PIbd-23-Volkov-N.A.-Compute.../ComputersShop/ComputersShopListImplement/Implements/ComputerStorage.cs
2024-02-05 20:36:39 +04:00

107 lines
3.4 KiB
C#

using ComputersShopContracts.BindingModels;
using ComputersShopContracts.SearchModels;
using ComputersShopContracts.StoragesContracts;
using ComputersShopContracts.ViewModels;
using ComputersShopListImplement.Models;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace ComputersShopListImplement.Implements
{
public class ComputerStorage : IComputerStorage
{
private readonly DataListSingleton _source;
public ComputerStorage()
{
_source = DataListSingleton.GetInstance();
}
public List<ComputerViewModel> GetFullList()
{
var result = new List<ComputerViewModel>();
foreach (var Computer in _source.Computers)
{
result.Add(Computer.GetViewModel);
}
return result;
}
public List<ComputerViewModel> GetFilteredList(ComputerSearchModel model)
{
var result = new List<ComputerViewModel>();
if (string.IsNullOrEmpty(model.ComputerName))
{
return result;
}
foreach (var Computer in _source.Computers)
{
if (Computer.ComputerName.Contains(model.ComputerName))
{
result.Add(Computer.GetViewModel);
}
}
return result;
}
public ComputerViewModel? GetElement(ComputerSearchModel model)
{
if (string.IsNullOrEmpty(model.ComputerName) && !model.Id.HasValue)
{
return null;
}
foreach (var Computer in _source.Computers)
{
if ((!string.IsNullOrEmpty(model.ComputerName) && Computer.ComputerName == model.ComputerName) ||
(model.Id.HasValue && Computer.Id == model.Id))
{
return Computer.GetViewModel;
}
}
return null;
}
public ComputerViewModel? Insert(ComputerBindingModel model)
{
model.Id = 1;
foreach (var Computer in _source.Computers)
{
if (model.Id <= Computer.Id)
{
model.Id = Computer.Id + 1;
}
}
var newComputer = Computer.Create(model);
if (newComputer == null)
{
return null;
}
_source.Computers.Add(newComputer);
return newComputer.GetViewModel;
}
public ComputerViewModel? Update(ComputerBindingModel model)
{
foreach (var Computer in _source.Computers)
{
if (Computer.Id == model.Id)
{
Computer.Update(model);
return Computer.GetViewModel;
}
}
return null;
}
public ComputerViewModel? Delete(ComputerBindingModel model)
{
for (int i = 0; i < _source.Computers.Count; ++i)
{
if (_source.Computers[i].Id == model.Id)
{
var element = _source.Computers[i];
_source.Computers.RemoveAt(i);
return element.GetViewModel;
}
}
return null;
}
}
}