73 lines
2.6 KiB
C#

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 List<ClientViewModel> GetFullList()
{
return _source.Clients.Select(x => x.GetViewModel).ToList();
}
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();
}
//FirstOrDefault выбирается первый или ничего, то есть вернёт первое совпадение или null
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 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 component = _source.Clients.FirstOrDefault(x => x.Id == model.Id);
if (component == null)
{
return null;
}
component.Update(model);
_source.SaveClients();
return component.GetViewModel;
}
public ClientViewModel? Delete(ClientBindingModel model)
{
var element = _source.Clients.FirstOrDefault(x => x.Id == model.Id);
if (element != null)
{
_source.Clients.Remove(element);
_source.SaveClients();
return element.GetViewModel;
}
return null;
}
}
}