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 logger, IOrderStorage orderStorage) { _logger = logger; _orderStorage = orderStorage; } public List? 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 пиццы 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}"); } } }