PIbd22_Kuznetsov_A.V._Sewin.../SewingDresses/SewingDressesBusinessLogic/BusinessLogic/OrderLogic.cs

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C#
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using Microsoft.Extensions.Logging;
using SewingDressesContracts.BindingModels;
using SewingDressesContracts.BusinessLogicsContracts;
using SewingDressesContracts.SearchModels;
using SewingDressesContracts.StoragesContracts;
using SewingDressesContracts.ViewModels;
using SewingDressesDataModels.Enums;
namespace SewingDressesBusinessLogic.BusinessLogic
{
public class OrderLogic : IOrderLogic
{
private readonly ILogger _logger;
private readonly IOrderStorage _orderStorage;
public OrderLogic(ILogger<OrderLogic> logger, IOrderStorage orderStorage)
{
_logger = logger;
_orderStorage = orderStorage;
}
public List<OrderViewModel>? ReadList(OrderSearchModel? model)
{
_logger.LogInformation("ReadList. OrderId:{Id}", model?.Id);
var list = model == null ? _orderStorage.GetFullList() : _orderStorage.GetFilteredList(model);
if (list == null)
{
_logger.LogWarning("ReadList return null list");
return null;
}
_logger.LogInformation("ReadList. Count:{Count}", list.Count);
return list;
}
private void CheckModel(OrderBindingModel model)
{
if (model == null)
{
throw new ArgumentNullException(nameof(model));
}
if (model.Count <= 0)
{
throw new ArgumentNullException("Количество заказов должно быть больше нуля");
}
if (model.Sum <= 0)
{
throw new ArgumentNullException("Цена заказа должна быть больше нуля");
}
_logger.LogInformation("Order. OrderId:{Id}. Sum:{Sum}", model.Id, model.Sum);
}
public bool CreateOrder(OrderBindingModel model)
{
CheckModel(model);
if (model.Status != OrderStatus.Неизвестен)
{
return false;
}
model.Status = OrderStatus.Принят;
if (_orderStorage.Insert(model) == null)
{
_logger.LogWarning("Insert operation failed");
return false;
}
return true;
}
private bool ChangeStatus(OrderBindingModel model, OrderStatus status)
{
var element = _orderStorage.GetElement(new OrderSearchModel { Id = model.Id });
if (element == null)
{
_logger.LogWarning("Find order failed");
return false;
}
if (element.Status != status-1)
{
_logger.LogWarning("Status change failed");
throw new InvalidOperationException("Невозможно перевести состояние заказа");
}
model.Status = status;
if (model.Status == OrderStatus.Выдан) model.DateImplement = DateTime.Now;
_orderStorage.Update(model);
return true;
}
public bool TakeOrderInWork(OrderBindingModel model)
{
return ChangeStatus(model, OrderStatus.Выполняется);
}
public bool FinishOrder(OrderBindingModel model)
{
return ChangeStatus(model, OrderStatus.Готов);
}
public bool DeliveryOrder(OrderBindingModel model)
{
return ChangeStatus(model, OrderStatus.Выдан);
}
}
}