PIbd-22_Bondarenko_M.S_SUBD/PersonnelDepartmentView/PersonnelDepartmentDatabaseImplement/Implements/EmployeeStorage.cs

90 lines
2.7 KiB
C#

using PersonnelDepartmentContracts.BindingModels;
using PersonnelDepartmentContracts.SearchModels;
using PersonnelDepartmentContracts.StoragesContracts;
using PersonnelDepartmentContracts.ViewModels;
using PersonnelDepartmentDatabaseImplement.Models;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace PersonnelDepartmentDatabaseImplement.Implements
{
public class EmployeeStorage : IEmployeeStorage
{
public EmployeeViewModel? Delete(EmployeeBindingModel model)
{
using var context = new PersonnelDepartmentDatabase();
var element = context.Employees
.FirstOrDefault(x => x.Id == model.Id);
if (element == null)
{
return null;
}
context.Employees.Remove(element);
return element.GetViewModel;
}
public EmployeeViewModel? GetElement(EmployeeSearchModel model)
{
if (!model.Id.HasValue)
{
return null;
}
using var context = new PersonnelDepartmentDatabase();
return context.Employees
.FirstOrDefault(x => (model.Id.HasValue && x.Id == model.Id) ||
(!string.IsNullOrEmpty(model.FirstName) && x.FirstName == model.FirstName) ||
(!string.IsNullOrEmpty(model.LastName) && x.LastName == model.LastName) ||
(!string.IsNullOrEmpty(model.Patronymic) && x.Patronymic == model.Patronymic))?.GetViewModel;
}
public List<EmployeeViewModel> GetFilteredList(EmployeeSearchModel model)
{
using var context = new PersonnelDepartmentDatabase();
return context.Employees
.Where(x => (model.Id.HasValue && x.Id == model.Id) ||
(!string.IsNullOrEmpty(model.FirstName) && x.FirstName == model.FirstName) ||
(!string.IsNullOrEmpty(model.LastName) && x.LastName == model.LastName) ||
(!string.IsNullOrEmpty(model.Patronymic) && x.Patronymic == model.Patronymic))
.Select(x => x.GetViewModel).ToList();
}
public List<EmployeeViewModel> GetFullList()
{
using var context = new PersonnelDepartmentDatabase();
return context.Employees
.Select(x => x.GetViewModel)
.ToList();
}
public EmployeeViewModel? Insert(EmployeeBindingModel model)
{
var newElement = Employee.Create(model);
if (newElement == null)
{
return null;
}
using var context = new PersonnelDepartmentDatabase();
context.Employees.Add(newElement);
context.SaveChanges();
return newElement.GetViewModel;
}
public EmployeeViewModel? Update(EmployeeBindingModel model)
{
using var context = new PersonnelDepartmentDatabase();
var element = context.Employees
.FirstOrDefault(x => x.Id == model.Id);
if (element == null)
{
return null;
}
element.Update(model);
context.SaveChanges();
return element.GetViewModel;
}
}
}