PIbd-22_Chubykina_P.P._Conf.../Confectionery/ConfectioneryFileImplement/Implements/ComponentStorage.cs

90 lines
2.9 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using ConfectioneryContracts.BindingModels;
using ConfectioneryContracts.SearchModels;
using ConfectioneryContracts.StoragesContracts;
using ConfectioneryContracts.ViewModels;
using ConfectioneryFileImplement.Models;
namespace ConfectioneryFileImplement.Implements
{
public class ComponentStorage : IComponentStorage
{
private readonly DataFileSingleton source;
public ComponentStorage()
{
source = DataFileSingleton.GetInstance();
}
public List<ComponentViewModel> GetFullList()
{
return source.Components
.Select(x => x.GetViewModel)
.ToList();
}
public List<ComponentViewModel> GetFilteredList(ComponentSearchModel model)
{
if (string.IsNullOrEmpty(model.ComponentName))
{
return new();
}
return source.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;
}
return source.Components
.FirstOrDefault(x =>
(!string.IsNullOrEmpty(model.ComponentName) && x.ComponentName ==
model.ComponentName) ||
(model.Id.HasValue && x.Id == model.Id))
?.GetViewModel;
}
public ComponentViewModel? Insert(ComponentBindingModel model)
{
model.Id = source.Components.Count > 0 ? source.Components.Max(x =>
x.Id) + 1 : 1;
var newComponent = Component.Create(model);
if (newComponent == null)
{
return null;
}
source.Components.Add(newComponent);
source.SaveComponents();
return newComponent.GetViewModel;
}
public ComponentViewModel? Update(ComponentBindingModel model)
{
var component = source.Components.FirstOrDefault(x => x.Id ==
model.Id);
if (component == null)
{
return null;
}
component.Update(model);
source.SaveComponents();
return component.GetViewModel;
}
public ComponentViewModel? Delete(ComponentBindingModel model)
{
var element = source.Components.FirstOrDefault(x => x.Id ==
model.Id);
if (element != null)
{
source.Components.Remove(element);
source.SaveComponents();
return element.GetViewModel;
}
return null;
}
}
}