PIbd-22_Kaznacheeva.E.K._So.../SoftwareInstallation/SoftwareInstallationDatabaseImplement/OrderStorage.cs

83 lines
2.6 KiB
C#

using Microsoft.EntityFrameworkCore;
using SoftwareInstallationContracts.BindingModels;
using SoftwareInstallationContracts.SearchModels;
using SoftwareInstallationContracts.StoragesContracts;
using SoftwareInstallationContracts.ViewModels;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace SoftwareInstallationDatabaseImplement
{
public class OrderStorage : IOrderStorage
{
public OrderViewModel? Delete(OrderBindingModel model)
{
using var context = new SoftwareInstallationDatabase();
var element = context.Orders.FirstOrDefault(x => x.Id == model.Id);
if (element != null)
{
context.Orders.Remove(element);
context.SaveChanges();
return element.GetViewModel;
}
return null;
}
public OrderViewModel? GetElement(OrderSearchModel model)
{
using var context = new SoftwareInstallationDatabase();
if (!model.Id.HasValue)
{
return null;
}
return context.Orders
.Include(x => x.Package)
.FirstOrDefault(x => model.Id.HasValue && x.Id == model.Id)?.GetViewModel;
}
public List<OrderViewModel> GetFilteredList(OrderSearchModel model)
{
var result = GetElement(model);
return result != null ? new() { result } : new();
}
public List<OrderViewModel> GetFullList()
{
using var context = new SoftwareInstallationDatabase();
return context.Orders
.Include(x => x.Package)
.Select(x => x.GetViewModel)
.ToList();
}
public OrderViewModel? Insert(OrderBindingModel model)
{
var newOrder = Order.Create(model);
if (newOrder == null)
{
return null;
}
using var context = new SoftwareInstallationDatabase();
context.Orders.Add(newOrder);
context.SaveChanges();
return newOrder.GetViewModel;
}
public OrderViewModel? Update(OrderBindingModel model)
{
using var context = new SoftwareInstallationDatabase();
var order = context.Orders.Include(x => x.Package).FirstOrDefault(x => x.Id == model.Id);
if (order == null)
{
return null;
}
order.Update(model);
context.SaveChanges();
return order.GetViewModel;
}
}
}