130 lines
4.6 KiB
C#
130 lines
4.6 KiB
C#
using IceCreamShopContracts.BindingModels;
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using IceCreamShopContracts.BusinessLogicsContracts;
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using IceCreamShopContracts.SearchModels;
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using IceCreamShopContracts.StoragesContracts;
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using IceCreamShopContracts.ViewModels;
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using IceCreamShopDataModels.Enums;
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using Microsoft.Extensions.Logging;
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namespace IceCreamShopBusinessLogic.BusinessLogics
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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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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 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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{
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_logger.LogWarning("Invalid order status");
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return false;
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}
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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 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 TakeOrderInWork(OrderBindingModel model)
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{
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return ChangeStatus(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 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 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.IceCreamId <= 0)
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{
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throw new ArgumentNullException("Некорректный идентификатор мороженого", nameof(model.IceCreamId));
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}
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if (model.Count <= 0)
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{
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throw new ArgumentNullException("В заказе должно быть хотя бы одно мороженое", 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("Стоимость заказа должна быть больше 0", nameof(model.Sum));
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}
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_logger.LogInformation("Order. Id: {Id}. Sum: {Sum}. IceCreamId: {IceCreamId}. IceCreamCount: {Count}", model.Id, model.Sum,
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model.IceCreamId, model.Count);
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}
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private bool ChangeStatus(OrderBindingModel model, OrderStatus newStatus)
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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 == 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 != newStatus)
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{
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_logger.LogWarning("Change status operation failed. Incorrect new status: {newStatus}. Current status: {currStatus}",
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newStatus, order.Status);
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return false;
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}
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model.IceCreamId = order.IceCreamId;
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model.Count = order.Count;
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model.Sum = order.Sum;
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model.DateCreate = order.DateCreate;
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model.Status = newStatus;
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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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} 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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}
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}
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