ISEbd-22_Baygulov_A.A._Sush.../SushiBar/SushiBarBusinessLogic/OrderLogic.cs

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using Microsoft.Extensions.Logging;
using SushiBarContracts.BindingModels;
using SushiBarContracts.BusinessLogicsContracts;
using SushiBarContracts.SearchModels;
using SushiBarContracts.StoragesContracts;
using SushiBarContracts.ViewModels;
using SushiBarDataModels.Enums;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace SushiBarBusinessLogic.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. 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 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)
{
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.Count <= 0)
{
throw new ArgumentException("Колличество суши в заказе не может быть меньше 1", nameof(model.Count));
}
if (model.Sum <= 0)
{
throw new ArgumentException("Стоимость заказа на может быть меньше 1", nameof(model.Sum));
}
if (model.DateImplement.HasValue && model.DateImplement < model.DateCreate)
{
throw new ArithmeticException($"Дата выдачи заказа {model.DateImplement} не может быть раньше даты его создания {model.DateCreate}");
}
_logger.LogInformation("Sushi. SushiId:{SushiId}.Count:{Count}.Sum:{Sum}Id:{Id}",
model.SushiId, model.Count, model.Sum, model.Id);
}
private bool ChangeStatus(OrderBindingModel model, OrderStatus requiredStatus)
{
CheckModel(model, false);
var element = _orderStorage.GetElement(new OrderSearchModel()
{
Id = model.Id
});
if (element == null)
{
throw new ArgumentNullException(nameof(element));
}
model.DateCreate = element.DateCreate;
model.SushiId = element.SushiId;
model.DateImplement = element.DateImplement;
model.Status = element.Status;
model.Count = element.Count;
model.Sum = element.Sum;
if (requiredStatus - model.Status == 1)
{
model.Status = requiredStatus;
if (model.Status == OrderStatus.Выдан)
model.DateImplement = DateTime.Now;
if (_orderStorage.Update(model) == null)
{
_logger.LogWarning("Update operation failed");
return false;
}
return true;
}
_logger.LogWarning("Changing status operation faled: Current-{Status}:required-{requiredStatus}.", model.Status, requiredStatus);
throw new ArgumentException($"Невозможно присвоить статус {requiredStatus} заказу с текущим статусом {model.Status}");
}
}
}