PIBD-21_Lobashov_I_D_Travel.../TravelCompany/TravelCompanyBusinessLogic/BusinessLogic/OrderLogic.cs

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using TravelCompanyContracts.BindingModels;
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using TravelCompanyContracts.BusinessLogicsContracts;
using TravelCompanyContracts.SearchModels;
using TravelCompanyContracts.StoragesContracts;
using TravelCompanyContracts.ViewModels;
using TravelCompanyDataModels.Enums;
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using Microsoft.Extensions.Logging;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
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namespace TravelCompanyBusinessLogic.BusinessLogic
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{
public class OrderLogic : IOrderLogic
{
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//Класс с логикой для заказов будет отвечать за получение списка заказов,
//создания заказа и смены его статусов. Следует учитывать, что у заказа можно
//менять статус на новый, если его текущий статус предшествует новому
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private readonly ILogger _logger;
private readonly IOrderStorage _orderStorage;
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private readonly IShopStorage _shopStorage;
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public OrderLogic(ILogger<OrderLogic> logger, IOrderStorage orderStorage, IShopStorage shopStorage)
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{
_logger = logger;
_orderStorage = orderStorage;
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_shopStorage = shopStorage;
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}
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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;
}
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public bool CreateOrder(OrderBindingModel model)
{
CheckModel(model);
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if (model.Status != OrderStatus.Неизвестен)
return false;
model.Status = OrderStatus.Принят;
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if (_orderStorage.Insert(model) == null)
{
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model.Status = OrderStatus.Неизвестен;
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_logger.LogWarning("Insert operation failed");
return false;
}
return true;
}
public bool TakeOrderInWork(OrderBindingModel model)
{
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return ToNextStatus(model, OrderStatus.Выполняется);
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}
public bool FinishOrder(OrderBindingModel model)
{
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return ToNextStatus(model, OrderStatus.Готов);
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}
public bool DeliveryOrder(OrderBindingModel model)
{
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var order = _orderStorage.GetElement(new OrderSearchModel
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{
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Id = model.Id,
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});
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if (order == null)
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{
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throw new ArgumentNullException(nameof(order));
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}
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if (!_shopStorage.RestockingShops(new SupplyBindingModel
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{
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TravelId = order.TravelId,
Count = order.Count
}))
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{
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throw new ArgumentException("Недостаточно места");
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}
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return ToNextStatus(model, OrderStatus.Выдан);
}
public bool ToNextStatus(OrderBindingModel model, OrderStatus orderStatus)
{
CheckModel(model, false);
var element = _orderStorage.GetElement(new OrderSearchModel()
{
Id = model.Id
});
if (element == null)
{
throw new ArgumentNullException(nameof(element));
}
model.TravelId = element.TravelId;
model.DateCreate = element.DateCreate;
model.DateImplement = element.DateImplement;
model.Status = element.Status;
model.Count = element.Count;
model.Sum = element.Sum;
if (model.Status != orderStatus - 1)
{
_logger.LogWarning("Status update to " + orderStatus + " operation failed");
return false;
}
model.Status = orderStatus;
if (model.Status == OrderStatus.Выдан)
{
model.DateImplement = DateTime.Now;
}
if (_orderStorage.Update(model) == null)
{
model.Status--;
_logger.LogWarning("Changing status operation faled");
return false;
}
return true;
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}
private void CheckModel(OrderBindingModel model, bool withParams = true)
{
if (model == null)
{
throw new ArgumentNullException(nameof(model));
}
if (!withParams)
{
return;
}
if (model.Count <= 0)
{
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throw new ArgumentNullException("Количество изделий должно быть больше 0", nameof(model.Count));
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}
if (model.Sum <= 0)
{
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throw new ArgumentNullException("Цена заказа должна быть больше 0", nameof(model.Sum));
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}
if (model.DateImplement.HasValue && model.DateImplement < model.DateCreate)
{
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throw new ArithmeticException($"Дата выдачи заказа {model.DateImplement} должна быть позже даты его создания {model.DateCreate}");
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}
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_logger.LogInformation("Travel. TravelId:{TravelId}.Count:{Count}.Sum:{Sum}Id:{Id}", model.TravelId, model.Count, model.Sum, model.Id);
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}
}
}