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