@
+using SchoolAgainStudyContracts.BindingModel;
+using SchoolAgainStudyContracts.SearchModel;
+using SchoolAgainStudyContracts.ViewModel;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SchoolAgainStudyContracts.BusinessLogicContracts
+{
+    public interface ILessonLogic
+    {
+        List<LessonViewModel>? ReadList(LessonSearchModel? model);
+        LessonViewModel? ReadElement(LessonSearchModel model);
+        bool Create(LessonBindingModel model);
+        bool Update(LessonBindingModel model);
+        bool Delete(LessonBindingModel model);
+    }
+}
diff --git a/ProtRPP/SchoolAgainStudyContracts/BusinessLogicContracts/IMaterialLogic.cs b/ProtRPP/SchoolAgainStudyContracts/BusinessLogicContracts/IMaterialLogic.cs
new file mode 100644
index 0000000..dc48e7c
--- /dev/null
+++ b/ProtRPP/SchoolAgainStudyContracts/BusinessLogicContracts/IMaterialLogic.cs
@@ -0,0 +1,20 @@
+using SchoolAgainStudyContracts.BindingModel;
+using SchoolAgainStudyContracts.SearchModel;
+using SchoolAgainStudyContracts.ViewModel;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SchoolAgainStudyContracts.BusinessLogicContracts
+{
+    public interface IMaterialLogic
+    {
+        List<MaterialViewModel>? ReadList(MaterialSearchModel? model);
+        MaterialViewModel? ReadElement(MaterialSearchModel model);
+        bool Create(MaterialBindingModel model);
+        bool Update(MaterialBindingModel model);
+        bool Delete(MaterialBindingModel model);
+    }
+}
diff --git a/ProtRPP/SchoolAgainStudyContracts/BusinessLogicContracts/IProductLogic.cs b/ProtRPP/SchoolAgainStudyContracts/BusinessLogicContracts/IProductLogic.cs
new file mode 100644
index 0000000..8cef927
--- /dev/null
+++ b/ProtRPP/SchoolAgainStudyContracts/BusinessLogicContracts/IProductLogic.cs
@@ -0,0 +1,20 @@
+using SchoolAgainStudyContracts.BindingModel;
+using SchoolAgainStudyContracts.SearchModel;
+using SchoolAgainStudyContracts.ViewModel;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SchoolAgainStudyContracts.BusinessLogicContracts
+{
+    public interface IProductLogic
+    {
+        List<ProductViewModel>? ReadList(ProductSearchModel? model);
+        ProductViewModel? ReadElement(ProductSearchModel model);
+        bool Create(ProductBindingModel model);
+        bool Update(ProductBindingModel model);
+        bool Delete(ProductBindingModel model);
+    }
+}
diff --git a/ProtRPP/SchoolAgainStudyContracts/BusinessLogicContracts/IReportLogic.cs b/ProtRPP/SchoolAgainStudyContracts/BusinessLogicContracts/IReportLogic.cs
new file mode 100644
index 0000000..b39efd9
--- /dev/null
+++ b/ProtRPP/SchoolAgainStudyContracts/BusinessLogicContracts/IReportLogic.cs
@@ -0,0 +1,39 @@
+using SchoolAgainStudyContracts.BindingModel;
+using SchoolAgainStudyContracts.ViewModel;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SchoolAgainStudyContracts.BusinessLogicContracts
+{
+    public interface IReportLogic
+    {
+        List<ReportInterestLessonViewModel> GetInterestLesson();
+
+        
+        List<ReportInterestViewModel> GetOrders(ReportBindingModel model);
+        List<ReportDiyMaterialViewModel> GetDiyMaterial();
+
+
+        List<ReportLessonTaskViewModel> GetLessonTask(ReportBindingModel model);
+
+
+        void SaveInterestLessonToWordFile(ReportBindingModel model);
+
+       
+        void SaveInterestLessonToExcelFile(ReportBindingModel model);
+
+        
+        void SaveInterestsToPdfFile(ReportBindingModel model);
+
+        void SaveDiyMaterialToWordFile(ReportBindingModel model);
+
+
+        void SaveDiyMaterialToExcelFile(ReportBindingModel model);
+
+
