243 lines
8.5 KiB
C#
243 lines
8.5 KiB
C#
using FlowerShopBusinessLogic.MailWorker;
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using FlowerShopContracts.BindingModels;
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using FlowerShopContracts.BusinessLogicsContracts;
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using FlowerShopContracts.SearchModels;
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using FlowerShopContracts.StoragesContracts;
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using FlowerShopContracts.ViewModels;
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using FlowerShopDataModels.Enums;
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using FlowerShopDataModels.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 FlowerShopBusinessLogic.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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private readonly IShopStorage _shopStorage;
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private readonly IShopLogic _shopLogic;
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private readonly IFlowerStorage _flowerStorage;
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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(IOrderStorage orderStorage, IShopStorage shopStorage, IShopLogic shopLogic, IFlowerStorage flowerStorage, ILogger<OrderLogic> logger, AbstractMailWorker mailWorker, IClientLogic clientLogic)
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{
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_orderStorage = orderStorage;
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_shopStorage = shopStorage;
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_logger = logger;
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_shopLogic = shopLogic;
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_flowerStorage = flowerStorage;
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_mailWorker = mailWorker;
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_clientLogic = clientLogic;
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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 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() :
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_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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var res = _orderStorage.Insert(model);
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if (res == 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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SendOrderStatusMail(model.ClientId, $"Изменен статус заказа #{res.Id}", $"Заказ #{res.Id} изменен статус на {model.Status}");
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return true;
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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.Готов )))
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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.Status == OrderStatus.Готов || element.Status == OrderStatus.Ожидает)
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{
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var flower = _flowerStorage.GetElement(new FlowerSearchModel() { Id = element.FlowerId });
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if (flower == null)
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{
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_logger.LogWarning("Status update to " + status.ToString() + " operation failed. Document not found.");
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return false;
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}
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if (CheckSupply(flower, element.Count) == false)
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{
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_logger.LogWarning("Status update to " + status.ToString() + " operation failed. Shop supply error.");
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status = OrderStatus.Ожидает;
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}
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}
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model.Status = status;
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if (model.Status == OrderStatus.Выдан) model.DateImplement = DateTime.Now;
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if (element.ImplementerId.HasValue)
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model.ImplementerId = element.ImplementerId;
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var result = _orderStorage.Update(model);
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if (result == null)
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{
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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, $"Изменен статус заказа #{result.Id}", $"Заказ #{model.Id} изменен статус на {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.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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public bool CheckSupply(IFlowerModel flower, 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. Flowers count < 0.");
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return false;
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}
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int sumCapacity = 0;
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int sumCount = 0;
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sumCapacity = _shopStorage.GetFullList().Select(x => x.MaxCapacity).Sum();
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sumCount = _shopStorage.GetFullList().Select(x => x.ShopFlowers.Select(y => y.Value.Item2).Sum()).Sum();
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int freeSpace = sumCapacity - sumCount;
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if (freeSpace - count < 0)
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{
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_logger.LogWarning("Check then supply operation error. There's no place for new Flowers 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.MaxCapacity;
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foreach (var doc in shop.ShopFlowers)
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{
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freeSpace -= doc.Value.Item2;
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}
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if (freeSpace == 0)
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{
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continue;
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}
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if (freeSpace - count >= 0)
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{
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if (_shopLogic.MakeSupply(new() { Id = shop.Id }, flower, 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 < 0)
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{
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if (_shopLogic.MakeSupply(new() { Id = shop.Id }, flower, 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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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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