269 lines
9.7 KiB
C#
269 lines
9.7 KiB
C#
using AutomobilePlantBusinessLogic.MailWorker;
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using AutomobilePlantContracts.BindingModels;
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using AutomobilePlantContracts.BusinessLogicsContracts;
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using AutomobilePlantContracts.SearchModels;
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using AutomobilePlantContracts.StoragesContracts;
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using AutomobilePlantContracts.ViewModels;
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using AutomobilePlantDataModels.Enums;
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using AutomobilePlantDataModels.Models;
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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 AutomobilePlantBusinessLogic.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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private readonly IShopStorage _shopStorage;
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private readonly IShopLogic _shopLogic;
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private readonly ICarStorage _carStorage;
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private readonly AbstractMailWorker _mailWorker;
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private readonly IClientLogic _clientLogic;
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static readonly object locker = new object();
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public OrderLogic(ILogger<OrderLogic> logger, IOrderStorage orderStorage, AbstractMailWorker mailWorker, IClientLogic clientLogic, IShopLogic shopLogic, ICarStorage carStorage, IShopStorage shopStorage)
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{
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_logger = logger;
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_orderStorage = orderStorage;
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_mailWorker = mailWorker;
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_clientLogic = clientLogic;
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_shopLogic = shopLogic;
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_carStorage = carStorage;
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_shopStorage = shopStorage;
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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 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 element = _orderStorage.GetElement(model);
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if (element == 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 find. Id:{Id}", element.Id);
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return element;
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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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var result = _orderStorage.Insert(model);
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if (result == 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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SendOrderStatusMail(result.ClientId, $"A new order has been created. Order number #{result.Id}", $"Order #{result.Id} from {result.DateCreate} for the amount {result.Sum:0.00} {result.Status}");
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return true;
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}
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public bool CheckThenSupplyMany(ICarModel car, int count)
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{
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if (count <= 0)
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{
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_logger.LogWarning("Check then supply operation error. Car count < 0.");
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return false;
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}
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int freeSpace = 0;
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foreach (var shop in _shopStorage.GetFullList())
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{
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freeSpace += shop.MaxCountCars;
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foreach (var c in shop.ShopCars)
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{
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freeSpace -= c.Value.Item2;
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}
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}
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if (freeSpace < count)
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{
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_logger.LogWarning("Check then supply operation error. There's no place for new cars in shops.");
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return false;
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}
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foreach (var shop in _shopStorage.GetFullList())
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{
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freeSpace = shop.MaxCountCars;
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foreach (var c in shop.ShopCars)
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freeSpace -= c.Value.Item2;
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if (freeSpace <= 0)
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continue;
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if (freeSpace >= count)
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{
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if (_shopLogic.SupplyCars(new ShopSearchModel() { Id = shop.Id }, car, count))
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count = 0;
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else
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{
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_logger.LogWarning("Supply error");
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return false;
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}
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}
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if (freeSpace < count)
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{
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if (_shopLogic.SupplyCars(new ShopSearchModel() { Id = shop.Id }, car, freeSpace))
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count -= freeSpace;
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else
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{
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_logger.LogWarning("Supply error");
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return false;
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}
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}
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if (count <= 0)
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{
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return true;
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}
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}
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return false;
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}
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public bool ChangeStatus(OrderBindingModel model, OrderStatus status)
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{
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CheckModel(model, false);
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var element = _orderStorage.GetElement(new OrderSearchModel { Id = model.Id });
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if (element == null)
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{
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_logger.LogWarning("Read operation failed");
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return false;
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}
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if (element.Status != status - 1 && element.Status != OrderStatus.Ожидание)
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{
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_logger.LogWarning("Status change operation failed");
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throw new InvalidOperationException("Текущий статус заказа не может быть переведен в выбранный");
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}
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if (element.ImplementerId.HasValue)
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model.ImplementerId = element.ImplementerId;
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if (model.CarId == 0)
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model.CarId = element.CarId;
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if (model.Count == 0)
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model.Count = element.Count;
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if (status == OrderStatus.Выдан)
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{
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var car = _carStorage.GetElement(new CarSearchModel() { Id = model.CarId });
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if (car == null)
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{
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_logger.LogWarning("Status change operation failed. Car not found.");
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return false;
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}
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if (!CheckThenSupplyMany(car, model.Count))
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{
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_logger.LogWarning("Status change operation failed. Shop supply error.");
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model.Status = OrderStatus.Ожидание;
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if (_orderStorage.Update(model) == null)
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_logger.LogWarning("Update operation failed");
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return false;
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}
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}
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model.Status = status;
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if (model.Status == OrderStatus.Выдан)
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model.DateImplement = DateTime.Now;
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var result = _orderStorage.Update(model);
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if (result == null)
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{
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model.Status = oldStatus;
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_logger.LogWarning("Update operation failed");
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return false;
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}
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SendOrderStatusMail(result.ClientId, $"Status of order #{result.Id} has been changed", $"Order #{result.Id} status has been changed to {result.Status}");
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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 (locker)
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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 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.CarId < 0)
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{
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throw new ArgumentNullException("Некорректный идентификатор машин", nameof(model.CarId));
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}
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if (model.Count <= 0)
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{
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throw new ArgumentNullException("Количество машин в заказе 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.Count <= 0)
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{
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throw new ArgumentNullException("Количество элементов в заказе должно быть больше 0", nameof(model.Count));
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}
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_logger.LogInformation("Order. Sum:{ Cost}. Id: { Id}", model.Sum, model.Id);
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}
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private bool SendOrderStatusMail(int clientId, string subject, string text)
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{
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var client = _clientLogic.ReadElement(new() { Id = clientId });
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if (client == null)
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{
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return false;
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}
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_mailWorker.MailSendAsync(new()
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{
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MailAddress = client.Email,
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Subject = subject,
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Text = text
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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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