+        void SaveLessonTaskToPdfFile(ReportBindingModel model);
+    }
+}
diff --git a/ProtRPP/SchoolAgainStudyContracts/BusinessLogicContracts/IStudentLogic.cs b/ProtRPP/SchoolAgainStudyContracts/BusinessLogicContracts/IStudentLogic.cs
new file mode 100644
index 0000000..6eaae28
--- /dev/null
+++ b/ProtRPP/SchoolAgainStudyContracts/BusinessLogicContracts/IStudentLogic.cs
@@ -0,0 +1,20 @@
+using SchoolAgainStudyContracts.BindingModel;
+using SchoolAgainStudyContracts.SearchModel;
+using SchoolAgainStudyContracts.ViewModel;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SchoolAgainStudyContracts.BusinessLogicContracts
+{
+    public interface IStudentLogic
+    {
+        List<StudentViewModel>? ReadList(StudentSearchModel? model);
+        StudentViewModel? ReadElement(StudentSearchModel model);
+        bool Create(StudentBindingModel model);
+        bool Update(StudentBindingModel model);
+        bool Delete(StudentBindingModel model);
+    }
+}
diff --git a/ProtRPP/SchoolAgainStudyContracts/BusinessLogicContracts/ITaskLogic.cs b/ProtRPP/SchoolAgainStudyContracts/BusinessLogicContracts/ITaskLogic.cs
new file mode 100644
index 0000000..ea1b067
--- /dev/null
+++ b/ProtRPP/SchoolAgainStudyContracts/BusinessLogicContracts/ITaskLogic.cs
@@ -0,0 +1,20 @@
+using SchoolAgainStudyContracts.BindingModel;
+using SchoolAgainStudyContracts.SearchModel;
+using SchoolAgainStudyContracts.ViewModel;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SchoolAgainStudyContracts.BusinessLogicContracts
+{
+    public interface ITaskLogic
+    {
+        List<TaskViewModel>? ReadList(TaskSearchModel? model);
+        TaskViewModel? ReadElement(TaskSearchModel model);
+        bool Create(TaskBindingModel model);
+        bool Update(TaskBindingModel model);
+        bool Delete(TaskBindingModel model);
+    }
+}
diff --git a/ProtRPP/SchoolAgainStudyContracts/BusinessLogicContracts/ITeacherLogic.cs b/ProtRPP/SchoolAgainStudyContracts/BusinessLogicContracts/ITeacherLogic.cs
new file mode 100644
index 0000000..81cd454
--- /dev/null
+++ b/ProtRPP/SchoolAgainStudyContracts/BusinessLogicContracts/ITeacherLogic.cs
@@ -0,0 +1,20 @@
+using SchoolAgainStudyContracts.BindingModel;
+using SchoolAgainStudyContracts.SearchModel;
+using SchoolAgainStudyContracts.ViewModel;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SchoolAgainStudyContracts.BusinessLogicContracts
+{
+    public interface ITeacherLogic
+    {
+        List<TeacherViewModel>? ReadList(TeacherSearchModel? model);
+        TeacherViewModel? ReadElement(TeacherSearchModel model);
+        bool Create(TeacherBindingModel model);
+        bool Update(TeacherBindingModel model);
+        bool Delete(TeacherBindingModel model);
+    }
+}
diff --git a/ProtRPP/SchoolAgainStudyContracts/SearchModel/DiySearchModel.cs b/ProtRPP/SchoolAgainStudyContracts/SearchModel/DiySearchModel.cs
new file mode 100644
index 0000000..eec05b7
--- /dev/null
+++ b/ProtRPP/SchoolAgainStudyContracts/SearchModel/DiySearchModel.cs
@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SchoolAgainStudyContracts.SearchModel
+{
+    public class DiySearchModel
+    {
+        public int? Id { get; set; }
+        public string? Title { get; set; }
+        public DateTime? DateFrom { get; set; }
+
+        public DateTime? DateTo { get; set; }
+    }
+}
diff --git a/ProtRPP/SchoolAgainStudyContracts/SearchModel/InterestSearchModel.cs b/ProtRPP/SchoolAgainStudyContracts/SearchModel/InterestSearchModel.cs
new file mode 100644
index 0000000..bcefc9a
--- /dev/null
+++ b/ProtRPP/SchoolAgainStudyContracts/SearchModel/InterestSearchModel.cs
