10Г Егор Романов 5484053505 lab7 done?
2023-05-02 11:03:29 +04:00

85 lines
2.6 KiB
C#

using SecuritySystemContracts.BindingModels;
using SecuritySystemContracts.SearchModels;
using SecuritySystemContracts.StorageContracts;
using SecuritySystemContracts.ViewModels;
using SecuritySystemDatabaseImplement.Models;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace SecuritySystemDatabaseImplement.Implements
{
public class ImplementerStorage : IImplementerStorage
{
public List<ImplementerViewModel> GetFullList()
{
using var context = new SecuritySystemDatabase();
return context.Implementers
.Select(x => x.GetViewModel)
.ToList();
}
public List<ImplementerViewModel> GetFilteredList(ImplementerSearchModel model)
{
using var context = new SecuritySystemDatabase();
return context.Implementers
.Select(x => x.GetViewModel)
.ToList();
}
public ImplementerViewModel? GetElement(ImplementerSearchModel model)
{
if (string.IsNullOrEmpty(model.ImplementerFIO) && !model.Id.HasValue)
{
return null;
}
using var context = new SecuritySystemDatabase();
return context.Implementers
.FirstOrDefault(x => (!string.IsNullOrEmpty(model.ImplementerFIO) && x.ImplementerFIO == model.ImplementerFIO)
|| (model.Id.HasValue && x.Id == model.Id))
?.GetViewModel;
}
public ImplementerViewModel? Insert(ImplementerBindingModel model)
{
var newImplementer = Implementer.Create(model);
if (newImplementer == null)
{
return null;
}
using var context = new SecuritySystemDatabase();
context.Implementers.Add(newImplementer);
context.SaveChanges();
return context.Implementers
.FirstOrDefault(x => x.Id == newImplementer.Id)
?.GetViewModel;
}
public ImplementerViewModel? Update(ImplementerBindingModel model)
{
using var context = new SecuritySystemDatabase();
var implementer = context.Implementers.FirstOrDefault(x => x.Id == model.Id);
if (implementer == null)
{
return null;
}
implementer.Update(model);
context.SaveChanges();
return context.Implementers
.FirstOrDefault(x => x.Id == model.Id)
?.GetViewModel;
}
public ImplementerViewModel? Delete(ImplementerBindingModel model)
{
using var context = new SecuritySystemDatabase();
var implementer = context.Implementers
.FirstOrDefault(rec => rec.Id == model.Id);
if (implementer != null)
{
context.Implementers.Remove(implementer);
context.SaveChanges();
return implementer.GetViewModel;
}
return null;
}
}
}