PIbd-21_Putincev_D.M._FoodO.../FoodOrders/FoodOrdersBusinessLogic/BusinessLogics/OrderLogic.cs

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using FoodOrdersContracts.BindingModels;
using FoodOrdersContracts.BusinessLogicsContracts;
using FoodOrdersContracts.SearchModels;
using FoodOrdersContracts.StoragesContracts;
using FoodOrdersContracts.ViewModels;
using FoodOrdersDataModels.Enums;
using Microsoft.Extensions.Logging;
namespace FoodOrdersBusinessLogic.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 bool CreateOrder(OrderBindingModel model)
{
CheckModel(model);
if (model.Status != OrderStatus.Неизвестен)
{
_logger.LogWarning("Invalid order status");
return false;
}
model.Status = OrderStatus.Принят;
if (_orderStorage.Insert(model) == null)
{
_logger.LogWarning("Insert operation failed");
return false;
}
return true;
}
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;
}
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.DishId <= 0)
{
throw new ArgumentNullException("Некорректный идентификатор блюда", nameof(model.DishId));
}
if (model.Count <= 0)
{
throw new ArgumentNullException("В заказе должно быть хотя бы одна блюдо", nameof(model.Count));
}
if (model.Sum <= 0)
{
throw new ArgumentNullException("Стоимость заказа должна быть больше 0", nameof(model.Sum));
}
_logger.LogInformation("Order. Id: {Id}. Sum: {Sum}. DishId: {DishId}. DishCount: {Count}", model.Id, model.Sum,
model.DishId, model.Count);
}
private bool ChangeStatus(OrderBindingModel model, OrderStatus newStatus)
{
CheckModel(model, false);
var order = _orderStorage.GetElement(new OrderSearchModel { Id = model.Id } );
if (order == null)
{
_logger.LogWarning("Change status operation failed. Order not found");
return false;
}
if (order.Status + 1 != newStatus)
{
_logger.LogWarning("Change status operation failed. Incorrect new status: {newStatus}. Current status: {currStatus}",
newStatus, order.Status);
return false;
}
model.DishId = order.DishId;
model.Count = order.Count;
model.Sum = order.Sum;
model.DateCreate = order.DateCreate;
model.Status = newStatus;
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;
}
}
}