@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SchoolAgainStudyContracts.SearchModel
+{
+    public class InterestSearchModel
+    {
+        public int? Id { get; set; }
+        public string? Title { get; set; }
+
+    }
+}
diff --git a/ProtRPP/SchoolAgainStudyContracts/SearchModel/LessonSearchModel.cs b/ProtRPP/SchoolAgainStudyContracts/SearchModel/LessonSearchModel.cs
new file mode 100644
index 0000000..15df107
--- /dev/null
+++ b/ProtRPP/SchoolAgainStudyContracts/SearchModel/LessonSearchModel.cs
@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SchoolAgainStudyContracts.SearchModel
+{
+    public class LessonSearchModel 
+    {
+        public int? Id { get; set; }
+        public string? Title { get; set; }
+        public DateTime? DateFrom { get; set; }
+
+        public DateTime? DateTo { get; set; }
+    }
+}
diff --git a/ProtRPP/SchoolAgainStudyContracts/SearchModel/MaterialSearchModel.cs b/ProtRPP/SchoolAgainStudyContracts/SearchModel/MaterialSearchModel.cs
new file mode 100644
index 0000000..9f557eb
--- /dev/null
+++ b/ProtRPP/SchoolAgainStudyContracts/SearchModel/MaterialSearchModel.cs
@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SchoolAgainStudyContracts.SearchModel
+{
+    public class MaterialSearchModel
+    {
+        public int? Id { get; set; }
+        public string? Title { get; set; }
+    }
+}
diff --git a/ProtRPP/SchoolAgainStudyContracts/SearchModel/ProductSearchModel.cs b/ProtRPP/SchoolAgainStudyContracts/SearchModel/ProductSearchModel.cs
new file mode 100644
index 0000000..dc92f98
--- /dev/null
+++ b/ProtRPP/SchoolAgainStudyContracts/SearchModel/ProductSearchModel.cs
@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SchoolAgainStudyContracts.SearchModel
+{
+    public class ProductSearchModel
+    {
+        public int? Id { get; set; }
+        public string? Title { get; set; }
+        public DateTime? DateFrom { get; set; }
+
+        public DateTime? DateTo { get; set; }
+    }
+}
diff --git a/ProtRPP/SchoolAgainStudyContracts/SearchModel/StudentSearchModel.cs b/ProtRPP/SchoolAgainStudyContracts/SearchModel/StudentSearchModel.cs
new file mode 100644
index 0000000..4c2c44f
--- /dev/null
+++ b/ProtRPP/SchoolAgainStudyContracts/SearchModel/StudentSearchModel.cs
@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SchoolAgainStudyContracts.SearchModel
+{
+    public class StudentSearchModel
+    {
+        public int? Id { get; set; }
+        public string? Login { get; set; }
+        public string? Name { get; set; }
+    }
+}
diff --git a/ProtRPP/SchoolAgainStudyContracts/SearchModel/TaskSearchModel.cs b/ProtRPP/SchoolAgainStudyContracts/SearchModel/TaskSearchModel.cs
new file mode 100644
index 0000000..fb6ea06
--- /dev/null
+++ b/ProtRPP/SchoolAgainStudyContracts/SearchModel/TaskSearchModel.cs
@@ -0,0 +1,18 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SchoolAgainStudyContracts.SearchModel
+{
+    public class TaskSearchModel
+
+    {
+        public int? Id { get; set; }
+        public string? Title { get; set; }
+        public DateTime? DateFrom { get; set; }
+
+        public DateTime? DateTo { get; set; }
+    }
+}
diff --git a/ProtRPP/SchoolAgainStudyContracts/SearchModel/TeacherSearchModel.cs b/ProtRPP/SchoolAgainStudyContracts/SearchModel/TeacherSearchModel.cs
new file mode 100644
index 0000000..53acce0
--- /dev/null
+++ b/ProtRPP/SchoolAgainStudyContracts/SearchModel/TeacherSearchModel.cs
@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SchoolAgainStudyContracts.SearchModel
+{
+    public class TeacherSearchModel
+    {
+        public int? Id { get; set; }
