PIbd-21_Putincev_D.M._FoodO.../FoodOrders/FoodOrdersDatabaseImplement/Implemets/ImplementerStorage.cs

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using FoodOrdersContracts.BindingModels;
using FoodOrdersContracts.SearchModels;
using FoodOrdersContracts.StoragesContracts;
using FoodOrdersContracts.ViewModels;
using FoodOrdersDatabaseImplement.Models;
namespace FoodOrdersDatabaseImplement.Implements
{
public class ImplementerStorage : IImplementerStorage
{
public List<ImplementerViewModel> GetFullList()
{
using var context = new FoodOrdersDatabase();
return context.Implementers
.Select(x => x.GetViewModel)
.ToList();
}
public List<ImplementerViewModel> GetFilteredList(ImplementerSearchModel model)
{
if (string.IsNullOrEmpty(model.ImplementerFIO))
{
return new();
}
using var context = new FoodOrdersDatabase();
return context.Implementers
.Where(x => x.ImplementerFIO.Contains(model.ImplementerFIO))
.Select(x => x.GetViewModel)
.ToList();
}
public ImplementerViewModel? GetElement(ImplementerSearchModel model)
{
if (string.IsNullOrEmpty(model.ImplementerFIO) && string.IsNullOrEmpty(model.Password) && !model.Id.HasValue)
{
return null;
}
using var context = new FoodOrdersDatabase();
return context.Implementers
.FirstOrDefault(x =>
(!string.IsNullOrEmpty(model.ImplementerFIO) && x.ImplementerFIO == model.ImplementerFIO
&& (string.IsNullOrEmpty(model.Password) || x.Password == model.Password))
|| (model.Id.HasValue && x.Id == model.Id))
?.GetViewModel;
}
public ImplementerViewModel? Insert(ImplementerBindingModel model)
{
var newImplementer = Implementer.Create(model);
if (newImplementer == null)
{
return null;
}
using var context = new FoodOrdersDatabase();
context.Implementers.Add(newImplementer);
context.SaveChanges();
return newImplementer.GetViewModel;
}
public ImplementerViewModel? Update(ImplementerBindingModel model)
{
using var context = new FoodOrdersDatabase();
var implementer = context.Implementers.FirstOrDefault(x => x.Id == model.Id);
if (implementer == null)
{
return null;
}
implementer.Update(model);
context.SaveChanges();
return implementer.GetViewModel;
}
public ImplementerViewModel? Delete(ImplementerBindingModel model)
{
using var context = new FoodOrdersDatabase();
var element = context.Implementers.FirstOrDefault(x => x.Id == model.Id);
if (element != null)
{
context.Implementers.Remove(element);
context.SaveChanges();
return element.GetViewModel;
}
return null;
}
}
}