PIbd-21_Putincev_D.M._FoodO.../FoodOrders/FoodOrdersFileImplement/Implements/ClientStorage.cs

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using FoodOrdersContracts.BindingModels;
using FoodOrdersContracts.SearchModels;
using FoodOrdersContracts.StoragesContracts;
using FoodOrdersContracts.ViewModels;
using FoodOrdersFileImplement.Models;
namespace FoodOrdersFileImplement.Implements
{
public class ClientStorage : IClientStorage
{
private readonly DataFileSingleton source;
public ClientStorage()
{
source = DataFileSingleton.GetInstance();
}
public ClientViewModel? GetElement(ClientSearchModel model)
{
if (string.IsNullOrEmpty(model.Email) && !model.Id.HasValue)
{
return null;
}
return source.Clients
.FirstOrDefault(x => (!string.IsNullOrEmpty(model.Email) && x.Email == model.Email) || (model.Id.HasValue && x.Id == model.Id))?.GetViewModel;
}
public List<ClientViewModel> GetFilteredList(ClientSearchModel model)
{
if (string.IsNullOrEmpty(model.Email))
{
return new();
}
return source.Clients
.Where(x => x.Email.Contains(model.Email))
.Select(x => x.GetViewModel)
.ToList();
}
public List<ClientViewModel> GetFullList()
{
return source.Clients.Select(x => x.GetViewModel).ToList();
}
public ClientViewModel? Insert(ClientBindingModel model)
{
model.Id = source.Clients.Count > 0 ? source.Clients.Max(x => x.Id) + 1 : 1;
var newClient = Client.Create(model);
if (newClient == null)
{
return null;
}
source.Clients.Add(newClient);
source.SaveClients();
return newClient.GetViewModel;
}
public ClientViewModel? Update(ClientBindingModel model)
{
var client = source.Clients.FirstOrDefault(x => x.Id == model.Id);
if (client == null)
{
return null;
}
client.Update(model);
source.SaveClients();
return client?.GetViewModel;
}
public ClientViewModel? Delete(ClientBindingModel model)
{
var client = source.Clients.FirstOrDefault(x => x.Id == model.Id);
if (client == null)
{
return null;
}
source.Clients.Remove(client);
source.SaveClients();
return client?.GetViewModel;
}
}
}