SushiBarBase/SushiBar/SushiBarBusinessLogic/BusinessLogics/ShopLogic.cs

using Microsoft.Extensions.Logging;
using SushiBarContracts.BindingModels;
using SushiBarContracts.BusinessLogicsContracts;
using SushiBarContracts.SearchModels;
using SushiBarContracts.StoragesContracts;
using SushiBarContracts.ViewModels;

namespace SushiBarBusinessLogic.BusinessLogics
{
    public class ShopLogic : IShopLogic
    {
        private readonly ILogger _logger;
        private readonly IShopStorage _shopStorage;
        public ShopLogic(ILogger<ShopLogic> logger, IShopStorage shopStorage)
        {
            _logger = logger;
            _shopStorage = shopStorage;
        }
        public List<ShopViewModel>? ReadList(ShopSearchModel? model)
        {
            _logger.LogInformation("ReadList. ShopName:{ShopName}. Id:{ Id}", model?.ShopName, model?.Id);
            var list = model == null ? _shopStorage.GetFullList() :
                _shopStorage.GetFilteredList(model);
            if (list == null)
            {
                _logger.LogWarning("ReadList return null list");
                return null;
            }
            _logger.LogInformation("ReadList. Count:{Count}", list.Count);
            return list;
        }
        public ShopViewModel? ReadElement(ShopSearchModel? model)
        {
            if (model == null)
            {
                throw new ArgumentNullException(nameof(model));
            }
            _logger.LogInformation("ReadElement. ShopName:{ShopName}. Id:{ Id}", model.ShopName, model.Id);
            var element = _shopStorage.GetElement(model);
            if (element == null)
            {
                _logger.LogWarning("ReadElement element not found");
                return null;
            }
            return element;
        }
        public bool Create(ShopBindingModel model)
        {
            CheckModel(model);
            if (_shopStorage.Insert(model) == null)
            {
                _logger.LogWarning("Insert operation failed");
                return false;
            }
            return true;
        }
        public bool Update(ShopBindingModel model)
        {
            CheckModel(model);
            if (_shopStorage.Update(model) == null)
            {
                _logger.LogWarning("Update operation failed");
                return false;
            }
            return true;
        }
        public bool Delete(ShopBindingModel model)
        {
            CheckModel(model, false);
            _logger.LogInformation("Delete. Id:{Id}", model.Id);
            if (_shopStorage.Delete(model) == null)
            {
                _logger.LogWarning("Delete operation failed");
                return false;
            }
            return true;
        }

        private void CheckModel(ShopBindingModel model, bool withParams = true)
        {
            if (model == null)
            {
                throw new ArgumentNullException(nameof(model));
            }
            if (!withParams)
            {
                return;
            }
            if (string.IsNullOrEmpty(model.ShopName))
            {
                throw new ArgumentException("Нет названия магазина", nameof(model.ShopName));
            }
            if (string.IsNullOrEmpty(model.Address))
            {
                throw new ArgumentNullException("Нет адресса магазина", nameof(model.ShopName));
            }
            _logger.LogTrace("Shop. ShopName:{ShopName}.Address:{Address}. DateCreate:{DateCreate}. Id: { Id}", model.ShopName, model.Address, model.DateCreate, model.Id);
            var element = _shopStorage.GetElement(new ShopSearchModel
            {
                ShopName = model.ShopName
            });
            if (element != null && element.Id != model.Id)
            {
                throw new InvalidOperationException("Магазин с таким названием уже есть");
            }
        }
        public bool MakeSupply(ShopSearchModel model, SushiBindingModel sushi, int count)
        {
            if (model == null)
            {
                throw new ArgumentNullException(nameof(model));
            }
            if (sushi == null){
                throw new ArgumentNullException(nameof(sushi));
            }
            ShopViewModel? shop = _shopStorage.GetElement(new ShopSearchModel { Id = model.Id });
            if (shop == null)
            {
                throw new ArgumentNullException(nameof(shop));
            }
            if (shop.ShopSushi.TryGetValue(sushi.Id, out var pair))
            {
                shop.ShopSushi[sushi.Id] = (pair.Item1, pair.Item2 + count);
            }
            else
            {
                shop.ShopSushi.Add(sushi.Id, (sushi, count));
            }
            Update(new()
            {
                Id = shop.Id,
                ShopName = shop.ShopName,
                DateCreate = shop.DateCreate,
                Address = shop.Address,
                ShopSushi = shop.ShopSushi
            });
            return true;
        }
    }
}