Добавил несколько элементов, настройка структуру. Осталось соедение базы данных.

EmployeeManagmentApp.sln

@@ -7,6 +7,10 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "EmployeeManagmentView", "Em
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "EmployeeManagmentContracts", "EmployeeManagmentContracts\EmployeeManagmentContracts.csproj", "{81DBCB6A-C1AD-4DC2-A016-C0ACB64AE2A7}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "EmployeeManagmentBusinessLogic", "EmployeeManagmentBusinessLogic\EmployeeManagmentBusinessLogic.csproj", "{00B118F5-6A3C-4606-8947-88D0288AEFDB}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "EmployeeManagmentDataModels", "EmployeeManagmentDataModels\EmployeeManagmentDataModels.csproj", "{C5293211-E924-4CFA-9DE5-69003D8C9F48}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -21,6 +25,14 @@ Global
 		{81DBCB6A-C1AD-4DC2-A016-C0ACB64AE2A7}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{81DBCB6A-C1AD-4DC2-A016-C0ACB64AE2A7}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{81DBCB6A-C1AD-4DC2-A016-C0ACB64AE2A7}.Release|Any CPU.Build.0 = Release|Any CPU
+		{00B118F5-6A3C-4606-8947-88D0288AEFDB}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{00B118F5-6A3C-4606-8947-88D0288AEFDB}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{00B118F5-6A3C-4606-8947-88D0288AEFDB}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{00B118F5-6A3C-4606-8947-88D0288AEFDB}.Release|Any CPU.Build.0 = Release|Any CPU
+		{C5293211-E924-4CFA-9DE5-69003D8C9F48}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{C5293211-E924-4CFA-9DE5-69003D8C9F48}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{C5293211-E924-4CFA-9DE5-69003D8C9F48}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{C5293211-E924-4CFA-9DE5-69003D8C9F48}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

EmployeeManagmentBusinessLogic/BusinessLogic/EmployeeLogic.cs

@@ -0,0 +1,88 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace EmployeeManagmentBusinessLogic.BusinessLogic
+{
+    public class EmployeeLogic : IEmployeeLogic
+    {
+        private readonly IEmployeeStorage _employeeStorage;
+
+        public EmployeeLogic(IEmployeeStorage employeeStorage)
+        {
+            _employeeStorage = employeeStorage;
+        }
+
+        public List<EmployeeViewModel> GetEmployees(EmployeeSearchModel model)
+        {
+            var employees = model == null ? _employeeStorage.GetFullList() : _employeeStorage.GetFilteredList(model);
+            return employees.Select(e => new EmployeeViewModel
+            {
+                Id = e.Id,
+                NameJob = e.NameJob,
+                StartJob = e.StartJob,
+                EndJob = e.EndJob,
+                PartTimeJob = e.PartTimeJob,
+                Bid = e.Bid,
+                PhysicalPersonName = e.PhysicalPerson.Name
+            }).ToList();
+        }
+
+        public EmployeeViewModel? GetEmployeeById(int id)
+        {
+            var employee = _employeeStorage.GetElement(id);
+            return employee != null ? new EmployeeViewModel
+            {
+                Id = employee.Id,
+                NameJob = employee.NameJob,
+                StartJob = employee.StartJob,
+                EndJob = employee.EndJob,
+                PartTimeJob = employee.PartTimeJob,
+                Bid = employee.Bid,
+                PhysicalPersonName = employee.PhysicalPerson.Name
+            } : null;
+        }
+
+        public void CreateOrUpdate(EmployeeBindingModel model)
+        {
+            if (model.Id.HasValue)
+            {
+                var existingEmployee = _employeeStorage.GetElement(model.Id.Value);
+                if (existingEmployee == null)
+                    throw new Exception("Сотрудник не найден");
+
+                existingEmployee.NameJob = model.NameJob;
+                existingEmployee.StartJob = model.StartJob;
+                existingEmployee.EndJob = model.EndJob;
+                existingEmployee.PartTimeJob = model.PartTimeJob;
+                existingEmployee.Bid = model.Bid;
+                existingEmployee.PhysicalPersonId = model.PhysicalPersonId;
+
+                _employeeStorage.Update(existingEmployee);
+            }
+            else
+            {
+                var newEmployee = new Employee
+                {
+                    NameJob = model.NameJob,
+                    StartJob = model.StartJob,
+                    EndJob = model.EndJob,
+                    PartTimeJob = model.PartTimeJob,
+                    Bid = model.Bid,
+                    PhysicalPersonId = model.PhysicalPersonId
+                };
+                _employeeStorage.Insert(newEmployee);
+            }
+        }
+
+        public void Delete(int id)
+        {
+            var employee = _employeeStorage.GetElement(id);
+            if (employee == null)
+                throw new Exception("Сотрудник не найден");
+            _employeeStorage.Delete(id);
+        }
+    }
+}

