PIbd22_Kuznetsov_A.V._Sewin.../SewingDresses/SewingDressesDatabaseImplement/Implements/ComponentStorage.cs

71 lines
2.7 KiB
C#

using SewingDressesContracts.BindingModels;
using SewingDressesContracts.SearchModels;
using SewingDressesContracts.StoragesContracts;
using SewingDressesContracts.ViewModels;
using SewingDressesDatabaseImplement.Models;
namespace SewingDressesDatabaseImplement.Implements
{
public class ComponentStorage : IComponentStorage
{
public List<ComponentViewModel> GetFullList()
{
using var context = new SewingDressesDatabase();
return context.Components.Select(x => x.GetViewModel).ToList();
}
public List<ComponentViewModel> GetFilteredList(ComponentSearchModel model)
{
if (string.IsNullOrEmpty(model.ComponentName))
{
return new();
}
using var context = new SewingDressesDatabase();
return context.Components.Where(x => x.ComponentName.Contains(model.ComponentName)).Select(x => x.GetViewModel).ToList();
}
public ComponentViewModel? GetElement(ComponentSearchModel model)
{
if (string.IsNullOrEmpty(model.ComponentName) && !model.Id.HasValue)
{
return null;
}
using var context = new SewingDressesDatabase();
return context.Components.FirstOrDefault(x => (!string.IsNullOrEmpty(model.ComponentName) && x.ComponentName == model.ComponentName) || (model.Id.HasValue && x.Id == model.Id))?.GetViewModel;
}
public ComponentViewModel? Insert(ComponentBindingModel model)
{
var newComponent = Component.Create(model);
if (newComponent == null)
{
return null;
}
using var context = new SewingDressesDatabase();
context.Components.Add(newComponent);
context.SaveChanges();
return newComponent.GetViewModel;
}
public ComponentViewModel? Update(ComponentBindingModel model)
{
using var context = new SewingDressesDatabase();
var component = context.Components.FirstOrDefault(x => x.Id == model.Id);
if (component == null)
{
return null;
}
component.Update(model);
context.SaveChanges();
return component.GetViewModel;
}
public ComponentViewModel? Delete(ComponentBindingModel model)
{
using var context = new SewingDressesDatabase();
var element = context.Components.FirstOrDefault(rec => rec.Id == model.Id);
if (element == null )
{
return null;
}
context.Components.Remove(element);
context.SaveChanges();
return element.GetViewModel;
}
}
}