PIbd-22_Kaznacheeva.E.K._So.../SoftwareInstallation/SoftwareInstallationFileImplement/PackageStorage.cs
2024-03-13 08:34:03 +04:00

94 lines
2.7 KiB
C#

using SoftwareInstallationContracts.BindingModels;
using SoftwareInstallationContracts.SearchModels;
using SoftwareInstallationContracts.StoragesContracts;
using SoftwareInstallationContracts.ViewModels;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace SoftwareInstallationFileImplement
{
public class PackageStorage : IPackageStorage
{
private readonly DataFileSingleton source;
public PackageStorage()
{
source = DataFileSingleton.GetInstance();
}
public PackageViewModel? Delete(PackageBindingModel model)
{
var element = source.Packages.FirstOrDefault(x => x.Id == model.Id);
if (element != null)
{
source.Packages.Remove(element);
source.SavePackages();
return element.GetViewModel;
}
return null;
}
public PackageViewModel? GetElement(PackageSearchModel model)
{
if (string.IsNullOrEmpty(model.PackageName) && !model.Id.HasValue)
{
return null;
}
return source.Packages.FirstOrDefault(x => (!string.IsNullOrEmpty(model.PackageName) && x.PackageName == model.PackageName) || (model.Id.HasValue && x.Id == model.Id))?.GetViewModel;
}
public List<PackageViewModel> GetFilteredList(PackageSearchModel model)
{
if (string.IsNullOrEmpty(model.PackageName))
{
return new();
}
return source.Packages.Where(x => x.PackageName.Contains(model.PackageName)).Select(x => x.GetViewModel).ToList();
}
public List<PackageViewModel> GetFullList()
{
return source.Packages.Select(x => x.GetViewModel).ToList();
}
public PackageViewModel? Insert(PackageBindingModel model)
{
model.Id = source.Packages.Count > 0 ? source.Packages.Max(x => x.Id) + 1 : 1;
var newPackage = Package.Create(model);
if (newPackage == null)
{
return null;
}
source.Packages.Add(newPackage);
source.SavePackages();
return newPackage.GetViewModel;
}
public PackageViewModel? Update(PackageBindingModel model)
{
var package = source.Packages.FirstOrDefault(x => x.Id == model.Id);
if (package == null)
{
return null;
}
package.Update(model);
source.SavePackages();
return package.GetViewModel;
}
}
}