EmployeeManagmentBusinessLogic/BusinessLogic/SalaryLogic.cs

@@ -0,0 +1,73 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace EmployeeManagmentBusinessLogic.BusinessLogic
+{
+    public class SalaryLogic : ISalaryLogic
+    {
+        private readonly ISalaryStorage _salaryStorage;
+
+        public SalaryLogic(ISalaryStorage salaryStorage)
+        {
+            _salaryStorage = salaryStorage;
+        }
+
+        public List<SalaryViewModel> GetSalaries(SalarySearchModel model)
+        {
+            var salaries = model == null ? _salaryStorage.GetFullList() : _salaryStorage.GetFilteredList(model);
+            return salaries.Select(s => new SalaryViewModel
+            {
+                Id = s.Id,
+                CountHours = s.CountHours,
+                PriceHour = s.PriceHour,
+                Premium = s.Premium,
+                Date = s.Date,
+                Passed = s.Passed,
+                EmployeeName = s.Employee.NameJob
+            }).ToList();
+        }
+
+        public void CreateOrUpdate(SalaryBindingModel model)
+        {
+            if (model.Id.HasValue)
+            {
+                var existingSalary = _salaryStorage.GetElement(model.Id.Value);
+                if (existingSalary == null)
+                    throw new Exception("Зарплата не найдена");
+
+                existingSalary.CountHours = model.CountHours;
+                existingSalary.PriceHour = model.PriceHour;
+                existingSalary.Premium = model.Premium;
+                existingSalary.Date = model.Date;
+                existingSalary.Passed = model.Passed;
+                existingSalary.EmployeeId = model.EmployeeId;
+
+                _salaryStorage.Update(existingSalary);
+            }
+            else
+            {
+                var newSalary = new Salary
+                {
+                    CountHours = model.CountHours,
+                    PriceHour = model.PriceHour,
+                    Premium = model.Premium,
+                    Date = model.Date,
+                    Passed = model.Passed,
+                    EmployeeId = model.EmployeeId
+                };
+                _salaryStorage.Insert(newSalary);
+            }
+        }
+
+        public void Delete(int id)
+        {
+            var salary = _salaryStorage.GetElement(id);
+            if (salary == null)
+                throw new Exception("Зарплата не найдена");
+            _salaryStorage.Delete(id);
+        }
+    }
+}

