ISEbd-21.Gordeev.I.V.SushiBar.Basic/SushiBar/SushiBarBusinessLogic/BusinessLogics/OrderLogic.cs

using Microsoft.Extensions.Logging;
using SushiBarBusinessLogic.MailWorker;
using SushiBarContracts.BindingModels;
using SushiBarContracts.BusinessLogicsContracts;
using SushiBarContracts.SearchModels;
using SushiBarContracts.StoragesContracts;
using SushiBarContracts.ViewModels;
using SushiBarDataModels.Enums;

namespace SushiBarBusinessLogic.BusinessLogics
{
    public class OrderLogic : IOrderLogic
    {
		private readonly ILogger _logger;
		private readonly IOrderStorage _orderStorage;
		private readonly AbstractMailWorker _mailWorker;
		private readonly IClientLogic _clientLogic;
		public OrderLogic(ILogger<OrderLogic> logger, IOrderStorage orderStorage, AbstractMailWorker mailWorker, IClientLogic clientLogic)
		{
			_logger = logger;
			_orderStorage = orderStorage;
			_mailWorker = mailWorker;
			_clientLogic = clientLogic;
		}
		public List<OrderViewModel>? ReadList(OrderSearchModel? model)
        {
            _logger.LogInformation("ReadList. ClientId:{ClientId}.Status:{Status}.ImplementerId:{ImplementerId}.DateFrom:{DateFrom}.DateTo:{DateTo}OrderId:{Id}",
                model?.ClientId, model?.Status, model?.ImplementerId, model?.DateFrom, model?.DateTo, 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;
            var element = _orderStorage.Insert(model);
            if (element == null)
            {
                _logger.LogWarning("Insert operation failed");
                return false;
            }
            Task.Run(() => _mailWorker.MailSendAsync(new MailSendInfoBindingModel
            {
                MailAddress = element.ClientEmail,
                Subject = $"Изменение статуса заказа номер {element.Id}",
                Text = $"Ваш заказ номер {element.Id} на суши {element.SushiName} от {element.DateCreate} на сумму {element.Sum} принят."
            }));
			SendOrderStatusMail(element.ClientId, $"Новый заказ создан. Номер заказа #{element.Id}", $"Заказ #{element.Id} от {element.DateCreate} на сумму {element.Sum:0.00} принят");
			return true;
        }

        public bool TakeOrderInWork(OrderBindingModel model)
        {
			return StatusUpdate(model, OrderStatus.Выполняется);
		}

        public bool FinishOrder(OrderBindingModel model)
        {
            return StatusUpdate(model, OrderStatus.Готов);
        }

        public bool DeliveryOrder(OrderBindingModel model)
        {
            return StatusUpdate(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 StatusUpdate(OrderBindingModel model, OrderStatus newStatus)
		{
			var viewModel = _orderStorage.GetElement(new OrderSearchModel { Id = model.Id });
			if (viewModel == null)
			{
				throw new ArgumentNullException(nameof(model));
			}
			if (viewModel.Status + 1 != newStatus)
			{
				_logger.LogWarning("Change status operation failed");
				throw new InvalidOperationException();
			}
			model.Status = newStatus;
			if (model.Status == OrderStatus.Готов)
			{
				model.DateImplement = DateTime.Now;
			}
			else
			{
				model.DateImplement = viewModel.DateImplement;
			}
			if (viewModel.ImplementerId.HasValue)
			{
				model.ImplementerId = viewModel.ImplementerId.Value;
			}
			CheckModel(model, false);
			var result = _orderStorage.Update(model);
			if (result == null)
			{
				_logger.LogWarning("Update operation failed");
				return false;
			}
			SendOrderStatusMail(result.ClientId, $"Изменен статус заказа #{result.Id}", $"Заказ #{model.Id} изменен статус на {result.Status}");
			return true;
		}

		public OrderViewModel? ReadElement(OrderSearchModel model)
        {
            if (model == null)
            {
                throw new ArgumentNullException(nameof(model));
            }
            _logger.LogInformation("ReadElement. ClientId:{ClientId}.Status:{Status}.ImplementerId:{ImplementerId}.DateFrom:{DateFrom}.DateTo:{DateTo}OrderId:{Id}",
                model.ClientId, model.Status, model.ImplementerId, model.DateFrom, model.DateTo, model.Id);
            var element = _orderStorage.GetElement(model);
            if (element == null)
            {
                _logger.LogWarning("ReadElement element not found");
                return null;
            }
            _logger.LogInformation("ReadElement find. Id:{Id}", element.Id);
            return element;
        }
		private bool SendOrderStatusMail(int clientId, string subject, string text)
		{
			var client = _clientLogic.ReadElement(new() { Id = clientId });
			if (client == null)
			{
				return false;
			}
			_mailWorker.MailSendAsync(new()
			{
				MailAddress = client.Email,
				Subject = subject,
				Text = text
			});
			return true;
		}
	}
}