PIbd-22_Safiulova_K.N._Airc.../AircraftPlant/AircraftPlantFileImplement/ImplementerStorage.cs

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3.2 KiB
C#
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2024-05-06 21:14:20 +04:00
using AircraftPlantContracts.BindingModels;
using AircraftPlantContracts.SearchModels;
using AircraftPlantContracts.StoragesContracts;
using AircraftPlantContracts.ViewModels;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace AircraftPlantFileImplement
{
public class ImplementerStorage : IImplementerStorage
{
private readonly DataFileSingleton _source;
public ImplementerStorage()
{
_source = DataFileSingleton.GetInstance();
}
public List<ImplementerViewModel> GetFullList()
{
return _source.Implementers
.Select(x => x.GetViewModel)
.ToList();
}
public List<ImplementerViewModel> GetFilteredList(ImplementerSearchModel model)
{
if (string.IsNullOrEmpty(model.ImplementerFIO))
{
return new();
}
return _source.Implementers
.Where(x => x.ImplementerFIO.Contains(model.ImplementerFIO))
.Select(x => x.GetViewModel)
.ToList();
}
public ImplementerViewModel? GetElement(ImplementerSearchModel model)
{
if (!string.IsNullOrEmpty(model.ImplementerFIO) || model.Id.HasValue)
{
return _source.Implementers.FirstOrDefault(x =>
(!string.IsNullOrEmpty(model.ImplementerFIO) && x.ImplementerFIO == model.ImplementerFIO) ||
(model.Id.HasValue && x.Id == model.Id))?.GetViewModel;
}
else if (!string.IsNullOrEmpty(model.ImplementerFIO) && !string.IsNullOrEmpty(model.Password))
return _source.Implementers.FirstOrDefault(x =>
x.ImplementerFIO == model.ImplementerFIO && x.Password == model.Password)?.GetViewModel;
return null;
}
public ImplementerViewModel? Insert(ImplementerBindingModel model)
{
model.Id = _source.Implementers.Count > 0 ? _source.Implementers.Max(x => x.Id) + 1 : 1;
var newImplementer = Implementer.Create(model);
if (newImplementer == null)
{
return null;
}
_source.Implementers.Add(newImplementer);
_source.SaveImplementers();
return newImplementer.GetViewModel;
}
public ImplementerViewModel? Update(ImplementerBindingModel model)
{
var implementer = _source.Implementers.FirstOrDefault(x => x.Id == model.Id);
if (implementer == null)
{
return null;
}
implementer.Update(model);
_source.SaveImplementers();
return implementer.GetViewModel;
}
public ImplementerViewModel? Delete(ImplementerBindingModel model)
{
var element = _source.Implementers.FirstOrDefault(x => x.Id == model.Id);
if (element != null)
{
_source.Implementers.Remove(element);
_source.SaveImplementers();
return element.GetViewModel;
}
return null;
}
}
}