EmployeeManagmentBusinessLogic/BusinessLogic/VacationLogic.cs

@@ -0,0 +1,63 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace EmployeeManagmentBusinessLogic.BusinessLogic
+{
+    public class VacationLogic : IVacationLogic
+    {
+        private readonly IVacationStorage _vacationStorage;
+
+        public VacationLogic(IVacationStorage vacationStorage)
+        {
+            _vacationStorage = vacationStorage;
+        }
+
+        public List<VacationViewModel> GetVacations(VacationSearchModel model)
+        {
+            return _vacationStorage.GetFilteredList(model).Select(v => new VacationViewModel
+            {
+                Id = v.Id,
+                StartData = v.StartData,
+                EndData = v.EndData,
+                Passed = v.Passed,
+                EmployeeName = v.Employee.NameJob
+            }).ToList();
+        }
+
+        public void CreateOrUpdate(VacationBindingModel model)
+        {
+            if (model.Id.HasValue)
+            {
+                var existingVacation = _vacationStorage.GetElement(model.Id.Value);
+                if (existingVacation == null)
+                    throw new Exception("Отпуск не найден");
+
+                existingVacation.StartData = model.StartData;
+                existingVacation.EndData = model.EndData;
+                existingVacation.Passed = model.Passed;
+                existingVacation.EmployeeId = model.EmployeeId;
+
+                _vacationStorage.Update(existingVacation);
+            }
+            else
+            {
+                var newVacation = new Vacation
+                {
+                    StartData = model.StartData,
+                    EndData = model.EndData,
+                    Passed = model.Passed,
+                    EmployeeId = model.EmployeeId
+                };
+                _vacationStorage.Insert(newVacation);
+            }
+        }
+
+        public void Delete(int id)
+        {
+            _vacationStorage.Delete(id);
+        }
+    }
+}

EmployeeManagmentBusinessLogic/EmployeeManagmentBusinessLogic.csproj

@@ -0,0 +1,9 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

EmployeeManagmentContracts/BindingModels/EmployeeBindingModel.cs

@@ -0,0 +1,19 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace EmployeeManagmentContracts.BindingModels
+{
+    public class EmployeeBindingModel
+    {
+        public int? Id { get; set; } 
+        public string NameJob { get; set; } = string.Empty;
+        public DateTime StartJob { get; set; }
+        public DateTime? EndJob { get; set; }
+        public string? PartTimeJob { get; set; }
+        public float Bid { get; set; }
+        public int PhysicalPersonId { get; set; }
+    }
+}

EmployeeManagmentContracts/BindingModels/SalaryBindingModel.cs

@@ -0,0 +1,19 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace EmployeeManagmentContracts.BindingModels
+{
+    public class SalaryBindingModel
+    {
+        public int? Id { get; set; }
+        public int CountHours { get; set; }
+        public float PriceHour { get; set; }
+        public float? Premium { get; set; }
+        public DateTime? Date { get; set; }
+        public bool Passed { get; set; }
+        public int EmployeeId { get; set; }
+    }
+}

EmployeeManagmentContracts/BusinessLogicContracts/IEmployeeLogic.cs

@@ -0,0 +1,18 @@
+using EmployeeManagmentContracts.BindingModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace EmployeeManagmentContracts.BusinessLogicContracts
+{
+    public interface IEmployeeLogic
+    {
+        List<EmployeeViewModel> GetEmployees(EmployeeSearchModel model);
+        EmployeeViewModel? GetEmployeeById(int id);
+        void CreateOrUpdate(EmployeeBindingModel model);
+        void Delete(int id);
+    }
+
+}

EmployeeManagmentContracts/BusinessLogicContracts/ISalaryLogic.cs

@@ -0,0 +1,18 @@
+using EmployeeManagmentContracts.BindingModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace EmployeeManagmentContracts.BusinessLogicContracts
+{
+    public interface ISalaryLogic
+    {
+        List<SalaryViewModel> GetSalaries(SalarySearchModel model);
+        SalaryViewModel? GetSalaryById(int id);
+        void CreateOrUpdate(SalaryBindingModel model);
+        void Delete(int id);
+    }
+
+}

EmployeeManagmentContracts/Class1.cs

@@ -1,7 +0,0 @@
-namespace EmployeeManagmentContracts
-{
-    public class Class1
-    {
-
-    }
-}