+        public string? Login { get; set; }
+        public string? Name { get; set; }
+
+    }
+}
diff --git a/ProtRPP/SchoolAgainStudyContracts/StorageContracts/IDiyStorage.cs b/ProtRPP/SchoolAgainStudyContracts/StorageContracts/IDiyStorage.cs
new file mode 100644
index 0000000..8123f2e
--- /dev/null
+++ b/ProtRPP/SchoolAgainStudyContracts/StorageContracts/IDiyStorage.cs
@@ -0,0 +1,21 @@
+using SchoolAgainStudyContracts.BindingModel;
+using SchoolAgainStudyContracts.SearchModel;
+using SchoolAgainStudyContracts.ViewModel;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SchoolAgainStudyContracts.StorageContracts
+{
+    public interface IDiyStorage
+    {
+        List<DiyViewModel> GetFullList();
+        List<DiyViewModel> GetFilteredList(DiySearchModel model);
+        DiyViewModel? GetElement(DiySearchModel model);
+        DiyViewModel? Insert(DiyBindingModel model);
+        DiyViewModel? Update(DiyBindingModel model);
+        DiyViewModel? Delete(DiyBindingModel model);
+    }
+}
diff --git a/ProtRPP/SchoolAgainStudyContracts/StorageContracts/IInterestStorage.cs b/ProtRPP/SchoolAgainStudyContracts/StorageContracts/IInterestStorage.cs
new file mode 100644
index 0000000..c705b32
--- /dev/null
+++ b/ProtRPP/SchoolAgainStudyContracts/StorageContracts/IInterestStorage.cs
@@ -0,0 +1,21 @@
+using SchoolAgainStudyContracts.BindingModel;
+using SchoolAgainStudyContracts.SearchModel;
+using SchoolAgainStudyContracts.ViewModel;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SchoolAgainStudyContracts.StorageContracts
+{
+    public interface IInterestStorage
+    {
+        List<InterestViewModel> GetFullList();
+        List<InterestViewModel> GetFilteredList(InterestSearchModel model);
+        InterestViewModel? GetElement(InterestSearchModel model);
+        InterestViewModel? Insert(InterestBindingModel model);
+        InterestViewModel? Update(InterestBindingModel model);
+        InterestViewModel? Delete(InterestBindingModel model);
+    }
+}
diff --git a/ProtRPP/SchoolAgainStudyContracts/StorageContracts/ILessonStorage.cs b/ProtRPP/SchoolAgainStudyContracts/StorageContracts/ILessonStorage.cs
new file mode 100644
index 0000000..48485bb
--- /dev/null
+++ b/ProtRPP/SchoolAgainStudyContracts/StorageContracts/ILessonStorage.cs
@@ -0,0 +1,21 @@
+using SchoolAgainStudyContracts.BindingModel;
+using SchoolAgainStudyContracts.SearchModel;
+using SchoolAgainStudyContracts.ViewModel;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SchoolAgainStudyContracts.StorageContracts
+{
+    public interface ILessonStorage
+    {
+        List<LessonViewModel> GetFullList();
+        List<LessonViewModel> GetFilteredList(LessonSearchModel model);
+        LessonViewModel? GetElement(LessonSearchModel model);
+        LessonViewModel? Insert(LessonBindingModel model);
+        LessonViewModel? Update(LessonBindingModel model);
+        LessonViewModel? Delete(LessonBindingModel model);
+    }
+}
diff --git a/ProtRPP/SchoolAgainStudyContracts/StorageContracts/IMaterialStorage.cs b/ProtRPP/SchoolAgainStudyContracts/StorageContracts/IMaterialStorage.cs
new file mode 100644
index 0000000..cd2bcec
--- /dev/null
+++ b/ProtRPP/SchoolAgainStudyContracts/StorageContracts/IMaterialStorage.cs
@@ -0,0 +1,21 @@
+using SchoolAgainStudyContracts.BindingModel;
+using SchoolAgainStudyContracts.SearchModel;
+using SchoolAgainStudyContracts.ViewModel;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SchoolAgainStudyContracts.StorageContracts
+{
+    public interface IMaterialStorage
+    {
+        List<MaterialViewModel> GetFullList();
+        List<MaterialViewModel> GetFilteredList(MaterialSearchModel model);
