PIbd-23_Elatomtsev_L.K._Con.../Confectionery/ConfectioneryFileImplement/Implements/PastryStorage.cs

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2024-04-07 09:38:56 +04:00
using ConfectioneryContracts.BindingModels;
using ConfectioneryContracts.SearchModels;
using ConfectioneryContracts.StoragesContracts;
using ConfectioneryContracts.ViewModels;
using ConfectioneryFileImplement.Models;
namespace ConfectioneryFileImplement.Implements
{
public class PastryStorage : IPastryStorage
{
private readonly DataFileSingleton source;
public PastryStorage()
{
source = DataFileSingleton.GetInstance();
}
public List<PastryViewModel> GetFullList()
{
return source.Pastries
.Select(x => x.GetViewModel)
.ToList();
}
public List<PastryViewModel> GetFilteredList(PastrySearchModel model)
{
if (string.IsNullOrEmpty(model.PastryName))
{
return new();
}
return source.Pastries
.Where(x => x.PastryName.Contains(model.PastryName))
.Select(x => x.GetViewModel)
.ToList();
}
public PastryViewModel? GetElement(PastrySearchModel model)
{
if (string.IsNullOrEmpty(model.PastryName) && !model.Id.HasValue)
{
return null;
}
return source.Pastries.FirstOrDefault(x => (!string.IsNullOrEmpty(
model.PastryName) && x.PastryName == model.PastryName) ||
(model.Id.HasValue && x.Id == model.Id))?.GetViewModel;
}
public PastryViewModel? Insert(PastryBindingModel model)
{
model.Id = source.Pastries.Count > 0 ?
source.Pastries.Max(x => x.Id) + 1 : 1;
var newPastry = Pastry.Create(model);
if (newPastry == null)
{
return null;
}
source.Pastries.Add(newPastry);
source.SavePastries();
return newPastry.GetViewModel;
}
public PastryViewModel? Update(PastryBindingModel model)
{
var Pastry = source.Pastries.FirstOrDefault(x => x.Id == model.Id);
if (Pastry == null)
{
return null;
}
Pastry.Update(model);
source.SavePastries();
return Pastry.GetViewModel;
}
public PastryViewModel? Delete(PastryBindingModel model)
{
var Pastry = source.Pastries.FirstOrDefault(x => x.Id == model.Id);
if (Pastry != null)
{
source.Pastries.Remove(Pastry);
source.SavePastries();
return Pastry.GetViewModel;
}
return null;
}
}
}