EmployeeManagmentContracts/SearchModels/EmployeeSearchModel.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace EmployeeManagmentContracts.SearchModels
+{
+    public class EmployeeSearchModel
+    {
+        public int? Id { get; set; }
+        public string? NameJob { get; set; }
+        public DateTime? StartDateFrom { get; set; }
+        public DateTime? StartDateTo { get; set; }
+    }
+}

EmployeeManagmentContracts/SearchModels/VacationSearchModel.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace EmployeeManagmentContracts.SearchModels
+{
+    public class VacationSearchModel
+    {
+        public int? Id { get; set; }
+        public int? EmployeeId { get; set; }
+        public DateTime? StartData { get; set; }
+        public DateTime? EndData { get; set; }
+    }
+}

EmployeeManagmentContracts/StoragesContracts/IEmployeeStorage.cs

@@ -0,0 +1,19 @@
+using EmployeeManagmentContracts.SearchModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace EmployeeManagmentContracts.StoragesContracts
+{
+    public interface IEmployeeStorage
+    {
+        List<Employee> GetFullList();
+        List<Employee> GetFilteredList(EmployeeSearchModel model);
+        Employee? GetElement(int id);
+        void Insert(Employee employee);
+        void Update(Employee employee);
+        void Delete(int id);
+    }
+}

EmployeeManagmentContracts/StoragesContracts/ISalaryStorage.cs

@@ -0,0 +1,18 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace EmployeeManagmentContracts.StoragesContracts
+{
+    public interface ISalaryStorage
+    {
+        List<Salary> GetFullList();
+        List<Salary> GetFilteredList(SalarySearchModel model);
+        Salary? GetElement(int id);
+        void Insert(Salary salary);
+        void Update(Salary salary);
+        void Delete(int id);
+    }
+}

EmployeeManagmentContracts/ViewModels/EmployeeViewModel.cs

@@ -0,0 +1,20 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace EmployeeManagmentContracts.ViewModels
+{
+    public class EmployeeViewModel
+    {
+        public int Id { get; set; }
+        public string NameJob { get; set; } = string.Empty;
+        public DateTime StartJob { get; set; }
+        public DateTime? EndJob { get; set; }
+        public string? PartTimeJob { get; set; }
+        public float Bid { get; set; }
+        public string PhysicalPersonName { get; set; } = string.Empty;
+    }
+
+}

EmployeeManagmentContracts/ViewModels/SalaryViewModel.cs

@@ -0,0 +1,19 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace EmployeeManagmentContracts.ViewModels
+{
+    public class SalaryViewModel
+    {
+        public int Id { get; set; }
+        public int CountHours { get; set; }
+        public float PriceHour { get; set; }
+        public float? Premium { get; set; }
+        public DateTime? Date { get; set; }
+        public bool Passed { get; set; }
+        public string EmployeeName { get; set; } = string.Empty;
+    }
+}

EmployeeManagmentDataModels/EmployeeManagmentDataModels.csproj

@@ -0,0 +1,9 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

EmployeeManagmentDataModels/Enums/JobType.cs

@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace EmployeeManagmentDataModels.Enums
+{
+    public enum JobType
+    {
+        FullTime,     // Полная занятость
+        PartTime,     // Неполная занятость
+        Internship    // Стажировка
+    }
+}

EmployeeManagmentDataModels/Enums/VacationStatus.cs

@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace EmployeeManagmentDataModels.Enums
+{
+    internal class VacationStatus
+    {
+    }
+}

EmployeeManagmentDataModels/Models/Employee.cs

@@ -0,0 +1,25 @@
+using EmployeeManagmentDataModels.Enums;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace EmployeeManagmentDataModels.Models
+{
+    public class Employee
+    {
+        public int Id { get; set; }
+        public string NameJob { get; set; } = string.Empty;
+        public DateTime StartJob { get; set; }
+        public DateTime? EndJob { get; set; }
+        public JobType PartTimeJob { get; set; }
+        public decimal Bid { get; set; } // Ставка
+        public int PhysicalPersonId { get; set; }
+
+        // Связь с физическим лицом
+        public PhysicalPerson? PhysicalPerson { get; set; }
+        public List<Salary>? Salaries { get; set; }
+        public List<Vacation>? Vacations { get; set; }
+    }
+}