+        MaterialViewModel? GetElement(MaterialSearchModel model);
+        MaterialViewModel? Insert(MaterialBindingModel model);
+        MaterialViewModel? Update(MaterialBindingModel model);
+        MaterialViewModel? Delete(MaterialBindingModel model);
+    }
+}
diff --git a/ProtRPP/SchoolAgainStudyContracts/StorageContracts/IProductStorage.cs b/ProtRPP/SchoolAgainStudyContracts/StorageContracts/IProductStorage.cs
new file mode 100644
index 0000000..ec1365f
--- /dev/null
+++ b/ProtRPP/SchoolAgainStudyContracts/StorageContracts/IProductStorage.cs
@@ -0,0 +1,21 @@
+using SchoolAgainStudyContracts.BindingModel;
+using SchoolAgainStudyContracts.SearchModel;
+using SchoolAgainStudyContracts.ViewModel;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SchoolAgainStudyContracts.StorageContracts
+{
+    public interface IProductStorage
+    {
+        List<ProductViewModel> GetFullList();
+        List<ProductViewModel> GetFilteredList(ProductSearchModel model);
+        ProductViewModel? GetElement(ProductSearchModel model);
+        ProductViewModel? Insert(ProductBindingModel model);
+        ProductViewModel? Update(ProductBindingModel model);
+        ProductViewModel? Delete(ProductBindingModel model);
+    }
+}
diff --git a/ProtRPP/SchoolAgainStudyContracts/StorageContracts/IStudentStorage.cs b/ProtRPP/SchoolAgainStudyContracts/StorageContracts/IStudentStorage.cs
new file mode 100644
index 0000000..232e71f
--- /dev/null
+++ b/ProtRPP/SchoolAgainStudyContracts/StorageContracts/IStudentStorage.cs
@@ -0,0 +1,21 @@
+using SchoolAgainStudyContracts.BindingModel;
+using SchoolAgainStudyContracts.SearchModel;
+using SchoolAgainStudyContracts.ViewModel;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SchoolAgainStudyContracts.StorageContracts
+{
+    public interface IStudentStorage
+    {
+        List<StudentViewModel> GetFullList();
+        List<StudentViewModel> GetFilteredList(StudentSearchModel model);
+        StudentViewModel? GetElement(StudentSearchModel model);
+        StudentViewModel? Insert(StudentBindingModel model);
+        StudentViewModel? Update(StudentBindingModel model);
+        StudentViewModel? Delete(StudentBindingModel model);
+    }
+}
diff --git a/ProtRPP/SchoolAgainStudyContracts/StorageContracts/ITaskStorage.cs b/ProtRPP/SchoolAgainStudyContracts/StorageContracts/ITaskStorage.cs
new file mode 100644
index 0000000..9530a85
--- /dev/null
+++ b/ProtRPP/SchoolAgainStudyContracts/StorageContracts/ITaskStorage.cs
@@ -0,0 +1,21 @@
+using SchoolAgainStudyContracts.BindingModel;
+using SchoolAgainStudyContracts.SearchModel;
+using SchoolAgainStudyContracts.ViewModel;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SchoolAgainStudyContracts.StorageContracts
+{
+    public interface ITaskStorage
+    {
+        List<TaskViewModel> GetFullList();
+        List<TaskViewModel> GetFilteredList(TaskSearchModel model);
+        TaskViewModel? GetElement(TaskSearchModel model);
+        TaskViewModel? Insert(TaskBindingModel model);
+        TaskViewModel? Update(TaskBindingModel model);
+        TaskViewModel? Delete(TaskBindingModel model);
+    }
+}
diff --git a/ProtRPP/SchoolAgainStudyContracts/StorageContracts/ITeacherStorage.cs b/ProtRPP/SchoolAgainStudyContracts/StorageContracts/ITeacherStorage.cs
new file mode 100644
index 0000000..c27e5f9
--- /dev/null
+++ b/ProtRPP/SchoolAgainStudyContracts/StorageContracts/ITeacherStorage.cs
@@ -0,0 +1,21 @@
+using SchoolAgainStudyContracts.BindingModel;
+using SchoolAgainStudyContracts.SearchModel;
