PIbd-23-Radaev-A.V.-GiftShop/GiftShop/GiftShopDatabaseImplement/Implements/GiftStorage.cs

108 lines
3.5 KiB
C#
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2024-04-07 10:15:40 +04:00
using GiftShopContracts.BindingModels;
using GiftShopContracts.SearchModels;
using GiftShopContracts.StoragesContracts;
using GiftShopContracts.ViewModels;
using GiftShopDatabaseImplement.Models;
using Microsoft.EntityFrameworkCore;
namespace GiftShopDatabaseImplement.Implements
{
public class GiftStorage : IGiftStorage
{
public List<GiftViewModel> GetFullList()
{
using var context = new GiftShopDatabase();
return context.Gifts
.Include(x => x.Components)
.ThenInclude(x => x.Component)
.ToList()
.Select(x => x.GetViewModel)
.ToList();
}
public List<GiftViewModel> GetFilteredList(GiftSearchModel model)
{
if (string.IsNullOrEmpty(model.GiftName))
{
return new();
}
using var context = new GiftShopDatabase();
return context.Gifts
.Include(x => x.Components)
.ThenInclude(x => x.Component)
.Where(x => x.GiftName.Contains(model.GiftName))
.ToList()
.Select(x => x.GetViewModel)
.ToList();
}
public GiftViewModel? GetElement(GiftSearchModel model)
{
if (string.IsNullOrEmpty(model.GiftName) &&
!model.Id.HasValue)
{
return null;
}
using var context = new GiftShopDatabase();
return context.Gifts
.Include(x => x.Components)
.ThenInclude(x => x.Component)
.FirstOrDefault(x => (!string.IsNullOrEmpty(model.GiftName) &&
x.GiftName == model.GiftName) || (model.Id.HasValue && x.Id == model.Id))
?.GetViewModel;
}
public GiftViewModel? Insert(GiftBindingModel model)
{
using var context = new GiftShopDatabase();
var newGift = Gift.Create(context, model);
if (newGift == null)
{
return null;
}
context.Gifts.Add(newGift);
context.SaveChanges();
return newGift.GetViewModel;
}
public GiftViewModel? Update(GiftBindingModel model)
{
using var context = new GiftShopDatabase();
using var transaction = context.Database.BeginTransaction();
try
{
var gift = context.Gifts.FirstOrDefault(rec => rec.Id == model.Id);
if (gift == null)
{
return null;
}
gift.Update(model);
context.SaveChanges();
gift.UpdateComponents(context, model);
transaction.Commit();
return gift.GetViewModel;
}
catch
{
transaction.Rollback();
throw;
}
}
public GiftViewModel? Delete(GiftBindingModel model)
{
using var context = new GiftShopDatabase();
var element = context.Gifts
.Include(x => x.Components)
.FirstOrDefault(rec => rec.Id == model.Id);
if (element != null)
{
context.Gifts.Remove(element);
context.SaveChanges();
return element.GetViewModel;
}
return null;
}
}
}