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