+using SchoolAgainStudyContracts.ViewModel;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SchoolAgainStudyContracts.StorageContracts
+{
+    public interface ITeacherStorage
+    {
+        List<TeacherViewModel> GetFullList();
+        List<TeacherViewModel> GetFilteredList(TeacherSearchModel model);
+        TeacherViewModel? GetElement(TeacherSearchModel model);
+        TeacherViewModel? Insert(TeacherBindingModel model);
+        TeacherViewModel? Update(TeacherBindingModel model);
+        TeacherViewModel? Delete(TeacherBindingModel model);
+    }
+}
diff --git a/ProtRPP/SchoolAgainStudyContracts/ViewModel/DiyViewModel.cs b/ProtRPP/SchoolAgainStudyContracts/ViewModel/DiyViewModel.cs
new file mode 100644
index 0000000..6199327
--- /dev/null
+++ b/ProtRPP/SchoolAgainStudyContracts/ViewModel/DiyViewModel.cs
@@ -0,0 +1,28 @@
+using SchoolAgainStudyDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SchoolAgainStudyContracts.ViewModel
+{
+    public class DiyViewModel : IDiy
+    {
+        [DisplayName("Название")]
+        public string Title { get; set; } = string.Empty;
+        [DisplayName("Описание")]
+        public string Description { get; set; } = string.Empty;
+        [DisplayName("Дата создания")]
+        public DateTime DateCreate { get; set; } = DateTime.SpecifyKind(DateTime.Now, DateTimeKind.Utc);
+
+        public int TaskId { get; set; } 
+
+        public int StudentId { get; set; }  
+
+        public Dictionary<int, IInterest> DiyInterests { get; set; } = new();
+        [DisplayName("Номер")]
+        public int Id { get; set; }  
+    }
+}
diff --git a/ProtRPP/SchoolAgainStudyContracts/ViewModel/InterestViewModel.cs b/ProtRPP/SchoolAgainStudyContracts/ViewModel/InterestViewModel.cs
new file mode 100644
index 0000000..8f07702
--- /dev/null
+++ b/ProtRPP/SchoolAgainStudyContracts/ViewModel/InterestViewModel.cs
@@ -0,0 +1,20 @@
+using SchoolAgainStudyDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SchoolAgainStudyContracts.ViewModel
+{
+    public class InterestViewModel : IInterest
+    {
+        [DisplayName("Название")]
+        public string Title { get; set; } = string.Empty;
+        [DisplayName("Описание")]
+        public string Description { get; set; } = string.Empty;
+        [DisplayName("Номер")]
+        public int Id { get; set; } 
+    }
+}
diff --git a/ProtRPP/SchoolAgainStudyContracts/ViewModel/LessonViewModel.cs b/ProtRPP/SchoolAgainStudyContracts/ViewModel/LessonViewModel.cs
new file mode 100644
index 0000000..7df915c
--- /dev/null
+++ b/ProtRPP/SchoolAgainStudyContracts/ViewModel/LessonViewModel.cs
@@ -0,0 +1,26 @@
+using SchoolAgainStudyDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SchoolAgainStudyContracts.ViewModel
+{
+    public class LessonViewModel : ILesson
+    {
+        [DisplayName("Название")]
+        public string Title { get; set; } = string.Empty;
+        [DisplayName("Дата проведения")]
+        public DateTime DateEvent { get; set; } = DateTime.SpecifyKind(DateTime.Now, DateTimeKind.Utc);
+
+        public int ProductId { get; set; } 
+
+        public int TeacherId { get; set; } 
+
+        public Dictionary<int, IMaterial> LessonMaterials { get; set; } = new();
+        [DisplayName("Номер")]
+        public int Id { get; set; } 
+    }
+}
diff --git a/ProtRPP/SchoolAgainStudyContracts/ViewModel/MaterialViewModel.cs b/ProtRPP/SchoolAgainStudyContracts/ViewModel/MaterialViewModel.cs
new file mode 100644
index 0000000..d85c1ed
--- /dev/null
+++ b/ProtRPP/SchoolAgainStudyContracts/ViewModel/MaterialViewModel.cs
@@ -0,0 +1,20 @@
+using SchoolAgainStudyDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SchoolAgainStudyContracts.ViewModel
