ISEbd-22_Baygulov_A.A._Sush.../SushiBar/SushiBarFileImplement/ClientStorage.cs

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using SushiBarContracts.BindingModels;
using SushiBarContracts.SearchModels;
using SushiBarContracts.StoragesContracts;
using SushiBarContracts.ViewModels;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace SushiBarFileImplement
{
public class ClientStorage : IClientStorage
{
private readonly DataFileSingleton source;
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public ClientStorage()
{
source = DataFileSingleton.GetInstance();
}
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public List<ClientViewModel> GetFullList()
{
return source.Clients.Select(x => x.GetViewModel).ToList();
}
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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();
}
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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;
}
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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 ingredient = source.Clients.FirstOrDefault(x => x.Id == model.Id);
if (ingredient == null)
{
return null;
}
ingredient.Update(model);
source.SaveClients();
return ingredient.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;
}
}
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}