PIbd-23_Nevaeva_K.A._Travel.../TravelCompany/TravelCompanyDatabaseImplement/Implements/ImplementerStorage.cs

105 lines
3.4 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using TravelCompanyContracts.BindingModels;
using TravelCompanyContracts.SearchModels;
using TravelCompanyContracts.StoragesContracts;
using TravelCompanyContracts.ViewModels;
using TravelCompanyDatabaseImplement.Models;
namespace TravelCompanyDatabaseImplement.Implements
{
public class ImplementerStorage : IImplementerStorage
{
public ImplementerViewModel? Delete(ImplementerBindingModel model)
{
using var context = new TravelCompanyDatabase();
var element = context.Implementers.FirstOrDefault(rec => rec.Id == model.Id);
if (element != null)
{
context.Implementers.Remove(element);
context.SaveChanges();
return element.GetViewModel;
}
return null;
}
public ImplementerViewModel? GetElement(ImplementerSearchModel model)
{
if (string.IsNullOrEmpty(model.ImplementerFIO) &&
!model.Id.HasValue && string.IsNullOrEmpty(model.Password))
{
return null;
}
using var context = new TravelCompanyDatabase();
if (model.Id.HasValue)
{
return context.Implementers
.FirstOrDefault(x => model.Id.HasValue && x.Id == model.Id)?.GetViewModel;
}
if (model.ImplementerFIO != null && model.Password != null)
{
return context.Implementers
.FirstOrDefault(x =>
x.ImplementerFIO.Equals(model.ImplementerFIO) &&
x.Password.Equals(model.Password))
?.GetViewModel;
}
return context.Implementers
.FirstOrDefault(x =>
x.ImplementerFIO.Equals(model.ImplementerFIO))
?.GetViewModel;
}
public List<ImplementerViewModel> GetFilteredList(ImplementerSearchModel model)
{
if (string.IsNullOrEmpty(model.ImplementerFIO))
{
return new();
}
using var context = new TravelCompanyDatabase();
return context.Implementers
.Where(x => x.ImplementerFIO.Equals(model.ImplementerFIO))
.Select(x => x.GetViewModel)
.ToList();
}
public List<ImplementerViewModel> GetFullList()
{
using var context = new TravelCompanyDatabase();
return context.Implementers
.Select(x => x.GetViewModel)
.ToList();
}
public ImplementerViewModel? Insert(ImplementerBindingModel model)
{
var newImplementer = Implementer.Create(model);
if (newImplementer == null)
{
return null;
}
using var context = new TravelCompanyDatabase();
context.Implementers.Add(newImplementer);
context.SaveChanges();
return newImplementer.GetViewModel;
}
public ImplementerViewModel? Update(ImplementerBindingModel model)
{
using var context = new TravelCompanyDatabase();
var implementer = context.Implementers.FirstOrDefault(x => x.Id == model.Id);
if (implementer == null)
{
return null;
}
implementer.Update(model);
context.SaveChanges();
return implementer.GetViewModel;
}
}
}