PIbd-23-Salin-O.A.-IceCream.../IceCreamShop/IceCreamShopBusinessLogic/BusinessLogic/OrderLogic.cs
2024-05-08 11:38:37 +04:00

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7.7 KiB
C#
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using IceCreamShopContracts.BindingModels;
using IceCreamShopContracts.BusinessLogicsContracts;
using IceCreamShopContracts.SearchModels;
using IceCreamShopContracts.StoragesContracts;
using IceCreamShopContracts.ViewModels;
using IceCreamShopDataModels;
using IceCreamShopDataModels.Enums;
using IceCreamShopDataModels.Models;
using Microsoft.Extensions.Logging;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace IceCreamShopBusinessLogic.BusinessLogic
{
public class OrderLogic : IOrderLogic
{
private readonly ILogger _logger;
private readonly IOrderStorage _orderStorage;
private readonly IShopStorage _shopStorage;
private readonly IShopLogic _shopLogic;
private readonly IIceCreamStorage _iceCreamStorage;
static readonly object locker = new object();
public OrderLogic(IOrderStorage orderStorage, IShopStorage shopStorage, IShopLogic shopLogic, IIceCreamStorage iceCreamStorage, ILogger<OrderLogic> logger)
{
_orderStorage = orderStorage;
_shopStorage = shopStorage;
_logger = logger;
_shopLogic = shopLogic;
_iceCreamStorage = iceCreamStorage;
}
public OrderViewModel? ReadElement(OrderSearchModel model)
{
if (model == null)
{
throw new ArgumentNullException(nameof(model));
}
_logger.LogInformation("ReadElement. Id:{ Id}", 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;
}
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 CreateOrder(OrderBindingModel model)
{
CheckModel(model);
if (model.Status != OrderStatus.Неизвестен) return false;
model.Status = OrderStatus.Принят;
if (_orderStorage.Insert(model) == null)
{
_logger.LogWarning("Insert operation failed");
return false;
}
return true;
}
public bool CheckSupply(IIceCreamModel iceCream, int count)
{
if (count <= 0)
{
_logger.LogWarning("Check then supply operation error. IceCream count < 0.");
return false;
}
int sumCapacity = 0;
int sumCount = 0;
sumCapacity = _shopStorage.GetFullList().Select(x => x.MaxCapacity).Sum();
sumCount = _shopStorage.GetFullList().Select(x => x.ShopIceCreams.Select(y => y.Value.Item2).Sum()).Sum();
int freeSpace = sumCapacity - sumCount;
if (freeSpace - count < 0)
{
_logger.LogWarning("Check then supply operation error. There's no place for new IceCream in shops.");
return false;
}
foreach (var shop in _shopStorage.GetFullList())
{
freeSpace = shop.MaxCapacity;
foreach (var doc in shop.ShopIceCreams)
{
freeSpace -= doc.Value.Item2;
}
if (freeSpace == 0)
{
continue;
}
if (freeSpace - count >= 0)
{
if (_shopLogic.MakeSupply(new() { Id = shop.Id }, iceCream, count))
count = 0;
else
{
_logger.LogWarning("Supply error");
return false;
}
}
if (freeSpace - count < 0)
{
if (_shopLogic.MakeSupply(new() { Id = shop.Id }, iceCream, freeSpace))
count -= freeSpace;
else
{
_logger.LogWarning("Supply error");
return false;
}
}
if (count <= 0)
{
return true;
}
}
return false;
}
public bool ChangeStatus(OrderBindingModel model, OrderStatus status)
{
CheckModel(model, false);
var element = _orderStorage.GetElement(new OrderSearchModel { Id = model.Id });
if (element == null)
{
_logger.LogWarning("Read operation failed");
return false;
}
if (element.Status != status - 1 && status != OrderStatus.Ожидается)
{
_logger.LogWarning("Status change operation failed");
throw new InvalidOperationException("Текущий статус заказа не может быть переведен в выбранный");
}
if(element.Status == OrderStatus.Выполняется)
{
var icecream = _iceCreamStorage.GetElement(new IceCreamSearchModel() { Id = model.IceCreamId });
if (icecream == null)
{
_logger.LogWarning("Status update to " + status.ToString() + " operation failed. Document not found.");
return false;
}
if (CheckSupply(icecream, model.Count) == false)
{
model.Status = OrderStatus.Ожидается;
_orderStorage.Update(model);
return false;
}
}
model.Status = status;
if (model.Status == OrderStatus.Выдан) model.DateImplement = DateTime.Now;
if (element.ImplementerId.HasValue)
model.ImplementerId = element.ImplementerId;
_orderStorage.Update(model);
return true;
}
public bool TakeOrderInWork(OrderBindingModel model)
{
lock (locker)
{
return ChangeStatus(model, OrderStatus.Выполняется);
}
}
public bool FinishOrder(OrderBindingModel model)
{
lock (locker)
{
return ChangeStatus(model, OrderStatus.Готов);
}
}
public bool TakeOrderInWaiting(OrderBindingModel model)
{
return ChangeStatus(model, OrderStatus.Ожидается);
}
public bool DeliveryOrder(OrderBindingModel model)
{
return ChangeStatus(model, OrderStatus.Выдан);
}
private void CheckModel(OrderBindingModel model, bool withParams =
true)
{
if (model == null)
{
throw new ArgumentNullException(nameof(model));
}
if (!withParams)
{
return;
}
if (model.Sum <= 0)
{
throw new ArgumentNullException("Цена заказа должна быть больше 0", nameof(model.Sum));
}
if (model.Count <= 0)
{
throw new ArgumentNullException("Количество элементов в заказе должно быть больше 0", nameof(model.Count));
}
_logger.LogInformation("Order. Sum:{ Cost}. Id: { Id}", model.Sum, model.Id);
}
}
}