+{
+    public class MaterialViewModel : IMaterial
+    {
+        [DisplayName("Название")]
+        public string Title { get; set; } = string.Empty;
+        [DisplayName("Сфера использования")]
+        public string SphereUse { get; set; } = string.Empty;
+        [DisplayName("Номер")]
+        public int Id { get; set; }
+    }
+}
diff --git a/ProtRPP/SchoolAgainStudyContracts/ViewModel/ProductViewModel.cs b/ProtRPP/SchoolAgainStudyContracts/ViewModel/ProductViewModel.cs
new file mode 100644
index 0000000..bdc5540
--- /dev/null
+++ b/ProtRPP/SchoolAgainStudyContracts/ViewModel/ProductViewModel.cs
@@ -0,0 +1,26 @@
+using SchoolAgainStudyDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SchoolAgainStudyContracts.ViewModel
+{
+    public class ProductViewModel : IProduct
+    {
+        [DisplayName("Название")]
+        public string Title { get; set; } = string.Empty;
+        [DisplayName("Описание")]
+        public string Description { get; set; } = string.Empty;
+        [DisplayName("Дата создания")]
+        public DateTime DateCreate { get; set; } = DateTime.SpecifyKind(DateTime.Now, DateTimeKind.Utc);
+
+        public int StudentId { get; set; }
+
+        public Dictionary<int, IInterest> ProductInterests { get; set; } = new();
+        [DisplayName("Номер")]
+        public int Id { get; set; } 
+    }
+}
diff --git a/ProtRPP/SchoolAgainStudyContracts/ViewModel/ReportDiyMaterialViewModel.cs b/ProtRPP/SchoolAgainStudyContracts/ViewModel/ReportDiyMaterialViewModel.cs
new file mode 100644
index 0000000..c8cdd90
--- /dev/null
+++ b/ProtRPP/SchoolAgainStudyContracts/ViewModel/ReportDiyMaterialViewModel.cs
@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SchoolAgainStudyContracts.ViewModel
+{
+    public class ReportDiyMaterialViewModel
+    {
+        public string Title { get; set; } = string.Empty;
+        public List<string> Diys { get; set; } = new();
+    }
+}
diff --git a/ProtRPP/SchoolAgainStudyContracts/ViewModel/ReportInterestLessonViewModel.cs b/ProtRPP/SchoolAgainStudyContracts/ViewModel/ReportInterestLessonViewModel.cs
new file mode 100644
index 0000000..0bb5840
--- /dev/null
+++ b/ProtRPP/SchoolAgainStudyContracts/ViewModel/ReportInterestLessonViewModel.cs
@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SchoolAgainStudyContracts.ViewModel
+{
+    public class ReportInterestLessonViewModel
+    {
+        public string Title { get; set; } = string.Empty;
+        public List<string> Lessons { get; set; } = new();
+    }
+}
diff --git a/ProtRPP/SchoolAgainStudyContracts/ViewModel/ReportInterestViewModel.cs b/ProtRPP/SchoolAgainStudyContracts/ViewModel/ReportInterestViewModel.cs
new file mode 100644
index 0000000..f8dce0f
--- /dev/null
+++ b/ProtRPP/SchoolAgainStudyContracts/ViewModel/ReportInterestViewModel.cs
@@ -0,0 +1,19 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SchoolAgainStudyContracts.ViewModel
+{
+    public class ReportInterestViewModel
+    {
+        public int Id { get; set; }
+        public string InterestTitle { get; set; } = string.Empty;
+        public string InterestDesc { get; set; } = string.Empty;
+        public string WorkType { get; set; } = string.Empty;
+        public string WorkTitle { get; set; } = string.Empty;
+        public string WorkDesc { get; set; } = string.Empty;
+        public DateTime DateCreate { get; set; } 
+    }
+}
diff --git a/ProtRPP/SchoolAgainStudyContracts/ViewModel/ReportLessonTaskViewModel.cs b/ProtRPP/SchoolAgainStudyContracts/ViewModel/ReportLessonTaskViewModel.cs
new file mode 100644
index 0000000..bd8e407
