PIbd-22_Katysheva_N.E._Pizzeria/Pizzeria/PizzeriaBusinessLogic/BusinessLogic/OrderLogic.cs

using Microsoft.Extensions.Logging;
using PizzeriaContracts.BindingModels;
using PizzeriaContracts.BusinessLogicsContracts;
using PizzeriaContracts.SearchModels;
using PizzeriaContracts.StorageContracts;
using PizzeriaContracts.ViewModels;
using PizzeriaDataModels.Enums;
using System.Xml.Linq;

namespace PizzeriaBusinessLogic.BusinessLogic
{
    public class OrderLogic : IOrderLogic
    {
        private readonly ILogger _logger;

        private readonly IOrderStorage _orderStorage;

        public OrderLogic(ILogger<OrderLogic> logger, IOrderStorage orderStorage)
        {
            _logger = logger;
            _orderStorage = orderStorage;
        }

        public bool CreateOrder(OrderBindingModel model)
        {
            
            CheckModel(model);

            if (model.Status == OrderStatus.Неизвестен)
            {
                _logger.LogWarning("Order status unknown");
                return false;
            }
            model.Status = OrderStatus.Принят;
            if (_orderStorage.Insert(model) == null)
            {
                _logger.LogWarning("Insert operation failed");
                return false;
            }
            return true;
        }
        public List<OrderViewModel>? 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 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);
        }
        public bool ChangeStatus(OrderBindingModel model, OrderStatus status)
        {
            /*Неизвестен = -1,
             Принят = 0,
             Выполняется = 1,
             Готов = 2,
             Выдан = 3*/

            CheckModel(model, false);

            var order = _orderStorage.GetElement(new OrderSearchModel { 
                Id = model.Id
            });

            if (order == null)
            {
                throw new ArgumentNullException(nameof(order));
            }

            model.ProductId = order.ProductId;
            model.DateCreate = order.DateCreate;
            model.DateImplement = order.DateImplement;
            model.Status = order.Status;
            model.Count = order.Count;
            model.Sum = order.Sum;
            return true;
            /*

            if (model.Status != status - 1)
            {
                _logger.LogWarning("Status update to " + status + " operation failed");
                return false;
            }

            model.Status = status;

            if (model.Status == OrderStatus.Выдан)
            {
                model.DateImplement = DateTime.Now;
            }

            if (_orderStorage.Update(model) == null)
            {
                model.Status--;
                _logger.LogWarning("Changing status operation faled");
                return false;
            }
            */

            /*

            if (model.Status == OrderStatus.Готов)
            {
                model.DateImplement = DateTime.Now;
            }
            else
            {
                model.DateImplement = order.DateImplement;
            }
            if (_orderStorage.Update(model) == null)
            {
                _logger.LogWarning("Change status operation failed");
                return false;
            }
            return true;
            */
        }
        private void CheckModel(OrderBindingModel model, bool withParams = true)
        {
            if (model == null)
            {
                throw new ArgumentNullException(nameof(model));
            }
            if (!withParams)
            {
                return;
            }
            if (model.ProductId <= 0)
            {
                throw new ArgumentNullException("Некорректный идентификатор изделия", nameof(model.ProductId));
            }
            if (model.Count <= 0)
            {
                throw new ArgumentNullException("В заказе должно быть хотя бы одно изделие", nameof(model.Count));
            }
            if (model.Sum <= 0)
            {
                throw new ArgumentNullException("Стоимость заказа должна быть больше 0", nameof(model.Sum));
            }
            _logger.LogInformation("Order. Id: {Id}. Sum: {Sum}. ProductId: {ProductId}. ReinforcedCount: {Count}", model.Id, model.Sum, model.ProductId, model.Count);
        }

       
        
    }
}