EmployeeManagmentDataModels/Models/PhysicalPerson.cs

@@ -0,0 +1,19 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace EmployeeManagmentDataModels.Models
+{
+    public class PhysicalPerson
+    {
+        public int Id { get; set; }
+        public string Name { get; set; } = string.Empty;
+        public DateTime BirthDate { get; set; }
+        public string Address { get; set; } = string.Empty;
+
+        // Связь с сотрудниками
+        public List<Employee>? Employees { get; set; }
+    }
+}

EmployeeManagmentDataModels/Models/Salary.cs

@@ -0,0 +1,22 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace EmployeeManagmentDataModels.Models
+{
+    public class Salary
+    {
+        public int Id { get; set; }
+        public int CountHours { get; set; }
+        public decimal PriceHour { get; set; }
+        public decimal Premium { get; set; }
+        public DateTime Date { get; set; }
+        public bool Passed { get; set; }
+        public int EmployeeId { get; set; }
+
+        // Связь с сотрудником
+        public Employee? Employee { get; set; }
+    }
+}

EmployeeManagmentDataModels/Models/Vacation.cs

@@ -0,0 +1,21 @@
+using EmployeeManagmentDataModels.Enums;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace EmployeeManagmentDataModels.Models
+{
+    public class Vacation
+    {
+        public int Id { get; set; }
+        public DateTime StartData { get; set; }
+        public DateTime EndData { get; set; }
+        public VacationStatus Passed { get; set; }
+        public int EmployeeId { get; set; }
+
+        // Связь с сотрудником
+        public Employee? Employee { get; set; }
+    }
+}

EmployeeManagmentView/MainWindow.xaml

@@ -3,10 +3,31 @@
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
         xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
-        xmlns:local="clr-namespace:EmployeeManagmentView"
         mc:Ignorable="d"
-        Title="MainWindow" Height="450" Width="800">
+        Title="Employee Management System"
+        Height="450" Width="800">
     <Grid>
+        <StackPanel>
+            <TextBlock Text="Система управления сотрудниками" 
+                       FontSize="24" 
+                       FontWeight="Bold" 
+                       Margin="10"/>
 
+            <Button Content="Просмотр сотрудников" 
+                    Width="200" 
+                    Height="40" 
+                    Margin="10" 
+                    Click="ViewEmployees_Click"/>
+            <Button Content="Управление зарплатами" 
+                    Width="200" 
+                    Height="40" 
+                    Margin="10" 
+                    Click="ManageSalaries_Click"/>
+            <Button Content="Управление отпусками" 
+                    Width="200" 
+                    Height="40" 
+                    Margin="10" 
+                    Click="ManageVacations_Click"/>
+        </StackPanel>
     </Grid>
 </Window>

EmployeeManagmentView/MainWindow.xaml.cs

@@ -20,5 +20,26 @@ namespace EmployeeManagmentView
         {
             InitializeComponent();
         }
+
+        private void ViewEmployees_Click(object sender, RoutedEventArgs e)
+        {
+            // Логика для открытия окна просмотра сотрудников
+            var employeesWindow = new EmployeesWindow();
+            employeesWindow.Show();
+        }
+
+        private void ManageSalaries_Click(object sender, RoutedEventArgs e)
+        {
+            // Логика для открытия окна управления зарплатами
+            var salariesWindow = new SalariesWindow();
+            salariesWindow.Show();
+        }
+
+        private void ManageVacations_Click(object sender, RoutedEventArgs e)
+        {
+            // Логика для открытия окна управления отпусками
+            var vacationsWindow = new VacationsWindow();
+            vacationsWindow.Show();
+        }
     }
 }