--- /dev/null
+++ b/ProtRPP/SchoolAgainStudyContracts/ViewModel/ReportLessonTaskViewModel.cs
@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SchoolAgainStudyContracts.ViewModel
+{
+    public class ReportLessonTaskViewModel
+    {
+        public int Id { get; set; }
+        public string TitleLesson { get; set; } = string.Empty;
+        public string TitleTask { get; set; } = string.Empty;
+    }
+}
diff --git a/ProtRPP/SchoolAgainStudyContracts/ViewModel/StudentViewModel.cs b/ProtRPP/SchoolAgainStudyContracts/ViewModel/StudentViewModel.cs
new file mode 100644
index 0000000..18763a5
--- /dev/null
+++ b/ProtRPP/SchoolAgainStudyContracts/ViewModel/StudentViewModel.cs
@@ -0,0 +1,27 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using SchoolAgainStudyDataModels.Models;
+namespace SchoolAgainStudyContracts.ViewModel
+{
+    public class StudentViewModel : IStudent
+    {
+        [DisplayName("ФИО")]
+        public string Name { get; set; } = string.Empty;
+        [DisplayName("Класс")]
+        public int Class { get; set; }
+        [DisplayName("Почта")]
+        public string Email { get; set; } = string.Empty;
+        [DisplayName("Логин")]
+        public string Login { get; set; } = string.Empty;
+        [DisplayName("Пароль")]
+        public string Password { get; set; } = string.Empty;
+
+        public Dictionary<int, IInterest> StudentInterests { get; set; } = new() ;
+        [DisplayName("Номер")]
+        public int Id { get; set; } 
+    }
+}
diff --git a/ProtRPP/SchoolAgainStudyContracts/ViewModel/TaskViewModel.cs b/ProtRPP/SchoolAgainStudyContracts/ViewModel/TaskViewModel.cs
new file mode 100644
index 0000000..44df11a
--- /dev/null
+++ b/ProtRPP/SchoolAgainStudyContracts/ViewModel/TaskViewModel.cs
@@ -0,0 +1,26 @@
+using SchoolAgainStudyDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SchoolAgainStudyContracts.ViewModel
+{
+    public class TaskViewModel : ITask
+    {
+        [DisplayName("Название")]
+        public string Title { get; set; } = string.Empty;
+        [DisplayName("Дата выдачи")]
+        public DateTime DateIssue { get; set; } = DateTime.SpecifyKind(DateTime.Now, DateTimeKind.Utc);
+        [DisplayName("Дата сдачи")]
+        public DateTime DateDelivery { get; set; } = DateTime.SpecifyKind(DateTime.Now, DateTimeKind.Utc);
+
+        public int TeacherID { get; set; }  
+
+        public Dictionary<int, IMaterial> TaskMaterials { get; set; } = new();
+        [DisplayName("Номер")]
+        public int Id { get; set; }
+    }
+}
diff --git a/ProtRPP/SchoolAgainStudyContracts/ViewModel/TeacherViewModel.cs b/ProtRPP/SchoolAgainStudyContracts/ViewModel/TeacherViewModel.cs
new file mode 100644
index 0000000..0061e21
--- /dev/null
+++ b/ProtRPP/SchoolAgainStudyContracts/ViewModel/TeacherViewModel.cs
@@ -0,0 +1,28 @@
+using SchoolAgainStudyDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SchoolAgainStudyContracts.ViewModel
+{
+    public class TeacherViewModel : ITeacher
+    {
+        [DisplayName("ФИО")]
+        public string Name { get; set; } = string.Empty;
+        [DisplayName("Должность")]
+        public string Post { get; set; } = string.Empty;
+        [DisplayName("Телефон")]
+        public string Phone { get; set; } = string.Empty;
+        [DisplayName("Логин")]
+        public string Login { get; set; } = string.Empty;
+        [DisplayName("Пароль")]
+        public string Password { get; set; } = string.Empty;
+
+        public Dictionary<int, IMaterial> TeacherMaterials { get; set; } = new();
+        [DisplayName("Номер")]
+        public int Id { get; set; }
+    }
+}