PIbd-21_Bakalskaya_E.D._Sus.../SushiBarBusinessLogic/OrderLogic.cs

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C#
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using SushiBarContracts.BindingModel;
using SushiBarContracts.BusinessLogicsContracts;
using SushiBarContracts.SearchModel;
using SushiBarContracts.StoragesContracts;
using SushiBarContracts.ViewModels;
using Microsoft.Extensions.Logging;
using SushiBarDataModels.Enums;
using System.Xml.Linq;
namespace SushiBarBusinessLogic.BusinessLogic
{
public class OrderLogic : IOrderLogic
{
private readonly ILogger _logger;
private readonly IOrderStorage _orderStorage;
static readonly object blocking = new object();
public OrderLogic(ILogger<OrderLogic> logger, IOrderStorage orderStorage)
{
_logger = logger;
_orderStorage = orderStorage;
}
public OrderViewModel? ReadElement(OrderSearchModel model)
{
if (model == null)
{
throw new ArgumentNullException(nameof(model));
}
_logger.LogInformation("ReadElement. Id:{Id}", model.Id);
var elem = _orderStorage.GetElement(model);
if (elem == null)
{
_logger.LogWarning("ReadElement element not found");
return null;
}
_logger.LogInformation("ReadElement found. Id:{Id}", elem.Id);
return elem;
}
public List<OrderViewModel>? ReadList(OrderSearchModel? model)
{
_logger.LogInformation("ReadList. Id:{ 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;
}
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;
}
public bool TakeOrderInWork(OrderBindingModel model)
{
lock (blocking)
{
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 bool ChangeStatus(OrderBindingModel model, OrderStatus orderStatus)
{
CheckModel(model, false);
var order = _orderStorage.GetElement(new OrderSearchModel { Id = model.Id });
if (order.ImplementerId.HasValue)
model.ImplementerId = order.ImplementerId;
if (order == null)
{
_logger.LogWarning("Change status operation failed. Order not found");
return false;
}
if (order.Status + 1 != orderStatus)
{
_logger.LogWarning("Change status operation failed. Incorrect new status: {orderStatus}. Current status: {Status}",
orderStatus, order.Status);
return false;
}
model.Status = orderStatus;
if (model.Status == OrderStatus.Готов)
{
model.DateImplement = DateTime.Now;
}
else
{
model.DateImplement = order.DateImplement;
}
if (_orderStorage.Update(model) == null)
{
_logger.LogWarning("Change status operation failed");
return false;
}
return true;
}
private void CheckModel(OrderBindingModel model, bool withParams = true)
{
if (model == null)
throw new ArgumentNullException(nameof(model));
if (!withParams) return;
if (model.SushiId <= 0)
throw new ArgumentNullException("Неверный идентификатор суши", nameof(model.SushiId));
if (model.Count <= 0)
throw new ArgumentNullException("Количество суш в заказе не может быть меньше нуля или равно нулю", nameof(model.Count));
if (model.Sum <= 0)
throw new ArgumentNullException("Стоимость заказа не может быть меньше нуля", nameof(model.Sum));
if (model.DateImplement.HasValue && model.DateImplement < model.DateCreate)
throw new ArithmeticException("Заказ должен быть выдан позже, чем был создан");
_logger.LogInformation("Sushi. SushiId:{SushiId}. Count:{ Count}. Sum:{ Sum}. Id: { Id}",
model.SushiId, model.Count, model.Sum, model.Id);
}
}
}