PIbd-21_Barsukov_P.O._Compu.../ComputersShop/ComputersShopBusinessLogic/BusinessLogics/OrderLogic.cs

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C#
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using ComputersShopContracts.BindingModels;
using ComputersShopContracts.BuisnessLogicsContracts;
using ComputersShopContracts.SearchModels;
using ComputersShopContracts.StoragesContracts;
using ComputersShopContracts.ViewModels;
using ComputersShopDataModels.Enums;
using Microsoft.Extensions.Logging;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace ComputersShopBusinessLogic.BusinessLogics
{
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. Id:{Id}", model?.Id);
var list = model == null ? _orderStorage.GetFullList() : _orderStorage.GetFiltredList(model);
if (list == null)
{
_logger.LogWarning("ReadList return null list");
return null;
}
_logger.LogInformation("ReadList. Count:{Count}", list.Count);
return list;
}
public bool CreateOrder(OrderBindingModel model)
{
CheckModel(model);
if (model.Status != OrderStatus.Неизвестен)
{
_logger.LogWarning("Wrong order status. Insert operation failed");
return false;
}
model.Status = OrderStatus.Принят;
if (_orderStorage.Insert(model) == null)
{
_logger.LogWarning("Insert operation failed");
return false;
}
return true;
}
public bool ChangeStatus(OrderBindingModel model, OrderStatus newStatus)
{
var viewModel = _orderStorage.GetElement(new OrderSearchModel { Id = model.Id });
if (viewModel == null)
{
throw new ArgumentNullException(nameof(viewModel));
}
if (viewModel.Status + 1 != newStatus)
{
_logger.LogWarning("Status change operation failed");
return false;
}
model.Status = newStatus;
model.ComputerId = viewModel.ComputerId;
model.Count = viewModel.Count;
model.Sum = viewModel.Sum;
model.DateCreate = viewModel.DateCreate;
if (model.Status == OrderStatus.Готов)
{
model.DateImplement = DateTime.Now;
}
else
{
model.DateImplement = viewModel.DateImplement;
}
CheckModel(model, false);
if (_orderStorage.Update(model) == null)
{
_logger.LogWarning("Status change operation failed");
return false;
}
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);
}
private void CheckModel(OrderBindingModel model, bool withParams = true)
{
if (model == null)
{
throw new ArgumentNullException(nameof(model));
}
if (!withParams)
{
return;
}
if (model.Sum <= 0)
{
throw new ArgumentNullException("Цена должна быть больше 0", nameof(model.Sum));
}
if (model.Count <= 0)
{
throw new ArgumentNullException("Количество изделий должно быть больше 0", nameof(model.Count));
}
if (model.DateImplement != null && model.DateImplement < model.DateCreate)
{
throw new ArithmeticException("Дата завершения не может быть раньше даты начала");
}
_logger.LogInformation("Order. Id:{Id}. Sum:{Sum}. ComputerId:{ComputerId}", model.Id, model.Sum, model.ComputerId);
}
}
}