PIbd-21_RazubaevSM_PlumbingRepair_Base/PlumbingRepair/PlumbingRepairBusinessLogic/BusinessLogics/OrderLogic.cs

using PlumbingRepairContracts.BindingModels;
using PlumbingRepairContracts.BusinessLogicsContracts;
using PlumbingRepairContracts.SearchModels;
using PlumbingRepairContracts.ViewModels;
using PlumbingRepairContracts.StoragesContracts;
using PlumbingRepairDataModels.Enums;
using Microsoft.Extensions.Logging;


namespace PlumbingRepairBusinessLogic.BusinessLogics
{
    public class OrderLogic : IOrderLogic
    {
        private readonly ILogger _logger;

        private readonly IOrderStorage _orderStorage;
        private readonly IShopStorage _shopStorage;
        private readonly IWorkStorage _workStorage;
        private readonly IShopLogic _shopLogic;
        public OrderLogic(ILogger<OrderLogic> logger, IOrderStorage orderStorage, IShopStorage shopStorage, IWorkStorage workStorage, IShopLogic shopLogic)
        {
            _logger = logger;
            _orderStorage = orderStorage;
            _shopStorage = shopStorage;
            _workStorage = workStorage;
            _shopLogic = shopLogic;
        }
        public bool CreateOrder(OrderBindingModel model)
        {
            CheckModel(model);
            if (model.Status != OrderStatus.Неизвестен)
            {
                _logger.LogWarning("Invalid order status");
                return false;
            }
            model.Status = OrderStatus.Принят;
            if (_orderStorage.Insert(model) == null)
            {
                _logger.LogWarning("Insert operation failed");
                return false;
            }
            return true;
        }

        public bool DeliveryOrder(OrderBindingModel model)
        {
            return ChangeStatus(model, OrderStatus.Выдан);
        }

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

        public List<OrderViewModel>? ReadList(OrderSearchModel? model)
        {
            _logger.LogInformation("ReadList. Id:{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 ChangeStatus(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");
                return false;
            }
            if (newStatus == OrderStatus.Выдан)
            {
                var work = _workStorage.GetElement(new WorkSearchModel() { Id = viewModel.WorkId});
                if (work == null)
                {
                    _logger.LogWarning("Change status operation failed.Work not found");
                    return false;
                }
                if (!_shopLogic.CheckAndSupply(work, viewModel.Count))
                {
                    _logger.LogWarning("Change status operation failed. Works delivery operation failed");
                    return false;
                }
            }
            model.Status = newStatus;
            if (model.Status == OrderStatus.Готов)
            {
                model.DateImplement = DateTime.Now;
            }
            else
            {
                model.DateImplement = viewModel.DateImplement;
            }
            CheckModel(model, false);
            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.WorkId < 0)
            {
                throw new ArgumentNullException("Некорректный идентификатор работы", nameof(model.WorkId));
            }

            if (model.Count <= 0)
            {
                throw new ArgumentNullException("Количество работ в заказе должно быть больше 0", nameof(model.Count));
            }

            if (model.Sum <= 0)
            {
                throw new ArgumentNullException("Сумма заказа должна быть больше 0", nameof(model.Sum));
            }

            _logger.LogInformation("Order. OrderId:{Id}. Sum:{Sum}. WorkId: {WorkId}", model.Id, model.Sum, model.WorkId);
        }
    }
}