ISEbd-21_Rozhkova_D.S._ProjectAirline/ProjectAirline/Repositories/Implementations/EmployeeRepository.cs

using System.Collections.Generic;
using System.Linq;
using YourNamespace.Entities;
using YourNamespace.Repositories;

namespace YourNamespace.Repositories.Implementations
{
    public class EmployeeRepository : IEmployeeRepository
    {
        private readonly List<Employee> _employees = new List<Employee>();
        private int _nextId = 1;

        public IEnumerable<Employee> ReadEmployees()
        {
            return _employees;
        }

        public Employee ReadEmployeeById(int id)
        {
            return _employees.FirstOrDefault(e => e.Id == id);
        }

        public void CreateEmployee(Employee employee)
        {
            var newEmployee = Employee.CreateEntity(_nextId++, employee.FirstName, employee.LastName, employee.EmployeePost);
            _employees.Add(newEmployee);
        }

        public void UpdateEmployee(Employee employee)
        {
            var existingEmployee = _employees.FirstOrDefault(e => e.Id == employee.Id);
            if (existingEmployee != null)
            {
                var updatedEmployee = Employee.CreateEntity(existingEmployee.Id, employee.FirstName, employee.LastName, employee.EmployeePost);
                _employees.Remove(existingEmployee);
                _employees.Add(updatedEmployee);
            }
        }

        public void DeleteEmployee(int id)
        {
            var employeeToRemove = _employees.FirstOrDefault(e => e.Id == id);
            if (employeeToRemove != null)
            {
                _employees.Remove(employeeToRemove);
            }
        }
    }
}